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

40°F

4°C

Humidity 100%
Wind Speed W 1 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Last update 21 Mar 04:52 AM PDT
Extended Forecast for

Mount St Helens WA

  • Overnight

    Overnight: A 20 percent chance of snow.  Mostly cloudy, with a low around 24. West wind around 14 mph, with gusts as high as 18 mph.

    Low: 24 °F

    Slight Chance
    Snow

  • Saturday

    Saturday: Sunny, with a high near 31. Blustery, with a west wind 10 to 18 mph, with gusts as high as 24 mph.

    High: 31 °F

    Sunny then
    Sunny and
    Blustery

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 22. Blustery, with a west northwest wind 7 to 15 mph, with gusts as high as 21 mph.

    Low: 22 °F

    Mostly Clear
    and Blustery
    then Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 39. West northwest wind 6 to 10 mph.

    High: 39 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 25. North wind 10 to 14 mph, with gusts as high as 18 mph.

    Low: 25 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

  • Monday Night

    Monday Night: Snow likely, mainly 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.  Cloudy, with a high near 35. Windy.

    High: 35 °F

    Snow and
    Windy

  • Tuesday Night

    Tuesday Night: Rain and snow. The snow could be heavy at times.  Cloudy, with a low around 26. Windy.

    Low: 26 °F

    Rain/Snow and
    Windy

Detailed Forecast

Overnight
A 20 percent chance of snow. Mostly cloudy, with a low around 24. West wind around 14 mph, with gusts as high as 18 mph.
Saturday
Sunny, with a high near 31. Blustery, with a west wind 10 to 18 mph, with gusts as high as 24 mph.
Saturday Night
Mostly clear, with a low around 22. Blustery, with a west northwest wind 7 to 15 mph, with gusts as high as 21 mph.
Sunday
Mostly sunny, with a high near 39. West northwest wind 6 to 10 mph.
Sunday Night
Partly cloudy, with a low around 25. North wind 10 to 14 mph, with gusts as high as 18 mph.
Monday
Partly sunny, with a high near 39.
Monday Night
Snow likely, mainly 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. Cloudy, with a high near 35. Windy.
Tuesday Night
Rain and snow. The snow could be heavy at times. Cloudy, with a low around 26. Windy.
Wednesday
Snow. The snow could be heavy at times. Cloudy, with a high near 33. Breezy.
Wednesday Night
Snow. Mostly cloudy, with a low around 22. Windy.
Thursday
Snow likely. Partly sunny, with a high near 33.
Thursday Night
A slight chance of snow. Partly cloudy, with a low around 20.
Friday
A slight chance of snow. Mostly sunny, with a high near 39.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Mount St Helens WA
 46.18°N 122.18°W (Elev. 6204 ft)
4:41 am PDT Mar 21, 2026
5am 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