From Northern Realms@1:229/664 to All on Mon May 18 15:35:00 2026
FPCN11 CWTO 181930
Forecasts for Southern Ontario and the National Capital Region issued
by Environment Canada at 3:30 p.m. EDT Monday 18 May 2026 for tonight
Tuesday and Tuesday night.
The next scheduled forecast will be issued at 5:00 a.m. EDT Tuesday.
City of Toronto.
Tonight..Clear. Increasing cloudiness this evening then 40 percent
chance of showers late this evening and overnight. Risk of a
thunderstorm late this evening. Fog patches developing overnight.
Wind southwest 30 km/h gusting to 50 becoming light overnight.
Low 18.
Tuesday..Mainly cloudy. 30 percent chance of showers late in the
morning and in the afternoon. Risk of a thunderstorm late in the
afternoon. Fog patches dissipating in the morning. Wind becoming
west 30 km/h gusting to 50 in the morning. High 29. Humidex 34. UV
index 9 or very high.
Tuesday night..Mainly cloudy with 60 percent chance of showers. Risk
of a thunderstorm in the evening. Wind southwest 20 km/h gusting to
40 becoming light late in the evening. Wind becoming northwest 20
gusting to 40 overnight. Low 10.
Windsor - Leamington - Essex County.
Tonight..Partly cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Wind southwest 40 km/h gusting to 60
diminishing to 20 gusting to 40 this evening then becoming light
late this evening. Low 20.
Tuesday..Becoming cloudy in the morning with 30 percent chance of
showers late in the morning and early afternoon. Showers beginning
in the afternoon. Risk of a thunderstorm late in the afternoon. Wind
becoming southwest 20 km/h gusting to 40 then increasing to 40
gusting to 60 late in the morning. High 30. Humidex 38. UV index 6
or high.
Tuesday night..Showers ending near midnight then cloudy with
40 percent chance of showers. Risk of a thunderstorm in the evening.
Wind southwest 20 km/h gusting to 40 becoming light near midnight.
Wind becoming north 20 gusting to 40 after midnight. Low 12.
Chatham-Kent - Rondeau Park.
Tonight..Mainly cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Wind southwest 40 km/h gusting to 60
diminishing to 20 gusting to 40 this evening then becoming light
late this evening. Low 19.
Tuesday..Becoming cloudy in the morning with 30 percent chance of
showers late in the morning and early afternoon. Showers beginning
in the afternoon. Risk of a thunderstorm late in the afternoon. Wind
becoming southwest 20 km/h gusting to 40 then increasing to 40
gusting to 60 late in the morning. High 30. Humidex 38. UV index 6
or high.
Tuesday night..Showers ending near midnight then cloudy with
40 percent chance of showers. Risk of a thunderstorm in the evening.
Wind southwest 20 km/h gusting to 40 becoming light near midnight.
Wind becoming north 20 gusting to 40 after midnight. Low 9.
Sarnia - Petrolia - Western Lambton County.
Tonight..Mainly cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Wind southwest 40 km/h gusting to 60
diminishing to 20 gusting to 40 this evening then becoming light
late this evening. Low 18.
Tuesday..Mainly cloudy with 30 percent chance of showers late in the
morning and early afternoon. Showers beginning in the afternoon.
Risk of a thunderstorm late in the afternoon. Wind becoming south
20 km/h gusting to 40 then southwest 40 gusting to 60 late in the
morning. High 30. Humidex 36. UV index 6 or high.
Tuesday night..Showers ending near midnight then cloudy with
40 percent chance of showers. Risk of a thunderstorm in the evening.
Wind southwest 20 km/h gusting to 40 becoming light near midnight.
Wind becoming north 20 gusting to 40 after midnight. Low 9.
Watford - Pinery Park - Eastern Lambton County.
Tonight..Partly cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Wind southwest 40 km/h gusting to 60
diminishing to 20 gusting to 40 this evening then becoming light
late this evening. Low 19.
Tuesday..Becoming cloudy in the morning with 30 percent chance of
showers late in the morning and early afternoon. Showers beginning
in the afternoon. Risk of a thunderstorm late in the afternoon. Wind
becoming south 20 km/h gusting to 40 then southwest 40 gusting to 60
late in the morning. High 30. Humidex 38. UV index 6 or high.
Tuesday night..Showers ending near midnight then cloudy with
40 percent chance of showers. Risk of a thunderstorm in the evening.
Wind southwest 20 km/h gusting to 40 becoming light near midnight.
Wind becoming north 20 gusting to 40 after midnight. Low 8.
Rodney - Shedden - Western Elgin County.
Tonight..Mainly cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Wind southwest 40 km/h gusting to 60
diminishing to 20 gusting to 40 this evening then becoming light
late this evening. Low 18.
Tuesday..Becoming cloudy in the morning with 30 percent chance of
showers late in the morning and early afternoon. Showers beginning
in the afternoon. Risk of a thunderstorm late in the afternoon. Wind
becoming south 20 km/h gusting to 40 then southwest 40 gusting to 60
late in the morning. High 29. Humidex 37. UV index 6 or high.
Tuesday night..Showers ending near midnight then cloudy with
40 percent chance of showers. Risk of a thunderstorm in the evening.
Wind southwest 20 km/h gusting to 40 becoming light near midnight.
Wind becoming north 20 gusting to 40 after midnight. Low 8.
St. Thomas - Aylmer - Eastern Elgin County.
Tonight..Mainly cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Wind southwest 40 km/h gusting to 60
diminishing to 20 gusting to 40 this evening then becoming light
late this evening. Low 18.
Tuesday..Mainly cloudy with 30 percent chance of showers late in the
morning and early afternoon. Showers beginning in the afternoon.
Risk of a thunderstorm late in the afternoon. Wind becoming south
20 km/h gusting to 40 then southwest 40 gusting to 60 late in the
morning. High 29. Humidex 37. UV index 9 or very high.
Tuesday night..Showers ending near midnight then cloudy with
40 percent chance of showers. Risk of a thunderstorm in the evening.
Wind southwest 20 km/h gusting to 40 becoming light near midnight.
Wind becoming north 20 gusting to 40 after midnight. Low 8.
Strathroy - Komoka - Western Middlesex County.
Tonight..Mainly cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Wind southwest 40 km/h gusting to 60
diminishing to 20 gusting to 40 this evening then becoming light
late this evening. Low 19.
Tuesday..Becoming cloudy in the morning with 30 percent chance of
showers late in the morning and early afternoon. Showers beginning
in the afternoon. Risk of a thunderstorm late in the afternoon. Wind
becoming south 20 km/h gusting to 40 then southwest 40 gusting to 60
late in the morning. High 30. Humidex 38. UV index 6 or high.
Tuesday night..Showers ending near midnight then cloudy with
40 percent chance of showers. Risk of a thunderstorm in the evening.
Wind southwest 20 km/h gusting to 40 becoming light near midnight.
Wind becoming north 20 gusting to 40 after midnight. Low 8.
London - Parkhill - Eastern Middlesex County.
Tonight..Mainly cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Wind southwest 40 km/h gusting to 60
diminishing to 20 gusting to 40 this evening then becoming light
late this evening. Low 19.
Tuesday..Mainly cloudy with 30 percent chance of showers late in the
morning and early afternoon. Showers beginning in the afternoon.
Risk of a thunderstorm late in the afternoon. Wind becoming south
20 km/h gusting to 40 then southwest 40 gusting to 60 late in the
morning. High 30. Humidex 37. UV index 9 or very high.
Tuesday night..Showers ending near midnight then cloudy with
40 percent chance of showers. Risk of a thunderstorm in the evening.
Wind southwest 20 km/h gusting to 40 becoming light near midnight.
Wind becoming north 20 gusting to 40 after midnight. Low 7.
Simcoe - Delhi - Norfolk.
Tonight..Increasing cloudiness early this evening. 40 percent chance
of showers late this evening and overnight. Risk of a thunderstorm
late this evening. Wind southwest 30 km/h gusting to 50 becoming
light after midnight. Low 18.
Tuesday..Mainly cloudy with 30 percent chance of showers late in the
morning and in the afternoon. Showers beginning late in the
afternoon. Risk of a thunderstorm late in the afternoon. Wind
becoming southwest 20 km/h gusting to 40 then increasing to 40
gusting to 70 late in the morning. High 29. Humidex 34. UV index 9
or very high.
Tuesday night..Showers ending after midnight then cloudy with
40 percent chance of showers. Risk of a thunderstorm in the evening
and after midnight. Wind southwest 40 km/h gusting to 70 diminishing
to 20 gusting to 40 in the evening then becoming northwest 20
gusting to 40 after midnight. Low 9.
Dunnville - Caledonia - Haldimand.
Tonight..Increasing cloudiness. 40 percent chance of showers late
this evening and overnight. Risk of a thunderstorm late this
evening. Wind southwest 30 km/h gusting to 50 becoming light after
midnight. Low 18.
Tuesday..A mix of sun and cloud with 30 percent chance of showers
late in the morning and in the afternoon. Showers beginning late in
the afternoon. Risk of a thunderstorm late in the afternoon. Wind
becoming southwest 20 km/h gusting to 40 then increasing to 40
gusting to 70 late in the morning. High 29. Humidex 35. UV index 9
or very high.
Tuesday night..Showers ending after midnight then cloudy with
40 percent chance of showers. Risk of a thunderstorm in the evening
and after midnight. Wind southwest 40 km/h gusting to 70 diminishing
to 20 gusting to 40 in the evening then becoming northwest 20
gusting to 40 after midnight. Low 10.
Woodstock - Tillsonburg - Oxford County.
Tonight..Increasing cloudiness early this evening. 40 percent chance
of showers late this evening and overnight. Risk of a thunderstorm
late this evening. Wind southwest 30 km/h gusting to 50 becoming
light after midnight. Low 19.
Tuesday..Mainly cloudy with 30 percent chance of showers late in the
morning and in the afternoon. Showers beginning late in the
afternoon. Risk of a thunderstorm late in the afternoon. Wind
becoming southwest 20 km/h gusting to 40 then increasing to 40
gusting to 70 late in the morning. High 30. Humidex 36. UV index 9
or very high.
Tuesday night..Showers ending after midnight then cloudy with
40 percent chance of showers. Risk of a thunderstorm in the evening
and after midnight. Wind southwest 40 km/h gusting to 70 diminishing
to 20 gusting to 40 in the evening then becoming northwest 20
gusting to 40 after midnight. Low 7.
Brantford - County of Brant.
Tonight..Increasing cloudiness. 40 percent chance of showers late
this evening and overnight. Risk of a thunderstorm late this
evening. Wind southwest 30 km/h gusting to 50 becoming light after
midnight. Low 18.
Tuesday..Mainly cloudy with 30 percent chance of showers late in the
morning and in the afternoon. Showers beginning late in the
afternoon. Risk of a thunderstorm late in the afternoon. Wind
becoming southwest 20 km/h gusting to 40 then increasing to 40
gusting to 70 late in the morning. High 30. Humidex 36. UV index 9
or very high.
Tuesday night..Showers ending after midnight then cloudy with
40 percent chance of showers. Risk of a thunderstorm in the evening
and after midnight. Wind southwest 40 km/h gusting to 70 diminishing
to 20 gusting to 40 in the evening then becoming northwest 20
gusting to 40 after midnight. Low 7.
Niagara Falls - Welland - Southern Niagara Region.
Tonight..Clear. Increasing cloudiness early this evening then
40 percent chance of showers late this evening and overnight. Risk
of a thunderstorm late this evening. Wind southwest 30 km/h gusting
to 50 becoming light after midnight. Low 18.
Tuesday..A mix of sun and cloud with 30 percent chance of showers
late in the morning and in the afternoon. Showers beginning late in
the afternoon. Risk of a thunderstorm late in the afternoon. Wind
becoming southwest 20 km/h gusting to 40 then increasing to 40
gusting to 70 late in the morning. High 29. Humidex 36. UV index 9
or very high.
Tuesday night..Showers ending after midnight then mainly cloudy with
40 percent chance of showers. Risk of a thunderstorm in the evening
and after midnight. Wind southwest 40 km/h gusting to 70 diminishing
to 20 gusting to 40 in the evening then becoming northwest 20
gusting to 40 after midnight. Low 10.
St. Catharines - Grimsby - Northern Niagara Region.
Tonight..Clear. Increasing cloudiness early this evening then
40 percent chance of showers late this evening and overnight. Risk
of a thunderstorm late this evening. Wind southwest 30 km/h gusting
to 50 becoming light after midnight. Low 18.
Tuesday..A mix of sun and cloud with 30 percent chance of showers
late in the morning and in the afternoon. Showers beginning late in
the afternoon. Risk of a thunderstorm late in the afternoon. Wind
becoming southwest 20 km/h gusting to 40 then increasing to 40
gusting to 70 late in the morning. High 30. Humidex 37. UV index 9
or very high.
Tuesday night..Showers ending after midnight then mainly cloudy with
40 percent chance of showers. Risk of a thunderstorm in the evening
and after midnight. Wind southwest 40 km/h gusting to 70 diminishing
to 20 gusting to 40 in the evening then becoming northwest 20
gusting to 40 after midnight. Low 13.
City of Hamilton.
Tonight..Increasing cloudiness. 40 percent chance of showers late
this evening and overnight. Risk of a thunderstorm late this
evening. Wind southwest 30 km/h gusting to 50 becoming light after
midnight. Low 18.
Tuesday..A mix of sun and cloud with 30 percent chance of showers
late in the morning and in the afternoon. Showers beginning late in
the afternoon. Risk of a thunderstorm late in the afternoon. Wind
becoming southwest 20 km/h gusting to 40 then increasing to 40
gusting to 70 late in the morning. High 30. Humidex 35. UV index 9
or very high.
Tuesday night..Showers ending after midnight then mainly cloudy with
40 percent chance of showers. Risk of a thunderstorm in the evening
and after midnight. Wind southwest 40 km/h gusting to 70 diminishing
to 20 gusting to 40 in the evening then becoming northwest 20
gusting to 40 after midnight. Low 10.
Burlington - Oakville.
Tonight..Clear. Increasing cloudiness early this evening then
40 percent chance of showers late this evening and overnight. Risk
of a thunderstorm late this evening. Fog patches developing
overnight. Wind southwest 30 km/h gusting to 50 becoming light
overnight. Low 19.
Tuesday..A mix of sun and cloud. 30 percent chance of showers late in
the morning and in the afternoon. Risk of a thunderstorm late in the
afternoon. Fog patches dissipating in the morning. Wind becoming
west 30 km/h gusting to 50 in the morning. High 29. Humidex 34. UV
index 9 or very high.
Tuesday night..Mainly cloudy with 60 percent chance of showers. Risk
of a thunderstorm in the evening. Wind southwest 20 km/h gusting to
40 becoming light late in the evening. Wind becoming northwest 20
gusting to 40 overnight. Low 11.
Halton Hills - Milton.
Tonight..Increasing cloudiness. 40 percent chance of showers late
this evening and overnight. Risk of a thunderstorm late this
evening. Fog patches developing overnight. Wind southwest 30 km/h
gusting to 50 becoming light overnight. Low 18.
Tuesday..Mainly cloudy. 30 percent chance of showers late in the
morning and in the afternoon. Risk of a thunderstorm late in the
afternoon. Fog patches dissipating in the morning. Wind becoming
west 30 km/h gusting to 50 in the morning. High 30. Humidex 35. UV
index 8 or very high.
Tuesday night..Mainly cloudy with 60 percent chance of showers. Risk
of a thunderstorm in the evening. Wind southwest 20 km/h gusting to
40 becoming light late in the evening. Wind becoming northwest 20
gusting to 40 overnight. Low 9.
Mississauga - Brampton.
Tonight..Clear. Increasing cloudiness early this evening then
40 percent chance of showers late this evening and overnight. Risk
of a thunderstorm late this evening. Fog patches developing
overnight. Wind southwest 30 km/h gusting to 50 becoming light
overnight. Low 19.
Tuesday..Mainly cloudy. 30 percent chance of showers late in the
morning and in the afternoon. Risk of a thunderstorm late in the
afternoon. Fog patches dissipating in the morning. Wind becoming
west 30 km/h gusting to 50 in the morning. High 30. Humidex 35. UV
index 9 or very high.
Tuesday night..Mainly cloudy with 60 percent chance of showers. Risk
of a thunderstorm in the evening. Wind southwest 20 km/h gusting to
40 becoming light late in the evening. Wind becoming northwest 20
gusting to 40 overnight. Low 9.
Caledon.
Tonight..Increasing cloudiness. Showers beginning early this evening
and ending after midnight then 40 percent chance of showers
overnight. Risk of a thunderstorm this evening and after midnight.
Fog patches developing overnight. Wind southwest 30 km/h gusting to
50 becoming light after midnight. Low 18.
Tuesday..Cloudy with 40 percent chance of showers. Showers beginning
late in the afternoon. Risk of a thunderstorm. Fog patches
dissipating in the morning. Wind becoming south 20 km/h gusting to
40 in the morning then southwest 40 gusting to 60 near noon.
High 29. Humidex 36. UV index 8 or very high.
Tuesday night..Showers ending after midnight then mainly cloudy with
40 percent chance of showers. Risk of a thunderstorm in the evening
and after midnight. Wind southwest 40 km/h gusting to 60 diminishing
to 20 gusting to 40 in the evening then becoming northwest 20
gusting to 40 after midnight. Low 8.
Vaughan - Richmond Hill - Markham.
Tonight..Clear. Increasing cloudiness this evening then 40 percent
chance of showers late this evening and overnight. Risk of a
thunderstorm late this evening. Fog patches developing overnight.
Wind southwest 30 km/h gusting to 50 becoming light overnight.
Low 19.
Tuesday..Mainly cloudy. 30 percent chance of showers late in the
morning and in the afternoon. Risk of a thunderstorm late in the
afternoon. Fog patches dissipating in the morning. Wind becoming
west 30 km/h gusting to 50 in the morning. High 30. Humidex 36. UV
index 9 or very high.
Tuesday night..Mainly cloudy with 60 percent chance of showers. Risk
of a thunderstorm in the evening. Wind southwest 20 km/h gusting to
40 becoming light late in the evening. Wind becoming northwest 20
gusting to 40 overnight. Low 8.
Newmarket - Georgina - Northern York Region.
Tonight..Becoming cloudy this evening with showers changing to
40 percent chance of showers after midnight. Risk of a thunderstorm
this evening and after midnight. Fog patches developing overnight.
Wind southwest 30 km/h gusting to 50 becoming light after midnight.
Low 18.
Tuesday..Cloudy with 40 percent chance of showers. Showers beginning
late in the afternoon. Risk of a thunderstorm. Fog patches
dissipating in the morning. Wind becoming south 20 km/h gusting to
40 in the morning then southwest 40 gusting to 60 near noon.
High 29. Humidex 35. UV index 8 or very high.
Tuesday night..Showers ending after midnight then mainly cloudy with
40 percent chance of showers. Risk of a thunderstorm in the evening
and after midnight. Wind southwest 40 km/h gusting to 60 diminishing
to 20 gusting to 40 in the evening then becoming northwest 20
gusting to 40 after midnight. Low 8.
Pickering - Oshawa - Southern Durham Region.
Tonight..Clear. Increasing cloudiness this evening then 40 percent
chance of showers late this evening and overnight. Risk of a
thunderstorm late this evening and after midnight. Fog patches
developing overnight. Wind southwest 20 km/h gusting to 40 becoming
light late this evening. Wind becoming southwest 20 gusting to 40
before morning. Low 16.
Tuesday..Mainly cloudy. 60 percent chance of showers late in the
morning and in the afternoon. Risk of a thunderstorm late in the
afternoon. Fog patches dissipating in the morning. Wind west 30 km/h
gusting to 50. High 27. Humidex 32. UV index 9 or very high.
Tuesday night..Mainly cloudy with 60 percent chance of showers. Risk
of a thunderstorm in the evening. Wind west 30 km/h gusting to 50
becoming light near midnight. Wind becoming north 20 gusting to 40
after midnight. Low 10.
Uxbridge - Beaverton - Northern Durham Region.
Tonight..Clear. Increasing cloudiness this evening then 40 percent
chance of showers late this evening and overnight. Risk of a
thunderstorm late this evening and after midnight. Fog patches
developing overnight. Wind southwest 20 km/h gusting to 40 becoming
light late this evening. Low 17.
Tuesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late in the afternoon. Fog patches dissipating in the
morning. Wind becoming southwest 20 km/h gusting to 40 in the
morning. High 28. Humidex 33. UV index 8 or very high.
Tuesday night..Mainly cloudy with 60 percent chance of showers. Risk
of a thunderstorm in the evening. Wind southwest 20 km/h gusting to
40 becoming light in the evening. Wind becoming north 20 gusting to
40 after midnight. Low 7.
Goderich - Bluewater - Southern Huron County.
Tonight..Becoming cloudy this evening with 60 percent chance of
showers this evening and overnight. Risk of a thunderstorm this
evening. Fog patches developing overnight. Wind southwest 40 km/h
gusting to 60 diminishing to 20 gusting to 40 this evening then
becoming light after midnight. Low 19.
Tuesday..Cloudy with 30 percent chance of showers late in the morning
and early afternoon. Showers beginning in the afternoon. Risk of a
thunderstorm late in the afternoon. Fog patches dissipating in the
morning. Wind becoming southwest 20 km/h gusting to 40 then
increasing to 40 gusting to 60 late in the morning. High 28. Humidex
36. UV index 6 or high.
Tuesday night..Showers ending after midnight then cloudy with
40 percent chance of showers. Risk of a thunderstorm in the evening.
Wind west 20 km/h gusting to 40 becoming light in the evening. Wind
becoming northwest 20 gusting to 40 after midnight. Low plus 5.
Wingham - Blyth - Northern Huron County.
Tonight..Becoming cloudy this evening with 60 percent chance of
showers this evening and overnight. Risk of a thunderstorm this
evening. Fog patches developing overnight. Wind southwest 40 km/h
gusting to 60 diminishing to 20 gusting to 40 this evening then
becoming light after midnight. Low 18.
Tuesday..Cloudy with 30 percent chance of showers late in the morning
and early afternoon. Showers beginning in the afternoon. Risk of a
thunderstorm late in the afternoon. Fog patches dissipating in the
morning. Wind becoming southwest 20 km/h gusting to 40 then
increasing to 40 gusting to 60 late in the morning. High 28. Humidex
36. UV index 6 or high.
Tuesday night..Showers ending after midnight then cloudy with
40 percent chance of showers. Risk of a thunderstorm in the evening.
Wind west 20 km/h gusting to 40 becoming light in the evening. Wind
becoming northwest 20 gusting to 40 after midnight. Low plus 5.
Stratford - Mitchell - Southern Perth County.
Tonight..Increasing cloudiness early this evening. 60 percent chance
of showers. Risk of a thunderstorm this evening. Fog patches
developing overnight. Wind southwest 40 km/h gusting to 60
diminishing to 20 gusting to 40 this evening then becoming light
after midnight. Low 19.
Tuesday..Mainly cloudy with 30 percent chance of showers late in the
morning and early afternoon. Showers beginning in the afternoon.
Risk of a thunderstorm late in the afternoon. Fog patches
dissipating in the morning. Wind becoming southwest 20 km/h gusting
to 40 then increasing to 40 gusting to 60 late in the morning.
High 30. Humidex 38. UV index 8 or very high.
Tuesday night..Showers ending after midnight then cloudy with
40 percent chance of showers. Risk of a thunderstorm in the evening.
Wind west 20 km/h gusting to 40 becoming light in the evening. Wind
becoming northwest 20 gusting to 40 after midnight. Low plus 5.
Listowel - Milverton - Northern Perth County.
Tonight..Becoming cloudy this evening with 60 percent chance of
showers this evening and overnight. Risk of a thunderstorm this
evening. Fog patches developing overnight. Wind southwest 40 km/h
gusting to 60 diminishing to 20 gusting to 40 this evening then
becoming light after midnight. Low 18.
Tuesday..Cloudy with 30 percent chance of showers late in the morning
and early afternoon. Showers beginning in the afternoon. Risk of a
thunderstorm late in the afternoon. Fog patches dissipating in the
morning. Wind becoming southwest 20 km/h gusting to 40 then
increasing to 40 gusting to 60 late in the morning. High 27. Humidex
34. UV index 6 or high.
Tuesday night..Showers ending after midnight then cloudy with
40 percent chance of showers. Risk of a thunderstorm in the evening.
Wind west 20 km/h gusting to 40 becoming light in the evening. Wind
becoming northwest 20 gusting to 40 after midnight. Low plus 5.
Kitchener - Cambridge - Region of Waterloo.
Tonight..Increasing cloudiness early this evening. 60 percent chance
of showers. Risk of a thunderstorm this evening. Fog patches
developing overnight. Wind southwest 40 km/h gusting to 60
diminishing to 20 gusting to 40 this evening then becoming light
after midnight. Low 18.
Tuesday..Mainly cloudy with 30 percent chance of showers late in the
morning and early afternoon. Showers beginning in the afternoon.
Risk of a thunderstorm late in the afternoon. Fog patches
dissipating in the morning. Wind becoming southwest 20 km/h gusting
to 40 then increasing to 40 gusting to 60 late in the morning.
High 29. Humidex 34. UV index 8 or very high.
Tuesday night..Showers ending after midnight then cloudy with
40 percent chance of showers. Risk of a thunderstorm in the evening.
Wind west 20 km/h gusting to 40 becoming light in the evening. Wind
becoming northwest 20 gusting to 40 after midnight. Low 6.
Guelph - Erin - Southern Wellington County.
Tonight..Increasing cloudiness early this evening. 60 percent chance
of showers. Risk of a thunderstorm this evening. Fog patches
developing overnight. Wind southwest 40 km/h gusting to 60
diminishing to 20 gusting to 40 this evening then becoming light
after midnight. Low 18.
Tuesday..Mainly cloudy with 30 percent chance of showers late in the
morning and early afternoon. Showers beginning in the afternoon.
Risk of a thunderstorm late in the afternoon. Fog patches
dissipating in the morning. Wind becoming southwest 20 km/h gusting
to 40 then increasing to 40 gusting to 60 late in the morning.
High 28. Humidex 33. UV index 8 or very high.
Tuesday night..Showers ending after midnight then cloudy with
40 percent chance of showers. Risk of a thunderstorm in the evening.
Wind west 20 km/h gusting to 40 becoming light in the evening. Wind
becoming northwest 20 gusting to 40 after midnight. Low 6.
Mount Forest - Arthur - Northern Wellington County.
Tonight..Increasing cloudiness early this evening. 60 percent chance
of showers. Risk of a thunderstorm this evening. Fog patches
developing overnight. Wind southwest 40 km/h gusting to 60
diminishing to 20 gusting to 40 this evening then becoming light
after midnight. Low 17.
Tuesday..Cloudy with 30 percent chance of showers late in the morning
and early afternoon. Showers beginning in the afternoon. Risk of a
thunderstorm late in the afternoon. Fog patches dissipating in the
morning. Wind becoming southwest 20 km/h gusting to 40 then
increasing to 40 gusting to 60 late in the morning. High 26. Humidex
33. UV index 6 or high.
Tuesday night..Showers ending after midnight then mainly cloudy with
40 percent chance of showers. Risk of a thunderstorm in the evening.
Wind west 20 km/h gusting to 40 becoming light in the evening. Wind
becoming northwest 20 gusting to 40 after midnight. Low plus 4.
Orangeville - Grand Valley - Southern Dufferin County.
Tonight..Increasing cloudiness. Showers beginning early this evening
and ending after midnight then 40 percent chance of showers
overnight. Risk of a thunderstorm this evening and after midnight.
Fog patches developing overnight. Wind southwest 30 km/h gusting to
50 becoming light after midnight. Low 18.
Tuesday..Cloudy with 40 percent chance of showers. Showers beginning
late in the afternoon. Risk of a thunderstorm. Fog patches
dissipating in the morning. Wind becoming south 20 km/h gusting to
40 in the morning then southwest 40 gusting to 60 near noon.
High 27. Humidex 35. UV index 6 or high.
Tuesday night..Showers ending after midnight then mainly cloudy with
40 percent chance of showers. Risk of a thunderstorm in the evening
and after midnight. Wind southwest 40 km/h gusting to 60 diminishing
to 20 gusting to 40 in the evening then becoming northwest 20
gusting to 40 after midnight. Low plus 5.
Shelburne - Mansfield - Northern Dufferin County.
Tonight..Increasing cloudiness. Showers beginning early this evening
and ending after midnight then 40 percent chance of showers
overnight. Risk of a thunderstorm this evening and after midnight.
Fog patches developing overnight. Wind southwest 30 km/h gusting to
50 becoming light after midnight. Low 18.
Tuesday..Cloudy with 40 percent chance of showers. Showers beginning
late in the afternoon. Risk of a thunderstorm. Fog patches
dissipating in the morning. Wind becoming south 20 km/h gusting to
40 in the morning then southwest 40 gusting to 60 near noon.
High 27. Humidex 35. UV index 6 or high.
Tuesday night..Showers ending after midnight then mainly cloudy with
40 percent chance of showers. Risk of a thunderstorm in the evening
and after midnight. Wind southwest 40 km/h gusting to 60 diminishing
to 20 gusting to 40 in the evening then becoming northwest 20
gusting to 40 after midnight. Low plus 5.
Innisfil - New Tecumseth - Angus.
Tonight..Becoming cloudy this evening with showers changing to
40 percent chance of showers after midnight. Risk of a thunderstorm
this evening and after midnight. Fog patches developing overnight.
Wind southwest 30 km/h gusting to 50 becoming light after midnight.
Low 17.
Tuesday..Cloudy with 40 percent chance of showers. Showers beginning
late in the afternoon. Risk of a thunderstorm. Fog patches
dissipating in the morning. Wind becoming south 20 km/h gusting to
40 in the morning then southwest 40 gusting to 60 near noon.
High 28. Humidex 36. UV index 6 or high.
Tuesday night..Showers ending after midnight then cloudy with
40 percent chance of showers. Risk of a thunderstorm in the evening
and after midnight. Wind southwest 40 km/h gusting to 60 diminishing
to 20 gusting to 40 in the evening then becoming northwest 20
gusting to 40 after midnight. Low plus 5.
Saugeen Shores - Kincardine - Southern Bruce County.
Tonight..Becoming cloudy this evening with showers changing to
40 percent chance of showers near midnight. Risk of a thunderstorm
this evening. Amount 10 to 15 mm. Fog patches developing overnight.
Wind southwest 30 km/h gusting to 50 becoming light late this
evening. Low 16.
Tuesday..Mainly cloudy with 30 percent chance of showers in the
morning and early in the afternoon. Showers beginning in the
afternoon. Risk of a thunderstorm late in the afternoon. Fog patches
dissipating in the morning. Wind becoming southwest 20 km/h gusting
to 40 then increasing to 40 gusting to 60 late in the morning.
High 26. Humidex 31. UV index 8 or very high.
Tuesday night..Showers ending near midnight then cloudy with
40 percent chance of showers. Risk of a thunderstorm in the evening.
Wind southwest 40 km/h gusting to 60 becoming west 20 gusting to 40
in the evening then becoming north 20 gusting to 40 near midnight.
Low plus 4.