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Heavy Rain and Flooding, and Significant Wintry Impacts for the Central U.S.

A strong frontal boundary slowing as it moves into the central U.S. will tap into deep moisture to produce heavy rain and flooding, and a significant ice storm. Rain totals up to 7 inches, with isolated higher amounts, will be possible. Significant icing up to a third of an inch may occur in the central Plains and Middle Missouri Valley. Continued cold weather with snow to low elevations out west. Read More >

Current conditions at

Mt St Helens - Coldwater (MSH33)

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

NA

28°F

-2°C

Humidity 89%
Wind Speed NA
Barometer NA
Dewpoint 25°F (-4°C)
Visibility NA
Last update 20 Feb 5:00 pm PST
Extended Forecast for

Mount St Helens WA

Winter Weather Advisory until February 21, 01:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until February 21, 01:00am

    NOW until
    1:00am Wed

    Winter Weather Advisory

  • Tonight

    Tonight: Snow, mainly before 10pm.  Low around 12. Light and variable wind becoming east 5 to 7 mph in the evening.  Chance of precipitation is 90%. Total nighttime snow accumulation of 1 to 3 inches possible.

    Snow then
    Chance Snow

    Low: 12 °F

  • Wednesday

    Wednesday: A 10 percent chance of snow after 4pm.  Increasing clouds, with a high near 20. Light and variable wind becoming west northwest around 6 mph in the afternoon.

    Mostly Sunny
    then Slight
    Chance Snow

    High: 20 °F

  • Wednesday
    Night

    Wednesday Night: Snow likely, mainly between 10pm and 4am.  Cloudy, with a low around 12. Northwest wind around 6 mph becoming calm  in the evening.  Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Snow Likely

    Low: 12 °F

  • Thursday

    Thursday: A chance of snow before 10am, then a slight chance of snow showers after 10am.  Mostly cloudy, with a high near 21. North northeast wind around 6 mph.  Chance of precipitation is 50%. Little or no snow accumulation expected.

    Chance Snow
    then Slight
    Chance Snow
    Showers

    High: 21 °F

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 10. North northeast wind around 8 mph.

    Partly Cloudy

    Low: 10 °F

  • Friday

    Friday: Snow likely after 10am.  Mostly cloudy, with a high near 21. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    Snow Likely

    High: 21 °F

  • Friday
    Night

    Friday Night: Snow.  Low around 13. Breezy.  Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.

    Snow and
    Breezy

    Low: 13 °F

  • Saturday

    Saturday: Snow.  Cloudy, with a high near 19. Breezy.

    Snow and
    Breezy

    High: 19 °F

Detailed Forecast

Tonight
Snow, mainly before 10pm. Low around 12. Light and variable wind becoming east 5 to 7 mph in the evening. Chance of precipitation is 90%. Total nighttime snow accumulation of 1 to 3 inches possible.
Wednesday
A 10 percent chance of snow after 4pm. Increasing clouds, with a high near 20. Light and variable wind becoming west northwest around 6 mph in the afternoon.
Wednesday Night
Snow likely, mainly between 10pm and 4am. Cloudy, with a low around 12. Northwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Thursday
A chance of snow before 10am, then a slight chance of snow showers after 10am. Mostly cloudy, with a high near 21. North northeast wind around 6 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Thursday Night
Partly cloudy, with a low around 10. North northeast wind around 8 mph.
Friday
Snow likely after 10am. Mostly cloudy, with a high near 21. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Friday Night
Snow. Low around 13. Breezy. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.
Saturday
Snow. Cloudy, with a high near 19. Breezy.
Saturday Night
Snow. Mostly cloudy, with a low around 14. Blustery.
Sunday
Snow. Cloudy, with a high near 21. Breezy.
Sunday Night
Snow showers. Cloudy, with a low around 19. Breezy.
Monday
Snow likely. Cloudy, with a high near 24.
Monday Night
A chance of snow showers. Mostly cloudy, with a low around 22.
Tuesday
A chance of snow showers. Mostly cloudy, with a high near 26.
Click Map For Forecast
Point Forecast:
Mount St Helens WA
 46.2°N 122.21°W (Elev. 6598 ft)
6:07 pm PST Feb 20, 2018
6pm PST Feb 20, 2018-6pm PST Feb 27, 2018
 
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