Extended Forecasts for Southern Ontario and the National Capital Region


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

 
FPCN51 CWTO 162030
Extended forecasts from Tuesday 18 December to Saturday 22 December
for Southern Ontario and the National Capital Region issued by
Environment Canada at 3:30 p.m. EST Sunday 16 December 2018.
The next scheduled forecast will be issued at 5:00 a.m. EST Monday.

City of Toronto.
Tuesday..Sunny. High zero.
Tuesday night..Cloudy periods. Low minus 4.
Wednesday..Cloudy. High plus 3.
Wednesday night..Cloudy. Low plus 2.
Thursday..Cloudy with 30 percent chance of showers. High plus 5.
Thursday night..Cloudy with 70 percent chance of rain. Low plus 2.
Friday..Cloudy with 70 percent chance of rain. High plus 4.
Friday night..Cloudy with 60 percent chance of rain or snow. Low
 minus 1.
Saturday..Cloudy with 40 percent chance of flurries. High plus 1.
Normals for the period..Low minus 6. High plus 1.

Windsor - Essex - Chatham-Kent.
Tuesday..Sunny. High zero.
Tuesday night..Cloudy periods. Low minus 2.
Wednesday..Cloudy. High plus 4.
Wednesday night..Cloudy. Low plus 4.
Thursday..Cloudy with 40 percent chance of showers. High plus 5.
Thursday night..Cloudy with 70 percent chance of rain. Low plus 2.
Friday..Cloudy with 70 percent chance of rain or snow. High plus 2.
Friday night..Cloudy with 60 percent chance of flurries. Low zero.
Saturday..Cloudy with 30 percent chance of flurries. High plus 2.
Normals for the period..Low minus 5. High plus 1.

Sarnia - Lambton.
Tuesday..Sunny. High zero.
Tuesday night..Clear. Low minus 3.
Wednesday..Cloudy. High plus 3.
Wednesday night..Cloudy. Low plus 3.
Thursday..Cloudy with 40 percent chance of showers. High plus 5.
Thursday night..Cloudy with 70 percent chance of rain. Low plus 2.
Friday..Cloudy with 70 percent chance of rain or snow. High plus 2.
Friday night..Cloudy with 60 percent chance of flurries. Low minus 1.
Saturday..Cloudy with 30 percent chance of flurries. High plus 1.
Normals for the period..Low minus 6. High plus 1.

Elgin.
Tuesday..Sunny. High zero.
Tuesday night..Clear. Low minus 4.
Wednesday..A mix of sun and cloud. High plus 3.
Wednesday night..Cloudy. Low plus 3.
Thursday..Cloudy with 40 percent chance of showers. High plus 5.
Thursday night..Cloudy with 70 percent chance of rain. Low plus 2.
Friday..Cloudy with 70 percent chance of rain or snow. High plus 2.
Friday night..Cloudy with 60 percent chance of flurries. Low minus 1.
Saturday..Cloudy with 30 percent chance of flurries. High plus 1.
Normals for the period..Low minus 6. High plus 1.

London - Middlesex.
Tuesday..Sunny. High zero.
Tuesday night..Clear. Low minus 3.
Wednesday..Cloudy. High plus 3.
Wednesday night..Cloudy. Low plus 2.
Thursday..Cloudy with 40 percent chance of showers. High plus 5.
Thursday night..Cloudy with 70 percent chance of rain. Low plus 2.
Friday..Cloudy with 70 percent chance of rain or snow. High plus 2.
Friday night..Cloudy with 60 percent chance of flurries. Low minus 1.
Saturday..Cloudy with 30 percent chance of flurries. High plus 1.
Normals for the period..Low minus 6. High zero.

Simcoe - Delhi - Norfolk.
Tuesday..Sunny. High zero.
Tuesday night..Clear. Low minus 3.
Wednesday..A mix of sun and cloud. High plus 3.
Wednesday night..Cloudy. Low plus 3.
Thursday..Cloudy with 30 percent chance of showers. High 6.
Thursday night..Cloudy with 70 percent chance of rain. Low plus 2.
Friday..Cloudy with 70 percent chance of rain. High plus 3.
Friday night..Cloudy with 60 percent chance of rain or snow. Low
 minus 1.
Saturday..Cloudy with 40 percent chance of flurries. High plus 1.
Normals for the period..Low minus 6. High plus 1.

Dunnville - Caledonia - Haldimand.
Tuesday..Sunny. High zero.
Tuesday night..Clear. Low minus 4.
Wednesday..Cloudy. High plus 3.
Wednesday night..Cloudy. Low plus 3.
Thursday..Cloudy with 30 percent chance of showers. High 6.
Thursday night..Cloudy with 70 percent chance of rain. Low plus 2.
Friday..Cloudy with 70 percent chance of rain. High plus 3.
Friday night..Cloudy with 60 percent chance of rain or snow. Low
 minus 1.
Saturday..Cloudy with 40 percent chance of flurries. High plus 1.
Normals for the period..Low minus 6. High plus 1.

Oxford - Brant.
Tuesday..Sunny. High zero.
Tuesday night..Clear. Low minus 4.
Wednesday..Cloudy. High plus 3.
Wednesday night..Cloudy. Low plus 2.
Thursday..Cloudy with 30 percent chance of showers. High plus 5.
Thursday night..Cloudy with 70 percent chance of rain. Low plus 2.
Friday..Cloudy with 70 percent chance of rain. High plus 3.
Friday night..Cloudy with 60 percent chance of rain or snow. Low
 minus 1.
Saturday..Cloudy with 40 percent chance of flurries. High plus 1.
Normals for the period..Low minus 7. High plus 1.

Niagara.
Tuesday..Sunny. High zero.
Tuesday night..Clear. Low minus 2.
Wednesday..Cloudy. High plus 3.
Wednesday night..Cloudy. Low plus 3.
Thursday..Cloudy with 30 percent chance of showers. High 6.
Thursday night..Cloudy with 70 percent chance of rain. Low plus 3.
Friday..Cloudy with 70 percent chance of rain. High plus 3.
Friday night..Cloudy with 60 percent chance of rain or snow.
 Low zero.
Saturday..Cloudy with 40 percent chance of flurries. High plus 1.
Normals for the period..Low minus 5. High plus 2.

City of Hamilton.
Tuesday..Sunny. High zero.
Tuesday night..Clear. Low minus 2.
Wednesday..Cloudy. High plus 3.
Wednesday night..Cloudy. Low plus 3.
Thursday..Cloudy with 30 percent chance of showers. High 6.
Thursday night..Cloudy with 70 percent chance of rain. Low plus 2.
Friday..Cloudy with 70 percent chance of rain. High plus 3.
Friday night..Cloudy with 60 percent chance of rain or snow.
 Low zero.
Saturday..Cloudy with 40 percent chance of flurries. High plus 1.
Normals for the period..Low minus 7. High zero.

Halton - Peel.
Tuesday..Sunny. High zero.
Tuesday night..Cloudy periods. Low minus 4.
Wednesday..Cloudy. High plus 3.
Wednesday night..Cloudy. Low plus 2.
Thursday..Cloudy with 30 percent chance of showers. High plus 5.
Thursday night..Cloudy with 70 percent chance of rain. Low plus 2.
Friday..Cloudy with 70 percent chance of rain. High plus 3.
Friday night..Cloudy with 60 percent chance of rain or snow. Low
 minus 2.
Saturday..Cloudy with 40 percent chance of flurries. High plus 1.
Normals for the period..Low minus 7. High zero.

York - Durham.
Tuesday..Sunny. High minus 1.
Tuesday night..Clear. Low minus 4.
Wednesday..Cloudy. High plus 2.
Wednesday night..Cloudy. Low plus 2.
Thursday..Cloudy with 30 percent chance of showers. High plus 5.
Thursday night..Cloudy with 70 percent chance of rain. Low plus 2.
Friday..Cloudy with 70 percent chance of rain. High plus 3.
Friday night..Cloudy with 60 percent chance of rain or snow. Low
 minus 1.
Saturday..Cloudy with 40 percent chance of flurries. High plus 1.
Normals for the period..Low minus 7. High zero.

Huron - Perth.
Tuesday..Sunny. High minus 1.
Tuesday night..Clear. Low minus 3.
Wednesday..Cloudy. High plus 2.
Wednesday night..Cloudy. Low plus 2.
Thursday..Cloudy with 40 percent chance of showers. High plus 4.
Thursday night..Cloudy with 70 percent chance of rain or snow. Low
 plus 1.
Friday..Cloudy with 70 percent chance of rain or snow. High plus 2.
Friday night..Cloudy with 60 percent chance of snow. Low minus 2.
Saturday..Cloudy with 40 percent chance of flurries. High zero.
Normals for the period..Low minus 7. High minus 1.

Waterloo - Wellington.
Tuesday..Sunny. High minus 1.
Tuesday night..Cloudy periods. Low minus 5.
Wednesday..Cloudy. High plus 2.
Wednesday night..Cloudy. Low plus 1.
Thursday..Cloudy with 40 percent chance of showers. High plus 4.
Thursday night..Cloudy with 70 percent chance of rain or snow.
 Low zero.
Friday..Cloudy with 70 percent chance of rain or snow. High plus 2.
Friday night..Cloudy with 60 percent chance of snow. Low minus 4.
Saturday..Cloudy with 40 percent chance of flurries. High zero.
Normals for the period..Low minus 8. High minus 1.

Dufferin - Innisfil.
Tuesday..Sunny. High minus 3.
Tuesday night..Cloudy periods. Low minus 6.
Wednesday..Cloudy. High plus 1.
Wednesday night..Cloudy. Low plus 1.
Thursday..Cloudy with 40 percent chance of rain showers or flurries.
 High plus 4.
Thursday night..Cloudy with 40 percent chance of flurries or rain
 showers. Low plus 1.
Friday..Cloudy with 70 percent chance of snow or rain. High plus 2.
Friday night..Cloudy with 60 percent chance of snow. Low minus 3.
Saturday..Cloudy with 60 percent chance of flurries. High minus 1.
Normals for the period..Low minus 8. High minus 1.

Grey - Bruce.
Tuesday..A mix of sun and cloud. High minus 2.
Tuesday night..Cloudy periods. Windy. Low minus 2.
Wednesday..Cloudy. Windy. High plus 3.
Wednesday night..Cloudy. Low plus 3.
Thursday..Cloudy with 40 percent chance of rain showers or flurries.
 High plus 4.
Thursday night..Cloudy with 40 percent chance of flurries or rain
 showers. Low plus 1.
Friday..Cloudy with 70 percent chance of snow or rain. High plus 2.
Friday night..Cloudy with 60 percent chance of snow. Low minus 4.
Saturday..Cloudy with 60 percent chance of flurries. High minus 2.
Normals for the period..Low minus 8. High minus 1.

Barrie - Orillia - Midland.
Tuesday..Sunny. High minus 4.
Tuesday night..Cloudy periods. Low minus 6.
Wednesday..Cloudy. High plus 1.
Wednesday night..Cloudy. Low zero.
Thursday..Cloudy with 40 percent chance of rain showers or flurries.
 High plus 4.
Thursday night..Cloudy with 40 percent chance of flurries or rain
 showers. Low plus 1.
Friday..Cloudy with 70 percent chance of snow or rain. High plus 2.
Friday night..Cloudy with 60 percent chance of snow. Low minus 4.
Saturday..Cloudy with 60 percent chance of flurries. High minus 1.
Normals for the period..Low minus 9. High minus 1.

Belleville - Quinte - Northumberland.
Tuesday..Sunny. High minus 4.
Tuesday night..Clear. Low minus 8.
Wednesday..Cloudy. High plus 1.
Wednesday night..Cloudy. Low zero.
Thursday..Cloudy with 40 percent chance of rain showers or flurries.
 High plus 4.
Thursday night..Cloudy with 40 percent chance of rain showers or
 flurries. Low plus 2.
Friday..Cloudy with 70 percent chance of rain. High plus 3.
Friday night..Cloudy with 60 percent chance of rain or snow. Low
 minus 3.
Saturday..Cloudy with 60 percent chance of flurries. High zero.
Normals for the period..Low minus 9. High zero.

Kingston - Prince Edward.
Tuesday..Sunny. High minus 3.
Tuesday night..Clear. Low minus 7.
Wednesday..Cloudy. High plus 1.
Wednesday night..Cloudy. Low zero.
Thursday..Cloudy with 40 percent chance of rain showers or flurries.
 High plus 4.
Thursday night..Cloudy with 40 percent chance of rain showers or
 flurries. Low plus 1.
Friday..Cloudy with 70 percent chance of rain. High plus 3.
Friday night..Cloudy with 60 percent chance of rain or snow. Low
 minus 3.
Saturday..Cloudy with 60 percent chance of flurries. High zero.
Normals for the period..Low minus 8. High zero.

Peterborough - Kawartha Lakes.
Tuesday..Sunny. High minus 5.
Tuesday night..Increasing cloudiness. Low minus 9.
Wednesday..Cloudy. High plus 1.
Wednesday night..Cloudy. Low minus 1.
Thursday..Cloudy with 40 percent chance of flurries. High plus 3.
Thursday night..Cloudy with 40 percent chance of flurries. Low
 plus 1.
Friday..Cloudy with 70 percent chance of rain or snow. High plus 3.
Friday night..Cloudy with 60 percent chance of snow. Low minus 5.
Saturday..Cloudy with 60 percent chance of flurries. High minus 1.
Normals for the period..Low minus 11. High minus 2.

Stirling - Tweed - South Frontenac.
Tuesday..Sunny. High minus 5.
Tuesday night..Clear. Low minus 9.
Wednesday..Cloudy. High zero.
Wednesday night..Cloudy. Low minus 1.
Thursday..Cloudy with 40 percent chance of rain showers or flurries.
 High plus 3.
Thursday night..Cloudy with 40 percent chance of rain showers or
 flurries. Low plus 1.
Friday..Cloudy with 70 percent chance of rain. High plus 2.
Friday night..Cloudy with 60 percent chance of rain or snow. Low
 minus 4.
Saturday..Cloudy with 60 percent chance of flurries. High minus 1.
Normals for the period..Low minus 10. High minus 1.

Bancroft - Bon Echo Park.
Tuesday..Sunny. High minus 6.
Tuesday night..Increasing cloudiness. Low minus 10.
Wednesday..Cloudy. High zero.
Wednesday night..Cloudy. Low minus 2.
Thursday..Cloudy with 40 percent chance of flurries or rain showers.
 High plus 3.
Thursday night..Cloudy with 40 percent chance of flurries. Low zero.
Friday..Cloudy with 70 percent chance of snow. High plus 1.
Friday night..Cloudy with 60 percent chance of snow. Low minus 5.
Saturday..Cloudy with 60 percent chance of snow. High minus 3.
Normals for the period..Low minus 12. High minus 2.

Brockville - Leeds and Grenville.
Tuesday..Sunny. High minus 4.
Tuesday night..Clear. Low minus 9.
Wednesday..A mix of sun and cloud. High plus 1.
Wednesday night..Cloudy. Low minus 1.
Thursday..Cloudy with 40 percent chance of rain showers or flurries.
 High plus 3.
Thursday night..Cloudy with 40 percent chance of rain showers or
 flurries. Low plus 1.
Friday..Cloudy with 70 percent chance of rain. High plus 3.
Friday night..Cloudy with 60 percent chance of rain or snow. Low
 minus 2.
Saturday..Cloudy with 60 percent chance of flurries. High minus 1.
Normals for the period..Low minus 9. High minus 1.

City of Ottawa.
Tuesday..Sunny. High minus 6.
Tuesday night..Clear. Low minus 12.
Wednesday..A mix of sun and cloud. High minus 1.
Wednesday night..Cloudy. Low minus 3.
Thursday..Cloudy with 40 percent chance of flurries or rain showers.
 High plus 2.
Thursday night..Cloudy with 40 percent chance of flurries or rain
 showers. Low zero.
Friday..Cloudy with 70 percent chance of rain or snow. High plus 2.
Friday night..Cloudy with 60 percent chance of snow. Low minus 4.
Saturday..Cloudy with 60 percent chance of snow. High minus 2.
Normals for the period..Low minus 11. High minus 4.

Gatineau.
Tuesday..Sunny. High minus 7.
Tuesday night..Clear. Low minus 12.
Wednesday..A mix of sun and cloud. High minus 1.
Wednesday night..Cloudy. Low minus 3.
Thursday..Cloudy with 40 percent chance of flurries or rain showers.
 High plus 2.
Thursday night..Cloudy with 40 percent chance of flurries or rain
 showers. Low zero.
Friday..Cloudy with 70 percent chance of rain or snow. High plus 2.
Friday night..Cloudy with 60 percent chance of snow. Low minus 4.
Saturday..Cloudy with 60 percent chance of snow. High minus 3.
Normals for the period..Low minus 12. High minus 4.

Prescott and Russell.
Tuesday..Sunny. High minus 6.
Tuesday night..Clear. Low minus 12.
Wednesday..A mix of sun and cloud. High minus 1.
Wednesday night..Cloudy periods. Low minus 3.
Thursday..Cloudy with 40 percent chance of flurries or rain showers.
 High plus 1.
Thursday night..Cloudy with 40 percent chance of flurries or rain
 showers. Low zero.
Friday..Cloudy with 70 percent chance of rain or snow. High plus 2.
Friday night..Cloudy with 60 percent chance of snow. Low minus 3.
Saturday..Cloudy with 60 percent chance of snow. High minus 2.
Normals for the period..Low minus 11. High minus 3.

Cornwall - Morrisburg.
Tuesday..Sunny. High minus 5.
Tuesday night..Clear. Low minus 11.
Wednesday..A mix of sun and cloud. High minus 1.
Wednesday night..Cloudy. Low minus 3.
Thursday..Cloudy with 40 percent chance of flurries or rain showers.
 High plus 2.
Thursday night..Cloudy with 40 percent chance of flurries or rain
 showers. Low zero.
Friday..Cloudy with 70 percent chance of rain or snow. High plus 4.
Friday night..Cloudy with 60 percent chance of snow. Low minus 3.
Saturday..Cloudy with 60 percent chance of snow. High minus 2.
Normals for the period..Low minus 11. High minus 3.

Smiths Falls - Lanark - Sharbot Lake.
Tuesday..Sunny. High minus 6.
Tuesday night..Clear. Low minus 11.
Wednesday..A mix of sun and cloud. High zero.
Wednesday night..Cloudy. Low minus 2.
Thursday..Cloudy with 40 percent chance of flurries or rain showers.
 High plus 2.
Thursday night..Cloudy with 40 percent chance of flurries or rain
 showers. Low plus 1.
Friday..Cloudy with 70 percent chance of rain or snow. High plus 3.
Friday night..Cloudy with 60 percent chance of snow. Low minus 4.
Saturday..Cloudy with 60 percent chance of snow. High minus 2.
Normals for the period..Low minus 11. High minus 2.

Parry Sound - Muskoka.
Tuesday..Sunny. High minus 6.
Tuesday night..Cloudy periods. Low minus 8.
Wednesday..Cloudy. High zero.
Wednesday night..Cloudy. Low minus 1.
Thursday..Cloudy with 40 percent chance of flurries or rain showers.
 High plus 3.
Thursday night..Cloudy with 40 percent chance of flurries. Low zero.
Friday..Cloudy with 70 percent chance of snow. High plus 1.
Friday night..Cloudy with 60 percent chance of snow. Low minus 6.
Saturday..Cloudy with 60 percent chance of flurries. High minus 3.
Normals for the period..Low minus 12. High minus 2.

Haliburton.
Tuesday..Sunny. High minus 6.
Tuesday night..Cloudy periods. Low minus 9.
Wednesday..Cloudy. High zero.
Wednesday night..Cloudy. Low minus 1.
Thursday..Cloudy with 40 percent chance of flurries or rain showers.
 High plus 3.
Thursday night..Cloudy with 40 percent chance of flurries. Low zero.
Friday..Cloudy with 70 percent chance of snow. High plus 1.
Friday night..Cloudy with 60 percent chance of snow. Low minus 6.
Saturday..Cloudy with 60 percent chance of snow. High minus 3.
Normals for the period..Low minus 12. High minus 3.

Renfrew - Pembroke - Barry's Bay.
Tuesday..Sunny. High minus 7.
Tuesday night..Cloudy periods. Low minus 12.
Wednesday..Cloudy. High plus 1.
Wednesday night..Cloudy. Low minus 2.
Thursday..Cloudy with 40 percent chance of flurries or rain showers.
 High plus 2.
Thursday night..Cloudy with 40 percent chance of flurries. Low zero.
Friday..Cloudy with 70 percent chance of snow. High plus 1.
Friday night..Cloudy with 60 percent chance of snow. Low minus 6.
Saturday..A mix of sun and cloud with 60 percent chance of snow. High
 minus 4.
Normals for the period..Low minus 15. High minus 4.

Algonquin.
Tuesday..Sunny. High minus 7.
Tuesday night..Cloudy periods. Low minus 9.
Wednesday..Cloudy. High zero.
Wednesday night..Cloudy. Low minus 1.
Thursday..Cloudy with 40 percent chance of flurries or rain showers.
 High plus 2.
Thursday night..Cloudy with 40 percent chance of flurries. Low zero.
Friday..Cloudy with 70 percent chance of snow. High zero.
Friday night..Cloudy with 60 percent chance of snow. Low minus 6.
Saturday..Cloudy with 60 percent chance of snow. High minus 4.
Normals for the period..Low minus 14. High minus 3.

Burk's Falls - Bayfield Inlet.
Tuesday..Sunny. High minus 4.
Tuesday night..Cloudy. Low minus 5.
Wednesday..Cloudy. High plus 2.
Wednesday night..Cloudy. Low zero.
Thursday..Cloudy with 40 percent chance of flurries or rain showers.
 High plus 3.
Thursday night..Cloudy with 40 percent chance of flurries. Low
 minus 1.
Friday..Cloudy with 70 percent chance of snow. High minus 1.
Friday night..Cloudy with 60 percent chance of snow. Low minus 8.
Saturday..Cloudy with 60 percent chance of flurries. High minus 4.
Normals for the period..Low minus 12. High minus 4.

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