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

Heavy Rains and Potential for Flash Floods

Severe thunderstorms with damaging winds and heavy rains will be possible from the Ohio Valley to the Northeast Tuesday. In addition, heavy rains possible in the central Plains and southern Rockies. Heavy rain threat moves into the southern Mid-Atlantic Wednesday. Dry conditions remain out west where isolated dry thunderstorms could exacerbate ongoing fires and start new fires. Read More >

Current conditions at

Mt St Helens - Coldwater (MSH33)

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

NA

58°F

14°C

Humidity 70%
Wind Speed NA
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Last update 22 Aug 6:00 am PDT
Extended Forecast for

Mount St Helens WA

  • Today

    Today: Patchy smoke. Sunny, with a high near 76. Light and variable wind becoming west 5 to 8 mph in the afternoon.

    Patchy Smoke

    High: 76 °F

  • Tonight

    Tonight: Patchy smoke before 11pm. Mostly clear, with a low around 50. Northwest wind 8 to 10 mph.

    Patchy Smoke
    then Mostly
    Clear

    Low: 50 °F

  • Wednesday

    Wednesday: Mostly sunny, with a high near 68. Northwest wind 8 to 11 mph.

    Mostly Sunny

    High: 68 °F

  • Wednesday
    Night

    Wednesday Night: A 20 percent chance of showers after 11pm.  Increasing clouds, with a low around 44. West northwest wind 8 to 11 mph.

    Slight Chance
    Showers

    Low: 44 °F

  • Thursday

    Thursday: A 30 percent chance of showers, mainly before 11am.  Partly sunny, with a high near 60. West northwest wind 5 to 8 mph.

    Chance
    Showers

    High: 60 °F

  • Thursday
    Night

    Thursday Night: A 20 percent chance of showers before 11pm.  Partly cloudy, with a low around 40.

    Slight Chance
    Showers then
    Mostly Clear

    Low: 40 °F

  • Friday

    Friday: Sunny, with a high near 67.

    Sunny

    High: 67 °F

  • Friday
    Night

    Friday Night: Clear, with a low around 47.

    Clear

    Low: 47 °F

  • Saturday

    Saturday: Sunny, with a high near 76.

    Sunny

    High: 76 °F

Detailed Forecast

Today
Patchy smoke. Sunny, with a high near 76. Light and variable wind becoming west 5 to 8 mph in the afternoon.
Tonight
Patchy smoke before 11pm. Mostly clear, with a low around 50. Northwest wind 8 to 10 mph.
Wednesday
Mostly sunny, with a high near 68. Northwest wind 8 to 11 mph.
Wednesday Night
A 20 percent chance of showers after 11pm. Increasing clouds, with a low around 44. West northwest wind 8 to 11 mph.
Thursday
A 30 percent chance of showers, mainly before 11am. Partly sunny, with a high near 60. West northwest wind 5 to 8 mph.
Thursday Night
A 20 percent chance of showers before 11pm. Partly cloudy, with a low around 40.
Friday
Sunny, with a high near 67.
Friday Night
Clear, with a low around 47.
Saturday
Sunny, with a high near 76.
Saturday Night
Clear, with a low around 53.
Sunday
Patchy smoke. Sunny, with a high near 81.
Sunday Night
Patchy smoke. Clear, with a low around 54.
Monday
Patchy smoke. Sunny, with a high near 81.
Click Map For Forecast
Point Forecast:
Mount St Helens WA
 46.2°N 122.18°W (Elev. 5997 ft)
5:50 am PDT Aug 22, 2017
7am PDT Aug 22, 2017-6pm PDT Aug 28, 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