Significant Storm Bringing Widespread Winter Weather and Heavy Rainfall Across the Eastern Half of the Country

A storm system moving into the Eastern parts of the country is bringing heavy snow across the Great Lakes and into the Mid-Atlantic and Northeast today. There is also the potential for significant ice accumulations across the northern Mid-Atlantic. To the south, heavy rainfall is producing flash flooding, and river flooding, from the Ohio and Mississippi Valleys to the Deep South. Read More >

Current conditions at

Mt St Helens - Coldwater (MSH33)

Lat: 46.30333°NLon: 122.26503°WElev: 3260ft.

NA

35°F

2°C

Humidity 89%
Wind Speed NW 3 G 8 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Last update 20 Feb 11:00 am PST
Extended Forecast for

9 Miles NNE Mount St Helens WA

Winter Weather Advisory until February 20, 04:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until February 20, 04:00pm

    NOW until
    4:00pm Wed

    Winter Weather Advisory

  • This
    Afternoon

    This Afternoon: Snow showers likely, mainly before 4pm.  Mostly cloudy, with a temperature falling to around 24 by 5pm. Northwest wind around 6 mph.  Chance of precipitation is 70%. Total daytime snow accumulation of 1 to 2 inches possible.

    Snow Showers
    Likely

    High: 27 °F

  • Tonight

    Tonight: A 20 percent chance of snow showers before 10pm.  Mostly cloudy, with a low around 21. East northeast wind 6 to 8 mph.

    Slight Chance
    Snow Showers
    then Mostly
    Cloudy

    Low: 21 °F

  • Thursday

    Thursday: Mostly sunny, with a high near 30. East northeast wind around 6 mph becoming calm  in the morning.

    Mostly Sunny

    High: 30 °F

  • Thursday
    Night

    Thursday Night: A 30 percent chance of snow after 4am.  Increasing clouds, with a low around 20. Calm wind becoming south southwest around 5 mph in the evening.  New snow accumulation of less than a half inch possible.

    Partly Cloudy
    then Chance
    Snow

    Low: 20 °F

  • Friday

    Friday: Snow, mainly after 10am.  High near 29. South southwest wind 6 to 9 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Snow

    High: 29 °F

  • Friday
    Night

    Friday Night: Snow showers.  Low around 22. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    Snow Showers

    Low: 22 °F

  • Saturday

    Saturday: Snow.  High near 25. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    Snow

    High: 25 °F

  • Saturday
    Night

    Saturday Night: Snow showers.  Cloudy, with a low around 20.

    Snow Showers

    Low: 20 °F

Detailed Forecast

This Afternoon
Snow showers likely, mainly before 4pm. Mostly cloudy, with a temperature falling to around 24 by 5pm. Northwest wind around 6 mph. Chance of precipitation is 70%. Total daytime snow accumulation of 1 to 2 inches possible.
Tonight
A 20 percent chance of snow showers before 10pm. Mostly cloudy, with a low around 21. East northeast wind 6 to 8 mph.
Thursday
Mostly sunny, with a high near 30. East northeast wind around 6 mph becoming calm in the morning.
Thursday Night
A 30 percent chance of snow after 4am. Increasing clouds, with a low around 20. Calm wind becoming south southwest around 5 mph in the evening. New snow accumulation of less than a half inch possible.
Friday
Snow, mainly after 10am. High near 29. South southwest wind 6 to 9 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Friday Night
Snow showers. Low around 22. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Saturday
Snow. High near 25. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Saturday Night
Snow showers. Cloudy, with a low around 20.
Sunday
Snow showers likely. Cloudy, with a high near 23.
Sunday Night
A chance of snow showers. Cloudy, with a low around 18.
Monday
A chance of snow showers. Cloudy, with a high near 29.
Monday Night
A chance of snow. Cloudy, with a low around 17.
Tuesday
A chance of snow. Mostly cloudy, with a high near 31. Breezy.
Click Map For Forecast
Point Forecast:
9 Miles NNE Mount St Helens WA
 46.32°N 122.12°W (Elev. 4760 ft)
11:02 am PST Feb 20, 2019
12pm PST Feb 20, 2019-6pm PST Feb 26, 2019
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database