• Early AM

    Dec 21

    Lo -11°

    Areas of fog

    Migraine Headache Weather
    • Hi
      RealFeel
      -9°
    • UV
      1 - Low
    • Cloud
      Cover
      83%
    more
  • Today

    Dec 21

    -7°Lo -11°

    Freezing fog this morning

    Neutral weather for migraines
    • Hi
      RealFeel
      -3°
    • UV
      1 - Low
    • Cloud
      Cover
      70%
  • Mon

    Dec 22

    -4°Lo -5°

    Some sun, then clouds

    Neutral weather for migraines
    • Hi
      RealFeel
      -9°
    • UV
      1 - Low
    • Cloud
      Cover
      51%
    more
  • Tue

    Dec 23

    2°Lo 1°

    A bit of ice in the afternoon

    Neutral weather for migraines
    • Hi
      RealFeel
      -2°
    • UV
      0 - Low
    • Cloud
      Cover
      89%
    more
  • Wed

    Dec 24

    5°Lo 3°

    Windy with periods of rain

    Neutral weather for migraines
    • Hi
      RealFeel
      -2°
    • UV
      0 - Low
    • Cloud
      Cover
      95%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
5am
6am 7am 8am 9am 10am 11am 12pm
  5am 6am 7am 8am 9am 10am 11am 12pm
Forecast
Mostly Cloudy
Mostly Cloudy
Fog
Fog
Fog
Cloudy
Cloudy
Cloudy
Temp (°C) -11° -11° -11° -11° -10° -9° -9° -8°
RealFeel® -12° -11° -10° -11° -10° -8° -5° -4°
Humidity 87% 91% 77% 81% 81% 81% 80% 80%
   
  5am 6am 7am 8am 9am 10am 11am 12pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
34%
 
26%
 
11%
 
11%
 
11%
 
11%
 
11%
 
8%
Ice
 
7%
 
5%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  5am 6am 7am 8am 9am 10am 11am 12pm
Wind (km/h) 7 N 6 N 6 NNE 6 NNE 6 NNE 6 NNE 2 NNE 0
UV Index 0 0 0 0 0 1 1 1
Cloud Cover 86% 81% 95% 95% 95% 95% 95% 95%
Dew Point -13° -12° -14° -13° -13° -12° -11° -11°
Middle Grid line 0 C Middle Grid line -5 C Middle Grid line -10 C

Temperature History - Dec 21

more Historical Weather Data >
  Today Normal Record 12/21/2013
High -7° -3° 11° (1957) -7°
Low -11° -12° -28° (1942) -8°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:32 AM with 8:42 of sunlight, then sets at 4:14 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:41 AM with 9:41 of moolight, then sets at 4:22 PM

Saint-Laurent Weather Report

Weekend Update on White Christmas Potential in Canada

December 20, 2014; 3:49 PM ET

Update on White Christmas probabilities for Canada more >