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Current conditions at

CASTLE ROCK (TR950)

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

NA

43°F

6°C

Humidity 70%
Wind Speed SE 1 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Last update 27 Jan 07:09 PM PST
Extended Forecast for

11 Miles NW Mount St Helens WA

  • Tonight

    Tonight: Rain showers and snow before 4am, then rain showers between 4am and 5am, then rain likely, possibly mixed with snow showers after 5am. Snow level rising to 4400 feet after midnight. Low around 35. South wind 11 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 35 °F

    Rain/Snow
    Likely then
    Rain/Snow

  • Wednesday

    Wednesday: Rain and snow showers likely before noon, then rain. Snow level 4200 feet rising to 4800 feet in the afternoon. High near 39. South wind around 10 mph, with gusts as high as 18 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 39 °F

    Rain/Snow
    Likely then
    Rain

  • Wednesday Night

    Wednesday Night: Rain. Snow level 5100 feet. Low around 38. South southeast wind around 14 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 38 °F

    Rain

  • Thursday

    Thursday: Rain. High near 42. South southeast wind 10 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 42 °F

    Rain

  • Thursday Night

    Thursday Night: Rain. Low around 42. East southeast wind around 14 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 42 °F

    Rain then
    Rain Likely

  • Friday

    Friday: Rain. Snow level 5400 feet rising to 6200 feet in the afternoon. High near 43. Chance of precipitation is 90%.

    High: 43 °F

    Rain

  • Friday Night

    Friday Night: Rain likely, mainly before 10pm. Mostly cloudy, with a low around 40. Chance of precipitation is 70%.

    Low: 40 °F

    Rain Likely
    then Chance
    Rain

  • Saturday

    Saturday: A chance of rain, mainly before 10am. Mostly cloudy, with a high near 50.

    High: 50 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A slight chance of rain. Mostly cloudy, with a low around 42.

    Low: 42 °F

    Slight Chance
    Rain

Detailed Forecast

Tonight
Rain showers and snow before 4am, then rain showers between 4am and 5am, then rain likely, possibly mixed with snow showers after 5am. Snow level rising to 4400 feet after midnight. Low around 35. South wind 11 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Wednesday
Rain and snow showers likely before noon, then rain. Snow level 4200 feet rising to 4800 feet in the afternoon. High near 39. South wind around 10 mph, with gusts as high as 18 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Wednesday Night
Rain. Snow level 5100 feet. Low around 38. South southeast wind around 14 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Thursday
Rain. High near 42. South southeast wind 10 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain. Low around 42. East southeast wind around 14 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain. Snow level 5400 feet rising to 6200 feet in the afternoon. High near 43. Chance of precipitation is 90%.
Friday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 40. Chance of precipitation is 70%.
Saturday
A chance of rain, mainly before 10am. Mostly cloudy, with a high near 50.
Saturday Night
A slight chance of rain. Mostly cloudy, with a low around 42.
Sunday
Rain likely, mainly after 4pm. Snow level 5700 feet. Mostly cloudy, with a high near 47.
Sunday Night
Rain likely. Snow level 5000 feet. Mostly cloudy, with a low around 40.
Monday
Rain likely, possibly mixed with snow. Snow level 4800 feet. Mostly cloudy, with a high near 43.
Monday Night
A chance of rain. Snow level 5500 feet. Mostly cloudy, with a low around 36.
Tuesday
Mostly sunny, with a high near 49.
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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 PST Jan 27, 2026
Forecast Valid:
7pm PST Jan 27, 2026-6pm PST Feb 3, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation