Fire Weather Concerns; Record Warmth Spreads

The Plains to the mid-Mississippi Valley continue with warm and dry conditions. Any fires that initiate could spread quickly. The warm temperatures will expand across the Southern Plains into the Southwest where numerous records are expected through the weekend. Meanwhile, a cold front will move southward across the northern Plains and Great Lakes region where some snow will develop this weekend. Read More >

Current conditions at

CASTLE ROCK (TR950)

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

NA

40°F

4°C

Humidity 94%
Wind Speed N 0 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Last update 01 Mar 01:09 AM PST
Extended Forecast for

11 Miles NW Mount St Helens WA

  • Overnight

    Overnight: Mostly cloudy, with a low around 38. East southeast wind around 6 mph.

    Low: 38 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 49. South wind 3 to 6 mph.

    High: 49 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 36. East wind 3 to 5 mph.

    Low: 36 °F

    Decreasing
    Clouds

  • Monday

    Monday: A 20 percent chance of rain after 10am.  Areas of frost before 8am. Snow level 4200 feet rising to 4900 feet in the afternoon.  Otherwise, mostly sunny, with a high near 47. Calm wind becoming west around 6 mph in the afternoon.

    High: 47 °F

    Slight Chance
    Rain

  • Monday Night

    Monday Night: Rain likely, mainly after 4am.  Snow level 5100 feet. Mostly cloudy, with a low around 39. Southwest wind 5 to 7 mph becoming south southeast after midnight.  Chance of precipitation is 60%.

    Low: 39 °F

    Chance Rain
    then Rain
    Likely

  • Tuesday

    Tuesday: Rain.  Snow level 5100 feet. High near 41. Chance of precipitation is 90%.

    High: 41 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain.  Snow level 4800 feet. Low around 37. Chance of precipitation is 100%.

    Low: 37 °F

    Rain

  • Wednesday

    Wednesday: Rain and snow.  Snow level 3900 feet. Cloudy, with a high near 38.

    High: 38 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow, becoming all snow after 7pm.  Cloudy, with a low around 34.

    Low: 34 °F

    Rain/Snow
    then Snow

Detailed Forecast

Overnight
Mostly cloudy, with a low around 38. East southeast wind around 6 mph.
Sunday
Partly sunny, with a high near 49. South wind 3 to 6 mph.
Sunday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 36. East wind 3 to 5 mph.
Monday
A 20 percent chance of rain after 10am. Areas of frost before 8am. Snow level 4200 feet rising to 4900 feet in the afternoon. Otherwise, mostly sunny, with a high near 47. Calm wind becoming west around 6 mph in the afternoon.
Monday Night
Rain likely, mainly after 4am. Snow level 5100 feet. Mostly cloudy, with a low around 39. Southwest wind 5 to 7 mph becoming south southeast after midnight. Chance of precipitation is 60%.
Tuesday
Rain. Snow level 5100 feet. High near 41. Chance of precipitation is 90%.
Tuesday Night
Rain. Snow level 4800 feet. Low around 37. Chance of precipitation is 100%.
Wednesday
Rain and snow. Snow level 3900 feet. Cloudy, with a high near 38.
Wednesday Night
Rain and snow, becoming all snow after 7pm. Cloudy, with a low around 34.
Thursday
Snow. Cloudy, with a high near 37.
Thursday Night
Snow. Snow level 3700 feet. Cloudy, with a low around 35.
Friday
Rain and snow. Snow level 4000 feet. Cloudy, with a high near 38.
Friday Night
Rain and snow. Snow level 4900 feet. Mostly cloudy, with a low around 36.
Saturday
Rain. Snow level 5700 feet. Cloudy, with a high near 41.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles NW Mount St Helens WA
 46.31°N 122.34°W (Elev. 3691 ft)
1:01 am PST Mar 1, 2026
1am PST Mar 1, 2026-6pm PST Mar 7, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database