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

Heat Wave Continues in the West; Critical Fire Weather Conditions in the High Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Critical fire weather conditions will continue over the next couple of days across portions of the High Plains as gusty winds and dry conditions persist. Read More >

Current conditions at

CANYON CREEK (CYFW1)

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

NA

54°F

12°C

Humidity 50%
Wind Speed SSE 3 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Last update 18 Mar 01:52 AM PDT
Extended Forecast for

Mount St Helens WA

  • Overnight

    Overnight: A 30 percent chance of rain, mainly between 3am and 5am. Snow level 7200 feet. Mostly cloudy, with a steady temperature around 38. West southwest wind around 10 mph.

    Low: 38 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain likely, mainly between 9am and 2pm. Snow level 6800 feet rising to 8200 feet in the afternoon. Mostly cloudy, with a high near 43. Southwest wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

    High: 43 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: A chance of rain before 9pm, then a chance of rain and snow between 9pm and midnight, then rain likely after midnight. Snow level 6500 feet rising to 7300 feet after midnight. Mostly cloudy, with a low around 35. West southwest wind around 11 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 35 °F

    Chance
    Rain/Snow
    then Rain
    Likely

  • Thursday

    Thursday: Rain. Snow level 7100 feet rising to 9400 feet in the afternoon. High near 40. Southwest wind 11 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 40 °F

    Rain

  • Thursday Night

    Thursday Night: Rain. Low around 38. Southwest wind 11 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 38 °F

    Rain

  • Friday

    Friday: Rain before 2pm, then snow, possibly mixed with rain. Snow level 9000 feet lowering to 7800 feet in the afternoon . High near 40. Breezy. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Rain then
    Rain/Snow and
    Breezy

  • Friday Night

    Friday Night: Snow, possibly mixed with rain, becoming all snow after 8pm. Low around 24. Breezy. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    Low: 24 °F

    Rain/Snow and
    Breezy then
    Chance Snow

  • Saturday

    Saturday: A chance of snow. Partly sunny, with a high near 33.

    High: 33 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 21. Blustery.

    Low: 21 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Clear

Detailed Forecast

Overnight
A 30 percent chance of rain, mainly between 3am and 5am. Snow level 7200 feet. Mostly cloudy, with a steady temperature around 38. West southwest wind around 10 mph.
Wednesday
Rain likely, mainly between 9am and 2pm. Snow level 6800 feet rising to 8200 feet in the afternoon. Mostly cloudy, with a high near 43. Southwest wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Wednesday Night
A chance of rain before 9pm, then a chance of rain and snow between 9pm and midnight, then rain likely after midnight. Snow level 6500 feet rising to 7300 feet after midnight. Mostly cloudy, with a low around 35. West southwest wind around 11 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday
Rain. Snow level 7100 feet rising to 9400 feet in the afternoon. High near 40. Southwest wind 11 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain. Low around 38. Southwest wind 11 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Rain before 2pm, then snow, possibly mixed with rain. Snow level 9000 feet lowering to 7800 feet in the afternoon . High near 40. Breezy. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Friday Night
Snow, possibly mixed with rain, becoming all snow after 8pm. Low around 24. Breezy. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Saturday
A chance of snow. Partly sunny, with a high near 33.
Saturday Night
Partly cloudy, with a low around 21. Blustery.
Sunday
A slight chance of snow after 11am. Mostly sunny, with a high near 38.
Sunday Night
A slight chance of snow. Partly cloudy, with a low around 23. Blustery.
Monday
A chance of snow. Mostly cloudy, with a high near 40.
Monday Night
A chance of snow. Mostly cloudy, with a low around 28.
Tuesday
Rain and snow. The snow could be heavy at times. Cloudy, with a high near 33. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mount St Helens WA
 46.18°N 122.18°W (Elev. 6204 ft)
Last Update:
2:01 am PDT Mar 18, 2026
Forecast Valid:
2am PDT Mar 18, 2026-6pm PDT Mar 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation