Severe Thunderstorms and Heavy Rainfall in the Ohio Valley and Great Lakes; Winter Weather in the Northern Tier

A slow moving front extending from the Great Lakes region into the Plains will bring snow, wintry mix, and ice accumulation north of the front from the Upper Midwest into New England, and severe weather and heavy rain south of the front. Scattered severe thunderstorms with damaging gusts, severe hail, and heavy rain are expected across parts of the Great Lakes/Midwest through tonight. Read More >

Current conditions at

CASTLE ROCK (TR950)

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

NA

50°F

10°C

Humidity 69%
Wind Speed SE 1 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Last update 31 Mar 10:09 PM PDT
Extended Forecast for

14 Miles SSW Mossyrock WA

Winter Weather Advisory April 1, 05:00am until April 2, 05:00pm
Click here for hazard details and duration
Winter Weather Advisory
  • Tonight

    Tonight: Rain, mainly after midnight.  Snow level 4200 feet lowering to 3000 feet after midnight . Low around 39. South wind 5 to 9 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: 39 °F

    Chance Rain
    then Rain

  • Wednesday

    Wednesday: Rain.  Snow level 3400 feet rising to 4100 feet in the afternoon. High near 43. Breezy, with a south southeast wind 11 to 16 mph, with gusts as high as 29 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 43 °F

    Rain and
    Breezy

  • Wednesday Night

    Wednesday Night: Rain before midnight, then rain, possibly mixed with snow.  Snow level 2900 feet lowering to 2100 feet after midnight . Low around 36. Southwest wind 5 to 8 mph becoming calm  in the evening.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 36 °F

    Rain then
    Rain/Snow

  • Thursday

    Thursday: Rain and snow, becoming all rain after 11am.  Snow level 2200 feet rising to 3000 feet in the afternoon. High near 44. Calm wind becoming west 5 to 7 mph in the afternoon.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 44 °F

    Rain/Snow
    then Rain

  • Thursday Night

    Thursday Night: A 20 percent chance of rain before 11pm.  Areas of frost after 3am. Snow level 3000 feet.  Otherwise, mostly cloudy, with a low around 36. West wind 5 to 8 mph becoming calm  in the evening.

    Low: 36 °F

    Slight Chance
    Rain then
    Areas Frost

  • Friday

    Friday: Areas of frost before 7am.  Otherwise, mostly sunny, with a high near 52.

    High: 52 °F

    Areas Frost
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Saturday Night

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

    Low: 42 °F

    Partly Cloudy

Detailed Forecast

Tonight
Rain, mainly after midnight. Snow level 4200 feet lowering to 3000 feet after midnight . Low around 39. South wind 5 to 9 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.
Wednesday
Rain. Snow level 3400 feet rising to 4100 feet in the afternoon. High near 43. Breezy, with a south southeast wind 11 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Rain before midnight, then rain, possibly mixed with snow. Snow level 2900 feet lowering to 2100 feet after midnight . Low around 36. Southwest wind 5 to 8 mph becoming calm in the evening. Chance of precipitation is 80%. Little or no snow accumulation expected.
Thursday
Rain and snow, becoming all rain after 11am. Snow level 2200 feet rising to 3000 feet in the afternoon. High near 44. Calm wind becoming west 5 to 7 mph in the afternoon. Chance of precipitation is 80%. Little or no snow accumulation expected.
Thursday Night
A 20 percent chance of rain before 11pm. Areas of frost after 3am. Snow level 3000 feet. Otherwise, mostly cloudy, with a low around 36. West wind 5 to 8 mph becoming calm in the evening.
Friday
Areas of frost before 7am. Otherwise, mostly sunny, with a high near 52.
Friday Night
Mostly clear, with a low around 37.
Saturday
Sunny, with a high near 61.
Saturday Night
Partly cloudy, with a low around 42.
Sunday
Mostly sunny, with a high near 63.
Sunday Night
Partly cloudy, with a low around 45.
Monday
Partly sunny, with a high near 64.
Monday Night
Mostly cloudy, with a low around 46.
Tuesday
A chance of rain. Partly sunny, with a high near 55.
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles SSW Mossyrock WA
 46.34°N 122.57°W (Elev. 1923 ft)
9:41 pm PDT Mar 31, 2026
10pm PDT Mar 31, 2026-6pm PDT Apr 7, 2026
 
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Additional Resources

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