Forecasts for Southern Ontario and the National Capital Region


* NOTE: Corrected and/or amended bulletins are listed first *

 
FPCN11 CWTO 132030
Forecasts for Southern Ontario and the National Capital Region issued
by Environment Canada at 3:30 p.m. EST Wednesday 13 December 2017 for
tonight Thursday and Thursday night.
The next scheduled forecast will be issued at 5:00 a.m. EST Thursday.

City of Toronto.
Tonight..Mainly cloudy. 40 percent chance of flurries this evening
 and after midnight. Clearing before morning. Wind northwest 20 km/h
 becoming light early this evening. Low minus 16.
Thursday..A mix of sun and cloud. High minus 7.
Thursday night..A few clouds. Low minus 12.

Windsor - Essex - Chatham-Kent.
Snowfall warning in effect.
Tonight..Snow at times heavy ending after midnight then partly cloudy
 with 30 percent chance of flurries. Amount 10 cm. Wind becoming
 northeast 20 km/h gusting to 40 this evening. Low minus 12.
Thursday..A mix of sun and cloud. 30 percent chance of flurries in
 the morning. Wind northwest 20 km/h becoming light in the afternoon.
 High minus 7.
Thursday night..Partly cloudy. Low minus 13.

Sarnia - Petrolia - Western Lambton County.
Snowfall warning in effect
Snow squall watch in effect.
Tonight..Snow. Risk of snow squalls before morning. Amount 10 cm.
 Wind becoming northeast 20 km/h gusting to 40 this evening. Low
 minus 11.
Thursday..Flurries with risk of snow squalls. Local amount 10 to
 15 cm. Wind northwest 20 km/h. High minus 6.
Thursday night..Partly cloudy. Wind becoming southwest 20 km/h before
 morning. Low minus 11.

Watford - Pinery Park - Eastern Lambton County.
Snowfall warning in effect
Snow squall watch in effect.
Tonight..Snow. Amount 10 cm. Wind becoming northeast 20 km/h gusting
 to 40 this evening. Low minus 11.
Thursday..Flurries with risk of snow squalls. Local amount 10 to
 15 cm. Wind northwest 20 km/h. High minus 6.
Thursday night..Partly cloudy. Wind becoming southwest 20 km/h before
 morning. Low minus 11.

Rodney - Shedden - Western Elgin County.
Snowfall warning in effect.
Tonight..Snow at times heavy ending after midnight then partly
 cloudy. Amount 10 to 15 cm. Wind becoming northeast 20 km/h gusting
 to 40 this evening. Low minus 14.
Thursday..A mix of sun and cloud. 40 percent chance of flurries late
 in the morning and in the afternoon. Wind northwest 20 km/h becoming
 light in the afternoon. High minus 7.
Thursday night..A few clouds. Increasing cloudiness before morning.
 Low minus 15.

St. Thomas - Aylmer - Eastern Elgin County.
Tonight..Periods of snow ending after midnight then partly cloudy.
 Amount 10 cm. Wind becoming northeast 20 km/h gusting to 40 this
 evening. Low minus 14.
Thursday..A mix of sun and cloud. 40 percent chance of flurries late
 in the morning and in the afternoon. Wind northwest 20 km/h becoming
 light in the afternoon. High minus 7.
Thursday night..A few clouds. Increasing cloudiness before morning.
 Low minus 15.

Strathroy - Komoka - Western Middlesex County.
Snowfall warning in effect.
Tonight..Snow ending after midnight then mainly cloudy with
 40 percent chance of flurries. Amount 10 to 15 cm. Wind becoming
 northeast 20 km/h gusting to 40 this evening. Low minus 14.
Thursday..Mainly cloudy. A few flurries beginning in the morning.
 Risk of snow squalls late in the morning and in the afternoon. Local
 amount 5 cm. Wind northwest 20 km/h becoming light in the afternoon.
 High minus 7.
Thursday night..Partly cloudy. Low minus 14.

London - Parkhill - Eastern Middlesex County.
Tonight..Periods of snow ending after midnight then mainly cloudy
 with 40 percent chance of flurries. Amount 5 to 10 cm. Wind becoming
 northeast 20 km/h gusting to 40 this evening. Low minus 14.
Thursday..Mainly cloudy. A few flurries beginning in the morning.
 Local amount 2 cm. Wind northwest 20 km/h becoming light in the
 afternoon. High minus 7.
Thursday night..Partly cloudy. Low minus 14.

Simcoe - Delhi - Norfolk.
Tonight..Periods of snow ending after midnight then mainly cloudy.
 Amount 5 to 10 cm. Wind becoming northeast 20 km/h gusting to 40
 this evening. Low minus 14.
Thursday..A mix of sun and cloud. High minus 7.
Thursday night..Partly cloudy. Low minus 14.

Dunnville - Caledonia - Haldimand
Niagara.
Tonight..Mainly cloudy. Periods of snow beginning early this evening
 and ending after midnight. Amount 2 to 4 cm. Wind becoming northeast
 20 km/h gusting to 40 this evening. Low minus 12.
Thursday..A mix of sun and cloud. Wind northwest 20 km/h becoming
 light in the afternoon. High minus 7.
Thursday night..A few clouds. Low minus 10.

Woodstock - Tillsonburg - Oxford County.
Tonight..Periods of snow ending after midnight then clearing. Amount
 2 to 4 cm. Wind northwest 20 km/h becoming northeast 20 this
 evening. Low minus 14.
Thursday..A mix of sun and cloud. 40 percent chance of flurries in
 the afternoon. Wind north 20 km/h becoming light in the afternoon.
 High minus 8.
Thursday night..Partly cloudy. Low minus 15.

Brantford - County of Brant
City of Hamilton
Burlington - Oakville
Halton Hills - Milton
Kitchener - Cambridge - Region of Waterloo
Guelph - Erin - Southern Wellington County.
Tonight..Mainly cloudy. Periods of snow beginning early this evening
 and ending after midnight. Clearing before morning. Amount 2 cm.
 Wind northwest 20 km/h becoming northeast 20 this evening. Low
 minus 17. Wind chill minus 27 overnight.
Thursday..A mix of sun and cloud. Wind north 20 km/h becoming light
 in the afternoon. High minus 9. Wind chill minus 27 in the morning.
Thursday night..Partly cloudy. Low minus 13.

Mississauga - Brampton
Caledon.
Tonight..Mainly cloudy. 60 percent chance of flurries this evening
 and after midnight. Clearing before morning. Wind northwest 20 km/h
 becoming light early this evening. Low minus 17. Wind chill minus 25
 overnight.
Thursday..A mix of sun and cloud. Wind up to 15 km/h. High minus 9.
 Wind chill minus 25 in the morning.
Thursday night..Partly cloudy. Low minus 12.

Vaughan - Richmond Hill - Markham
Pickering - Oshawa - Southern Durham Region.
Tonight..Mainly cloudy. 40 percent chance of flurries this evening
 and after midnight. Clearing before morning. Wind northwest 20 km/h
 becoming light early this evening. Low minus 17. Wind chill minus 25
 overnight.
Thursday..A mix of sun and cloud. Wind up to 15 km/h. High minus 7.
 Wind chill minus 25 in the morning.
Thursday night..A few clouds. Low minus 12.

Newmarket - Georgina - Northern York Region
Uxbridge - Beaverton - Northern Durham Region.
Tonight..Partly cloudy. Wind northwest 20 km/h becoming light early
 this evening. Low minus 18. Wind chill minus 27 overnight.
Thursday..A mix of sun and cloud. 30 percent chance of flurries in
 the afternoon. Wind up to 15 km/h. High minus 7. Wind chill minus 27
 in the morning.
Thursday night..Partly cloudy. 30 percent chance of flurries in the
 evening and after midnight. Low minus 13.

Goderich - Bluewater - Southern Huron County.
Tonight..Periods of snow ending after midnight then mainly cloudy
 with 40 percent chance of flurries. Amount 2 to 4 cm. Wind west
 20 km/h gusting to 40 becoming light early this evening. Wind
 becoming northeast 30 gusting to 50 this evening. Low minus 14. Wind
 chill minus 25 overnight.
Thursday..Mainly cloudy. Flurries beginning in the morning. Risk of
 snow squalls late in the morning and in the afternoon. Local amount
 5 cm. Wind northeast 20 km/h gusting to 40 becoming northwest 20
 gusting to 40 in the morning. High minus 5.
Thursday night..Flurries. Risk of snow squalls in the evening. Local
 amount 5 cm. Low minus 10.

Wingham - Blyth - Northern Huron County.
Tonight..Periods of snow ending after midnight then mainly cloudy
 with 40 percent chance of flurries. Amount 2 to 4 cm. Wind west
 20 km/h gusting to 40 becoming light early this evening. Wind
 becoming northeast 30 gusting to 50 this evening. Low minus 14. Wind
 chill minus 25 overnight.
Thursday..Mainly cloudy. Flurries beginning in the morning. Risk of
 snow squalls late in the morning and in the afternoon. Local amount
 2 to 4 cm. Wind northeast 20 km/h gusting to 40 becoming northwest
 20 gusting to 40 in the morning. High minus 5.
Thursday night..Flurries. Risk of snow squalls in the evening. Local
 amount 5 cm. Wind becoming southwest 20 km/h overnight. Low
 minus 10.

Stratford - Mitchell - Southern Perth County.
Tonight..Periods of snow ending after midnight then mainly cloudy.
 Amount 2 to 4 cm. Wind northwest 20 km/h becoming light early this
 evening. Low minus 14.
Thursday..Mainly cloudy. 40 percent chance of flurries in the
 afternoon. High minus 5.
Thursday night..Mainly cloudy with 40 percent chance of flurries.
 Wind becoming southwest 20 km/h before morning. Low minus 11.

Listowel - Milverton - Northern Perth County.
Tonight..Periods of snow ending after midnight then mainly cloudy.
 Amount 2 cm. Wind northwest 20 km/h becoming light early this
 evening. Low minus 14.
Thursday..Mainly cloudy. 40 percent chance of flurries in the
 afternoon. High minus 5.
Thursday night..Mainly cloudy with 40 percent chance of flurries. Low
 minus 11.

Mount Forest - Arthur - Northern Wellington County
Orangeville - Grand Valley - Southern Dufferin County
Hanover - Dundalk - Southern Grey County.
Tonight..Mainly cloudy with 60 percent chance of flurries. Wind
 northwest 20 km/h becoming light early this evening. Low minus 17.
 Wind chill minus 25 overnight.
Thursday..Mainly cloudy. 40 percent chance of flurries in the morning
 and early in the afternoon. Wind up to 15 km/h. High minus 6. Wind
 chill minus 25 in the morning.
Thursday night..Flurries. Local amount 2 cm. Wind becoming south
 20 km/h before morning. Low minus 11.

Shelburne - Mansfield - Northern Dufferin County
Innisfil - New Tecumseth - Angus.
Tonight..Flurries. Local amount 2 cm. Wind northwest 20 km/h becoming
 light early this evening. Low minus 18. Wind chill minus 27
 overnight.
Thursday..A few flurries ending in the afternoon then mainly cloudy.
 Wind up to 15 km/h. High minus 9. Wind chill minus 27 in the
 morning.
Thursday night..Partly cloudy. Low minus 12.

Saugeen Shores - Kincardine - Southern Bruce County.
Tonight..A few flurries ending after midnight then mainly cloudy.
 Amount 2 cm. Wind west 20 km/h gusting to 40 becoming light early
 this evening. Wind becoming northeast 30 gusting to 50 this evening.
 Low minus 13.
Thursday..Mainly cloudy. A few flurries beginning in the morning.
 Amount 2 cm. Wind northeast 20 km/h gusting to 40 becoming northwest
 20 gusting to 40 in the morning. High minus 5.
Thursday night..Flurries with risk of snow squalls. Local amount 5 to
 10 cm. Wind becoming south 20 km/h gusting to 40 overnight. Low
 minus 9.

Bruce Peninsula - Sauble Beach - Tobermory.
Tonight..Flurries. Local amount 2 to 4 cm. Wind becoming north
 20 km/h gusting to 40 near midnight. Low minus 13.
Thursday..Mainly cloudy with 60 percent chance of flurries. Wind
 north 20 km/h gusting to 40. High minus 5.
Thursday night..Flurries with risk of snow squalls. Local amount 5 to
 10 cm. Wind becoming south 20 km/h gusting to 40 overnight. Low
 minus 9.

Owen Sound - Blue Mountains - Northern Grey County.
Tonight..Flurries. Local amount 2 cm. Wind north 20 km/h gusting to
 40 becoming light early this evening. Wind becoming north 20 gusting
 to 40 near midnight. Low minus 13.
Thursday..Flurries with risk of snow squalls. Local amount 5 to
 10 cm. Wind north 20 km/h gusting to 40. High minus 5.
Thursday night..Flurries with risk of snow squalls. Local amount
 5 cm. Wind becoming south 20 km/h before morning. Low minus 10.

Barrie - Collingwood - Hillsdale.
Snow squall watch in effect.
Tonight..Flurries. Local amount 2 cm. Wind northwest 30 km/h gusting
 to 50 becoming light early this evening. Wind becoming north 20
 overnight. Low minus 16. Wind chill minus 25 overnight.
Thursday..Flurries with risk of snow squalls. Local amount 5 to
 10 cm. Wind northwest 20 km/h. High minus 9. Wind chill minus 25 in
 the morning.
Thursday night..Flurries with risk of snow squalls. Local amount
 5 cm. Low minus 12.

Midland - Coldwater - Orr Lake.
Snow squall watch in effect.
Tonight..Increasing cloudiness early this evening. 60 percent chance
 of flurries. Wind northwest 20 km/h gusting to 40 becoming light
 early this evening. Wind becoming north 20 overnight. Low minus 16.
 Wind chill minus 25 overnight.
Thursday..Mainly cloudy. Flurries beginning in the morning. Risk of
 snow squalls in the afternoon. Local amount 5 cm. Wind northwest
 20 km/h. High minus 10. Wind chill minus 25 in the morning.
Thursday night..Flurries with risk of snow squalls. Local amount
 5 cm. Wind becoming southwest 20 km/h gusting to 40 before morning.
 Low minus 14.

Orillia - Lagoon City - Washago.
Tonight..Partly cloudy. Wind northwest 20 km/h gusting to 40 becoming
 light early this evening. Wind becoming north 20 overnight. Low
 minus 16. Wind chill minus 25 overnight.
Thursday..A mix of sun and cloud. 60 percent chance of flurries in
 the afternoon. Wind northwest 20 km/h. High minus 10. Wind chill
 minus 25 in the morning.
Thursday night..Partly cloudy with 60 percent chance of flurries. Low
 minus 14.

Belleville - Quinte - Northumberland
Napanee - Consecon
Kingston - Odessa - Frontenac Islands.
Tonight..A few clouds. Wind northwest 20 km/h gusting to 40 becoming
 light early this evening. Low minus 18. Wind chill minus 25
 overnight.
Thursday..Mainly sunny. Wind up to 15 km/h. High minus 11. Wind chill
 minus 27 in the morning.
Thursday night..A few clouds. Low minus 15.

Picton - Sandbanks Park.
Tonight..A few clouds. Wind northwest 20 km/h gusting to 40 becoming
 light early this evening. Low minus 18. Wind chill minus 25
 overnight.
Thursday..Mainly sunny. Wind up to 15 km/h. High minus 11. Wind chill
 minus 27 in the morning.
Thursday night..A few clouds. Increasing cloudiness after midnight
 then 40 percent chance of flurries overnight. Low minus 13.

Lindsay - Southern Kawartha Lakes
Fenelon Falls - Balsam Lake Park - Northern Kawartha Lakes.
Tonight..A few clouds. Wind northwest 20 km/h gusting to 40 becoming
 light early this evening. Low minus 21. Wind chill minus 28
 overnight.
Thursday..A mix of sun and cloud. 30 percent chance of flurries in
 the afternoon. Wind up to 15 km/h. High minus 13. Wind chill
 minus 28 in the morning.
Thursday night..Partly cloudy with 30 percent chance of flurries. Low
 minus 15.

Peterborough City - Lakefield - Southern Peterborough County
Apsley - Woodview - Northern Peterborough County
Stirling - Tweed - South Frontenac
Kaladar - Bannockburn - Bon Echo Park
Brockville - Leeds and Grenville
Smiths Falls - Lanark - Sharbot Lake.
Tonight..A few clouds. Wind west 20 km/h gusting to 40 becoming light
 near midnight. Low minus 20. Wind chill minus 29.
Thursday..Mainly sunny. Wind becoming west 20 km/h gusting to 40 near
 noon. High minus 13. Wind chill minus 29 in the morning.
Thursday night..A few clouds. Wind up to 15 km/h. Low minus 19. Wind
 chill minus 25.

Bancroft - Hastings Highlands - Denbigh
Haliburton
Renfrew - Pembroke - Barry's Bay
Algonquin.
Tonight..A few clouds. Wind northwest 20 km/h gusting to 40 becoming
 light early this evening. Low minus 24. Wind chill minus 32.
Thursday..Mainly sunny. Wind up to 15 km/h. High minus 15. Wind chill
 minus 31.
Thursday night..A few clouds. Wind up to 15 km/h. Low minus 23. Wind
 chill minus 27.

City of Ottawa
Gatineau
Prescott and Russell
Cornwall - Morrisburg.
Tonight..A few clouds. Wind west 30 km/h gusting to 50 becoming light
 near midnight. Low minus 21. Wind chill minus 30.
Thursday..Mainly sunny. Wind becoming west 20 km/h gusting to 40 near
 noon. High minus 14. Wind chill minus 29.
Thursday night..A few clouds. Wind up to 15 km/h. Low minus 20. Wind
 chill minus 27.

Port Carling - Port Severn
Bracebridge - Gravenhurst
Town of Parry Sound - Rosseau - Killbear Park.
Tonight..A few clouds. Wind northwest 20 km/h gusting to 40 becoming
 light early this evening. Low minus 22. Wind chill minus 30.
Thursday..A mix of sun and cloud. 40 percent chance of flurries in
 the afternoon. Wind up to 15 km/h. High minus 13. Wind chill
 minus 30.
Thursday night..Mainly cloudy with 40 percent chance of flurries in
 the evening. Flurries beginning overnight. Low minus 17.

Huntsville - Baysville
Burk's Falls - Bayfield Inlet.
Tonight..A few clouds. Wind northwest 20 km/h gusting to 40 becoming
 light early this evening. Low minus 22. Wind chill minus 30.
Thursday..Mainly sunny. Wind up to 15 km/h. High minus 15. Wind chill
 minus 30.
Thursday night..A few clouds. Increasing cloudiness after midnight
 then 60 percent chance of flurries overnight. Wind up to 15 km/h.
 Low minus 19. Wind chill minus 26.

End
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