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

41°F

5°C

Humidity 99%
Wind Speed S 2 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Last update 21 Mar 10:52 AM PDT
Extended Forecast for

Mount St Helens WA

  • Today

    Today: Sunny, with a high near 29. Windy, with a west northwest wind 14 to 23 mph, with gusts as high as 28 mph.

    High: 29 °F

    Sunny and
    Windy

  • Tonight

    Tonight: Mostly clear, with a low around 20. Blustery, with a west northwest wind 15 to 20 mph decreasing to 9 to 14 mph in the evening. Winds could gust as high as 24 mph.

    Low: 20 °F

    Partly Cloudy
    and Blustery
    then Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 38. North wind 7 to 14 mph becoming west northwest in the morning.

    High: 38 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 24. North wind 11 to 14 mph.

    Low: 24 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 38. North wind 8 to 13 mph becoming west in the morning.

    High: 38 °F

    Partly Sunny

  • Monday Night

    Monday Night: Snow likely after 11pm.  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. The snow could be heavy at times.  High near 34. Windy.  Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    High: 34 °F

    Heavy Snow
    and Windy

  • Tuesday Night

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

    Low: 26 °F

    Snow and Very
    Windy

  • Wednesday

    Wednesday: Snow.  Cloudy, with a high near 32. Windy.

    High: 32 °F

    Snow and
    Windy

Detailed Forecast

Today
Sunny, with a high near 29. Windy, with a west northwest wind 14 to 23 mph, with gusts as high as 28 mph.
Tonight
Mostly clear, with a low around 20. Blustery, with a west northwest wind 15 to 20 mph decreasing to 9 to 14 mph in the evening. Winds could gust as high as 24 mph.
Sunday
Mostly sunny, with a high near 38. North wind 7 to 14 mph becoming west northwest in the morning.
Sunday Night
Mostly cloudy, with a low around 24. North wind 11 to 14 mph.
Monday
Partly sunny, with a high near 38. North wind 8 to 13 mph becoming west in the morning.
Monday Night
Snow likely after 11pm. Cloudy, with a low around 29. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Tuesday
Snow. The snow could be heavy at times. High near 34. Windy. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Tuesday Night
Snow. Cloudy, with a low around 26. Very windy.
Wednesday
Snow. Cloudy, with a high near 32. Windy.
Wednesday Night
Snow, mainly before 11pm. Mostly cloudy, with a low around 21. Windy.
Thursday
A chance of snow. Partly sunny, with a high near 32. Breezy.
Thursday Night
A slight chance of snow. Partly cloudy, with a low around 19. Blustery.
Friday
A slight chance of snow. Mostly sunny, with a high near 38. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Mount St Helens WA
 46.2°N 122.21°W (Elev. 6598 ft)
10:41 am PDT Mar 21, 2026
11am 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