FPCN11 CWTO 101930
Forecasts for Southern Ontario and the National Capital Region issued
by Environment Canada at 3:30 p.m. EDT Monday 10 June 2024 for
tonight Tuesday and Tuesday night.
The next scheduled forecast will be issued at 5:00 a.m. EDT Tuesday.

City of Toronto.
Tonight..Mainly cloudy. Wind northwest 20 km/h becoming light late
 this evening. Low 10.
Tuesday..A mix of sun and cloud. High 20. UV index 7 or high.
Tuesday night..Clear. Low 11.

Windsor - Leamington - Essex County.
Tonight..Clearing early this evening. Wind north 20 km/h becoming
 light early this evening. Low 7.
Tuesday..Mainly sunny. High 22. UV index 8 or very high.
Tuesday night..Partly cloudy. Low 11.

Chatham-Kent - Rondeau Park.
Tonight..Clearing early this evening. Wind north 20 km/h gusting to
 40 becoming light this evening. Low 6.
Tuesday..Mainly sunny. High 21. UV index 8 or very high.
Tuesday night..Partly cloudy. Low 11.

Sarnia - Petrolia - Western Lambton County.
Tonight..Clearing early this evening. Wind north 30 km/h gusting to
 50 becoming light late this evening. Low 6.
Tuesday..Mainly sunny. High 21. UV index 7 or high.
Tuesday night..Partly cloudy. Low 10.

Watford - Pinery Park - Eastern Lambton County.
Tonight..Clearing early this evening. Low 6.
Tuesday..Mainly sunny. High 21. UV index 7 or high.
Tuesday night..Partly cloudy. Low 10.

Rodney - Shedden - Western Elgin County.
Tonight..Partly cloudy. Wind northwest 20 km/h gusting to 40 becoming
 light this evening. Low 6.
Tuesday..Sunny. Becoming a mix of sun and cloud near noon. High 21.
 UV index 7 or high.
Tuesday night..Partly cloudy. Low 10.

St. Thomas - Aylmer - Eastern Elgin County.
Tonight..Partly cloudy. Wind northwest 20 km/h becoming light this
 evening. Low 7.
Tuesday..Sunny. Becoming a mix of sun and cloud near noon. High 21.
 UV index 7 or high.
Tuesday night..Partly cloudy. Low 10.

Strathroy - Komoka - Western Middlesex County.
Tonight..Partly cloudy. Wind northwest 20 km/h gusting to 40 becoming
 light late this evening. Low 6.
Tuesday..Sunny. Becoming a mix of sun and cloud near noon. High 21.
 UV index 7 or high.
Tuesday night..Partly cloudy. Low 9.

London - Parkhill - Eastern Middlesex County.
Tonight..Partly cloudy. Wind northwest 20 km/h becoming light this
 evening. Low 6.
Tuesday..Sunny. Becoming a mix of sun and cloud near noon. High 21.
 UV index 7 or high.
Tuesday night..Partly cloudy. Low 9.

Simcoe - Delhi - Norfolk.
Tonight..Partly cloudy. Low 7.
Tuesday..A mix of sun and cloud. High 20. UV index 7 or high.
Tuesday night..Partly cloudy. Low 8.

Dunnville - Caledonia - Haldimand.
Tonight..Mainly cloudy. Low 7.
Tuesday..A mix of sun and cloud. High 20. UV index 7 or high.
Tuesday night..A few clouds. Low 8.

Woodstock - Tillsonburg - Oxford County.
Tonight..Partly cloudy. Wind northwest 20 km/h becoming light early
 this evening. Low 7.
Tuesday..A mix of sun and cloud. High 20. UV index 7 or high.
Tuesday night..Partly cloudy. Low 8.

Brantford - County of Brant.
Tonight..Partly cloudy. Low 7.
Tuesday..A mix of sun and cloud. High 20. UV index 7 or high.
Tuesday night..Partly cloudy. Low 8.

Niagara Falls - Welland - Southern Niagara Region.
Tonight..Mainly cloudy. Low 10.
Tuesday..A mix of sun and cloud. High 20. UV index 7 or high.
Tuesday night..Clear. Low 11.

St. Catharines - Grimsby - Northern Niagara Region.
Tonight..Mainly cloudy. Low 10.
Tuesday..A mix of sun and cloud. High 20. UV index 7 or high.
Tuesday night..Clear. Low 10.

City of Hamilton.
Tonight..Mainly cloudy. Low 7.
Tuesday..A mix of sun and cloud. High 20. UV index 7 or high.
Tuesday night..A few clouds. Low 9.

Burlington - Oakville.
Tonight..Mainly cloudy. Wind north 20 km/h becoming light late this
 evening. Low 8.
Tuesday..A mix of sun and cloud. High 20. UV index 7 or high.
Tuesday night..A few clouds. Low 10.

Halton Hills - Milton.
Tonight..Mainly cloudy. Low 8.
Tuesday..A mix of sun and cloud. High 20. UV index 7 or high.
Tuesday night..A few clouds. Low 10.

Mississauga - Brampton.
Tonight..Mainly cloudy. Wind north 20 km/h becoming light late this
 evening. Low 9.
Tuesday..A mix of sun and cloud. High 20. UV index 7 or high.
Tuesday night..A few clouds. Low 10.

Caledon.
Tonight..Mainly cloudy. Wind north 20 km/h becoming light early this
 evening. Low 7.
Tuesday..A mix of sun and cloud. High 20. UV index 7 or high.
Tuesday night..A few clouds. Low 8.

Vaughan - Richmond Hill - Markham.
Tonight..Mainly cloudy. Wind northwest 30 km/h becoming light late
 this evening. Low 9.
Tuesday..A mix of sun and cloud. High 20. UV index 7 or high.
Tuesday night..Clear. Low 9.

Newmarket - Georgina - Northern York Region.
Tonight..Mainly cloudy. Wind northwest 20 km/h becoming light late
 this evening. Low 9.
Tuesday..A mix of sun and cloud. High 20. UV index 7 or high.
Tuesday night..Clear. Low 9.

Pickering - Oshawa - Southern Durham Region.
Tonight..Mainly cloudy. Wind northwest 20 km/h becoming light this
 evening. Low 9.
Tuesday..A mix of sun and cloud. High 20. UV index 7 or high.
Tuesday night..Clear. Low 9.

Uxbridge - Beaverton - Northern Durham Region.
Tonight..Mainly cloudy. Wind northwest 20 km/h becoming light this
 evening. Low 9.
Tuesday..A mix of sun and cloud. High 20. UV index 7 or high.
Tuesday night..Clear. Low 9.

Goderich - Bluewater - Southern Huron County.
Tonight..A few clouds. Wind north 30 km/h gusting to 50 becoming
 light late this evening. Low 6.
Tuesday..Mainly sunny. High 21. UV index 7 or high.
Tuesday night..Partly cloudy. Wind becoming south 20 km/h near
 midnight. Low 8.

Wingham - Blyth - Northern Huron County.
Tonight..A few clouds. Wind north 20 km/h becoming light this
 evening. Low 6.
Tuesday..Mainly sunny. High 20. UV index 7 or high.
Tuesday night..Partly cloudy. Low 8.

Stratford - Mitchell - Southern Perth County.
Tonight..Partly cloudy. Wind north 20 km/h becoming light late this
 evening. Low 6.
Tuesday..Sunny. Becoming a mix of sun and cloud near noon. High 21.
 UV index 7 or high.
Tuesday night..Partly cloudy. Low 8.

Listowel - Milverton - Northern Perth County.
Tonight..Partly cloudy. Wind north 20 km/h becoming light this
 evening. Low 6.
Tuesday..Sunny. Becoming a mix of sun and cloud near noon. High 20.
 UV index 7 or high.
Tuesday night..Partly cloudy. Low 8.

Kitchener - Cambridge - Region of Waterloo.
Tonight..Partly cloudy. Wind northwest 20 km/h becoming light late
 this evening. Low 7.
Tuesday..A mix of sun and cloud. High 20. UV index 7 or high.
Tuesday night..Partly cloudy. Low 7.

Guelph - Erin - Southern Wellington County.
Tonight..Partly cloudy. Low 7.
Tuesday..A mix of sun and cloud. High 20. UV index 7 or high.
Tuesday night..Clear. Low 7.

Mount Forest - Arthur - Northern Wellington County.
Tonight..Partly cloudy. Wind north 20 km/h becoming light this
 evening. Low 6.
Tuesday..A mix of sun and cloud. High 20. UV index 7 or high.
Tuesday night..Partly cloudy. Low 7.

Orangeville - Grand Valley - Southern Dufferin County.
Tonight..Mainly cloudy. Wind north 20 km/h becoming light early this
 evening. Low 6.
Tuesday..A mix of sun and cloud. High 20. UV index 7 or high.
Tuesday night..Clear. Low 8.

Shelburne - Mansfield - Northern Dufferin County.
Tonight..Mainly cloudy. Wind north 20 km/h becoming light early this
 evening. Low 6.
Tuesday..A mix of sun and cloud. High 20. UV index 7 or high.
Tuesday night..Clear. Low 8.

Innisfil - New Tecumseth - Angus.
Tonight..Mainly cloudy. Wind northwest 20 km/h becoming light this
 evening. Low 8.
Tuesday..A mix of sun and cloud. High 20. UV index 7 or high.
Tuesday night..A few clouds. Low 7.

Saugeen Shores - Kincardine - Southern Bruce County.
Tonight..A few clouds. Wind north 30 km/h becoming light this
 evening. Low 6.
Tuesday..Mainly sunny. High 20. UV index 7 or high.
Tuesday night..Partly cloudy. Low 8.

Bruce Peninsula - Sauble Beach - Tobermory.
Tonight..A few clouds. Wind northwest 20 km/h becoming light this
 evening. Low 8.
Tuesday..Mainly sunny. High 20. UV index 7 or high.
Tuesday night..Partly cloudy. Low 8.

Hanover - Dundalk - Southern Grey County.
Tonight..Partly cloudy. Wind north 20 km/h becoming light this
 evening. Low plus 5.
Tuesday..A mix of sun and cloud. High 20. UV index 7 or high.
Tuesday night..Partly cloudy. Low 8.

Owen Sound - Blue Mountains - Northern Grey County.
Tonight..A few clouds. Low 6.
Tuesday..Mainly sunny. High 20. UV index 7 or high.
Tuesday night..Partly cloudy. Wind becoming south 20 km/h gusting to
 40 after midnight. Low 9 with temperature rising to 16 by morning.

Barrie - Collingwood - Hillsdale.
Tonight..Mainly cloudy. Wind northwest 20 km/h becoming light this
 evening. Low 8.
Tuesday..A mix of sun and cloud. High 20. UV index 7 or high.
Tuesday night..A few clouds. Low 9.

Midland - Coldwater - Orr Lake.
Tonight..Mainly cloudy. Wind northwest 30 km/h becoming northeast 30
 this evening then light late this evening. Low 8.
Tuesday..A mix of sun and cloud. High 20. UV index 7 or high.
Tuesday night..A few clouds. Low 13.

Orillia - Lagoon City - Washago.
Tonight..Mainly cloudy. Wind north 30 km/h becoming light late this
 evening. Low 8.
Tuesday..A mix of sun and cloud. High 20. UV index 7 or high.
Tuesday night..Clear. Low 13.

Cobourg - Colborne - Western Northumberland County.
Tonight..Mainly cloudy. Low 10.
Tuesday..A mix of sun and cloud. High 20. UV index 7 or high.
Tuesday night..Clear. Low 10.

Belleville - Quinte West - Eastern Northumberland County.
Tonight..Mainly cloudy. Low 10.
Tuesday..A mix of sun and cloud. High 20. UV index 7 or high.
Tuesday night..Clear. Low 10.

Picton - Sandbanks Park.
Tonight..Mainly cloudy. Low 11.
Tuesday..A mix of sun and cloud. High 20. UV index 7 or high.
Tuesday night..Clear. Low 10.

Napanee - Consecon.
Tonight..Mainly cloudy. Low 10.
Tuesday..A mix of sun and cloud. High 20. UV index 7 or high.
Tuesday night..Clear. Low 10.

Kingston - Odessa - Frontenac Islands.
Tonight..Mainly cloudy. Low 10.
Tuesday..A mix of sun and cloud. High 20. UV index 7 or high.
Tuesday night..Clear. Low 10.

Lindsay - Southern Kawartha Lakes.
Tonight..Mainly cloudy. Wind northwest 20 km/h becoming light early
 this evening. Low 7.
Tuesday..Cloudy. Becoming a mix of sun and cloud in the afternoon.
 High 20. UV index 6 or high.
Tuesday night..Clear. Low 8.

Fenelon Falls - Balsam Lake Park - Northern Kawartha Lakes.
Tonight..Mainly cloudy. Low 7.
Tuesday..Cloudy. Becoming a mix of sun and cloud in the afternoon.
 High 20. UV index 6 or high.
Tuesday night..Clear. Low 8.

Peterborough City - Lakefield - Southern Peterborough County.
Tonight..Mainly cloudy. Wind northwest 20 km/h becoming light late
 this evening. Low 7.
Tuesday..Cloudy. Becoming a mix of sun and cloud in the afternoon.
 High 20. UV index 6 or high.
Tuesday night..Clear. Low 8.

Apsley - Woodview - Northern Peterborough County.
Tonight..Mainly cloudy. Low 7.
Tuesday..Cloudy. Becoming a mix of sun and cloud in the afternoon.
 High 20. UV index 6 or high.
Tuesday night..Clear. Low 8.

Stirling - Tweed - Madoc.
Tonight..Mainly cloudy. Low 8.
Tuesday..Cloudy. Becoming a mix of sun and cloud in the afternoon.
 High 21. UV index 6 or high.
Tuesday night..Clear. Low 8.

Tamworth - Sydenham - South Frontenac.
Tonight..Mainly cloudy. Low 9.
Tuesday..Cloudy. Becoming a mix of sun and cloud in the afternoon.
 High 21. UV index 6 or high.
Tuesday night..Clear. Low 8.

Kaladar - Bannockburn - Bon Echo Park.
Tonight..Mainly cloudy. Low 7.
Tuesday..Cloudy. Becoming a mix of sun and cloud in the afternoon.
 High 20. UV index 6 or high.
Tuesday night..Clear. Low 7.

Bancroft - Hastings Highlands - Denbigh.
Tonight..Mainly cloudy. Wind north 20 km/h becoming light late this
 evening. Low plus 5.
Tuesday..Cloudy. Becoming a mix of sun and cloud in the afternoon.
 High 20. UV index 6 or high.
Tuesday night..Clear. Low 7.

Gananoque - Mallorytown.
Tonight..Mainly cloudy. Low 10.
Tuesday..Cloudy. Becoming a mix of sun and cloud in the afternoon.
 High 21. UV index 6 or high.
Tuesday night..Clear. Low 10.

Brockville - Prescott.
Tonight..Mainly cloudy. Low 10.
Tuesday..Cloudy. Becoming a mix of sun and cloud in the afternoon.
 High 21. UV index 6 or high.
Tuesday night..Clear. Low 10.

Westport - Charleston Lake.
Tonight..Mainly cloudy. Low 10.
Tuesday..Cloudy. Becoming a mix of sun and cloud in the afternoon.
 High 21. UV index 6 or high.
Tuesday night..Clear. Low 10.

Merrickville-Wolford - Kemptville.
Tonight..Mainly cloudy. Wind northwest 20 km/h becoming light early
 this evening. Low 10.
Tuesday..Cloudy. Becoming a mix of sun and cloud in the afternoon.
 High 21. UV index 6 or high.
Tuesday night..Clear. Low 10.

Ottawa North - Kanata - Orl�ans.
Tonight..Mainly cloudy. Wind northwest 20 km/h becoming light this
 evening. Low 10.
Tuesday..Cloudy. Becoming a mix of sun and cloud in the afternoon.
 High 21. UV index 6 or high.
Tuesday night..Clear. Low 10.

Ottawa South - Richmond - Metcalfe.
Tonight..Mainly cloudy. Wind northwest 20 km/h becoming light this
 evening. Low 10.
Tuesday..Cloudy. Becoming a mix of sun and cloud in the afternoon.
 High 21. UV index 6 or high.
Tuesday night..Clear. Low 10.

Gatineau.
Tonight..Mainly cloudy. Wind northwest 20 km/h becoming light early
 this evening. Low 10.
Tuesday..Cloudy. Becoming a mix of sun and cloud in the afternoon.
 High 21. UV index 6 or high.
Tuesday night..Clear. Low 10.

Prescott and Russell.
Tonight..Mainly cloudy. Wind northwest 20 km/h becoming light this
 evening. Low 10.
Tuesday..Cloudy. Becoming a mix of sun and cloud in the afternoon.
 High 21. UV index 6 or high.
Tuesday night..Clear. Low 10.

Morrisburg - Long Sault.
Tonight..Mainly cloudy. Wind west 20 km/h becoming light early this
 evening. Low 9.
Tuesday..Cloudy. Becoming a mix of sun and cloud in the afternoon.
 High 21. UV index 6 or high.
Tuesday night..Clear. Low 9.

Cornwall - Lancaster.
Tonight..Mainly cloudy. Wind west 30 km/h becoming light this
 evening. Low 9.
Tuesday..Cloudy. Becoming a mix of sun and cloud in the afternoon.
 High 21. UV index 6 or high.
Tuesday night..Clear. Low 9.

Winchester - Newington.
Tonight..Mainly cloudy. Wind northwest 20 km/h becoming light early
 this evening. Low 9.
Tuesday..Cloudy. Becoming a mix of sun and cloud in the afternoon.
 High 21. UV index 6 or high.
Tuesday night..Clear. Low 9.

Maxville - Alexandria.
Tonight..Mainly cloudy. Wind northwest 20 km/h becoming light this
 evening. Low 9.
Tuesday..Cloudy. Becoming a mix of sun and cloud in the afternoon.
 High 21. UV index 6 or high.
Tuesday night..Clear. Low 9.

Plevna - Sharbot Lake - Western Lanark County.
Tonight..Mainly cloudy. Wind north 20 km/h becoming light late this
 evening. Low 7.
Tuesday..Cloudy. Becoming a mix of sun and cloud in the afternoon.
 High 20. UV index 6 or high.
Tuesday night..Clear. Low 8.

Smiths Falls - Perth - Eastern Lanark County.
Tonight..Mainly cloudy. Wind northwest 20 km/h becoming light early
 this evening. Low 9.
Tuesday..Cloudy. Becoming a mix of sun and cloud in the afternoon.
 High 21. UV index 6 or high.
Tuesday night..Clear. Low 8.

Port Carling - Port Severn.
Tonight..Mainly cloudy. Wind north 30 km/h becoming light late this
 evening. Low 8.
Tuesday..A mix of sun and cloud. High 21. UV index 7 or high.
Tuesday night..Clear. Low 8.

Bracebridge - Gravenhurst.
Tonight..Mainly cloudy. Wind north 20 km/h becoming light this
 evening. Low 7.
Tuesday..A mix of sun and cloud. High 21. UV index 7 or high.
Tuesday night..Clear. Low 8.

Town of Parry Sound - Rosseau - Killbear Park.
Tonight..Mainly cloudy. Wind northeast 30 km/h becoming light this
 evening. Low 7.
Tuesday..A mix of sun and cloud. Wind becoming west 20 km/h late in
 the morning. High 21. UV index 7 or high.
Tuesday night..Clear. Low 8.

Huntsville - Baysville.
Tonight..Mainly cloudy. Low 6.
Tuesday..A mix of sun and cloud. High 21. UV index 7 or high.
Tuesday night..Clear. Low 9.

Haliburton - Minden - Southern Haliburton County.
Tonight..Mainly cloudy. Wind north 20 km/h becoming light late this
 evening. Low plus 5.
Tuesday..Cloudy. Becoming a mix of sun and cloud in the afternoon.
 High 20. UV index 6 or high.
Tuesday night..Clear. Low 8.

Oxtongue Lake - Fort Irwin - Northern Haliburton County.
Tonight..Mainly cloudy. Wind north 20 km/h becoming light late this
 evening. Low plus 5.
Tuesday..Cloudy. Becoming a mix of sun and cloud in the afternoon.
 High 21. UV index 6 or high.
Tuesday night..Clear. Low 8.

Barry's Bay - Killaloe.
Tonight..Mainly cloudy. Wind north 20 km/h becoming light late this
 evening. Low 7.
Tuesday..Cloudy. Becoming a mix of sun and cloud in the afternoon.
 High 21. UV index 6 or high.
Tuesday night..Clear. Low 9.

Renfrew - Arnprior - Calabogie.
Tonight..Mainly cloudy. Wind northwest 20 km/h becoming light late
 this evening. Low 9.
Tuesday..Cloudy. Becoming a mix of sun and cloud in the afternoon.
 High 22. UV index 6 or high.
Tuesday night..Clear. Low 9.

Petawawa - Pembroke - Cobden.
Tonight..Mainly cloudy. Wind northwest 30 km/h becoming light late
 this evening. Low 9.
Tuesday..Cloudy. Becoming a mix of sun and cloud in the afternoon.
 High 22. UV index 6 or high.
Tuesday night..Clear. Low 9.

Western Algonquin Park - Lake of Two Rivers.
Tonight..Mainly cloudy. Wind north 30 km/h becoming light late this
 evening. Low plus 4.
Tuesday..Cloudy. Becoming a mix of sun and cloud in the afternoon.
 High 21. UV index 6 or high.
Tuesday night..Clear. Wind becoming southwest 20 km/h before morning.
 Low 7.

Deep River - Whitney - Eastern Algonquin Park.
Tonight..Mainly cloudy. Wind north 20 km/h becoming light late this
 evening. Low plus 4.
Tuesday..Cloudy. Becoming a mix of sun and cloud in the afternoon.
 High 21. UV index 6 or high.
Tuesday night..Clear. Wind becoming southwest 20 km/h before morning.
 Low 7.

Bayfield Inlet - Dunchurch.
Tonight..Mainly cloudy. Wind northeast 20 km/h becoming light this
 evening. Low 6.
Tuesday..A mix of sun and cloud. High 21. UV index 7 or high.
Tuesday night..Clear. Low 8.

South River - Burk's Falls.
Tonight..Mainly cloudy. Wind northeast 20 km/h becoming light this
 evening. Low 6.
Tuesday..A mix of sun and cloud. High 21. UV index 7 or high.
Tuesday night..Clear. Low 8.

End
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--- up 4 days, 7 hours, 12 minutes
 * Origin: Northern Realms (618:400/23)