National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Rainfall Across the Lower Mississippi Valley and Gulf Coast; Storm System Impacting the Northwest

Periods of heavy rainfall are expected across the Lower Mississippi Valley and Gulf Coast Friday. A Slight Risk (level 2 of 4) of Excessive Rainfall has been issued for portions of the Texas and Louisiana coast. A strong Pacific storm will impact the Pacific Northwest and Great Basin Friday through the weekend, bringing high elevation snow, lower elevation rain, and strong winds. Read More >

Current conditions at

Mt. St. Helens - Coldwater (MSH33)

Lat: 46.30333°NLon: 122.26503°WElev: 3260.0ft.

NA

59°F

15°C

Humidity 48%
Wind Speed S 5 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Last update 03 May 03:00 PM PDT
Extended Forecast for

Mount St Helens WA

  • Tonight

    Tonight: Rain and snow. Snow level 6600 feet. Low around 28. Windy, with a south southeast wind 24 to 29 mph decreasing to 15 to 20 mph after midnight. Winds could gust as high as 39 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of less than one inch possible.

    Low: 28 °F

    Rain/Snow and
    Windy

  • Saturday

    Saturday: Snow. Temperature falling to around 29 by 10am. South southeast wind 6 to 11 mph becoming west in the morning. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    High: 35 °F⇓

    Snow

  • Saturday Night

    Saturday Night: Snow. The snow could be heavy at times. Low around 26. Windy, with a west wind 15 to 22 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

    Low: 26 °F

    Heavy Snow
    and Windy

  • Sunday

    Sunday: Snow before 11am, then snow showers after 11am. High near 29. Windy, with a west southwest wind 14 to 24 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    High: 29 °F

    Snow and
    Windy

  • Sunday Night

    Sunday Night: Snow showers. Low around 26. Windy, with a west southwest wind 14 to 22 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    Low: 26 °F

    Snow Showers
    and Windy

  • Monday

    Monday: Snow showers. The snow could be heavy at times. High near 28. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

    High: 28 °F

    Heavy Snow

  • Monday Night

    Monday Night: Snow showers. Some thunder is also possible. Low around 25. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    Low: 25 °F

    Snow Showers
    then Snow
    Showers
    Likely

  • Tuesday

    Tuesday: Snow showers. Cloudy, with a high near 29. Breezy.

    High: 29 °F

    Snow Showers
    and Breezy

  • Tuesday Night

    Tuesday Night: A chance of snow showers before 11pm. Mostly cloudy, with a low around 25. Breezy.

    Low: 25 °F

    Chance Snow
    Showers and
    Breezy then
    Mostly Cloudy

Detailed Forecast

Tonight
Rain and snow. Snow level 6600 feet. Low around 28. Windy, with a south southeast wind 24 to 29 mph decreasing to 15 to 20 mph after midnight. Winds could gust as high as 39 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of less than one inch possible.
Saturday
Snow. Temperature falling to around 29 by 10am. South southeast wind 6 to 11 mph becoming west in the morning. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Saturday Night
Snow. The snow could be heavy at times. Low around 26. Windy, with a west wind 15 to 22 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.
Sunday
Snow before 11am, then snow showers after 11am. High near 29. Windy, with a west southwest wind 14 to 24 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Sunday Night
Snow showers. Low around 26. Windy, with a west southwest wind 14 to 22 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Monday
Snow showers. The snow could be heavy at times. High near 28. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.
Monday Night
Snow showers. Some thunder is also possible. Low around 25. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Tuesday
Snow showers. Cloudy, with a high near 29. Breezy.
Tuesday Night
A chance of snow showers before 11pm. Mostly cloudy, with a low around 25. Breezy.
Wednesday
A slight chance of snow showers. Mostly sunny, with a high near 36.
Wednesday Night
Mostly clear, with a low around 26.
Thursday
Sunny, with a high near 48.
Thursday Night
Mostly clear, with a low around 33.
Friday
Sunny, with a high near 55.
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Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Mount St Helens WA
 46.18°N 122.18°W (Elev. 6204 ft)
Last Update:
5:41 pm PDT May 3, 2024
Forecast Valid:
6pm PDT May 3, 2024-6pm PDT May 10, 2024
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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