Tracking a Winter Storm; Unusual Early-Season Heat Wave in the Southwest

A major winter storm will organize across the Northern Plains today and then rapidly strengthen as it moves into the Great Lakes on Sunday. Heavy snow and blowing snow are likely to persist over the Great Lakes into Monday night. Dry and gusty winds will produce a critical fire risk across the central/southern Plains. An early heatwave will begin to intensify over the western U.S. into next week. Read More >

Current conditions at

CANYON CREEK (CYFW1)

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

NA

30°F

-1°C

Humidity 76%
Wind Speed NNW 0 MPH
Barometer NA
Dewpoint 23°F (-5°C)
Visibility NA
Last update 15 Mar 12:52 AM PDT
Extended Forecast for

Mount St Helens WA

  • Overnight

    Overnight: Mostly cloudy, with a low around 16. West northwest wind 8 to 10 mph.

    Low: 16 °F

    Mostly Cloudy

  • Sunday

    Sunday: Snow, mainly after 4pm.  High near 34. West wind 10 to 13 mph becoming south southwest in the afternoon. Winds could gust as high as 18 mph.  Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 34 °F

    Chance Snow
    then Snow

  • Sunday Night

    Sunday Night: Rain and snow likely before 2am, then a chance of rain.  Snow level 6800 feet rising to 8800 feet after midnight. Mostly cloudy, with a low around 30. West southwest wind around 10 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Rain/Snow
    Likely

  • Monday

    Monday: Rain likely before 2pm, then a chance of rain and snow.  Snow level 9900 feet lowering to 6400 feet in the afternoon . Mostly cloudy, with a high near 42. South southwest wind 9 to 11 mph, with gusts as high as 20 mph.  Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 42 °F

    Rain Likely
    then Chance
    Rain/Snow

  • Monday Night

    Monday Night: A chance of snow before 2am, then a chance of rain and snow.  Snow level rising to 8000 feet after midnight. Increasing clouds, with a low around 33. Southwest wind around 14 mph, with gusts as high as 21 mph.  Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 33 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Tuesday

    Tuesday: Rain, possibly mixed with snow, becoming all rain after 2pm.  High near 38. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 38 °F

    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain before 11pm, then rain, possibly mixed with snow.  Snow level 8500 feet lowering to 7800 feet. Low around 34. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 34 °F

    Rain/Snow

  • Wednesday

    Wednesday: Rain, possibly mixed with snow, becoming all rain after 8am.  Snow level 8000 feet rising to 8600 feet. Cloudy, with a high near 39.

    High: 39 °F

    Rain/Snow
    then Rain

  • Wednesday Night

    Wednesday Night: Rain.  Cloudy, with a low around 37.

    Low: 37 °F

    Rain

Detailed Forecast

Overnight
Mostly cloudy, with a low around 16. West northwest wind 8 to 10 mph.
Sunday
Snow, mainly after 4pm. High near 34. West wind 10 to 13 mph becoming south southwest in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Sunday Night
Rain and snow likely before 2am, then a chance of rain. Snow level 6800 feet rising to 8800 feet after midnight. Mostly cloudy, with a low around 30. West southwest wind around 10 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Monday
Rain likely before 2pm, then a chance of rain and snow. Snow level 9900 feet lowering to 6400 feet in the afternoon . Mostly cloudy, with a high near 42. South southwest wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Monday Night
A chance of snow before 2am, then a chance of rain and snow. Snow level rising to 8000 feet after midnight. Increasing clouds, with a low around 33. Southwest wind around 14 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Tuesday
Rain, possibly mixed with snow, becoming all rain after 2pm. High near 38. Chance of precipitation is 90%. Little or no snow accumulation expected.
Tuesday Night
Rain before 11pm, then rain, possibly mixed with snow. Snow level 8500 feet lowering to 7800 feet. Low around 34. Chance of precipitation is 90%. Little or no snow accumulation expected.
Wednesday
Rain, possibly mixed with snow, becoming all rain after 8am. Snow level 8000 feet rising to 8600 feet. Cloudy, with a high near 39.
Wednesday Night
Rain. Cloudy, with a low around 37.
Thursday
Rain. Cloudy, with a high near 43.
Thursday Night
Rain likely. Mostly cloudy, with a low around 37.
Friday
Rain likely. Snow level 8300 feet lowering to 7700 feet in the afternoon . Mostly cloudy, with a high near 47.
Friday Night
A chance of rain and snow. Snow level 7600 feet lowering to 6200 feet after midnight . Mostly cloudy, with a low around 34.
Saturday
A chance of rain and snow. Partly sunny, with a high near 46.
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ABOUT THIS FORECAST

 
Point Forecast:
Mount St Helens WA
 46.18°N 122.18°W (Elev. 6204 ft)
12:41 am PDT Mar 15, 2026
1am PDT Mar 15, 2026-6pm PDT Mar 21, 2026
 
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Additional Resources

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