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 84%
Wind Speed NNE 0 MPH
Barometer NA
Dewpoint N/A
Visibility NA
Last update 30 Aug 07:00 PM PDT
Extended Forecast for

Mount St Helens WA

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 50. East northeast wind around 6 mph.

    Low: 50 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 61. East wind around 6 mph becoming calm.

    High: 61 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 46. West wind 3 to 6 mph.

    Low: 46 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 55. West wind around 6 mph becoming south southeast in the morning.

    High: 55 °F

    Sunny

  • Saturday Night

    Saturday Night: Rain likely after 11pm. Increasing clouds, with a low around 43. West wind 5 to 9 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 43 °F

    Rain Likely

  • Sunday

    Sunday: Rain before 11am, then a chance of rain and snow between 11am and 2pm, then a chance of rain after 2pm. Snow level 9700 feet lowering to 7400 feet in the afternoon . High near 46. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 46 °F

    Rain/Snow
    then Chance
    Rain/Snow

  • Sunday Night

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

    Low: 41 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 50. East northeast wind around 6 mph.
Friday
Sunny, with a high near 61. East wind around 6 mph becoming calm.
Friday Night
Mostly clear, with a low around 46. West wind 3 to 6 mph.
Saturday
Sunny, with a high near 55. West wind around 6 mph becoming south southeast in the morning.
Saturday Night
Rain likely after 11pm. Increasing clouds, with a low around 43. West wind 5 to 9 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Rain before 11am, then a chance of rain and snow between 11am and 2pm, then a chance of rain after 2pm. Snow level 9700 feet lowering to 7400 feet in the afternoon . High near 46. Chance of precipitation is 80%. Little or no snow accumulation expected.
Sunday Night
Mostly clear, with a low around 41.
Monday
Sunny, with a high near 55.
Monday Night
Mostly clear, with a low around 48.
Tuesday
Sunny, with a high near 63.
Tuesday Night
A slight chance of rain. Partly cloudy, with a low around 51.
Wednesday
A chance of rain. Partly sunny, with a high near 56.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 45.
Thursday
A chance of rain and snow. Partly sunny, with a high near 47.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mount St Helens WA
 46.2°N 122.21°W (Elev. 6598 ft)
Last Update:
12:41 am PDT Sep 19, 2025
Forecast Valid:
12am PDT Sep 19, 2025-6pm PDT Sep 25, 2025
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation