Notice of NWS' New Version of Forecast
A new version of Forecast is coming soon!
Click here to visit the new site for details.

Severe Thunderstorms and Heavy Rain Exacerbate Ongoing Flooding; Cold and Wintry Continue Out West

A developing wave will bring a threat of severe thunderstorms Saturday from the Arklatex area to the Middle Mississippi Valley; and may produce tornadoes, damaging winds, and large hail; including potential for significant tornadoes and very large hail. Additional heavy rain will increase ongoing flooding. Heavy western mountain and Upper Midwest snow; and ice in the Northeast is also expected. Read More >

Current conditions at

Mt St Helens - Coldwater (MSH33)

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

NA

23°F

-5°C

Humidity 91%
Wind Speed ESE 0 G 3 MPH
Barometer NA
Dewpoint 21°F (-6°C)
Visibility NA
Last update 21 Feb 11:00 pm PST
Extended Forecast for

6 Miles NE Mount St Helens WA

Winter Storm Watch February 25, 04:00am until February 26, 12:00am
Winter Weather Advisory February 23, 06:00pm until February 25, 04:00am
Click here for hazard details and duration
Winter Storm Watch
Winter Weather Advisory
  • This
    Afternoon

    This Afternoon: Snow.  High near 24. South wind around 15 mph, with gusts as high as 23 mph.  Chance of precipitation is 100%. Total daytime snow accumulation of 1 to 3 inches possible.

    Snow

    High: 24 °F

  • Tonight

    Tonight: Snow.  Temperature rising to around 26 by 3am. Southwest wind 14 to 16 mph, with gusts as high as 25 mph.  Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

    Snow

    Low: 23 °F

  • Saturday

    Saturday: Snow before 10am, then snow showers after 10am.  High near 28. West northwest wind around 20 mph, with gusts as high as 32 mph.  Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    Snow

    High: 28 °F

  • Saturday
    Night

    Saturday Night: Snow showers before 10pm, then snow after 10pm.  Low around 27. West southwest wind 11 to 17 mph, with gusts as high as 26 mph.  Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.

    Snow Showers

    Low: 27 °F

  • Sunday

    Sunday: Snow before 10am, then snow showers after 10am.  High near 30. West southwest wind around 16 mph, with gusts as high as 25 mph.  Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

    Snow

    High: 30 °F

  • Sunday
    Night

    Sunday Night: Snow showers, mainly before 4am.  Low around 22. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Snow Showers

    Low: 22 °F

  • Monday

    Monday: Snow showers likely, mainly after 10am.  Mostly cloudy, with a high near 30. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Snow Showers
    Likely

    High: 30 °F

  • Monday
    Night

    Monday Night: A chance of snow.  Mostly cloudy, with a low around 22.

    Chance Snow

    Low: 22 °F

  • Tuesday

    Tuesday: Snow likely.  Cloudy, with a high near 30.

    Snow Likely

    High: 30 °F

Detailed Forecast

This Afternoon
Snow. High near 24. South wind around 15 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 1 to 3 inches possible.
Tonight
Snow. Temperature rising to around 26 by 3am. Southwest wind 14 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.
Saturday
Snow before 10am, then snow showers after 10am. High near 28. West northwest wind around 20 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Saturday Night
Snow showers before 10pm, then snow after 10pm. Low around 27. West southwest wind 11 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.
Sunday
Snow before 10am, then snow showers after 10am. High near 30. West southwest wind around 16 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.
Sunday Night
Snow showers, mainly before 4am. Low around 22. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Monday
Snow showers likely, mainly after 10am. Mostly cloudy, with a high near 30. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Monday Night
A chance of snow. Mostly cloudy, with a low around 22.
Tuesday
Snow likely. Cloudy, with a high near 30.
Tuesday Night
Snow likely. Cloudy, with a low around 25.
Wednesday
Snow likely. Cloudy, with a high near 30.
Wednesday Night
Snow likely. Cloudy, with a low around 24.
Thursday
A chance of snow. Cloudy, with a high near 29.
Thursday Night
A chance of snow showers. Mostly cloudy, with a low around 25.
Friday
A chance of snow showers. Mostly cloudy, with a high near 31.
Click Map For Forecast
Point Forecast:
6 Miles NE Mount St Helens WA
 46.26°N 122.11°W (Elev. 3816 ft)
3:12 pm PST Feb 23, 2018
5pm PST Feb 23, 2018-6pm PST Mar 2, 2018
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database