Active Spring Like Pattern Across the Country

A frontal boundary will slowly move eastward and clear most of the eastern seaboard by Sunday. Showers and thunderstorms, some severe, will accompany this front alongside the threat of heavy rainfall; These threats may linger along the Gulf Coast states into early next week. Meanwhile, record spring-like warmth is forecast, mainly east of the Mississippi River, this weekend into next week. Read More >

Current conditions at

CASTLE ROCK (TR950)

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

NA

49°F

9°C

Humidity 100%
Wind Speed SSE 2 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Last update 07 Mar 07:09 AM PST
Extended Forecast for

11 Miles NW Mount St Helens WA

  • Today

    Today: Showers.  High near 43. West southwest wind 6 to 8 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 43 °F

    Showers

  • Tonight

    Tonight: Showers.  Low around 38. Southwest wind around 6 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 38 °F

    Showers

  • Sunday

    Sunday: Rain before 10am, then rain, possibly mixed with snow.  Snow level 6400 feet lowering to 4700 feet in the afternoon . Temperature falling to around 35 by 5pm. West wind 9 to 14 mph, with gusts as high as 22 mph.  Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Rain/Snow

  • Sunday Night

    Sunday Night: Snow, possibly mixed with rain, becoming all snow after 7pm.  Low around 28. West wind 8 to 14 mph, with gusts as high as 20 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    Low: 28 °F

    Rain/Snow
    then Snow

  • Monday

    Monday: Snow.  High near 32. West wind 8 to 14 mph, with gusts as high as 23 mph.  Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    High: 32 °F

    Snow

  • Monday Night

    Monday Night: Snow.  Low around 26. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 26 °F

    Snow

  • Tuesday

    Tuesday: Snow.  High near 31. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    High: 31 °F

    Snow

  • Tuesday Night

    Tuesday Night: Snow.  Cloudy, with a low around 30.

    Low: 30 °F

    Snow

  • Wednesday

    Wednesday: Snow. The snow could be heavy at times.  Cloudy, with a high near 38. Breezy.

    High: 38 °F

    Heavy Snow
    and Breezy

Detailed Forecast

Today
Showers. High near 43. West southwest wind 6 to 8 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Showers. Low around 38. Southwest wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Rain before 10am, then rain, possibly mixed with snow. Snow level 6400 feet lowering to 4700 feet in the afternoon . Temperature falling to around 35 by 5pm. West wind 9 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Sunday Night
Snow, possibly mixed with rain, becoming all snow after 7pm. Low around 28. West wind 8 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Monday
Snow. High near 32. West wind 8 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Monday Night
Snow. Low around 26. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Tuesday
Snow. High near 31. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Tuesday Night
Snow. Cloudy, with a low around 30.
Wednesday
Snow. The snow could be heavy at times. Cloudy, with a high near 38. Breezy.
Wednesday Night
Rain and snow, becoming all snow after 1am. Snow level 3900 feet. Cloudy, with a low around 35. Breezy.
Thursday
Snow. The snow could be heavy at times. Cloudy, with a high near 36. Breezy.
Thursday Night
Snow. The snow could be heavy at times. Cloudy, with a low around 31.
Friday
Snow. The snow could be heavy at times. Cloudy, with a high near 37.
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)
6:41 am PST Mar 7, 2026
7am PST Mar 7, 2026-6pm PDT Mar 13, 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