FPCN11 CWTO 111930
Forecasts for Southern Ontario and the National Capital Region issued
by Environment Canada at 3:30 p.m. EDT Wednesday 11 September 2024
for tonight Thursday and Thursday night.
The next scheduled forecast will be issued at 5:00 a.m. EDT Thursday.

City of Toronto.
Tonight..A few clouds. Low 15.
Thursday..Sunny. High 28. Humidex 33. UV index 5 or moderate.
Thursday night..Clear. Low 16.

Windsor - Leamington - Essex County.
Tonight..Clear. Fog patches developing before morning. Low 13.
Thursday..Sunny. Fog patches dissipating in the morning. High 29.
 Humidex 34. UV index 6 or high.
Thursday night..Clear. Low 16.

Chatham-Kent - Rondeau Park.
Tonight..Clear. Fog patches developing before morning. Low 13.
Thursday..Sunny. Fog patches dissipating in the morning. High 29.
 Humidex 34. UV index 6 or high.
Thursday night..Clear. Low 16.

Sarnia - Petrolia - Western Lambton County.
Tonight..Clear. Fog patches developing before morning. Low 12.
Thursday..Sunny. Fog patches dissipating in the morning. High 29.
 Humidex 33. UV index 6 or high.
Thursday night..Clear. Low 14.

Watford - Pinery Park - Eastern Lambton County.
Tonight..Clear. Fog patches developing before morning. Low 12.
Thursday..Sunny. Fog patches dissipating in the morning. High 29.
 Humidex 33. UV index 6 or high.
Thursday night..Clear. Low 14.

Rodney - Shedden - Western Elgin County.
Tonight..Clear. Fog patches developing before morning. Low 12.
Thursday..Sunny. Fog patches dissipating in the morning. High 28.
 Humidex 33. UV index 6 or high.
Thursday night..Clear. Low 14.

St. Thomas - Aylmer - Eastern Elgin County.
Tonight..Clear. Fog patches developing before morning. Low 12.
Thursday..Sunny. Fog patches dissipating in the morning. High 28.
 Humidex 33. UV index 6 or high.
Thursday night..Clear. Low 14.

Strathroy - Komoka - Western Middlesex County.
Tonight..Clear. Fog patches developing before morning. Low 12.
Thursday..Sunny. Fog patches dissipating in the morning. High 29.
 Humidex 33. UV index 6 or high.
Thursday night..Clear. Low 14.

London - Parkhill - Eastern Middlesex County.
Tonight..Clear. Fog patches developing before morning. Low 12.
Thursday..Sunny. Fog patches dissipating in the morning. High 29.
 Humidex 33. UV index 6 or high.
Thursday night..Clear. Low 14.

Simcoe - Delhi - Norfolk.
Tonight..Clear. Fog patches developing before morning. Low 9.
Thursday..Sunny. Fog patches dissipating in the morning. High 29.
 Humidex 32. UV index 6 or high.
Thursday night..Clear. Low 13.

Dunnville - Caledonia - Haldimand.
Tonight..Clear. Fog patches developing before morning. Low 11.
Thursday..Sunny. Fog patches dissipating in the morning. High 29.
 Humidex 32. UV index 6 or high.
Thursday night..Clear. Low 14.

Woodstock - Tillsonburg - Oxford County.
Tonight..Clear. Fog patches developing before morning. Low 10.
Thursday..Sunny. Fog patches dissipating in the morning. High 29.
 Humidex 34. UV index 6 or high.
Thursday night..Clear. Low 13.

Brantford - County of Brant.
Tonight..Clear. Fog patches developing before morning. Low 10.
Thursday..Sunny. Fog patches dissipating in the morning. High 29.
 Humidex 34. UV index 6 or high.
Thursday night..Clear. Low 13.

Niagara Falls - Welland - Southern Niagara Region.
Tonight..Clear. Fog patches developing before morning. Low 19.
Thursday..Sunny. Fog patches dissipating in the morning. High 26.
 Humidex 29. UV index 6 or high.
Thursday night..Clear. Low 18.

St. Catharines - Grimsby - Northern Niagara Region.
Tonight..Clear. Fog patches developing before morning. Low 13.
Thursday..Sunny. Fog patches dissipating in the morning. High 27.
 Humidex 32. UV index 6 or high.
Thursday night..Clear. Low 15.

City of Hamilton.
Tonight..Clear. Fog patches developing before morning. Low 12.
Thursday..Sunny. Fog patches dissipating in the morning. High 28.
 Humidex 33. UV index 6 or high.
Thursday night..Clear. Low 14.

Burlington - Oakville.
Tonight..A few clouds. Fog patches developing before morning. Low 13.
Thursday..Sunny. Fog patches dissipating in the morning. High 28.
 Humidex 34. UV index 6 or high.
Thursday night..Clear. Low 15.

Halton Hills - Milton.
Tonight..A few clouds. Fog patches developing before morning. Low 13.
Thursday..Sunny. Fog patches dissipating in the morning. High 28.
 Humidex 34. UV index 5 or moderate.
Thursday night..Clear. Low 15.

Mississauga - Brampton.
Tonight..A few clouds. Low 13.
Thursday..Sunny. High 28. Humidex 34. UV index 6 or high.
Thursday night..Clear. Low 15.

Caledon.
Tonight..A few clouds. Fog patches developing before morning. Low 13.
Thursday..Sunny. Fog patches dissipating in the morning. High 28.
 Humidex 34. UV index 6 or high.
Thursday night..Clear. Low 15.

Vaughan - Richmond Hill - Markham.
Tonight..A few clouds. Low 13.
Thursday..Sunny. High 29. Humidex 34. UV index 6 or high.
Thursday night..Clear. Low 13.

Newmarket - Georgina - Northern York Region.
Tonight..A few clouds. Fog patches developing before morning. Low 13.
Thursday..Sunny. Fog patches dissipating in the morning. High 29.
 Humidex 34. UV index 5 or moderate.
Thursday night..Clear. Low 13.

Pickering - Oshawa - Southern Durham Region.
Tonight..Clear. Fog patches developing before morning. Low 13.
Thursday..Sunny. Fog patches dissipating in the morning. High 29.
 Humidex 34. UV index 6 or high.
Thursday night..Clear. Low 13.

Uxbridge - Beaverton - Northern Durham Region.
Tonight..Clear. Fog patches developing before morning. Low 13.
Thursday..Sunny. Fog patches dissipating in the morning. High 29.
 Humidex 34. UV index 5 or moderate.
Thursday night..Clear. Low 13.

Goderich - Bluewater - Southern Huron County.
Tonight..Clear. Becoming partly cloudy this evening. Fog patches
 developing before morning. Low 12.
Thursday..Sunny. Fog patches dissipating in the morning. High 29.
 Humidex 32. UV index 6 or high.
Thursday night..Clear. Low 13.

Wingham - Blyth - Northern Huron County.
Tonight..Partly cloudy. Clearing after midnight. Low 12.
Thursday..Sunny. High 29. Humidex 32. UV index 6 or high.
Thursday night..Clear. Low 13.

Stratford - Mitchell - Southern Perth County.
Tonight..Clear. Fog patches developing before morning. Low 12.
Thursday..Sunny. Fog patches dissipating in the morning. High 29.
 Humidex 32. UV index 6 or high.
Thursday night..Clear. Low 13.

Listowel - Milverton - Northern Perth County.
Tonight..Partly cloudy. Becoming clear after midnight. Low 12.
Thursday..Sunny. High 29. Humidex 32. UV index 6 or high.
Thursday night..Clear. Low 13.

Kitchener - Cambridge - Region of Waterloo.
Tonight..A few clouds. Fog patches developing before morning. Low 9.
Thursday..Sunny. Fog patches dissipating in the morning. High 29.
 Humidex 34. UV index 6 or high.
Thursday night..Clear. Low 11.

Guelph - Erin - Southern Wellington County.
Tonight..A few clouds. Fog patches developing before morning. Low 9.
Thursday..Sunny. Fog patches dissipating in the morning. High 29.
 Humidex 34. UV index 6 or high.
Thursday night..Clear. Low 11.

Mount Forest - Arthur - Northern Wellington County.
Tonight..Partly cloudy. Clearing after midnight. Low 14.
Thursday..Sunny. High 28. Humidex 32. UV index 6 or high.
Thursday night..Clear. Low 14.

Orangeville - Grand Valley - Southern Dufferin County.
Tonight..A few clouds. Low 13.
Thursday..Sunny. High 28. Humidex 32. UV index 6 or high.
Thursday night..Clear. Low 15.

Shelburne - Mansfield - Northern Dufferin County.
Tonight..Partly cloudy. Clearing after midnight. Low 13.
Thursday..Sunny. High 28. Humidex 32. UV index 5 or moderate.
Thursday night..Clear. Low 15.

Innisfil - New Tecumseth - Angus.
Tonight..A few clouds. Low 13.
Thursday..Sunny. High 28. Humidex 33. UV index 5 or moderate.
Thursday night..Clear. Low 9.

Saugeen Shores - Kincardine - Southern Bruce County.
Tonight..Partly cloudy with 30 percent chance of showers this evening
 and after midnight. Becoming clear overnight. Low 15.
Thursday..Sunny. High 29. Humidex 33. UV index 6 or high.
Thursday night..Clear. Low 13.

Bruce Peninsula - Sauble Beach - Tobermory.
Tonight..Partly cloudy with 30 percent chance of showers this evening
 and after midnight. Clearing before morning. Low 15.
Thursday..Sunny. High 29. Humidex 33. UV index 6 or high.
Thursday night..Clear. Low 13.

Hanover - Dundalk - Southern Grey County.
Tonight..Partly cloudy with 30 percent chance of showers this evening
 and after midnight. Becoming clear overnight. Low 15.
Thursday..Sunny. High 29. Humidex 33. UV index 5 or moderate.
Thursday night..Clear. Low 13.

Owen Sound - Blue Mountains - Northern Grey County.
Tonight..Partly cloudy with 30 percent chance of showers this evening
 and after midnight. Clearing before morning. Low 16.
Thursday..Sunny. High 25. Humidex 30. UV index 5 or moderate.
Thursday night..Clear. Low 16.

Barrie - Collingwood - Hillsdale.
Tonight..Partly cloudy with 30 percent chance of showers. Becoming
 clear overnight. Low 13.
Thursday..Sunny. High 27. Humidex 31. UV index 5 or moderate.
Thursday night..Clear. Low 12.

Midland - Coldwater - Orr Lake.
Tonight..Partly cloudy with 30 percent chance of showers. Clearing
 before morning. Low 16.
Thursday..Sunny. High 25. Humidex 31. UV index 5 or moderate.
Thursday night..Clear. Low 14.

Orillia - Lagoon City - Washago.
Tonight..Partly cloudy with 30 percent chance of showers. Becoming
 clear overnight. Low 16.
Thursday..Sunny. High 25. Humidex 31. UV index 5 or moderate.
Thursday night..Clear. Low 14.

Cobourg - Colborne - Western Northumberland County.
Tonight..Clear. Fog patches developing before morning. Low 10.
Thursday..Sunny. Fog patches dissipating in the morning. High 26.
 Humidex 31. UV index 5 or moderate.
Thursday night..Clear. Low 12.

Belleville - Quinte West - Eastern Northumberland County.
Tonight..Clear. Fog patches developing before morning. Low 10.
Thursday..Sunny. Fog patches dissipating in the morning. High 26.
 Humidex 31. UV index 5 or moderate.
Thursday night..Clear. Low 12.

Picton - Sandbanks Park.
Tonight..Clear. Fog patches developing before morning. Low 10.
Thursday..Sunny. Fog patches dissipating in the morning. High 26.
 Humidex 31. UV index 5 or moderate.
Thursday night..Clear. Low 12.

Napanee - Consecon.
Tonight..Clear. Fog patches developing before morning. Low 10.
Thursday..Sunny. Fog patches dissipating in the morning. High 26.
 Humidex 31. UV index 5 or moderate.
Thursday night..Clear. Low 12.

Kingston - Odessa - Frontenac Islands.
Tonight..Clear. Increasing cloudiness before morning. Fog patches
 developing before morning. Low 10.
Thursday..Clearing in the morning. Fog patches dissipating in the
 morning. High 26. Humidex 31. UV index 5 or moderate.
Thursday night..Clear. Low 12.

Lindsay - Southern Kawartha Lakes.
Tonight..A few clouds. Fog patches developing before morning. Low 9.
Thursday..Sunny. Fog patches dissipating in the morning. High 27.
 Humidex 32. UV index 5 or moderate.
Thursday night..Clear. Low 9.

Fenelon Falls - Balsam Lake Park - Northern Kawartha Lakes.
Tonight..Partly cloudy. 30 percent chance of showers this evening and
 after midnight. Low 9.
Thursday..Sunny. High 27. Humidex 32. UV index 5 or moderate.
Thursday night..Clear. Low 9.

Peterborough City - Lakefield - Southern Peterborough County.
Tonight..Clear. Fog patches developing before morning. Low 9.
Thursday..Sunny. Fog patches dissipating in the morning. High 27.
 Humidex 32. UV index 5 or moderate.
Thursday night..Clear. Low 9.

Apsley - Woodview - Northern Peterborough County.
Tonight..Partly cloudy. 30 percent chance of showers this evening and
 after midnight. Low 9.
Thursday..Sunny. High 27. Humidex 32. UV index 5 or moderate.
Thursday night..Clear. Low 9.

Stirling - Tweed - Madoc.
Tonight..Clear. Becoming partly cloudy this evening. Fog patches
 developing before morning. Low 9.
Thursday..Sunny. Fog patches dissipating in the morning. High 26.
 Humidex 34. UV index 5 or moderate.
Thursday night..Clear. Low 11.

Tamworth - Sydenham - South Frontenac.
Tonight..Clear. Becoming partly cloudy after midnight. Fog patches
 developing before morning. Low 9.
Thursday..Clearing in the morning. Fog patches dissipating in the
 morning. High 26. Humidex 34. UV index 5 or moderate.
Thursday night..Clear. Low 11.

Kaladar - Bannockburn - Bon Echo Park.
Tonight..Clear early this evening then partly cloudy with 30 percent
 chance of showers late this evening and overnight. Low 9.
Thursday..A mix of sun and cloud. Becoming sunny in the morning.
 High 27. Humidex 32. UV index 5 or moderate.
Thursday night..Clear. Low 10.

Bancroft - Hastings Highlands - Denbigh.
Tonight..Increasing cloudiness early this evening. 30 percent chance
 of showers late this evening and overnight. Low 9.
Thursday..Clearing in the morning. High 27. Humidex 32. UV index 5 or
 moderate.
Thursday night..Clear. Low 10.

Gananoque - Mallorytown.
Tonight..Clear. Increasing cloudiness overnight. Low 10.
Thursday..Clearing in the morning. High 26. Humidex 31. UV index 5 or
 moderate.
Thursday night..Clear. Low 12.

Brockville - Prescott.
Tonight..Clear. Becoming partly cloudy after midnight. Low 10.
Thursday..A mix of sun and cloud. Clearing late in the morning.
 High 26. Humidex 31. UV index 5 or moderate.
Thursday night..Clear. Low 12.

Westport - Charleston Lake.
Tonight..Clear. Increasing cloudiness after midnight. Low 10.
Thursday..Clearing in the morning. High 26. Humidex 31. UV index 5 or
 moderate.
Thursday night..Clear. Low 12.

Merrickville-Wolford - Kemptville.
Tonight..Clear. Increasing cloudiness after midnight. Low 10.
Thursday..Clearing in the morning. High 26. Humidex 31. UV index 5 or
 moderate.
Thursday night..A few clouds. Low 12.

Ottawa North - Kanata - Orl�ans.
Tonight..Clear early this evening then partly cloudy with 30 percent
 chance of showers overnight. Low 12.
Thursday..Clearing in the morning. High 26. Humidex 30. UV index 5 or
 moderate.
Thursday night..A few clouds. Low 12.

Ottawa South - Richmond - Metcalfe.
Tonight..Clear early this evening then partly cloudy with 30 percent
 chance of showers overnight. Low 12.
Thursday..Clearing in the morning. High 26. Humidex 30. UV index 5 or
 moderate.
Thursday night..A few clouds. Low 12.

Gatineau.
Tonight..Clear early this evening then partly cloudy with 30 percent
 chance of showers overnight. Low 13.
Thursday..Clearing in the morning. High 26. Humidex 30. UV index 5 or
 moderate.
Thursday night..Clear. Becoming partly cloudy in the evening. Low 13.

Prescott and Russell.
Tonight..Clear. Increasing cloudiness after midnight then 30 percent
 chance of showers overnight. Low 10.
Thursday..A mix of sun and cloud with 30 percent chance of showers
 early in the morning. Clearing in the morning. High 26. Humidex 31.
 UV index 5 or moderate.
Thursday night..Clear early in the evening then partly cloudy with
 30 percent chance of showers overnight. Low 13.

Morrisburg - Long Sault.
Tonight..Clear. Partly cloudy overnight with 30 percent chance of
 showers. Low 9.
Thursday..A mix of sun and cloud. 30 percent chance of showers early
 in the morning. Clearing late in the morning. High 26. Humidex 29.
 UV index 5 or moderate.
Thursday night..Clear early in the evening then partly cloudy with
 30 percent chance of showers overnight. Low 11.

Cornwall - Lancaster.
Tonight..Clear. Partly cloudy overnight with 30 percent chance of
 showers. Low 9.
Thursday..Mainly cloudy. 30 percent chance of showers early in the
 morning. Clearing late in the morning. High 26. Humidex 29. UV
 index 5 or moderate.
Thursday night..Clear early in the evening then partly cloudy with
 30 percent chance of showers overnight. Low 11.

Winchester - Newington.
Tonight..Clear. Increasing cloudiness after midnight then 30 percent
 chance of showers overnight. Low 9.
Thursday..Mainly cloudy with 30 percent chance of showers early in
 the morning. Clearing in the morning. High 26. Humidex 29. UV
 index 5 or moderate.
Thursday night..Clear early in the evening then partly cloudy with
 30 percent chance of showers overnight. Low 11.

Maxville - Alexandria.
Tonight..Clear. Increasing cloudiness after midnight then 30 percent
 chance of showers overnight. Low 9.
Thursday..A mix of sun and cloud. 30 percent chance of showers early
 in the morning. Clearing late in the morning. High 26. Humidex 29.
 UV index 5 or moderate.
Thursday night..Clear early in the evening then partly cloudy with
 30 percent chance of showers overnight. Low 11.

Plevna - Sharbot Lake - Western Lanark County.
Tonight..Partly cloudy. 30 percent chance of showers late this
 evening and overnight. Low 10.
Thursday..Sunny. High 26. Humidex 31. UV index 5 or moderate.
Thursday night..Clear. Low 12.

Smiths Falls - Perth - Eastern Lanark County.
Tonight..Clear early this evening then partly cloudy with 30 percent
 chance of showers late this evening and overnight. Low 10.
Thursday..Clearing in the morning. High 26. Humidex 31. UV index 5 or
 moderate.
Thursday night..Clear. Low 12.

Port Carling - Port Severn.
Tonight..Partly cloudy with 30 percent chance of showers. Clearing
 before morning. Low 13.
Thursday..Sunny. High 27. Humidex 33. UV index 5 or moderate.
Thursday night..Clear. Low 11.

Bracebridge - Gravenhurst.
Tonight..Partly cloudy with 30 percent chance of showers. Clearing
 before morning. Low 13.
Thursday..Sunny. High 27. Humidex 33. UV index 5 or moderate.
Thursday night..Clear. Low 11.

Town of Parry Sound - Rosseau - Killbear Park.
Tonight..Partly cloudy with 30 percent chance of showers this
 evening. Clearing before morning. Low 12.
Thursday..Sunny. High 26. Humidex 30. UV index 5 or moderate.
Thursday night..Clear. Low 12.

Huntsville - Baysville.
Tonight..Mainly cloudy with 30 percent chance of showers this
 evening. Clearing before morning. Low 12.
Thursday..Sunny. High 26. Humidex 30. UV index 5 or moderate.
Thursday night..Clear. Low 12.

Haliburton - Minden - Southern Haliburton County.
Tonight..Partly cloudy. 30 percent chance of showers this evening and
 after midnight. Clearing before morning. Low 10.
Thursday..Sunny. High 26. Humidex 31. UV index 5 or moderate.
Thursday night..Clear. Low 10.

Oxtongue Lake - Fort Irwin - Northern Haliburton County.
Tonight..Mainly cloudy with 30 percent chance of showers. Clearing
 before morning. Low 10.
Thursday..Sunny. High 26. Humidex 31. UV index 5 or moderate.
Thursday night..Clear. Low 10.

Barry's Bay - Killaloe.
Tonight..Increasing cloudiness early this evening. 30 percent chance
 of showers. Low 13.
Thursday..A mix of sun and cloud. Becoming sunny in the morning.
 High 28. Humidex 33. UV index 5 or moderate.
Thursday night..Clear. Low 12.

Renfrew - Arnprior - Calabogie.
Tonight..Increasing cloudiness early this evening. 30 percent chance
 of showers. Low 13.
Thursday..Mainly sunny. High 28. Humidex 33. UV index 5 or moderate.
Thursday night..Clear. Low 12.

Petawawa - Pembroke - Cobden.
Tonight..Increasing cloudiness early this evening. 30 percent chance
 of showers. Low 13.
Thursday..Sunny. High 28. Humidex 33. UV index 5 or moderate.
Thursday night..Clear. Low 12.

Western Algonquin Park - Lake of Two Rivers.
Tonight..Mainly cloudy with 30 percent chance of showers. Clearing
 before morning. Low 11.
Thursday..Sunny. High 27. Humidex 31. UV index 5 or moderate.
Thursday night..Clear. Low 8.

Deep River - Whitney - Eastern Algonquin Park.
Tonight..Mainly cloudy with 30 percent chance of showers. Clearing
 before morning. Low 11.
Thursday..Sunny. High 27. Humidex 31. UV index 5 or moderate.
Thursday night..Clear. Low 8.

Bayfield Inlet - Dunchurch.
Tonight..Mainly cloudy with 30 percent chance of showers this
 evening. Clearing before morning. Low 14.
Thursday..A mix of sun and cloud. Becoming sunny in the morning.
 High 26. Humidex 31. UV index 5 or moderate.
Thursday night..Clear. Low 13.

South River - Burk's Falls.
Tonight..Mainly cloudy with 30 percent chance of showers this
 evening. Clearing before morning. Low 14.
Thursday..A mix of sun and cloud. Becoming sunny in the morning.
 High 26. Humidex 31. UV index 5 or moderate.
Thursday night..Clear. Low 13.

End
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--- up 2 weeks, 6 days, 9 hours, 54 minutes
 * Origin: Northern Realms (618:400/23)