• Early AM

    Mar 4

    Lo -3°

    Occasional snow and flurries

    Migraine Headache Weather
    • Hi
      RealFeel
      -9°
    • UV
      3 - Moderate
    • Cloud
      Cover
      97%
    more
  • Today

    Mar 4

    1°Lo -17°

    Breezy with a little snow

    Beneficial weather for migraines
    • Hi
      RealFeel
      -6°
    • UV
      3 - Moderate
    • Cloud
      Cover
      95%
  • Thu

    Mar 5

    -9°Lo -20°

    Mostly sunny and colder

    At Risk weather for migraines
    • Hi
      RealFeel
      -13°
    • UV
      3 - Moderate
    • Cloud
      Cover
      19%
    more
  • Fri

    Mar 6

    -6°Lo -11°

    A little afternoon snow

    Neutral weather for migraines
    • Hi
      RealFeel
      -12°
    • UV
      3 - Moderate
    • Cloud
      Cover
      40%
    more
  • Sat

    Mar 7

    -1°Lo -12°

    Snow of varying intensity

    Neutral weather for migraines
    • Hi
      RealFeel
      -9°
    • UV
      1 - Low
    • Cloud
      Cover
      89%
    more
Next Previous
Next 8 hours >
  Wed
12am
1am 2am 3am 4am 5am 6am 7am
  12am 1am 2am 3am 4am 5am 6am 7am
Forecast
Cloudy
Cloudy
Snow
Snow
Snow
Cloudy
Cloudy
Cloudy
Temp (°C) -4° -3° -2° -3° -3° -3° -3° -3°
RealFeel® -6° -6° -8° -10° -12° -11° -12° -12°
Humidity 100% 97% 87% 84% 83% 82% 81% 80%
   
  12am 1am 2am 3am 4am 5am 6am 7am
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
46%
 
49%
 
58%
 
58%
 
51%
 
47%
 
43%
 
43%
Ice
 
0%
 
14%
 
14%
 
14%
 
14%
 
14%
 
9%
 
0%
   
  12am 1am 2am 3am 4am 5am 6am 7am
Wind (km/h) 9 NNW 9 NNW 13 W 17 W 20 W 22 WSW 24 WSW 24 WSW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 99% 99% 98% 97% 95% 92% 90% 95%
Dew Point -4° -3° -4° -5° -6° -6° -6° -6°
Middle Grid line 0 C Middle Grid line -5 C

Temperature History - Mar 4

more Historical Weather Data >
  Today Normal Record 3/4/2014
High 10° (1965) -9°
Low -17° -10° -30° (1950) -22°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:36 AM with 11:18 of sunlight, then sets at 5:54 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:10 PM with 13:08 of moolight, then sets at 6:18 AM

Nepean Weather Report

Eastern Storm Update and Great Lakes Ice

March 3, 2015; 9:52 AM ET

Impressive ice cover on the Great Lakes and a look at the latest storm. more >