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Hazardous Weather Conditions

Current conditions at

CASTLE ROCK (TR950)

Lat: 46.27139°NLon: 122.89194°WElev: 213.0ft.

NA

47°F

8°C

Humidity 100%
Wind Speed SSE 3 MPH
Barometer NA
Dewpoint 47°F (8°C)
Visibility NA
Last update 14 Apr 07:09 PM PDT
Extended Forecast for

11 Miles NW Mount St Helens WA

Winter Storm Warning until April 16, 05:00am
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning until April 16, 05:00am

    NOW until 5:00am Thu

    Winter Storm Warning

  • Tonight

    Low: 27 °F

    Rain/Snow and
    Windy then
    Heavy Snow
    and Breezy

  • Wednesday

    Wednesday: Snow showers. The snow could be heavy at times. Some thunder is also possible. High near 32. Breezy, with a west wind 6 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    High: 32 °F

    Heavy Snow
    and Breezy

  • Wednesday Night

    Wednesday Night: Snow showers, mainly before 11pm. Some thunder is also possible. Low around 28. West wind 8 to 13 mph becoming light after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    Low: 28 °F

    Snow Showers
    then Chance
    Snow Showers

  • Thursday

    Thursday: A 50 percent chance of snow showers, mainly after 11am. Partly sunny, with a high near 38. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph. Little or no snow accumulation expected.

    High: 38 °F

    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: A 40 percent chance of snow showers before 11pm. Mostly cloudy, with a low around 32. West wind 8 to 13 mph becoming light west northwest after midnight. Winds could gust as high as 20 mph. Little or no snow accumulation expected.

    Low: 32 °F

    Chance Snow
    Showers then
    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 43.

    High: 43 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of rain after 11am. Snow level 3700 feet rising to 5000 feet in the afternoon. Partly sunny, with a high near 50.

    High: 50 °F

    Chance Rain

Detailed Forecast

Tonight
Rain and snow, becoming all snow after 11pm. The snow could be heavy at times. Low around 27. Windy, with a south southwest wind 17 to 22 mph becoming northwest 7 to 12 mph after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 3 to 5 inches possible.
Wednesday
Snow showers. The snow could be heavy at times. Some thunder is also possible. High near 32. Breezy, with a west wind 6 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Wednesday Night
Snow showers, mainly before 11pm. Some thunder is also possible. Low around 28. West wind 8 to 13 mph becoming light after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Thursday
A 50 percent chance of snow showers, mainly after 11am. Partly sunny, with a high near 38. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph. Little or no snow accumulation expected.
Thursday Night
A 40 percent chance of snow showers before 11pm. Mostly cloudy, with a low around 32. West wind 8 to 13 mph becoming light west northwest after midnight. Winds could gust as high as 20 mph. Little or no snow accumulation expected.
Friday
Partly sunny, with a high near 43.
Friday Night
Mostly cloudy, with a low around 34.
Saturday
A chance of rain after 11am. Snow level 3700 feet rising to 5000 feet in the afternoon. Partly sunny, with a high near 50.
Saturday Night
Rain likely before 2am, then rain likely, possibly mixed with snow. Snow level 5900 feet. Mostly cloudy, with a low around 42.
Sunday
Rain likely, possibly mixed with snow. Snow level 5600 feet lowering to 5100 feet. Mostly cloudy, with a high near 48.
Sunday Night
Rain and snow likely. Snow level 5100 feet. Mostly cloudy, with a low around 39.
Monday
Rain and snow likely. Snow level 4800 feet. Mostly cloudy, with a high near 46.
Monday Night
A chance of rain and snow. Snow level 5100 feet lowering to 4600 feet after midnight . Mostly cloudy, with a low around 38.
Tuesday
A chance of rain and snow. Snow level 4500 feet. Mostly cloudy, with a high near 45.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles NW Mount St Helens WA
 46.31°N 122.34°W (Elev. 3691 ft)
Last Update:
6:41 pm PDT Apr 14, 2026
Forecast Valid:
7pm PDT Apr 14, 2026-6pm PDT Apr 21, 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