National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Mt. St. Helens - Coldwater (MSH33)

Lat: 46.30333°NLon: 122.26503°WElev: 3260.0ft.

NA

N/A

Humidity 73%
Wind Speed E 0 MPH
Barometer NA
Dewpoint N/A
Visibility NA
Last update 29 Sep 12:00 AM PDT
Extended Forecast for

Mount St Helens WA

  • This Afternoon

    This Afternoon: A 20 percent chance of showers between 4pm and 5pm. Snow level 7100 feet. Mostly sunny, with a high near 48. West northwest wind 3 to 6 mph.

    High: 48 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Showers likely, mainly after 10pm. Snow level 6900 feet rising to 7400 feet after midnight. Increasing clouds, with a low around 42. West northwest wind 5 to 7 mph. Chance of precipitation is 70%.

    Low: 42 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers. Snow level 7600 feet lowering to 7000 feet in the afternoon . High near 44. West northwest wind around 7 mph. Chance of precipitation is 80%.

    High: 44 °F

    Showers

  • Saturday Night

    Saturday Night: A 50 percent chance of showers before 11pm. Snow level 6800 feet lowering to 6300 feet after midnight . Mostly cloudy, with a low around 39. West northwest wind 5 to 7 mph becoming north northeast after midnight.

    Low: 39 °F

    Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 51. East northeast wind 5 to 9 mph becoming calm in the morning.

    High: 51 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 41. Breezy.

    Low: 41 °F

    Mostly Clear
    then Clear
    and Breezy

  • Monday

    Monday: Sunny, with a high near 55. Breezy.

    High: 55 °F

    Sunny and
    Breezy then
    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 44. Breezy.

    Low: 44 °F

    Clear and
    Breezy

  • Tuesday

    Tuesday: Sunny, with a high near 57. Breezy.

    High: 57 °F

    Sunny and
    Breezy then
    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers between 4pm and 5pm. Snow level 7100 feet. Mostly sunny, with a high near 48. West northwest wind 3 to 6 mph.
Tonight
Showers likely, mainly after 10pm. Snow level 6900 feet rising to 7400 feet after midnight. Increasing clouds, with a low around 42. West northwest wind 5 to 7 mph. Chance of precipitation is 70%.
Saturday
Showers. Snow level 7600 feet lowering to 7000 feet in the afternoon . High near 44. West northwest wind around 7 mph. Chance of precipitation is 80%.
Saturday Night
A 50 percent chance of showers before 11pm. Snow level 6800 feet lowering to 6300 feet after midnight . Mostly cloudy, with a low around 39. West northwest wind 5 to 7 mph becoming north northeast after midnight.
Sunday
Sunny, with a high near 51. East northeast wind 5 to 9 mph becoming calm in the morning.
Sunday Night
Mostly clear, with a low around 41. Breezy.
Monday
Sunny, with a high near 55. Breezy.
Monday Night
Clear, with a low around 44. Breezy.
Tuesday
Sunny, with a high near 57. Breezy.
Tuesday Night
Partly cloudy, with a low around 43.
Wednesday
A chance of rain and snow showers. Snow level 6600 feet. Partly sunny, with a high near 52.
Wednesday Night
A chance of rain and snow showers. Snow level 6700 feet. Mostly cloudy, with a low around 42.
Thursday
A chance of rain and snow showers. Snow level 6700 feet. Partly sunny, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mount St Helens WA
 46.21°N 122.15°W (Elev. 5259 ft)
Last Update:
11:41 am PDT Oct 3, 2025
Forecast Valid:
12pm PDT Oct 3, 2025-6pm PDT Oct 9, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation