• Mostly clear 26°
    Snow Days Current Weather
    • Wind
      Chill
      20°
    • Yesterday
      Precip
      0 in
    • Cloud
      Cover
      11%
  • Tonight

    Apr 1

    Lo 26°

    Mostly cloudy, some snow late

    Snow Days Weather
    • Snow
      2%
    • Ice
      0%
    • Snow
      0 in
    Day Details >
  • Tomorrow

    Apr 2

    Hi 57°

    Afternoon rain

    Very Unlikely for a snow day
    • Snow
      42%
    • Ice
      0%
    • Snow
      0.02 in
    Day Details >
  • Friday

    Apr 3

    Hi 55°

    Mainly cloudy

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    Day Details >
Next

Rain Friday evening will change to snow and accumulate 3-6 inches before ending Saturday morning

4/1 4/2 Now: 11:10pm
PM 11-3
  • 11pm Mostly cloudy 26° 0%
  • 12am Mostly cloudy 27° 0%
  • 1am Mostly cloudy 28° 0%
  • 2am Cloudy 30° 35%
  • 3am Cloudy 30° 39%
AM 10-3
  • 10am Rain and snow 46° 51%
  • 11am Rain and snow 50° 51%
  • 12pm Mostly cloudy 52° 47%
  • 1pm Mostly cloudy 54° 45%
  • 2pm Cloudy 57° 49%
  • 3pm Rain 55° 56%
PM 4-9
  • 4pm Cloudy 56° 48%
  • 5pm Rain 54° 68%
  • 6pm Rain 53° 68%
  • 7pm Rain 53° 68%
  • 8pm Rain 53° 83%
  • 9pm Rain 52° 83%
Hourly Forecast >
Apr 01, 2015; 6:07 PM ET
Five-day Weather Forecast for Ottawa, ON
Ottawa, ON Weather Forecast

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The 540 Snow Line

Dec 20, 2012; 5:00 AM ET The 540 line is often used by meteorologists to determine the chances of rain vs. snow.

48 Hour Precipitation Forecast

Wed. Snow Day Potential