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Storm Systems Continue to Impact the Pacific Northwest; Lake Effect Snow Continues

A second Pacific cold front will cross the Pacific Northwest Wednesday followed by another atmospheric river. Each of these features will bring additional periods of gusty winds, mountain snow, and heavy to excessive rainfall with renewed flooding. Heavy lake effect snow continues into Tuesday east of Lakes Erie and Ontario. Read More >

Hazardous Weather Conditions

Current conditions at

CANYON CREEK (CYFW1)

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

NA

45°F

7°C

Humidity 100%
Wind Speed SSW 1 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Last update 15 Dec 06:52 PM PST
Extended Forecast for

Mount St Helens WA

Flood Watch December 18, 04:00am until December 20, 04:00am
Click here for hazard details and duration
Flood Watch

  • Tonight

    Tonight: Snow. The snow could be heavy at times. Low around 32. Windy, with a west southwest wind 14 to 24 mph, with gusts as high as 41 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 3 to 5 inches possible.

    Low: 32 °F

    Heavy Snow
    and Windy

  • Tuesday

    Tuesday: Snow before 3pm, then rain and snow. The rain and snow could be heavy at times. High near 38. Windy, with a southwest wind 20 to 26 mph, with gusts as high as 39 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

    High: 38 °F

    Windy. Heavy
    Snow then
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain, possibly mixed with snow, becoming all snow after 1am. The rain and snow could be heavy at times. Some thunder is also possible. Low around 25. Very windy, with a west southwest wind 38 to 41 mph, with gusts as high as 65 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

    Low: 25 °F

    Rain/Snow and
    Very Windy

  • Wednesday

    Wednesday: Snow. The snow could be heavy at times. High near 27. Very windy, with a west wind 29 to 34 mph decreasing to 22 to 27 mph in the afternoon. Winds could gust as high as 48 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

    High: 27 °F

    Heavy Snow
    and Very
    Windy

  • Wednesday Night

    Wednesday Night: Snow. Low around 26. Breezy, with a south southwest wind around 15 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

    Low: 26 °F

    Snow and
    Breezy

  • Thursday

    Thursday: Snow before 4pm, then rain and snow. The rain and snow could be heavy at times. High near 31. Breezy. Chance of precipitation is 100%. New snow accumulation of 10 to 16 inches possible.

    High: 31 °F

    Breezy. Heavy
    Snow then
    Rain/Snow

  • Thursday Night

    Thursday Night: Rain and snow, becoming all snow after 1am. The rain and snow could be heavy at times. Low around 25. Breezy. Chance of precipitation is 100%. New snow accumulation of 16 to 22 inches possible.

    Low: 25 °F

    Rain/Snow and
    Breezy

  • Friday

    Friday: Snow. The snow could be heavy at times. Cloudy, with a high near 27.

    High: 27 °F

    Heavy Snow

  • Friday Night

    Friday Night: Snow. The snow could be heavy at times. Mostly cloudy, with a low around 24.

    Low: 24 °F

    Heavy Snow

Detailed Forecast

Tonight
Snow. The snow could be heavy at times. Low around 32. Windy, with a west southwest wind 14 to 24 mph, with gusts as high as 41 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 3 to 5 inches possible.
Tuesday
Snow before 3pm, then rain and snow. The rain and snow could be heavy at times. High near 38. Windy, with a southwest wind 20 to 26 mph, with gusts as high as 39 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.
Tuesday Night
Rain, possibly mixed with snow, becoming all snow after 1am. The rain and snow could be heavy at times. Some thunder is also possible. Low around 25. Very windy, with a west southwest wind 38 to 41 mph, with gusts as high as 65 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.
Wednesday
Snow. The snow could be heavy at times. High near 27. Very windy, with a west wind 29 to 34 mph decreasing to 22 to 27 mph in the afternoon. Winds could gust as high as 48 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.
Wednesday Night
Snow. Low around 26. Breezy, with a south southwest wind around 15 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.
Thursday
Snow before 4pm, then rain and snow. The rain and snow could be heavy at times. High near 31. Breezy. Chance of precipitation is 100%. New snow accumulation of 10 to 16 inches possible.
Thursday Night
Rain and snow, becoming all snow after 1am. The rain and snow could be heavy at times. Low around 25. Breezy. Chance of precipitation is 100%. New snow accumulation of 16 to 22 inches possible.
Friday
Snow. The snow could be heavy at times. Cloudy, with a high near 27.
Friday Night
Snow. The snow could be heavy at times. Mostly cloudy, with a low around 24.
Saturday
Snow. The snow could be heavy at times. Cloudy, with a high near 26.
Saturday Night
Snow. The snow could be heavy at times. Mostly cloudy, with a low around 24.
Sunday
Snow likely. Mostly cloudy, with a high near 27.
Sunday Night
Snow likely. The snow could be heavy at times. Mostly cloudy, with a low around 24.
Monday
Snow likely. The snow could be heavy at times. Mostly cloudy, with a high near 27.
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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:
7:41 pm PST Dec 15, 2025
Forecast Valid:
7pm PST Dec 15, 2025-6pm PST Dec 22, 2025
 
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Additional Resources

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