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

Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for the Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. Read More >

Current conditions at

CANYON CREEK (CYFW1)

Lat: 45.92944°NLon: 122.20278°WElev: 2592.0ft.

NA

51°F

11°C

Humidity 89%
Wind Speed S 1 MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Last update 11 Apr 01:52 PM PDT
Extended Forecast for

Mount St Helens WA

  • This Afternoon

    This Afternoon: A 40 percent chance of snow showers, mainly after 3pm. Some thunder is also possible. Partly sunny, with a high near 38. West wind 9 to 11 mph. Total daytime snow accumulation of less than one inch possible.

    High: 38 °F

    Chance Snow
    Showers

  • Tonight

    Tonight: A 30 percent chance of snow showers, mainly before 3am. Mostly cloudy, with a low around 33. Northwest wind 7 to 9 mph becoming northeast after midnight. Little or no snow accumulation expected.

    Low: 33 °F

    Chance Snow
    Showers

  • Sunday

    Sunday: Snow showers likely, mainly after 1pm. Mostly cloudy, with a high near 37. Breezy, with a north northeast wind 8 to 13 mph becoming west northwest 16 to 21 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Chance Snow
    Showers then
    Snow Showers
    Likely and
    Breezy

  • Sunday Night

    Sunday Night: Snow showers. Low around 29. Blustery, with a west wind 17 to 21 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.

    Low: 29 °F

    Snow Showers
    and Blustery

  • Monday

    Monday: Snow showers. High near 31. Windy, with a west wind 16 to 23 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    High: 31 °F

    Snow Showers
    and Windy

  • Monday Night

    Monday Night: Snow showers likely, mainly before 11pm. Mostly cloudy, with a low around 27. Windy. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Snow Showers
    Likely and
    Windy

  • Tuesday

    Tuesday: Snow showers. The snow could be heavy at times. High near 29. Very windy. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

    High: 29 °F

    Heavy Snow
    and Very
    Windy

  • Tuesday Night

    Tuesday Night: Snow. The snow could be heavy at times. Cloudy, with a low around 24. Windy.

    Low: 24 °F

    Heavy Snow
    and Windy

  • Wednesday

    Wednesday: Snow before 11am, then snow showers after 11am. The snow could be heavy at times. Some thunder is also possible. Cloudy, with a high near 25. Breezy.

    High: 25 °F

    Heavy Snow
    and Breezy

Detailed Forecast

This Afternoon
A 40 percent chance of snow showers, mainly after 3pm. Some thunder is also possible. Partly sunny, with a high near 38. West wind 9 to 11 mph. Total daytime snow accumulation of less than one inch possible.
Tonight
A 30 percent chance of snow showers, mainly before 3am. Mostly cloudy, with a low around 33. Northwest wind 7 to 9 mph becoming northeast after midnight. Little or no snow accumulation expected.
Sunday
Snow showers likely, mainly after 1pm. Mostly cloudy, with a high near 37. Breezy, with a north northeast wind 8 to 13 mph becoming west northwest 16 to 21 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Sunday Night
Snow showers. Low around 29. Blustery, with a west wind 17 to 21 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Monday
Snow showers. High near 31. Windy, with a west wind 16 to 23 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Monday Night
Snow showers likely, mainly before 11pm. Mostly cloudy, with a low around 27. Windy. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Tuesday
Snow showers. The snow could be heavy at times. High near 29. Very windy. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.
Tuesday Night
Snow. The snow could be heavy at times. Cloudy, with a low around 24. Windy.
Wednesday
Snow before 11am, then snow showers after 11am. The snow could be heavy at times. Some thunder is also possible. Cloudy, with a high near 25. Breezy.
Wednesday Night
Snow, mainly before 11pm. Mostly cloudy, with a low around 20. Breezy.
Thursday
A chance of snow. Partly sunny, with a high near 29.
Thursday Night
A slight chance of snow. Partly cloudy, with a low around 22. Blustery.
Friday
A slight chance of snow. Mostly sunny, with a high near 35.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mount St Helens WA
 46.2°N 122.21°W (Elev. 6598 ft)
Last Update:
2:01 pm PDT Apr 11, 2026
Forecast Valid:
2pm PDT Apr 11, 2026-6pm PDT Apr 17, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation