Extended Forecasts for Southern Ontario and the National Capital Region


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

 
FPCN51 CWTO 112030
Extended forecasts from Wednesday 13 December to Sunday 17 December
for Southern Ontario and the National Capital Region issued by
Environment Canada at 3:30 p.m. EST Monday 11 December 2017.
The next scheduled forecast will be issued at 5:00 a.m. EST Tuesday.

City of Toronto.
Wednesday..A mix of sun and cloud. High minus 6.
Wednesday night..Cloudy periods. Low minus 11.
Thursday..A mix of sun and cloud. High minus 9.
Thursday night..Cloudy periods. Low minus 10.
Friday..Cloudy with 40 percent chance of flurries. High minus 3.
Friday night..Cloudy with 40 percent chance of flurries. Low minus 5.
Saturday..Cloudy with 40 percent chance of flurries. High minus 1.
Saturday night..Cloudy with 40 percent chance of flurries. Low
 minus 2.
Sunday..Cloudy with 40 percent chance of flurries. High plus 1.
Normals for the period..Low minus 5. High plus 2.

Windsor - Essex - Chatham-Kent.
Wednesday..Cloudy with 40 percent chance of flurries. High minus 7.
Wednesday night..Cloudy with 40 percent chance of flurries. Low
 minus 7.
Thursday..Cloudy with 30 percent chance of flurries. High minus 4.
Thursday night..Cloudy with 30 percent chance of flurries. Low
 minus 6.
Friday..Cloudy with 60 percent chance of flurries. High minus 3.
Friday night..Cloudy with 60 percent chance of flurries. Low minus 4.
Saturday..Cloudy with 40 percent chance of flurries or rain showers.
 High plus 2.
Saturday night..Cloudy with 30 percent chance of flurries or rain
 showers. Low zero.
Sunday..Cloudy with 30 percent chance of flurries or rain showers.
 High plus 2.
Normals for the period..Low minus 4. High plus 2.

Sarnia - Lambton.
Wednesday..Flurries or snow squalls. High minus 7.
Wednesday night..Cloudy periods with 60 percent chance of flurries.
 Low minus 8.
Thursday..A mix of sun and cloud with 30 percent chance of flurries.
 High minus 6.
Thursday night..Cloudy periods with 30 percent chance of flurries.
 Low minus 7.
Friday..Cloudy with 60 percent chance of flurries. High minus 4.
Friday night..Cloudy with 60 percent chance of flurries. Low minus 4.
Saturday..Cloudy with 40 percent chance of flurries. High zero.
Saturday night..Cloudy with 40 percent chance of flurries. Low zero.
Sunday..Cloudy with 40 percent chance of flurries. High plus 1.
Normals for the period..Low minus 5. High plus 1.

Elgin.
Wednesday..Flurries or snow squalls. High minus 7.
Wednesday night..Cloudy periods with 60 percent chance of flurries.
 Low minus 9.
Thursday..A mix of sun and cloud with 30 percent chance of flurries.
 High minus 6.
Thursday night..Cloudy periods with 30 percent chance of flurries.
 Low minus 9.
Friday..Cloudy with 60 percent chance of flurries. High minus 4.
Friday night..Cloudy with 60 percent chance of flurries. Windy. Low
 minus 5.
Saturday..Cloudy with 40 percent chance of flurries. High zero.
Saturday night..Cloudy with 40 percent chance of flurries. Low zero.
Sunday..Cloudy with 40 percent chance of flurries. Windy. High
 plus 1.
Normals for the period..Low minus 5. High plus 2.

London - Middlesex.
Wednesday..Flurries or snow squalls. High minus 7.
Wednesday night..Cloudy periods with 60 percent chance of flurries.
 Low minus 10.
Thursday..A mix of sun and cloud with 30 percent chance of flurries.
 High minus 8.
Thursday night..Cloudy periods with 30 percent chance of flurries.
 Low minus 11.
Friday..Cloudy with 60 percent chance of flurries. High minus 5.
Friday night..Cloudy with 60 percent chance of flurries. Low minus 6.
Saturday..Cloudy with 40 percent chance of flurries. High zero.
Saturday night..Cloudy with 40 percent chance of flurries. Low
 minus 1.
Sunday..Cloudy with 40 percent chance of flurries. High plus 1.
Normals for the period..Low minus 6. High plus 1.

Simcoe - Delhi - Norfolk.
Wednesday..A mix of sun and cloud with 30 percent chance of flurries.
 High minus 6.
Wednesday night..Cloudy periods with 30 percent chance of flurries.
 Low minus 9.
Thursday..Cloudy with 30 percent chance of flurries. High minus 7.
Thursday night..Cloudy with 30 percent chance of flurries. Low
 minus 9.
Friday..Cloudy with 40 percent chance of flurries. High minus 4.
Friday night..Cloudy with 40 percent chance of flurries. Low minus 5.
Saturday..Cloudy with 40 percent chance of flurries. High zero.
Saturday night..Cloudy with 40 percent chance of flurries. Low zero.
Sunday..Cloudy with 40 percent chance of flurries. Windy. High
 plus 1.
Normals for the period..Low minus 6. High plus 1.

Dunnville - Caledonia - Haldimand.
Wednesday..A mix of sun and cloud with 30 percent chance of flurries.
 High minus 6.
Wednesday night..Cloudy periods with 30 percent chance of flurries.
 Low minus 9.
Thursday..Cloudy with 30 percent chance of flurries. High minus 7.
Thursday night..Cloudy with 30 percent chance of flurries. Low
 minus 9.
Friday..Cloudy with 40 percent chance of flurries. High minus 4.
Friday night..Cloudy with 40 percent chance of flurries. Low minus 5.
Saturday..Cloudy with 40 percent chance of flurries. High zero.
Saturday night..Cloudy with 40 percent chance of flurries. Low zero.
Sunday..Cloudy with 40 percent chance of flurries. Windy. High
 plus 1.
Normals for the period..Low minus 5. High plus 1.

Oxford - Brant.
Wednesday..A mix of sun and cloud with 40 percent chance of flurries.
 High minus 6.
Wednesday night..Cloudy periods with 30 percent chance of flurries.
 Low minus 10.
Thursday..Cloudy with 30 percent chance of flurries. High minus 8.
Thursday night..Cloudy with 30 percent chance of flurries. Low
 minus 10.
Friday..Cloudy with 40 percent chance of flurries. High minus 5.
Friday night..Cloudy with 30 percent chance of flurries. Low minus 5.
Saturday..Cloudy with 40 percent chance of flurries. High minus 1.
Saturday night..Cloudy with 40 percent chance of flurries. Low
 minus 1.
Sunday..Cloudy with 40 percent chance of flurries. High plus 1.
Normals for the period..Low minus 6. High plus 1.

Niagara.
Wednesday..A mix of sun and cloud with 60 percent chance of flurries.
 High minus 5.
Wednesday night..Cloudy periods with 30 percent chance of flurries.
 Low minus 7.
Thursday..Cloudy with 40 percent chance of flurries. High minus 6.
Thursday night..Cloudy with 40 percent chance of flurries. Low
 minus 8.
Friday..Cloudy with 40 percent chance of flurries. High minus 2.
Friday night..Cloudy with 40 percent chance of flurries. Low minus 3.
Saturday..Cloudy with 40 percent chance of flurries. Windy. High
 plus 1.
Saturday night..Cloudy with 40 percent chance of flurries. Low zero.
Sunday..Cloudy with 40 percent chance of flurries. Windy. High
 plus 2.
Normals for the period..Low minus 4. High plus 3.

City of Hamilton.
Wednesday..A mix of sun and cloud. High minus 6.
Wednesday night..Cloudy periods. Low minus 11.
Thursday..A mix of sun and cloud. High minus 7.
Thursday night..Cloudy periods. Low minus 12.
Friday..Cloudy with 40 percent chance of flurries. High minus 4.
Friday night..Cloudy with 40 percent chance of flurries. Low minus 4.
Saturday..Cloudy with 40 percent chance of flurries. High zero.
Saturday night..Cloudy with 40 percent chance of flurries. Low zero.
Sunday..Cloudy with 40 percent chance of flurries. Windy. High
 plus 1.
Normals for the period..Low minus 6. High plus 1.

Halton - Peel.
Wednesday..A mix of sun and cloud. High minus 6.
Wednesday night..Cloudy periods. Low minus 13.
Thursday..A mix of sun and cloud. High minus 8.
Thursday night..Cloudy periods. Low minus 10.
Friday..Cloudy with 40 percent chance of flurries. High minus 4.
Friday night..Cloudy with 40 percent chance of flurries. Low minus 6.
Saturday..Cloudy with 40 percent chance of flurries. High minus 1.
Saturday night..Cloudy with 40 percent chance of flurries. Low
 minus 3.
Sunday..Cloudy with 40 percent chance of flurries. High plus 1.
Normals for the period..Low minus 6. High plus 1.

York - Durham.
Wednesday..A mix of sun and cloud. High minus 8.
Wednesday night..Cloudy periods. Low minus 14.
Thursday..A mix of sun and cloud. High minus 10.
Thursday night..Cloudy periods. Low minus 10.
Friday..Cloudy with 40 percent chance of flurries. High minus 4.
Friday night..Cloudy with 40 percent chance of flurries. Low minus 6.
Saturday..Cloudy with 40 percent chance of flurries. High minus 2.
Saturday night..Cloudy with 40 percent chance of flurries. Low
 minus 3.
Sunday..Cloudy with 40 percent chance of flurries. High plus 1.
Normals for the period..Low minus 7. High zero.

Huron - Perth.
Wednesday..Cloudy with 70 percent chance of flurries or snow squalls.
 High minus 7.
Wednesday night..Cloudy with 40 percent chance of flurries. Low
 minus 11.
Thursday..Cloudy with 60 percent chance of flurries. High minus 8.
Thursday night..Cloudy with 60 percent chance of flurries. Low
 minus 10.
Friday..Cloudy with 60 percent chance of flurries. High minus 5.
Friday night..Cloudy with 60 percent chance of flurries. Low minus 6.
Saturday..Cloudy with 60 percent chance of flurries. High minus 1.
Saturday night..Cloudy with 40 percent chance of flurries. Low
 minus 1.
Sunday..Cloudy with 40 percent chance of flurries. High zero.
Normals for the period..Low minus 6. High zero.

Waterloo - Wellington.
Wednesday..A mix of sun and cloud with 30 percent chance of flurries.
 High minus 7.
Wednesday night..Cloudy periods with 30 percent chance of flurries.
 Low minus 11.
Thursday..A mix of sun and cloud with 30 percent chance of flurries.
 High minus 8.
Thursday night..Cloudy periods with 30 percent chance of flurries.
 Low minus 11.
Friday..Cloudy with 40 percent chance of flurries. High minus 5.
Friday night..Cloudy with 40 percent chance of flurries. Low minus 5.
Saturday..Cloudy with 40 percent chance of flurries. High minus 2.
Saturday night..Cloudy with 40 percent chance of flurries. Low
 minus 2.
Sunday..Cloudy with 40 percent chance of flurries. High zero.
Normals for the period..Low minus 7. High minus 1.

Dufferin - Innisfil.
Wednesday..A mix of sun and cloud with 30 percent chance of flurries.
 High minus 8.
Wednesday night..Cloudy periods with 30 percent chance of flurries.
 Low minus 13.
Thursday..A mix of sun and cloud with 30 percent chance of flurries.
 High minus 9.
Thursday night..Cloudy periods with 30 percent chance of flurries.
 Low minus 12.
Friday..Cloudy with 40 percent chance of flurries. High minus 6.
Friday night..Cloudy with 40 percent chance of flurries. Low minus 7.
Saturday..Cloudy with 40 percent chance of flurries. High minus 3.
Saturday night..Cloudy with 40 percent chance of flurries. Low
 minus 3.
Sunday..Cloudy with 40 percent chance of flurries. High zero.
Normals for the period..Low minus 8. High zero.

Grey - Bruce.
Wednesday..Cloudy with 70 percent chance of flurries or snow squalls.
 High minus 8.
Wednesday night..Cloudy with 40 percent chance of flurries. Low
 minus 11.
Thursday..Cloudy with 60 percent chance of flurries. High minus 8.
Thursday night..Cloudy with 60 percent chance of flurries. Low
 minus 11.
Friday..Cloudy with 60 percent chance of flurries. High minus 5.
Friday night..Cloudy with 60 percent chance of flurries. Low minus 7.
Saturday..Cloudy with 60 percent chance of flurries. High minus 3.
Saturday night..Cloudy with 40 percent chance of flurries. Low
 minus 3.
Sunday..Cloudy with 40 percent chance of flurries. High zero.
Normals for the period..Low minus 6. High zero.

Barrie - Orillia - Midland.
Wednesday..Cloudy with 70 percent chance of flurries or snow squalls.
 High minus 9.
Wednesday night..Cloudy with 40 percent chance of flurries. Low
 minus 16.
Thursday..Cloudy with 60 percent chance of flurries. High minus 10.
Thursday night..Cloudy with 60 percent chance of flurries. Low
 minus 13.
Friday..Cloudy with 60 percent chance of flurries. High minus 6.
Friday night..Cloudy with 60 percent chance of flurries. Low
 minus 10.
Saturday..Cloudy with 60 percent chance of flurries. High minus 4.
Saturday night..Cloudy with 40 percent chance of flurries. Low
 minus 5.
Sunday..Cloudy with 40 percent chance of flurries. High minus 1.
Normals for the period..Low minus 9. High minus 1.

Belleville - Quinte - Northumberland.
Wednesday..A mix of sun and cloud. High minus 8.
Wednesday night..Cloudy periods. Low minus 16.
Thursday..A mix of sun and cloud. High minus 9.
Thursday night..Cloudy periods. Low minus 13.
Friday..Cloudy with 40 percent chance of flurries. High minus 2.
Friday night..Cloudy with 40 percent chance of flurries. Low minus 8.
Saturday..Cloudy with 40 percent chance of flurries. High minus 3.
Saturday night..Cloudy with 40 percent chance of flurries. Low
 minus 4.
Sunday..Cloudy with 40 percent chance of flurries. High plus 1.
Normals for the period..Low minus 7. High plus 1.

Kingston - Prince Edward.
Wednesday..A mix of sun and cloud. High minus 8.
Wednesday night..Cloudy periods. Low minus 15.
Thursday..A mix of sun and cloud. High minus 12.
Thursday night..Cloudy periods. Low minus 14.
Friday..Cloudy with 30 percent chance of flurries. High minus 5.
Friday night..Cloudy with 30 percent chance of flurries. Low minus 7.
Saturday..Cloudy with 40 percent chance of flurries. High minus 4.
Saturday night..Cloudy with 40 percent chance of flurries. Low
 minus 5.
Sunday..Cloudy with 40 percent chance of flurries. High zero.
Normals for the period..Low minus 7. High plus 1.

Peterborough - Kawartha Lakes.
Wednesday..A mix of sun and cloud. High minus 10.
Wednesday night..Cloudy periods. Low minus 18.
Thursday..A mix of sun and cloud. High minus 12.
Thursday night..Cloudy periods. Low minus 15.
Friday..Cloudy with 40 percent chance of flurries. High minus 5.
Friday night..Cloudy with 40 percent chance of flurries. Low
 minus 10.
Saturday..Cloudy with 40 percent chance of flurries. High minus 4.
Saturday night..Cloudy with 40 percent chance of flurries. Low
 minus 6.
Sunday..Cloudy with 40 percent chance of flurries. High zero.
Normals for the period..Low minus 9. High minus 1.

Stirling - Tweed - South Frontenac.
Wednesday..A mix of sun and cloud. High minus 9.
Wednesday night..Cloudy periods. Low minus 18.
Thursday..A mix of sun and cloud. High minus 12.
Thursday night..Cloudy periods. Low minus 16.
Friday..Cloudy with 30 percent chance of flurries. High minus 7.
Friday night..Cloudy with 30 percent chance of flurries. Low minus 9.
Saturday..Cloudy with 40 percent chance of flurries. High minus 5.
Saturday night..Cloudy with 40 percent chance of flurries. Low
 minus 6.
Sunday..Cloudy with 40 percent chance of flurries. High minus 1.
Normals for the period..Low minus 9. High zero.

Bancroft - Bon Echo Park.
Wednesday..A mix of sun and cloud. High minus 12.
Wednesday night..Cloudy periods. Low minus 18.
Thursday..A mix of sun and cloud. High minus 14.
Thursday night..Cloudy periods. Low minus 20.
Friday..Cloudy with 30 percent chance of flurries. High minus 11.
Friday night..Cloudy with 30 percent chance of flurries. Low
 minus 12.
Saturday..Cloudy with 40 percent chance of flurries. High minus 7.
Saturday night..Cloudy with 40 percent chance of flurries. Low
 minus 8.
Sunday..Cloudy with 40 percent chance of flurries. High minus 3.
Normals for the period..Low minus 11. High minus 2.

Brockville - Leeds and Grenville.
Wednesday..Cloudy with 40 percent chance of flurries. High minus 9.
Wednesday night..Cloudy periods. Low minus 16.
Thursday..A mix of sun and cloud. High minus 11.
Thursday night..Cloudy periods. Low minus 20.
Friday..A mix of sun and cloud. High minus 7.
Friday night..Cloudy with 30 percent chance of flurries. Low
 minus 11.
Saturday..Cloudy with 40 percent chance of flurries. High minus 5.
Saturday night..Cloudy with 40 percent chance of flurries. Low
 minus 9.
Sunday..Cloudy with 40 percent chance of flurries. High minus 1.
Normals for the period..Low minus 9. High minus 1.

City of Ottawa.
Wednesday..Cloudy with 40 percent chance of flurries. High minus 11.
Wednesday night..Cloudy periods. Low minus 16.
Thursday..A mix of sun and cloud. High minus 14.
Thursday night..Cloudy periods. Low minus 18.
Friday..A mix of sun and cloud. High minus 11.
Friday night..Cloudy with 30 percent chance of flurries. Low
 minus 14.
Saturday..Cloudy with 40 percent chance of flurries. High minus 8.
Saturday night..Cloudy with 40 percent chance of flurries. Low
 minus 10.
Sunday..Cloudy with 40 percent chance of flurries. High minus 3.
Normals for the period..Low minus 10. High minus 3.

Gatineau.
Wednesday..Cloudy with 40 percent chance of flurries. High minus 11.
Wednesday night..Cloudy periods. Low minus 17.
Thursday..A mix of sun and cloud. High minus 13.
Thursday night..Cloudy periods. Low minus 22.
Friday..A mix of sun and cloud. High minus 12.
Friday night..Cloudy with 30 percent chance of flurries. Low
 minus 14.
Saturday..Cloudy with 40 percent chance of flurries. High minus 9.
Saturday night..Cloudy with 40 percent chance of flurries. Low
 minus 11.
Sunday..Cloudy with 40 percent chance of flurries. High minus 4.
Normals for the period..Low minus 11. High minus 3.

Prescott and Russell.
Wednesday..Cloudy with 70 percent chance of flurries. High minus 11.
Wednesday night..Cloudy periods. Low minus 15.
Thursday..A mix of sun and cloud. High minus 14.
Thursday night..Cloudy periods. Low minus 18.
Friday..A mix of sun and cloud. High minus 11.
Friday night..Cloudy with 30 percent chance of flurries. Low
 minus 13.
Saturday..Cloudy with 40 percent chance of flurries. High minus 8.
Saturday night..Cloudy with 40 percent chance of flurries. Low
 minus 10.
Sunday..Cloudy with 40 percent chance of flurries. High minus 4.
Normals for the period..Low minus 10. High minus 2.

Cornwall - Morrisburg.
Wednesday..Cloudy with 70 percent chance of flurries. High minus 10.
Wednesday night..Cloudy periods. Low minus 16.
Thursday..A mix of sun and cloud. High minus 12.
Thursday night..Cloudy periods. Low minus 20.
Friday..A mix of sun and cloud. High minus 9.
Friday night..Cloudy with 30 percent chance of flurries. Low
 minus 12.
Saturday..Cloudy with 40 percent chance of flurries. High minus 7.
Saturday night..Cloudy with 40 percent chance of flurries. Low
 minus 10.
Sunday..Cloudy with 40 percent chance of flurries. High minus 3.
Normals for the period..Low minus 10. High minus 2.

Smiths Falls - Lanark - Sharbot Lake.
Wednesday..A mix of sun and cloud. High minus 10.
Wednesday night..Cloudy periods. Low minus 18.
Thursday..A mix of sun and cloud. High minus 12.
Thursday night..Cloudy periods. Low minus 19.
Friday..Cloudy with 30 percent chance of flurries. High minus 9.
Friday night..Cloudy with 30 percent chance of flurries. Low
 minus 11.
Saturday..Cloudy with 40 percent chance of flurries. High minus 7.
Saturday night..Cloudy with 40 percent chance of flurries. Low
 minus 8.
Sunday..Cloudy with 40 percent chance of flurries. High minus 2.
Normals for the period..Low minus 10. High minus 1.

Parry Sound - Muskoka.
Wednesday..A mix of sun and cloud. High minus 13.
Wednesday night..Cloudy periods. Low minus 19.
Thursday..Cloudy with 40 percent chance of flurries. High minus 14.
Thursday night..Cloudy with 40 percent chance of flurries. Low
 minus 16.
Friday..Cloudy with 40 percent chance of flurries. High minus 9.
Friday night..Cloudy with 40 percent chance of flurries. Low
 minus 11.
Saturday..Cloudy with 60 percent chance of flurries. High minus 6.
Saturday night..Cloudy with 40 percent chance of flurries. Low
 minus 7.
Sunday..Cloudy with 40 percent chance of flurries. High minus 2.
Normals for the period..Low minus 11. High minus 2.

Haliburton.
Wednesday..A mix of sun and cloud. High minus 13.
Wednesday night..Cloudy periods. Low minus 20.
Thursday..A mix of sun and cloud with 30 percent chance of flurries.
 High minus 14.
Thursday night..Cloudy periods with 30 percent chance of flurries.
 Low minus 20.
Friday..Cloudy with 30 percent chance of flurries. High minus 9.
Friday night..Cloudy with 30 percent chance of flurries. Low
 minus 12.
Saturday..Cloudy with 60 percent chance of flurries. High minus 7.
Saturday night..Cloudy with 40 percent chance of flurries. Low
 minus 8.
Sunday..Cloudy with 40 percent chance of flurries. High minus 2.
Normals for the period..Low minus 11. High minus 2.

Renfrew - Pembroke - Barry's Bay.
Wednesday..A mix of sun and cloud. High minus 11.
Wednesday night..Cloudy periods. Low minus 18.
Thursday..A mix of sun and cloud. High minus 14.
Thursday night..Cloudy periods. Low minus 22.
Friday..Cloudy with 30 percent chance of flurries. High minus 11.
Friday night..Cloudy with 30 percent chance of flurries. Low
 minus 15.
Saturday..Cloudy with 40 percent chance of flurries. High minus 10.
Saturday night..Cloudy with 40 percent chance of flurries. Low
 minus 12.
Sunday..Cloudy with 40 percent chance of flurries. High minus 5.
Normals for the period..Low minus 14. High minus 3.

Algonquin.
Wednesday..A mix of sun and cloud. High minus 14.
Wednesday night..Cloudy periods. Low minus 22.
Thursday..A mix of sun and cloud with 30 percent chance of flurries.
 High minus 15.
Thursday night..Cloudy periods with 30 percent chance of flurries.
 Low minus 21.
Friday..Cloudy with 30 percent chance of flurries. High minus 10.
Friday night..Cloudy with 30 percent chance of flurries. Low
 minus 13.
Saturday..Cloudy with 60 percent chance of flurries. High minus 8.
Saturday night..Cloudy with 40 percent chance of flurries. Low
 minus 9.
Sunday..Cloudy with 40 percent chance of flurries. High minus 4.
Normals for the period..Low minus 13. High minus 3.

Burk's Falls - Bayfield Inlet.
Wednesday..A mix of sun and cloud. High minus 13.
Wednesday night..Cloudy periods. Low minus 23.
Thursday..Cloudy with 40 percent chance of flurries. High minus 15.
Thursday night..Cloudy with 40 percent chance of flurries. Low
 minus 17.
Friday..Cloudy with 40 percent chance of flurries. High minus 7.
Friday night..Cloudy with 40 percent chance of flurries. Low
 minus 14.
Saturday..Cloudy with 60 percent chance of flurries. High minus 6.
Saturday night..Cloudy with 40 percent chance of flurries. Low
 minus 8.
Sunday..Cloudy with 40 percent chance of flurries. High minus 3.
Normals for the period..Low minus 11. High minus 3.

End
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