Heavy Snow and Disruptive Ice in the Upper Midwest; Severe Thunderstorms in the Southern Plains

A late season winter storm will produce a combination of heavy snow and disruptive ice starting this evening in the Northern Plains and moving into the Upper Midwest and Great Lakes by tonight continuing through Thursday. Severe thunderstorms will likely produce severe wind gusts, large hail, a few tornadoes, and heavy rainfall across the southern and central Plains today. Read More >

Current conditions at

CASTLE ROCK (TR950)

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

NA

47°F

8°C

Humidity 94%
Wind Speed S 3 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Last update 01 Apr 10:09 AM PDT
Extended Forecast for

17 Miles S Mossyrock WA

Winter Weather Advisory until April 2, 05:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until April 2, 05:00pm

    NOW until 5:00pm Thu

    Winter Weather Advisory

  • Today

    High: 40 °F

    Showers

  • Tonight

    Tonight: Rain and snow, becoming all snow after 1am. Some thunder is also possible.  Snow level 2900 feet lowering to 2400 feet after midnight . Low around 34. Southwest wind 5 to 8 mph becoming calm  after midnight.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 34 °F

    Rain/Snow
    then Snow

  • Thursday

    Thursday: Rain and snow before 3pm, then a slight chance of rain between 3pm and 4pm.  Snow level rising to 3100 feet in the afternoon. High near 42. Calm wind becoming west southwest 5 to 8 mph in the morning. Winds could gust as high as 18 mph.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 42 °F

    Rain/Snow

  • Thursday Night

    Thursday Night: A 20 percent chance of rain before 11pm.  Snow level 3000 feet. Mostly cloudy, with a low around 35. West wind 5 to 8 mph becoming calm  in the evening.

    Low: 35 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 50. Calm wind.

    High: 50 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

Detailed Forecast

Today
Rain, mainly before 5pm, then showers and possibly a thunderstorm after 5pm. Snow level 4100 feet lowering to 3500 feet. High near 40. South southeast wind 10 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Rain and snow, becoming all snow after 1am. Some thunder is also possible. Snow level 2900 feet lowering to 2400 feet after midnight . Low around 34. Southwest wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 90%. Little or no snow accumulation expected.
Thursday
Rain and snow before 3pm, then a slight chance of rain between 3pm and 4pm. Snow level rising to 3100 feet in the afternoon. High near 42. Calm wind becoming west southwest 5 to 8 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Thursday Night
A 20 percent chance of rain before 11pm. Snow level 3000 feet. Mostly cloudy, with a low around 35. West wind 5 to 8 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 50. Calm wind.
Friday Night
Mostly clear, with a low around 36.
Saturday
Sunny, with a high near 59.
Saturday Night
Partly cloudy, with a low around 42.
Sunday
Partly sunny, with a high near 64.
Sunday Night
Mostly cloudy, with a low around 46.
Monday
Partly sunny, with a high near 62.
Monday Night
Mostly cloudy, with a low around 43.
Tuesday
A chance of rain. Partly sunny, with a high near 55.
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles S Mossyrock WA
 46.28°N 122.55°W (Elev. 2382 ft)
10:41 am PDT Apr 1, 2026
11am PDT Apr 1, 2026-6pm PDT Apr 7, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database