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

17 Miles S Mossyrock WA

  • This Afternoon

    This Afternoon: A chance of showers before 4pm, then a chance of showers after 5pm. Partly sunny, with a high near 53. North northwest wind around 6 mph. Chance of precipitation is 30%.

    High: 53 °F

    Chance
    Showers

  • Tonight

    Tonight: A 30 percent chance of showers, mainly before 7pm. Partly cloudy, with a low around 43. North northwest wind 6 to 8 mph becoming northeast after midnight.

    Low: 43 °F

    Chance
    Showers then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 58. North northwest wind 3 to 7 mph.

    High: 58 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 46. North wind 6 to 8 mph becoming east in the evening.

    Low: 46 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 63. East wind 5 to 9 mph becoming light and variable in the afternoon.

    High: 63 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 49. Breezy.

    Low: 49 °F

    Clear then
    Clear and
    Breezy

  • Tuesday

    Tuesday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers, mainly after 11am. Mostly sunny, with a high near 53.

    High: 53 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
A chance of showers before 4pm, then a chance of showers after 5pm. Partly sunny, with a high near 53. North northwest wind around 6 mph. Chance of precipitation is 30%.
Tonight
A 30 percent chance of showers, mainly before 7pm. Partly cloudy, with a low around 43. North northwest wind 6 to 8 mph becoming northeast after midnight.
Sunday
Sunny, with a high near 58. North northwest wind 3 to 7 mph.
Sunday Night
Clear, with a low around 46. North wind 6 to 8 mph becoming east in the evening.
Monday
Sunny, with a high near 63. East wind 5 to 9 mph becoming light and variable in the afternoon.
Monday Night
Clear, with a low around 49. Breezy.
Tuesday
Sunny, with a high near 65.
Tuesday Night
Mostly clear, with a low around 44.
Wednesday
A chance of showers, mainly after 11am. Mostly sunny, with a high near 53.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 45.
Thursday
A chance of showers. Mostly sunny, with a high near 59.
Thursday Night
A chance of showers. Partly cloudy, with a low around 48.
Friday
A slight chance of showers. Mostly sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
17 Miles S Mossyrock WA
 46.28°N 122.55°W (Elev. 2382 ft)
Last Update:
2:00 pm PDT Oct 4, 2025
Forecast Valid:
2pm 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