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

  • Overnight

    Overnight: A 30 percent chance of showers, mainly before 4am. Snow level 7500 feet. Mostly cloudy, with a low around 38. Northwest wind around 6 mph.

    Low: 38 °F

    Chance
    Showers

  • Saturday

    Saturday: A 50 percent chance of showers. Snow level 7000 feet. Partly sunny, with a high near 41. Northwest wind 5 to 7 mph.

    High: 41 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A slight chance of rain and snow showers before 7pm. Snow level 6500 feet. Mostly clear, with a low around 35. North northwest wind 5 to 10 mph becoming east northeast after midnight. Chance of precipitation is 10%.

    Low: 35 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 46. East northeast wind 6 to 11 mph becoming light east in the afternoon.

    High: 46 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 38. Breezy, with a light north northeast wind becoming east 12 to 17 mph in the evening. Winds could gust as high as 22 mph.

    Low: 38 °F

    Clear then
    Clear and
    Breezy

  • Monday

    Monday: Sunny, with a high near 51. Breezy.

    High: 51 °F

    Sunny and
    Breezy then
    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 43. Windy.

    Low: 43 °F

    Clear and
    Windy

  • Tuesday

    Tuesday: Sunny, with a high near 53. Windy.

    High: 53 °F

    Sunny and
    Windy then
    Sunny

  • Tuesday Night

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

    Low: 41 °F

    Mostly Clear

Detailed Forecast

Overnight
A 30 percent chance of showers, mainly before 4am. Snow level 7500 feet. Mostly cloudy, with a low around 38. Northwest wind around 6 mph.
Saturday
A 50 percent chance of showers. Snow level 7000 feet. Partly sunny, with a high near 41. Northwest wind 5 to 7 mph.
Saturday Night
A slight chance of rain and snow showers before 7pm. Snow level 6500 feet. Mostly clear, with a low around 35. North northwest wind 5 to 10 mph becoming east northeast after midnight. Chance of precipitation is 10%.
Sunday
Sunny, with a high near 46. East northeast wind 6 to 11 mph becoming light east in the afternoon.
Sunday Night
Clear, with a low around 38. Breezy, with a light north northeast wind becoming east 12 to 17 mph in the evening. Winds could gust as high as 22 mph.
Monday
Sunny, with a high near 51. Breezy.
Monday Night
Clear, with a low around 43. Windy.
Tuesday
Sunny, with a high near 53. Windy.
Tuesday Night
Mostly clear, with a low around 41.
Wednesday
A chance of rain and snow after 11am. Snow level 6400 feet. Mostly sunny, with a high near 47.
Wednesday Night
A chance of rain and snow. Snow level 6800 feet. Mostly cloudy, with a low around 41.
Thursday
A chance of rain and snow. Snow level 6900 feet rising to 7400 feet in the afternoon. Mostly sunny, with a high near 53.
Thursday Night
A chance of rain and snow. Snow level 7900 feet. Partly cloudy, with a low around 44.
Friday
A chance of rain and snow. Snow level 7700 feet. Mostly sunny, with a high near 50.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mount St Helens WA
 46.18°N 122.18°W (Elev. 6204 ft)
Last Update:
2:46 am PDT Oct 4, 2025
Forecast Valid:
3am PDT Oct 4, 2025-6pm PDT Oct 10, 2025
 
Forecast Discussion
 
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Additional Resources

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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