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

Significant Severe Weather in the Upper Midwest; Blizzard Conditions in the Cascades; Heavy Rain and Thunderstorms in Hawaii

Significant severe thunderstorms, including the risk for strong to intense tornadoes, are expected across the Upper Midwest this afternoon and evening. An atmospheric river will bring blizzard conditions to the northern Cascades. A powerful Kona storm is expected to impact Hawaii today into Saturday, bringing heavy rainfall and strong winds. Read More >

Hazardous Weather Conditions

Current conditions at

CANYON CREEK (CYFW1)

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

NA

35°F

2°C

Humidity 92%
Wind Speed SSE 2 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Last update 10 Mar 11:52 AM PDT
Extended Forecast for

Mount St Helens WA

Winter Weather Advisory March 10, 12:39pm until March 10, 05:00pm
Winter Storm Warning March 10, 05:00pm until March 11, 05:00pm
Click here for hazard details and duration
Winter Weather Advisory
Winter Storm Warning
  •  
    Winter Weather Advisory March 10, 12:39pm until March 10, 05:00pm

    NOW until 5:00pm Tue

    Winter Weather Advisory

  • This Afternoon

    High: 22 °F

    Heavy Snow
    and Breezy

  • Tonight

    Tonight: Snow. The snow could be heavy at times. Low around 22. Breezy, with a west southwest wind 15 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New snow accumulation of 11 to 17 inches possible.

    Low: 22 °F

    Heavy Snow
    and Breezy

  • Wednesday

    Wednesday: Snow. The snow could be heavy at times. High near 33. Windy, with a southwest wind 15 to 20 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 39 mph. Chance of precipitation is 100%. New snow accumulation of 26 to 32 inches possible.

    High: 33 °F

    Heavy Snow
    and Windy

  • Wednesday Night

    Wednesday Night: Snow. The snow could be heavy at times. Low around 25. Very windy, with a southwest wind 30 to 32 mph, with gusts as high as 48 mph. Chance of precipitation is 100%. New snow accumulation of 20 to 26 inches possible.

    Low: 25 °F

    Heavy Snow
    and Very
    Windy

  • Thursday

    Thursday: Snow. The snow could be heavy at times. High near 28. Windy, with a west wind 16 to 25 mph, with gusts as high as 39 mph. Chance of precipitation is 100%. New snow accumulation of 12 to 18 inches possible.

    High: 28 °F

    Heavy Snow
    and Windy

  • Thursday Night

    Thursday Night: Snow. The snow could be heavy at times. Low around 26. Breezy. Chance of precipitation is 100%. New snow accumulation of 11 to 17 inches possible.

    Low: 26 °F

    Heavy Snow
    and Breezy

  • Friday

    Friday: Snow. The snow could be heavy at times. High near 30. Breezy. Chance of precipitation is 100%. New snow accumulation of 14 to 20 inches possible.

    High: 30 °F

    Heavy Snow
    and Breezy

  • Friday Night

    Friday Night: Snow. The snow could be heavy at times. Cloudy, with a low around 20. Breezy.

    Low: 20 °F

    Heavy Snow
    and Breezy

Detailed Forecast

This Afternoon
Snow, mainly after 2pm. The snow could be heavy at times. High near 22. Breezy, with a southwest wind 16 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 4 to 8 inches possible.
Tonight
Snow. The snow could be heavy at times. Low around 22. Breezy, with a west southwest wind 15 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New snow accumulation of 11 to 17 inches possible.
Wednesday
Snow. The snow could be heavy at times. High near 33. Windy, with a southwest wind 15 to 20 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 39 mph. Chance of precipitation is 100%. New snow accumulation of 26 to 32 inches possible.
Wednesday Night
Snow. The snow could be heavy at times. Low around 25. Very windy, with a southwest wind 30 to 32 mph, with gusts as high as 48 mph. Chance of precipitation is 100%. New snow accumulation of 20 to 26 inches possible.
Thursday
Snow. The snow could be heavy at times. High near 28. Windy, with a west wind 16 to 25 mph, with gusts as high as 39 mph. Chance of precipitation is 100%. New snow accumulation of 12 to 18 inches possible.
Thursday Night
Snow. The snow could be heavy at times. Low around 26. Breezy. Chance of precipitation is 100%. New snow accumulation of 11 to 17 inches possible.
Friday
Snow. The snow could be heavy at times. High near 30. Breezy. Chance of precipitation is 100%. New snow accumulation of 14 to 20 inches possible.
Friday Night
Snow. The snow could be heavy at times. Cloudy, with a low around 20. Breezy.
Saturday
Snow. Mostly cloudy, with a high near 27. Blustery.
Saturday Night
A chance of snow, mainly before 11pm. Mostly cloudy, with a low around 19. Blustery.
Sunday
Snow likely. Mostly cloudy, with a high near 31.
Sunday Night
Rain and snow likely. Mostly cloudy, with a low around 29.
Monday
Rain and snow likely. Snow level 7600 feet. Mostly cloudy, with a high near 39.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mount St Helens WA
 46.2°N 122.18°W (Elev. 5997 ft)
Last Update:
11:41 am PDT Mar 10, 2026
Forecast Valid:
12pm PDT Mar 10, 2026-6pm PDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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