Critical Fire Weather in the High Plains and Midwest; Heavy Snow in the Western Mountains and Northern Plains

Gusty winds and low relative humidity will bring critical fire weather to the central/southern High Plains and portions of the Midwest. Two Pacific storms will continue to bring heavy mountain snow and gusty winds to the western U.S. through Thursday. A swath of wintry weather, including heavy snow and a wintry mix, is expected from the Northern Plains to New England. Read More >

Current conditions at

CASTLE ROCK (TR950)

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

NA

41°F

5°C

Humidity 83%
Wind Speed S 4 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Wind Chill38°F (3°C)
Last update 18 Feb 11:09 AM PST
Extended Forecast for

17 Miles S Mossyrock WA

Winter Weather Advisory February 18, 12:03pm until February 20, 04:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory February 18, 12:03pm until February 20, 04:00am

    NOW until 4:00am Fri

    Winter Weather Advisory

  • This Afternoon

    High: 33 °F

    Snow Showers

  • Tonight

    Tonight: Snow showers.  Low around 28. South southeast wind around 5 mph becoming calm  after midnight.  Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Low: 28 °F

    Snow Showers

  • Thursday

    Thursday: A 50 percent chance of snow showers, mainly after 1pm.  Partly sunny, with a high near 36. Calm wind becoming northwest around 5 mph in the afternoon.  New snow accumulation of less than one inch possible.

    High: 36 °F

    Slight Chance
    Snow Showers
    then Chance
    Snow Showers

  • Thursday Night

    Thursday Night: A 40 percent chance of snow showers, mainly after 4am.  Partly cloudy, with a low around 25. Calm wind.  New snow accumulation of less than a half inch possible.

    Low: 25 °F

    Chance Snow
    Showers

  • Friday

    Friday: Snow showers likely, mainly between 10am and 4pm.  Partly sunny, with a high near 36. Calm wind becoming south around 6 mph in the morning.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 36 °F

    Snow Showers
    Likely

  • Friday Night

    Friday Night: A chance of snow showers before 10pm, then a chance of snow after 10pm.  Mostly cloudy, with a low around 33. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    Low: 33 °F

    Chance Snow
    Showers

  • Saturday

    Saturday: Snow likely before 1pm, then rain and snow likely.  Mostly cloudy, with a high near 42. Breezy.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 42 °F

    Snow Likely
    then
    Rain/Snow
    Likely and
    Breezy

  • Saturday Night

    Saturday Night: Rain likely.  Snow level 2900 feet. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Rain Likely

Detailed Forecast

This Afternoon
Snow showers, mainly before 4pm. High near 33. South wind around 6 mph. Chance of precipitation is 80%. Total daytime snow accumulation of less than one inch possible.
Tonight
Snow showers. Low around 28. South southeast wind around 5 mph becoming calm after midnight. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Thursday
A 50 percent chance of snow showers, mainly after 1pm. Partly sunny, with a high near 36. Calm wind becoming northwest around 5 mph in the afternoon. New snow accumulation of less than one inch possible.
Thursday Night
A 40 percent chance of snow showers, mainly after 4am. Partly cloudy, with a low around 25. Calm wind. New snow accumulation of less than a half inch possible.
Friday
Snow showers likely, mainly between 10am and 4pm. Partly sunny, with a high near 36. Calm wind becoming south around 6 mph in the morning. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday Night
A chance of snow showers before 10pm, then a chance of snow after 10pm. Mostly cloudy, with a low around 33. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Saturday
Snow likely before 1pm, then rain and snow likely. Mostly cloudy, with a high near 42. Breezy. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday Night
Rain likely. Snow level 2900 feet. Mostly cloudy, with a low around 38.
Sunday
Rain. Snow level 3300 feet rising to 4000 feet in the afternoon. Cloudy, with a high near 46.
Sunday Night
Rain. Snow level 4000 feet. Cloudy, with a low around 38.
Monday
Rain. Snow level 3400 feet. Cloudy, with a high near 42.
Monday Night
Rain and snow. Snow level 3000 feet. Mostly cloudy, with a low around 37.
Tuesday
Rain and snow. Snow level 2800 feet. Mostly cloudy, with a high near 42.
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles S Mossyrock WA
 46.28°N 122.55°W (Elev. 2382 ft)
11:41 am PST Feb 18, 2026
12pm PST Feb 18, 2026-6pm PST Feb 24, 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