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

50°F

10°C

Humidity 79%
Wind Speed SSE 4 MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Wind Chill49°F (9°C)
Last update 20 Mar 04:52 AM PDT
Extended Forecast for

Mount St Helens WA

  • Overnight

    Overnight: A 40 percent chance of rain. Mostly cloudy, with a low around 36. Breezy, with a southwest wind around 17 mph, with gusts as high as 20 mph.

    Low: 36 °F

    Chance Rain
    and Breezy

  • Friday

    Friday: Rain before 5pm, then rain and snow. Snow level 9200 feet lowering to 8000 feet in the afternoon . High near 38. Breezy, with a south southwest wind 14 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Breezy. Rain
    then
    Rain/Snow

  • Friday Night

    Friday Night: Snow, possibly mixed with rain before 8pm, then a chance of snow between 8pm and 4am. Low around 22. West wind around 14 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Low: 22 °F

    Rain/Snow
    then Chance
    Snow

  • Saturday

    Saturday: A 50 percent chance of snow. Mostly cloudy, then gradually becoming sunny, with a high near 31. Blustery, with a west northwest wind 14 to 21 mph, with gusts as high as 24 mph. New snow accumulation of less than a half inch possible.

    High: 31 °F

    Chance Snow
    and Blustery

  • Saturday Night

    Saturday Night: A 20 percent chance of snow before 11pm. Mostly clear, with a low around 21. Windy, with a west northwest wind 17 to 22 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 25 mph.

    Low: 21 °F

    Slight Chance
    Snow and
    Windy then
    Mostly Clear

  • Sunday

    Sunday: A 30 percent chance of snow, mainly after 11am. Mostly sunny, with a high near 36. Little or no snow accumulation expected.

    High: 36 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 25. Blustery.

    Low: 25 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 40.

    High: 40 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Snow likely before 2am, then rain and snow likely. Mostly cloudy, with a low around 31.

    Low: 31 °F

    Snow Likely
    then
    Rain/Snow
    Likely

Detailed Forecast

Overnight
A 40 percent chance of rain. Mostly cloudy, with a low around 36. Breezy, with a southwest wind around 17 mph, with gusts as high as 20 mph.
Friday
Rain before 5pm, then rain and snow. Snow level 9200 feet lowering to 8000 feet in the afternoon . High near 38. Breezy, with a south southwest wind 14 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Friday Night
Snow, possibly mixed with rain before 8pm, then a chance of snow between 8pm and 4am. Low around 22. West wind around 14 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Saturday
A 50 percent chance of snow. Mostly cloudy, then gradually becoming sunny, with a high near 31. Blustery, with a west northwest wind 14 to 21 mph, with gusts as high as 24 mph. New snow accumulation of less than a half inch possible.
Saturday Night
A 20 percent chance of snow before 11pm. Mostly clear, with a low around 21. Windy, with a west northwest wind 17 to 22 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 25 mph.
Sunday
A 30 percent chance of snow, mainly after 11am. Mostly sunny, with a high near 36. Little or no snow accumulation expected.
Sunday Night
Mostly cloudy, with a low around 25. Blustery.
Monday
Mostly cloudy, with a high near 40.
Monday Night
Snow likely before 2am, then rain and snow likely. Mostly cloudy, with a low around 31.
Tuesday
Rain and snow. Cloudy, with a high near 36. Breezy.
Tuesday Night
Rain and snow. The snow could be heavy at times. Cloudy, with a low around 25. Breezy.
Wednesday
Snow. Cloudy, with a high near 30. Breezy.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 20. Breezy.
Thursday
A chance of snow. Partly sunny, with a high near 35.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mount St Helens WA
 46.2°N 122.21°W (Elev. 6598 ft)
Last Update:
4:41 am PDT Mar 20, 2026
Forecast Valid:
5am PDT Mar 20, 2026-6pm PDT Mar 26, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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