Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

CANYON CREEK (CYFW1)

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

NA

38°F

3°C

Humidity 100%
Wind Speed SE 2 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Last update 21 Mar 09:52 AM PDT
Extended Forecast for

Mount St Helens WA

  • Today

    Today: Sunny, with a high near 31. Breezy, with a west wind 11 to 21 mph, with gusts as high as 28 mph.

    High: 31 °F

    Sunny then
    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 22. Blustery, with a west northwest wind 8 to 17 mph, with gusts as high as 23 mph.

    Low: 22 °F

    Mostly Clear
    and Blustery
    then Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 39. West wind 6 to 11 mph.

    High: 39 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 25. South southwest wind 9 to 11 mph becoming north in the evening.

    Low: 25 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 39. West wind 7 to 11 mph.

    High: 39 °F

    Partly Sunny

  • Monday Night

    Monday Night: Snow likely after 11pm.  Mostly cloudy, with a low around 29. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 29 °F

    Snow Likely

  • Tuesday

    Tuesday: Snow before 2pm, then rain and snow. The snow could be heavy at times.  High near 35. Windy.  Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    High: 35 °F

    Heavy Snow
    and Breezy
    then
    Rain/Snow and
    Windy

  • Tuesday Night

    Tuesday Night: Snow.  Cloudy, with a low around 26. Windy.

    Low: 26 °F

    Snow and
    Windy

  • Wednesday

    Wednesday: Snow.  Cloudy, with a high near 33. Windy.

    High: 33 °F

    Snow and
    Windy

Detailed Forecast

Today
Sunny, with a high near 31. Breezy, with a west wind 11 to 21 mph, with gusts as high as 28 mph.
Tonight
Mostly clear, with a low around 22. Blustery, with a west northwest wind 8 to 17 mph, with gusts as high as 23 mph.
Sunday
Mostly sunny, with a high near 39. West wind 6 to 11 mph.
Sunday Night
Mostly cloudy, with a low around 25. South southwest wind 9 to 11 mph becoming north in the evening.
Monday
Partly sunny, with a high near 39. West wind 7 to 11 mph.
Monday Night
Snow likely after 11pm. Mostly cloudy, with a low around 29. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Tuesday
Snow before 2pm, then rain and snow. The snow could be heavy at times. High near 35. Windy. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Tuesday Night
Snow. Cloudy, with a low around 26. Windy.
Wednesday
Snow. Cloudy, with a high near 33. Windy.
Wednesday Night
Snow, mainly before 11pm. Mostly cloudy, with a low around 22. Windy.
Thursday
A chance of snow. Partly sunny, with a high near 33. Breezy.
Thursday Night
A slight chance of snow. Partly cloudy, with a low around 20. Blustery.
Friday
A slight chance of snow. Mostly sunny, with a high near 39. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Mount St Helens WA
 46.18°N 122.18°W (Elev. 6204 ft)
10:41 am PDT Mar 21, 2026
10am PDT Mar 21, 2026-6pm PDT Mar 27, 2026
 
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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