Severe Thunderstorms and Critical Fire Weather Wednesday

Scattered severe thunderstorms are possible across portions of the northern High Plains Wednesday afternoon and evening. Severe wind gusts are the primary hazard. Gusty winds and low relative humidity will contribute to critical fire weather conditions across parts of the northern Great Plains and Great Basin Wednesday. Read More >

Current conditions at

CASTLE ROCK (TR950)

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

NA

53°F

12°C

Humidity 100%
Wind Speed S 1 MPH
Barometer NA
Dewpoint 53°F (12°C)
Visibility NA
Last update 13 May 06:09 AM PDT
Extended Forecast for

12 Miles WNW Mount St Helens WA

  • Today

    Today: Showers and thunderstorms before 5pm, then a chance of showers.  High near 54. Calm wind becoming southwest 5 to 7 mph in the morning. Winds could gust as high as 24 mph.  Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 54 °F

    Showers then
    Showers
    Likely

  • Tonight

    Tonight: A 30 percent chance of showers between 10pm and midnight.  Mostly cloudy, with a low around 47. West wind around 6 mph becoming calm  in the evening. Winds could gust as high as 21 mph.

    Low: 47 °F

    Chance
    Showers then
    Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers, mainly after 11am.  Mostly cloudy, with a high near 57. Light and variable wind.

    High: 57 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 50 percent chance of showers, mainly before 11pm.  Mostly cloudy, with a low around 45. West wind around 5 mph becoming calm  in the evening.

    Low: 45 °F

    Chance
    Showers then
    Slight Chance
    Showers

  • Friday

    Friday: Showers likely, then showers and possibly a thunderstorm after 5pm.  High near 52. Calm wind becoming west southwest around 5 mph in the afternoon.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 52 °F

    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 8pm, then rain, mainly after 8pm.  Low around 43. Chance of precipitation is 90%.

    Low: 43 °F

    Showers

  • Saturday

    Saturday: Rain before 11am, then showers and possibly a thunderstorm after 11am.  High near 50. Chance of precipitation is 90%.

    High: 50 °F

    Showers

  • Saturday Night

    Saturday Night: A chance of rain, mainly before 11pm.  Mostly cloudy, with a low around 37.

    Low: 37 °F

    Chance Rain

  • Sunday

    Sunday: Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny

Detailed Forecast

Today
Showers and thunderstorms before 5pm, then a chance of showers. High near 54. Calm wind becoming southwest 5 to 7 mph in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
A 30 percent chance of showers between 10pm and midnight. Mostly cloudy, with a low around 47. West wind around 6 mph becoming calm in the evening. Winds could gust as high as 21 mph.
Thursday
A 30 percent chance of showers, mainly after 11am. Mostly cloudy, with a high near 57. Light and variable wind.
Thursday Night
A 50 percent chance of showers, mainly before 11pm. Mostly cloudy, with a low around 45. West wind around 5 mph becoming calm in the evening.
Friday
Showers likely, then showers and possibly a thunderstorm after 5pm. High near 52. Calm wind becoming west southwest around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and possibly a thunderstorm before 8pm, then rain, mainly after 8pm. Low around 43. Chance of precipitation is 90%.
Saturday
Rain before 11am, then showers and possibly a thunderstorm after 11am. High near 50. Chance of precipitation is 90%.
Saturday Night
A chance of rain, mainly before 11pm. Mostly cloudy, with a low around 37.
Sunday
Partly sunny, with a high near 57.
Sunday Night
Partly cloudy, with a low around 40.
Monday
Mostly sunny, with a high near 60.
Monday Night
A slight chance of rain. Partly cloudy, with a low around 44.
Tuesday
A slight chance of rain. Mostly sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles WNW Mount St Helens WA
 46.23°N 122.44°W (Elev. 1240 ft)
6:42 am PDT May 13, 2026
6am PDT May 13, 2026-6pm PDT May 19, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database