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Current conditions at

CASTLE ROCK (TR950)

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

NA

30°F

-1°C

Humidity 96%
Wind Speed NNE 0 MPH
Barometer NA
Dewpoint 29°F (-2°C)
Visibility NA
Last update 24 Jan 07:09 PM PST
Extended Forecast for

11 Miles NW Mount St Helens WA

  • Tonight

    Tonight: Mostly clear, with a low around 33. East wind 5 to 7 mph.

    Low: 33 °F

    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 42. Southeast wind 3 to 8 mph.

    High: 42 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 33. Southeast wind around 9 mph.

    Low: 33 °F

    Mostly Cloudy

  • Monday

    Monday: A 30 percent chance of snow, mainly after 10am.  Mostly cloudy, with a high near 40. South wind 6 to 8 mph.  Little or no snow accumulation expected.

    High: 40 °F

    Chance Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 35. East southeast wind 8 to 10 mph.

    Low: 35 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 45.

    High: 45 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of rain before 10pm, then a chance of rain and snow.  Snow level 4500 feet. Mostly cloudy, with a low around 36. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 36 °F

    Chance
    Rain/Snow

  • Wednesday

    Wednesday: Rain likely.  Snow level 4700 feet. Mostly cloudy, with a high near 43.

    High: 43 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: A chance of rain.  Snow level 5100 feet. Mostly cloudy, with a low around 37.

    Low: 37 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 33. East wind 5 to 7 mph.
Sunday
Increasing clouds, with a high near 42. Southeast wind 3 to 8 mph.
Sunday Night
Mostly cloudy, with a low around 33. Southeast wind around 9 mph.
Monday
A 30 percent chance of snow, mainly after 10am. Mostly cloudy, with a high near 40. South wind 6 to 8 mph. Little or no snow accumulation expected.
Monday Night
Mostly cloudy, with a low around 35. East southeast wind 8 to 10 mph.
Tuesday
Partly sunny, with a high near 45.
Tuesday Night
A slight chance of rain before 10pm, then a chance of rain and snow. Snow level 4500 feet. Mostly cloudy, with a low around 36. Chance of precipitation is 30%. Little or no snow accumulation expected.
Wednesday
Rain likely. Snow level 4700 feet. Mostly cloudy, with a high near 43.
Wednesday Night
A chance of rain. Snow level 5100 feet. Mostly cloudy, with a low around 37.
Thursday
A chance of rain. Snow level 5600 feet. Partly sunny, with a high near 43.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 39.
Friday
A chance of rain. Mostly cloudy, with a high near 46.
Friday Night
A chance of rain. Snow level 5500 feet. Mostly cloudy, with a low around 40.
Saturday
A chance of rain. Snow level 5600 feet. Partly sunny, with a high near 48.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles NW Mount St Helens WA
 46.31°N 122.34°W (Elev. 3691 ft)
6:41 pm PST Jan 24, 2026
7pm PST Jan 24, 2026-6pm PST Jan 31, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database