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

57°F

14°C

Humidity 65%
Wind Speed ENE 0 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Last update 28 Sep 10:00 PM PDT
Extended Forecast for

3 Miles E Mount St Helens WA

  • Tonight

    Tonight: A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 51. South southwest wind around 6 mph.

    Low: 51 °F

    Slight Chance
    Rain

  • Monday

    Monday: Rain, mainly before 4pm. High near 52. South wind 5 to 7 mph becoming calm in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 52 °F

    Rain

  • Monday Night

    Monday Night: Rain, mainly before 11pm. Low around 47. Calm wind becoming south 5 to 7 mph after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 47 °F

    Rain then
    Chance Rain

  • Tuesday

    Tuesday: Rain likely, mainly after 11am. Mostly cloudy, with a high near 51. South wind 6 to 8 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 51 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: Rain. Low around 46. South wind 6 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 46 °F

    Rain

  • Wednesday

    Wednesday: Rain before 11am, then showers and possibly a thunderstorm after 11am. High near 49. Chance of precipitation is 90%.

    High: 49 °F

    Showers

  • Wednesday Night

    Wednesday Night: Rain. Low around 47. Chance of precipitation is 80%.

    Low: 47 °F

    Rain

  • Thursday

    Thursday: Rain before 11am, then showers and possibly a thunderstorm after 11am. Cloudy, with a high near 50.

    High: 50 °F

    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 11pm, then a chance of rain after 11pm. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Showers

Detailed Forecast

Tonight
A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 51. South southwest wind around 6 mph.
Monday
Rain, mainly before 4pm. High near 52. South wind 5 to 7 mph becoming calm in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
Rain, mainly before 11pm. Low around 47. Calm wind becoming south 5 to 7 mph after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Rain likely, mainly after 11am. Mostly cloudy, with a high near 51. South wind 6 to 8 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Rain. Low around 46. South wind 6 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday
Rain before 11am, then showers and possibly a thunderstorm after 11am. High near 49. Chance of precipitation is 90%.
Wednesday Night
Rain. Low around 47. Chance of precipitation is 80%.
Thursday
Rain before 11am, then showers and possibly a thunderstorm after 11am. Cloudy, with a high near 50.
Thursday Night
Showers and possibly a thunderstorm before 11pm, then a chance of rain after 11pm. Mostly cloudy, with a low around 47.
Friday
Rain likely, mainly after 11am. Mostly cloudy, with a high near 52.
Friday Night
A chance of rain. Mostly cloudy, with a low around 46.
Saturday
A chance of rain. Partly sunny, with a high near 52.
Saturday Night
A slight chance of rain. Partly cloudy, with a low around 44.
Sunday
A slight chance of rain. Mostly sunny, with a high near 56.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Mount St Helens WA
 46.19°N 122.12°W (Elev. 3668 ft)
Last Update:
10:41 pm PDT Sep 28, 2025
Forecast Valid:
11pm PDT Sep 28, 2025-6pm PDT Oct 5, 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