Tracking Late Season Winter Storms

A moderate atmospheric river will continue to bring heavy snow over the Olympics, northern Cascades and northern Rockies Friday while heavy rain may bring flooding to coastal Oregon and Washington. A winter storm will continue to push across the Great Lakes and Northeast U.S. Friday and Saturday with areas of heavy snow and high winds. Read More >

Hazardous Weather Conditions

Current conditions at

CASTLE ROCK (TR950)

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

NA

40°F

4°C

Humidity 100%
Wind Speed NW 0 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Last update 12 Mar 10:09 PM PDT
Extended Forecast for

12 Miles SSW Mossyrock WA

Flood Watch March 12, 10:35pm until March 14, 05:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch March 12, 10:35pm until March 14, 05:00pm

    NOW until 5:00pm Sat

    Flood Watch

  • Tonight

    Low: 40 °F

    Rain

  • Friday

    Friday: Rain before 10am, then rain, possibly mixed with snow between 10am and 11am, then rain after 11am.  Patchy fog between 11am and 4pm. High near 40. Calm wind.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 40 °F

    Rain/Snow and
    Patchy Fog
    then Rain and
    Patchy Fog

  • Friday Night

    Friday Night: Rain before 2am, then rain and snow.  Snow level 3200 feet lowering to 1300 feet after midnight . Low around 32. Calm wind.  Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    Low: 32 °F

    Rain then
    Rain/Snow

  • Saturday

    Saturday: Snow showers likely before 2pm, then a chance of rain and snow showers.  Partly sunny, with a high near 43. Calm wind becoming west northwest around 5 mph in the afternoon.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 43 °F

    Snow Likely
    then Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: A slight chance of rain and snow showers before 8pm, then a slight chance of snow showers between 8pm and 11pm.  Mostly cloudy, with a low around 31. West northwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 20%.

    Low: 31 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Sunday

    Sunday: A chance of snow before 11am, then rain likely.  Snow level rising to 3600 feet in the afternoon. Mostly cloudy, with a high near 44. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 44 °F

    Rain/Snow
    Likely then
    Rain Likely

  • Sunday Night

    Sunday Night: Rain likely, mainly before 11pm.  Cloudy, with a low around 40. Chance of precipitation is 70%.

    Low: 40 °F

    Rain Likely

  • Monday

    Monday: A chance of rain.  Mostly cloudy, with a high near 55.

    High: 55 °F

    Chance Rain

Detailed Forecast

Tonight
Rain. Steady temperature around 40. Calm wind. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Friday
Rain before 10am, then rain, possibly mixed with snow between 10am and 11am, then rain after 11am. Patchy fog between 11am and 4pm. High near 40. Calm wind. Chance of precipitation is 100%. Little or no snow accumulation expected.
Friday Night
Rain before 2am, then rain and snow. Snow level 3200 feet lowering to 1300 feet after midnight . Low around 32. Calm wind. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Saturday
Snow showers likely before 2pm, then a chance of rain and snow showers. Partly sunny, with a high near 43. Calm wind becoming west northwest around 5 mph in the afternoon. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday Night
A slight chance of rain and snow showers before 8pm, then a slight chance of snow showers between 8pm and 11pm. Mostly cloudy, with a low around 31. West northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Sunday
A chance of snow before 11am, then rain likely. Snow level rising to 3600 feet in the afternoon. Mostly cloudy, with a high near 44. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Sunday Night
Rain likely, mainly before 11pm. Cloudy, with a low around 40. Chance of precipitation is 70%.
Monday
A chance of rain. Mostly cloudy, with a high near 55.
Monday Night
A chance of rain, mainly after 11pm. Mostly cloudy, with a low around 42.
Tuesday
A chance of rain. Mostly cloudy, with a high near 60.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 49.
Wednesday
Rain. Mostly cloudy, with a high near 56.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 47.
Thursday
Rain likely. Mostly cloudy, with a high near 54.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles SSW Mossyrock WA
 46.36°N 122.58°W (Elev. 1184 ft)
9:42 pm PDT Mar 12, 2026
10pm PDT Mar 12, 2026-6pm PDT Mar 19, 2026
 
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Additional Resources

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