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

Early Spring Heat Wave in the Southwest U.S.; Critical Fire Weather in the Central Rockies and Plains

An unusual early Spring heat wave will continue much above-normal temperatures over the Southwest U.S. through early next week. Many locations are likely to set records for the highest-ever March temperature. Periods of critical fire weather will persist from the central Rockies to the central Plains through Saturday as gusty winds and low relative humidity continue. Read More >

Current conditions at

CANYON CREEK (CYFW1)

Lat: 45.92944°NLon: 122.20278°WElev: 2592.0ft.

NA

49°F

9°C

Humidity 86%
Wind Speed SE 4 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Wind Chill48°F (9°C)
Last update 19 Mar 03:52 PM PDT
Extended Forecast for

Mount St Helens WA

  • This Afternoon

    This Afternoon: A 40 percent chance of rain. Mostly cloudy, with a high near 42. Southwest wind around 14 mph, with gusts as high as 22 mph.

    High: 42 °F

    Chance Rain

  • Tonight

    Tonight: Rain. Low around 38. Breezy, with a southwest wind around 15 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 38 °F

    Rain and
    Breezy

  • Friday

    Friday: Rain before 5pm, then rain and snow. Snow level 9200 feet lowering to 7300 feet in the afternoon . Temperature falling to around 36 by 5pm. Breezy, with a southwest wind around 15 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 40 °F⇓

    Breezy. Rain
    then
    Rain/Snow

  • Friday Night

    Friday Night: Rain and snow, becoming all snow after 8pm. Low around 23. Breezy, with a west northwest wind around 15 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    Low: 23 °F

    Rain/Snow and
    Breezy then
    Chance Snow

  • Saturday

    Saturday: A 50 percent chance of snow. Partly sunny, with a high near 33. Breezy, with a west northwest wind 14 to 17 mph, with gusts as high as 25 mph. New snow accumulation of less than a half inch possible.

    High: 33 °F

    Chance Snow
    and Breezy

  • Saturday Night

    Saturday Night: A 20 percent chance of snow before 11pm. Mostly clear, with a low around 21. Blustery.

    Low: 21 °F

    Slight Chance
    Snow and
    Blustery then
    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of snow after 11am. Mostly sunny, with a high near 37.

    High: 37 °F

    Slight 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

Detailed Forecast

This Afternoon
A 40 percent chance of rain. Mostly cloudy, with a high near 42. Southwest wind around 14 mph, with gusts as high as 22 mph.
Tonight
Rain. Low around 38. Breezy, with a southwest wind around 15 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Rain before 5pm, then rain and snow. Snow level 9200 feet lowering to 7300 feet in the afternoon . Temperature falling to around 36 by 5pm. Breezy, with a southwest wind around 15 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Friday Night
Rain and snow, becoming all snow after 8pm. Low around 23. Breezy, with a west northwest wind around 15 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Saturday
A 50 percent chance of snow. Partly sunny, with a high near 33. Breezy, with a west northwest wind 14 to 17 mph, with gusts as high as 25 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. Blustery.
Sunday
A 20 percent chance of snow after 11am. Mostly sunny, with a high near 37.
Sunday Night
Mostly cloudy, with a low around 25. Blustery.
Monday
Mostly cloudy, with a high near 40.
Monday Night
A chance of snow. Mostly cloudy, with a low around 30.
Tuesday
Snow, possibly mixed with rain. Snow level 6100 feet. Mostly cloudy, with a high near 37. Breezy.
Tuesday Night
Snow, possibly mixed with rain. The snow could be heavy at times. Cloudy, with a low around 25. Windy.
Wednesday
Snow. The snow could be heavy at times. Cloudy, with a high near 30. Windy.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 20. Windy.
Thursday
A chance of snow. Partly sunny, with a high near 35. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mount St Helens WA
 46.2°N 122.18°W (Elev. 5997 ft)
Last Update:
3:41 pm PDT Mar 19, 2026
Forecast Valid:
4pm PDT Mar 19, 2026-6pm PDT Mar 26, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation