National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Tracking Areas of Fire Weather, Winter Weather, and Severe Weather Thursday

Continuation of gusty winds and low relative humidity will bring additional periods of critical fire weather to the southern Plains Thursday and Friday. Another Pacific storm will continue gusty winds and heavy snow over the western mountains into Thursday. Severe thunderstorms are possible across parts of the middle Mississippi into lower Ohio Valleys Thursday afternoon into early evening. Read More >

Hazardous Weather Conditions

Current conditions at

CASTLE ROCK (TR950)

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

NA

34°F

1°C

Humidity 100%
Wind Speed NW 0 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Last update 19 Feb 02:09 AM PST
Extended Forecast for

11 Miles NW Mount St Helens WA

Winter Weather Advisory February 19, 03:02am until February 19, 07:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory February 19, 03:02am until February 19, 07:00pm

    NOW until 7:00pm Thu

    Winter Weather Advisory

  • Overnight

    Low: 26 °F

    Chance Snow
    Showers

  • Thursday

    Thursday: Snow showers likely, mainly between 10am and 3pm. Partly sunny, with a high near 32. Calm wind becoming northwest 5 to 9 mph in the afternoon. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 32 °F

    Chance Snow
    Showers then
    Snow Showers
    Likely

  • Thursday Night

    Thursday Night: A slight chance of snow showers before 8pm, then a chance of snow showers after 4am. Partly cloudy, with a low around 22. Light and variable wind. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    Low: 22 °F

    Chance Snow
    Showers

  • Friday

    Friday: Snow showers likely, mainly after 10am. Mostly cloudy, with a high near 31. South wind 5 to 8 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 31 °F

    Snow Showers
    Likely

  • Friday Night

    Friday Night: A 50 percent chance of snow showers. Mostly cloudy, with a low around 29. East southeast wind 9 to 14 mph, with gusts as high as 20 mph. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Chance Snow
    Showers

  • Saturday

    Saturday: Snow showers likely. Mostly cloudy, with a high near 37. Windy. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 37 °F

    Snow Showers
    Likely and
    Windy

  • Saturday Night

    Saturday Night: Snow showers likely. Mostly cloudy, with a low around 35. Windy. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 35 °F

    Snow Showers
    Likely and
    Windy

  • Sunday

    Sunday: Rain and snow showers. Snow level rising to 4100 feet in the afternoon. Cloudy, with a high near 40. Windy.

    High: 40 °F

    Rain/Snow and
    Windy

Detailed Forecast

Overnight
A 30 percent chance of snow showers, mainly after 4am. Mostly cloudy, with a low around 26. East southeast wind around 6 mph. Total nighttime snow accumulation of around an inch possible.
Thursday
Snow showers likely, mainly between 10am and 3pm. Partly sunny, with a high near 32. Calm wind becoming northwest 5 to 9 mph in the afternoon. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Thursday Night
A slight chance of snow showers before 8pm, then a chance of snow showers after 4am. Partly cloudy, with a low around 22. Light and variable wind. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Friday
Snow showers likely, mainly after 10am. Mostly cloudy, with a high near 31. South wind 5 to 8 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Friday Night
A 50 percent chance of snow showers. Mostly cloudy, with a low around 29. East southeast wind 9 to 14 mph, with gusts as high as 20 mph. New snow accumulation of less than a half inch possible.
Saturday
Snow showers likely. Mostly cloudy, with a high near 37. Windy. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Saturday Night
Snow showers likely. Mostly cloudy, with a low around 35. Windy. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Sunday
Rain and snow showers. Snow level rising to 4100 feet in the afternoon. Cloudy, with a high near 40. Windy.
Sunday Night
Rain and snow, becoming all rain after 7pm. Snow level 4500 feet. Cloudy, with a low around 36.
Monday
Rain and snow. Snow level 4400 feet. Cloudy, with a high near 38.
Monday Night
Rain and snow. Mostly cloudy, with a low around 34.
Tuesday
Snow. Mostly cloudy, with a high near 40.
Tuesday Night
Snow. Mostly cloudy, with a low around 35.
Wednesday
Snow. Mostly cloudy, with a high near 38.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles NW Mount St Helens WA
 46.31°N 122.34°W (Elev. 3691 ft)
Last Update:
2:42 am PST Feb 19, 2026
Forecast Valid:
3am PST Feb 19, 2026-6pm PST Feb 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation