Arctic Air for the Northeast and Mid-Atlantic; Increase Moisture for Pacific Northwest; Active Pattern for Hawaii

An arctic cold front will impact the Great Lakes, Northeast and mid-Atlantic. Snow showers and squalls will accompany this system with increasing winds and falling temperatures. Damaging wind gusts may result in tree damage and power outages. Meanwhile, moisture returns for the Pacific Northwest and Hawaii this weekend with both coverage and intensity of rainfall and higher elevation snows. Read More >

Current conditions at

CASTLE ROCK (TR950)

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

NA

46°F

8°C

Humidity 100%
Wind Speed NE 1 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Last update 08 Feb 02:09 AM PST
Extended Forecast for

11 Miles NW Mount St Helens WA

  • Overnight

    Overnight: A slight chance of rain and snow after 4am.  Snow level 4500 feet. Mostly cloudy, with a low around 39. Light west northwest wind.  Chance of precipitation is 10%.

    Low: 39 °F

    Slight Chance
    Rain/Snow

  • Sunday

    Sunday: Snow, possibly mixed with rain.  Snow level 3900 feet. High near 40. Light and variable wind becoming northwest around 6 mph in the afternoon.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 40 °F

    Rain/Snow

  • Sunday Night

    Sunday Night: Snow showers.  Low around 34. South southwest wind around 6 mph.  Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 34 °F

    Snow Showers
    Likely then
    Snow Showers

  • Monday

    Monday: Snow showers, mainly before 4pm.  High near 37. South southwest wind around 7 mph.  Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Snow Showers

  • Monday Night

    Monday Night: A 40 percent chance of snow showers before 10pm.  Mostly cloudy, with a low around 31. East southeast wind 5 to 7 mph.  Little or no snow accumulation expected.

    Low: 31 °F

    Chance Snow
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 43.

    High: 43 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of snow after 4am.  Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy
    then Slight
    Chance Snow

Detailed Forecast

Overnight
A slight chance of rain and snow after 4am. Snow level 4500 feet. Mostly cloudy, with a low around 39. Light west northwest wind. Chance of precipitation is 10%.
Sunday
Snow, possibly mixed with rain. Snow level 3900 feet. High near 40. Light and variable wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 80%. Little or no snow accumulation expected.
Sunday Night
Snow showers. Low around 34. South southwest wind around 6 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Monday
Snow showers, mainly before 4pm. High near 37. South southwest wind around 7 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Monday Night
A 40 percent chance of snow showers before 10pm. Mostly cloudy, with a low around 31. East southeast wind 5 to 7 mph. Little or no snow accumulation expected.
Tuesday
Mostly sunny, with a high near 43.
Tuesday Night
Mostly clear, with a low around 31.
Wednesday
Sunny, with a high near 43.
Wednesday Night
A slight chance of snow after 4am. Mostly cloudy, with a low around 33.
Thursday
A chance of snow before 4pm, then a chance of rain. Mostly cloudy, with a high near 40.
Thursday Night
Rain and snow likely. Snow level 3800 feet. Mostly cloudy, with a low around 35.
Friday
Snow. Mostly cloudy, with a high near 36.
Friday Night
Snow. Mostly cloudy, with a low around 30.
Saturday
Snow likely. Mostly cloudy, with a high near 36.
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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)
2:41 am PST Feb 8, 2026
3am PST Feb 8, 2026-6pm PST Feb 14, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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