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

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

46°F

8°C

Humidity 72%
Wind Speed SSW 2 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Last update 21 Mar 11:52 AM PDT
Extended Forecast for

8 Miles NNW Mount St Helens WA

  • This Afternoon

    This Afternoon: Areas of frost before 1pm. Otherwise, mostly sunny, with a high near 42. West northwest wind 3 to 7 mph. Winds could gust as high as 18 mph.

    High: 42 °F

    Areas Frost

  • Tonight

    Tonight: Widespread frost, mainly after 9pm. Otherwise, mostly cloudy, then gradually becoming clear, with a low around 27. Light and variable wind.

    Low: 27 °F

    Frost

  • Sunday

    Sunday: Mostly sunny, with a high near 48. Light north northwest wind.

    High: 48 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Widespread frost, mainly after 4am. Otherwise, mostly cloudy, with a low around 32. Light northeast wind.

    Low: 32 °F

    Frost

  • Monday

    Monday: Widespread frost before 7am. Otherwise, partly sunny, with a high near 51. Light and variable wind.

    High: 51 °F

    Frost then
    Mostly Cloudy

  • Monday Night

    Monday Night: Showers likely after 11pm. Snow level 4100 feet. Cloudy, with a low around 37. Chance of precipitation is 60%.

    Low: 37 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers. Snow level 4800 feet rising to 6400 feet. High near 45. Chance of precipitation is 100%.

    High: 45 °F

    Showers

  • Tuesday Night

    Tuesday Night: Rain before 11pm, then rain and snow likely. Snow level 6100 feet lowering to 3800 feet after midnight . Cloudy, with a low around 32.

    Low: 32 °F

    Rain/Snow

  • Wednesday

    Wednesday: Rain and snow, becoming all rain after 11am. Snow level 3200 feet. Cloudy, with a high near 42.

    High: 42 °F

    Rain/Snow
    then Rain

Detailed Forecast

This Afternoon
Areas of frost before 1pm. Otherwise, mostly sunny, with a high near 42. West northwest wind 3 to 7 mph. Winds could gust as high as 18 mph.
Tonight
Widespread frost, mainly after 9pm. Otherwise, mostly cloudy, then gradually becoming clear, with a low around 27. Light and variable wind.
Sunday
Mostly sunny, with a high near 48. Light north northwest wind.
Sunday Night
Widespread frost, mainly after 4am. Otherwise, mostly cloudy, with a low around 32. Light northeast wind.
Monday
Widespread frost before 7am. Otherwise, partly sunny, with a high near 51. Light and variable wind.
Monday Night
Showers likely after 11pm. Snow level 4100 feet. Cloudy, with a low around 37. Chance of precipitation is 60%.
Tuesday
Showers. Snow level 4800 feet rising to 6400 feet. High near 45. Chance of precipitation is 100%.
Tuesday Night
Rain before 11pm, then rain and snow likely. Snow level 6100 feet lowering to 3800 feet after midnight . Cloudy, with a low around 32.
Wednesday
Rain and snow, becoming all rain after 11am. Snow level 3200 feet. Cloudy, with a high near 42.
Wednesday Night
Rain and snow before 11pm, then a chance of snow. Mostly cloudy, with a low around 28.
Thursday
A chance of rain and snow. Partly sunny, with a high near 45.
Thursday Night
A slight chance of rain and snow. Partly cloudy, with a low around 30.
Friday
A slight chance of rain and snow. Mostly sunny, with a high near 52.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles NNW Mount St Helens WA
 46.3°N 122.27°W (Elev. 2936 ft)
Last Update:
12:41 pm PDT Mar 21, 2026
Forecast Valid:
12pm PDT Mar 21, 2026-6pm PDT Mar 27, 2026
 
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Additional Resources

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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