Notice of NWS' New Version of Forecast
A new version of Forecast is coming soon!
Click here to visit the new site for details.

Severe Thunderstorms and Heavy Rain in Upper Midwest

A slow moving frontal boundary from the central Pains to the Upper Midwest will bring a potential for severe thunderstorms and heavy rain. Rain amounts of 1-3 inches, with locally heavier amounts can be expected. The threat of severe weather moves into the Ohio Valley and Northeast on Tuesday. Monsoon moisture continues to bring the threat of flash flooding to the Southwest and southern Rockies. Read More >

Current conditions at

Mt St Helens - Coldwater (MSH33)

Lat: 46.30333°NLon: 122.26503°WElev: 3260ft.

NA

59°F

15°C

Humidity 77%
Wind Speed NNE 0 G 3 MPH
Barometer NA
Dewpoint 52°F (11°C)
Visibility NA
Last update 20 Aug 9:00 pm PDT
Extended Forecast for

8 Miles W Mount St Helens WA

  • Tonight

    Tonight: Mostly clear, with a low around 53. North northeast wind 9 to 14 mph, with gusts as high as 21 mph.

    Mostly Clear

    Low: 53 °F

  • Monday

    Monday: Sunny, with a high near 78. Northeast wind around 6 mph becoming calm  in the afternoon.

    Sunny

    High: 78 °F

  • Monday
    Night

    Monday Night: Clear, with a low around 60. North northwest wind around 7 mph becoming east southeast in the evening.

    Clear

    Low: 60 °F

  • Tuesday

    Tuesday: Sunny, with a high near 78. Southeast wind 5 to 7 mph becoming west in the morning.

    Sunny

    High: 78 °F

  • Tuesday
    Night

    Tuesday Night: Mostly clear, with a low around 56. Northwest wind 3 to 8 mph.

    Mostly Clear

    Low: 56 °F

  • Wednesday

    Wednesday: Mostly sunny, with a high near 71.

    Mostly Sunny

    High: 71 °F

  • Wednesday
    Night

    Wednesday Night: A 30 percent chance of showers after 11pm.  Mostly cloudy, with a low around 50.

    Chance
    Showers

    Low: 50 °F

  • Thursday

    Thursday: A chance of showers, mainly before 11am.  Mostly cloudy, with a high near 65.

    Chance
    Showers

    High: 65 °F

  • Thursday
    Night

    Thursday Night: A slight chance of showers before 11pm.  Mostly cloudy, with a low around 47.

    Slight Chance
    Showers then
    Mostly Cloudy

    Low: 47 °F

Detailed Forecast

Tonight
Mostly clear, with a low around 53. North northeast wind 9 to 14 mph, with gusts as high as 21 mph.
Monday
Sunny, with a high near 78. Northeast wind around 6 mph becoming calm in the afternoon.
Monday Night
Clear, with a low around 60. North northwest wind around 7 mph becoming east southeast in the evening.
Tuesday
Sunny, with a high near 78. Southeast wind 5 to 7 mph becoming west in the morning.
Tuesday Night
Mostly clear, with a low around 56. Northwest wind 3 to 8 mph.
Wednesday
Mostly sunny, with a high near 71.
Wednesday Night
A 30 percent chance of showers after 11pm. Mostly cloudy, with a low around 50.
Thursday
A chance of showers, mainly before 11am. Mostly cloudy, with a high near 65.
Thursday Night
A slight chance of showers before 11pm. Mostly cloudy, with a low around 47.
Friday
Mostly sunny, with a high near 69.
Friday Night
Mostly clear, with a low around 51.
Saturday
Sunny, with a high near 80.
Saturday Night
Clear, with a low around 58.
Sunday
Sunny, with a high near 80.
Click Map For Forecast
Point Forecast:
8 Miles W Mount St Helens WA
 46.2°N 122.37°W (Elev. 3205 ft)
9:24 pm PDT Aug 20, 2017
10pm PDT Aug 20, 2017-6pm PDT Aug 27, 2017
 
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