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

33°F

1°C

Humidity 96%
Wind Speed NNW 0 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Last update 21 Mar 10:52 PM PDT
Extended Forecast for

Mount St Helens WA

  • Tonight

    Tonight: Clear, with a low around 21. West northwest wind around 9 mph.

    Low: 21 °F

    Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 38. West wind 6 to 11 mph.

    High: 38 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 27. South southwest wind 9 to 11 mph becoming north in the evening.

    Low: 27 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 41. West wind 7 to 11 mph.

    High: 41 °F

    Partly Sunny

  • Monday Night

    Monday Night: Snow showers likely after 11pm.  Mostly cloudy, with a low around 31. West northwest wind 8 to 13 mph becoming southeast after midnight.  Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 31 °F

    Snow Showers
    Likely

  • Tuesday

    Tuesday: Snow showers before 2pm, then snow showers, possibly mixed with rain. The snow could be heavy at times.  High near 35. Windy.  Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    High: 35 °F

    Snow Showers
    and Breezy
    then
    Rain/Snow and
    Windy

  • Tuesday Night

    Tuesday Night: Rain and snow.  Low around 26. Windy.  Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 26 °F

    Rain/Snow and
    Windy then
    Rain/Snow
    Likely and
    Breezy

  • Wednesday

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

    High: 33 °F

    Snow and
    Breezy

  • Wednesday Night

    Wednesday Night: Snow, mainly before 11pm.  Mostly cloudy, with a low around 21. Windy.

    Low: 21 °F

    Snow and
    Windy

Detailed Forecast

Tonight
Clear, with a low around 21. West northwest wind around 9 mph.
Sunday
Mostly sunny, with a high near 38. West wind 6 to 11 mph.
Sunday Night
Mostly cloudy, with a low around 27. South southwest wind 9 to 11 mph becoming north in the evening.
Monday
Partly sunny, with a high near 41. West wind 7 to 11 mph.
Monday Night
Snow showers likely after 11pm. Mostly cloudy, with a low around 31. West northwest wind 8 to 13 mph becoming southeast after midnight. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Tuesday
Snow showers before 2pm, then snow showers, possibly mixed with rain. The snow could be heavy at times. High near 35. Windy. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Tuesday Night
Rain and snow. Low around 26. Windy. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Wednesday
Snow. Cloudy, with a high near 33. Breezy.
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 35.
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 42.
Friday Night
Mostly clear, with a low around 26.
Saturday
A slight chance of snow. Sunny, with a high near 45.
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ABOUT THIS FORECAST

 
Point Forecast:
Mount St Helens WA
 46.18°N 122.18°W (Elev. 6204 ft)
10:41 pm PDT Mar 21, 2026
11pm PDT Mar 21, 2026-6pm PDT Mar 28, 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