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

58°F

14°C

Humidity 76%
Wind Speed SSW 2 MPH
Barometer NA
Dewpoint 50°F (10°C)
Visibility NA
Last update 16 May 01:09 PM PDT
Extended Forecast for

14 Miles WNW Mount St Helens WA

  • This Afternoon

    This Afternoon: A 40 percent chance of showers, mainly before 5pm. Mostly cloudy, with a high near 55. Calm wind.

    High: 55 °F

    Chance
    Showers

  • Tonight

    Tonight: Showers, mainly after midnight. Low around 48. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 48 °F

    Chance
    Showers then
    Showers

  • Saturday

    Saturday: Showers, with thunderstorms also possible after 2pm. High near 53. Calm wind becoming west northwest around 6 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 53 °F

    Showers
    Likely then
    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 42. West northwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 42 °F

    Showers then
    Showers
    Likely

  • Sunday

    Sunday: Rain showers likely before 8am, then rain likely, possibly mixed with snow showers between 8am and 11am, then a chance of rain showers after 11am. Mostly cloudy, with a high near 51. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 51 °F

    Rain/Snow
    Likely then
    Chance
    Showers

  • Sunday Night

    Sunday Night: A slight chance of showers before 11pm, then a slight chance of rain after 11pm. Mostly cloudy, with a low around 41. Chance of precipitation is 20%.

    Low: 41 °F

    Slight Chance
    Showers

  • Monday

    Monday: Rain. High near 53. Chance of precipitation is 80%.

    High: 53 °F

    Rain

  • Monday Night

    Monday Night: Showers likely, mainly before 11pm. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely, mainly before 11am. Partly sunny, with a high near 56.

    High: 56 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
A 40 percent chance of showers, mainly before 5pm. Mostly cloudy, with a high near 55. Calm wind.
Tonight
Showers, mainly after midnight. Low around 48. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Showers, with thunderstorms also possible after 2pm. High near 53. Calm wind becoming west northwest around 6 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Showers and possibly a thunderstorm. Low around 42. West northwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Rain showers likely before 8am, then rain likely, possibly mixed with snow showers between 8am and 11am, then a chance of rain showers after 11am. Mostly cloudy, with a high near 51. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 70%. Little or no snow accumulation expected.
Sunday Night
A slight chance of showers before 11pm, then a slight chance of rain after 11pm. Mostly cloudy, with a low around 41. Chance of precipitation is 20%.
Monday
Rain. High near 53. Chance of precipitation is 80%.
Monday Night
Showers likely, mainly before 11pm. Mostly cloudy, with a low around 44.
Tuesday
Showers likely, mainly before 11am. Partly sunny, with a high near 56.
Tuesday Night
A slight chance of showers before 11pm. Partly cloudy, with a low around 41.
Wednesday
A slight chance of showers. Partly sunny, with a high near 59.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 43.
Thursday
A slight chance of showers. Partly sunny, with a high near 60.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles WNW Mount St Helens WA
 46.23°N 122.47°W (Elev. 1198 ft)
Last Update:
1:41 pm PDT May 16, 2025
Forecast Valid:
1pm PDT May 16, 2025-6pm PDT May 22, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation