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

Timberline Magic Mile (MSH32)

Lat: 46.2°NLon: -122.21°WElev: 6990ft.

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update
Extended Forecast for

Mount St Helens WA

Winter Weather Advisory until February 14, 04:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until February 14, 04:00am

    NOW until
    4:00am Sun

    Winter Weather Advisory

  • This
    Afternoon

    This Afternoon: Snow.  High near 34. Breezy, with a southwest wind around 29 mph, with gusts as high as 46 mph.  Chance of precipitation is 100%. Total daytime snow accumulation of 4 to 8 inches possible.

    Snow and
    Breezy

    High: 34 °F

  • Tonight

    Tonight: Snow.  Temperature rising to around 36 by 4am. Breezy, with a west southwest wind around 29 mph, with gusts as high as 46 mph.  Chance of precipitation is 100%. New snow accumulation of 9 to 13 inches possible.

    Snow and
    Breezy

    Low: 32 °F

  • Sunday

    Sunday: Rain and snow, becoming all rain after 10am.  High near 42. Breezy, with a west southwest wind 21 to 23 mph, with gusts as high as 34 mph.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    Rain/Snow and
    Breezy then
    Rain

    High: 42 °F

  • Sunday
    Night

    Sunday Night: Rain before 4am, then rain and snow.  Low around 38. West wind around 17 mph, with gusts as high as 25 mph.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    Rain then
    Rain/Snow

    Low: 38 °F

  • Washington's
    Birthday

    Washington's Birthday: Rain and snow.  High near 42. West southwest wind around 14 mph, with gusts as high as 21 mph.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    Rain/Snow

    High: 42 °F

  • Monday
    Night

    Monday Night: A 50 percent chance of snow.  Mostly cloudy, with a low around 36. Little or no snow accumulation expected.

    Chance Snow

    Low: 36 °F

  • Tuesday

    Tuesday: A chance of rain and snow.  Mostly cloudy, with a high near 40. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Chance
    Rain/Snow

    High: 40 °F

  • Tuesday
    Night

    Tuesday Night: A chance of snow.  Mostly cloudy, with a low around 33. Breezy.

    Chance Snow
    and Breezy

    Low: 33 °F

Detailed Forecast

This Afternoon
Snow. High near 34. Breezy, with a southwest wind around 29 mph, with gusts as high as 46 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 4 to 8 inches possible.
Tonight
Snow. Temperature rising to around 36 by 4am. Breezy, with a west southwest wind around 29 mph, with gusts as high as 46 mph. Chance of precipitation is 100%. New snow accumulation of 9 to 13 inches possible.
Sunday
Rain and snow, becoming all rain after 10am. High near 42. Breezy, with a west southwest wind 21 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Sunday Night
Rain before 4am, then rain and snow. Low around 38. West wind around 17 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Washington's Birthday
Rain and snow. High near 42. West southwest wind around 14 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Monday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 36. Little or no snow accumulation expected.
Tuesday
A chance of rain and snow. Mostly cloudy, with a high near 40. Chance of precipitation is 40%. Little or no snow accumulation expected.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 33. Breezy.
Wednesday
Snow likely. Cloudy, with a high near 37.
Wednesday Night
Snow. Cloudy, with a low around 25. Windy.
Thursday
Snow showers likely. Cloudy, with a high near 29. Breezy.
Thursday Night
Snow likely. Cloudy, with a low around 25. Breezy.
Friday
A chance of snow. Mostly cloudy, with a high near 33. Breezy.
Friday Night
A chance of snow. Mostly cloudy, with a low around 25. Breezy.
Saturday
A chance of snow. Mostly cloudy, with a high near 30.
Click Map For Forecast
Point Forecast:
Mount St Helens WA
 46.2°N 122.21°W (Elev. 6598 ft)
2:10 pm PST Feb 13, 2016
5pm PST Feb 13, 2016-6pm PST Feb 20, 2016
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database