Winter Storm System To Bring Widespread Impacts Across the Eastern Half of the U.S. Through Midweek

A developing winter storm system will bring a swath of heavy snow and ice from Oklahoma into the Midwest, Ohio Valley, Mid Atlantic, and the Northeast U.S. Tuesday through Wednesday. Areas of dangerous travel are likely. Further South, several inches of heavy rain will lead to the potential for flooding in the lower Mississippi and Tennessee River Valleys. Read More >

Current conditions at

Mt St Helens - Coldwater (MSH33)

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

NA

30°F

-1°C

Humidity 96%
Wind Speed NW 1 G 7 MPH
Barometer NA
Dewpoint 29°F (-2°C)
Visibility NA
Last update 19 Feb 12:00 am PST
Extended Forecast for

Mount St Helens WA

Winter Weather Advisory February 19, 04:00pm until February 20, 04:00pm
Click here for hazard details and duration
Winter Weather Advisory
  • Overnight

    Overnight: A slight chance of snow showers before 4am, then a chance of snow after 4am.  Mostly cloudy, with a low around 20. West northwest wind around 14 mph, with gusts as high as 21 mph.  Chance of precipitation is 30%. Total nighttime snow accumulation of less than a half inch possible.

    Chance Snow

    Low: 20 °F

  • Tuesday

    Tuesday: Snow, mainly after 10am.  High near 27. Breezy, with a west wind around 17 mph, with gusts as high as 30 mph.  Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    Snow and
    Breezy

    High: 27 °F

  • Tuesday
    Night

    Tuesday Night: Snow.  Low around 20. Blustery, with a west northwest wind 16 to 21 mph, with gusts as high as 29 mph.  Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

    Snow and
    Blustery

    Low: 20 °F

  • Wednesday

    Wednesday: Snow showers, mainly before 4pm.  High near 25. West northwest wind 8 to 13 mph becoming light northwest  in the morning.  Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Snow Showers

    High: 25 °F

  • Wednesday
    Night

    Wednesday Night: A 30 percent chance of snow showers, mainly before 10pm.  Mostly cloudy, with a low around 22. North wind around 5 mph becoming east northeast in the evening.  New snow accumulation of less than a half inch possible.

    Chance Snow
    Showers

    Low: 22 °F

  • Thursday

    Thursday: Partly sunny, with a high near 26.

    Partly Sunny

    High: 26 °F

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 16.

    Partly Cloudy

    Low: 16 °F

  • Friday

    Friday: A chance of snow.  Partly sunny, with a high near 27.

    Chance Snow

    High: 27 °F

  • Friday
    Night

    Friday Night: Snow.  Cloudy, with a low around 19. Breezy.

    Snow and
    Breezy

    Low: 19 °F

Detailed Forecast

Overnight
A slight chance of snow showers before 4am, then a chance of snow after 4am. Mostly cloudy, with a low around 20. West northwest wind around 14 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. Total nighttime snow accumulation of less than a half inch possible.
Tuesday
Snow, mainly after 10am. High near 27. Breezy, with a west wind around 17 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Tuesday Night
Snow. Low around 20. Blustery, with a west northwest wind 16 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.
Wednesday
Snow showers, mainly before 4pm. High near 25. West northwest wind 8 to 13 mph becoming light northwest in the morning. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Wednesday Night
A 30 percent chance of snow showers, mainly before 10pm. Mostly cloudy, with a low around 22. North wind around 5 mph becoming east northeast in the evening. New snow accumulation of less than a half inch possible.
Thursday
Partly sunny, with a high near 26.
Thursday Night
Partly cloudy, with a low around 16.
Friday
A chance of snow. Partly sunny, with a high near 27.
Friday Night
Snow. Cloudy, with a low around 19. Breezy.
Saturday
Snow. Cloudy, with a high near 27.
Saturday Night
Snow showers likely. Cloudy, with a low around 19. Breezy.
Sunday
Snow showers likely. Cloudy, with a high near 27. Breezy.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 18.
Monday
A chance of snow. Mostly cloudy, with a high near 27.
Click Map For Forecast
Point Forecast:
Mount St Helens WA
 46.2°N 122.18°W (Elev. 5997 ft)
12:01 am PST Feb 19, 2019
1am PST Feb 19, 2019-6pm PST Feb 25, 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