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

CASTLE ROCK (TR950)

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

NA

44°F

7°C

Humidity 99%
Wind Speed ENE 0 MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Last update 23 Apr 01:09 AM PDT
Extended Forecast for

11 Miles NW Mount St Helens WA

  • Overnight

    Overnight: Mostly cloudy, with a low around 35. South wind 3 to 5 mph.

    Low: 35 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 47. Calm wind becoming north northwest 5 to 8 mph in the afternoon.

    High: 47 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 37. North northwest wind 5 to 7 mph becoming light and variable.

    Low: 37 °F

    Mostly Clear

  • Friday

    Friday: Increasing clouds, with a high near 51. East northeast wind 6 to 8 mph becoming north in the afternoon.

    High: 51 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Partly cloudy, with a low around 37. North northeast wind 7 to 9 mph becoming east in the evening.

    Low: 37 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of rain and snow showers between 11am and 2pm, then a slight chance of rain showers after 2pm. Snow level 3700 feet rising to 4500 feet in the afternoon. Mostly sunny, with a high near 52.

    High: 52 °F

    Slight Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: A slight chance of rain before 11pm. Snow level 4700 feet. Partly cloudy, with a low around 38.

    Low: 38 °F

    Slight Chance
    Rain then
    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 35. South wind 3 to 5 mph.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 47. Calm wind becoming north northwest 5 to 8 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 37. North northwest wind 5 to 7 mph becoming light and variable.
Friday
Increasing clouds, with a high near 51. East northeast wind 6 to 8 mph becoming north in the afternoon.
Friday Night
Partly cloudy, with a low around 37. North northeast wind 7 to 9 mph becoming east in the evening.
Saturday
Sunny, with a high near 51.
Saturday Night
Partly cloudy, with a low around 38.
Sunday
A slight chance of rain and snow showers between 11am and 2pm, then a slight chance of rain showers after 2pm. Snow level 3700 feet rising to 4500 feet in the afternoon. Mostly sunny, with a high near 52.
Sunday Night
A slight chance of rain before 11pm. Snow level 4700 feet. Partly cloudy, with a low around 38.
Monday
A chance of rain after 11am. Snow level 4200 feet rising to 4900 feet in the afternoon. Mostly sunny, with a high near 52.
Monday Night
A slight chance of rain. Snow level 5300 feet lowering to 4700 feet after midnight . Partly cloudy, with a low around 39.
Tuesday
A slight chance of rain. Snow level 4400 feet rising to 5200 feet in the afternoon. Mostly sunny, with a high near 54.
Tuesday Night
Partly cloudy, with a low around 41.
Wednesday
Sunny, with a high near 58.
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Forecast Area
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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)
Last Update:
2:01 am PDT Apr 23, 2026
Forecast Valid:
2am PDT Apr 23, 2026-6pm PDT Apr 29, 2026
 
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Additional Resources

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