Heavy Lake Effect Snow and Bitterly Cold Temperatures

A bitterly cold airmass will settle over much of the central and eastern U.S over the next several days. Well below normal temperatures and cold wind chills will be common. In addition, heavy lake effect snow will be possible especially downwind of Lakes Erie and Ontario, where up to one foot of additional snow is forecast by Sunday morning.
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Current conditions at

Massena, Massena International-Richards Field (KMSS)

Lat: 44.66°NLon: -74.99°WElev: 217ft.

Light Snow Fog/Mist

20°F

-7°C

Humidity 85%
Wind Speed S 13 mph
Barometer 29.80 in (1010.1 mb)
Dewpoint 16°F (-9°C)
Visibility 1.75 mi
Wind Chill7°F (-14°C)
Last update 12 Feb 6:53 pm EST
Extended Forecast for

Potsdam NY

Lake Effect Snow Advisory until February 13, 01:00am
Wind Chill Warning February 13, 03:00am until February 14, 07:00pm
Click here for hazard details and duration
Lake Effect Snow Advisory
Wind Chill Warning
  •  
    Lake Effect Snow Advisory until February 13, 01:00am

    NOW until
    1:00am Sat

    Lake Effect Snow Advisory

  • Tonight

    Tonight: Occasional snow before 10pm, then snow showers likely, mainly between 10pm and 5am. The snow could be heavy at times.  Low around -13. Wind chill values as low as -23. Southwest wind 9 to 16 mph becoming northwest after midnight.  Chance of precipitation is 80%. Total nighttime snow accumulation of 2 to 4 inches possible.

    Heavy Snow
    then Chance
    Snow Showers

    Low: -13 °F

  • Saturday

    Saturday: Mostly cloudy and cold, with a high near -8. Wind chill values as low as -33. West wind 14 to 16 mph.

    Cold

    High: -8 °F

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around -24. Wind chill values as low as -38. Northwest wind 7 to 13 mph.

    Partly Cloudy

    Low: -24 °F

  • Sunday

    Sunday: Mostly sunny and cold, with a high near 0. Wind chill values as low as -35. West wind 6 to 8 mph.

    Cold

    High: 0 °F

  • Sunday
    Night

    Sunday Night: Mostly clear, with a low around -7. South wind 3 to 6 mph.

    Mostly Clear

    Low: -7 °F

  • Washington's
    Birthday

    Washington's Birthday: Mostly sunny, with a high near 23. Southeast wind 5 to 7 mph.

    Mostly Sunny

    High: 23 °F

  • Monday
    Night

    Monday Night: Snow likely, mainly after 1am.  Mostly cloudy, with a low around 19. Southeast wind 7 to 9 mph.  Chance of precipitation is 60%.

    Snow Likely

    Low: 19 °F

  • Tuesday

    Tuesday: Snow before noon, then rain, snow, and sleet.  High near 36. Southeast wind around 7 mph becoming east in the afternoon.  Chance of precipitation is 80%.

    Snow then
    Wintry Mix

    High: 36 °F

Detailed Forecast

Tonight
Occasional snow before 10pm, then snow showers likely, mainly between 10pm and 5am. The snow could be heavy at times. Low around -13. Wind chill values as low as -23. Southwest wind 9 to 16 mph becoming northwest after midnight. Chance of precipitation is 80%. Total nighttime snow accumulation of 2 to 4 inches possible.
Saturday
Mostly cloudy and cold, with a high near -8. Wind chill values as low as -33. West wind 14 to 16 mph.
Saturday Night
Partly cloudy, with a low around -24. Wind chill values as low as -38. Northwest wind 7 to 13 mph.
Sunday
Mostly sunny and cold, with a high near 0. Wind chill values as low as -35. West wind 6 to 8 mph.
Sunday Night
Mostly clear, with a low around -7. South wind 3 to 6 mph.
Washington's Birthday
Mostly sunny, with a high near 23. Southeast wind 5 to 7 mph.
Monday Night
Snow likely, mainly after 1am. Mostly cloudy, with a low around 19. Southeast wind 7 to 9 mph. Chance of precipitation is 60%.
Tuesday
Snow before noon, then rain, snow, and sleet. High near 36. Southeast wind around 7 mph becoming east in the afternoon. Chance of precipitation is 80%.
Tuesday Night
Snow likely. Mostly cloudy, with a low around 26. Light and variable wind becoming west 5 to 8 mph after midnight. Chance of precipitation is 60%.
Wednesday
A 40 percent chance of snow showers. Mostly cloudy, with a high near 30. West wind 8 to 13 mph.
Wednesday Night
A 30 percent chance of snow showers. Mostly cloudy, with a low around 7. West wind around 7 mph.
Thursday
Mostly sunny, with a high near 19. West wind around 6 mph.
Thursday Night
Partly cloudy, with a low around 7. South wind around 6 mph.
Friday
A 30 percent chance of snow showers. Mostly cloudy, with a high near 34. South wind 6 to 13 mph.
Click Map For Forecast
Point Forecast:
Potsdam NY
 44.66°N 74.99°W (Elev. 410 ft)
6:21 pm EST Feb 12, 2016
7pm EST Feb 12, 2016-6pm EST Feb 19, 2016
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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