Pacific Storm System Moves Inland; Strong Storm in Alaska

A Pacific storm system will bring low elevation/valley rain and mountain snow as it moves inland to the central Great Basin through the central Rockies through Thursday. Scattered thunderstorms are likely from California into the Great Basin. A large low pressure system continues to bring snow, blizzard conditions, damaging winds, and mixed precipitation along the Bering Sea and Southwest Alaska. Read More >

Current conditions at

CASTLE ROCK (TR950)

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

45°F

7°C

Humidity	86%
Wind Speed	NNE 4 MPH
Barometer	NA
Dewpoint	41°F (5°C)
Visibility	NA
Wind Chill	43°F (6°C)
Last update	11 Feb 11:09 AM PST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

11 Miles NW Mount St Helens WA

Today
High: 45 °F
Sunny
Tonight
Low: 35 °F
Increasing
Clouds
Thursday
High: 42 °F
Decreasing
Clouds
Thursday Night
Low: 33 °F
Chance Snow
Showers
Friday
High: 37 °F
Snow Showers
Friday Night
Low: 34 °F
Snow Showers
Saturday
High: 36 °F
Snow Showers
then
Rain/Snow
Saturday Night
Low: 31 °F
Rain/Snow
Likely then
Chance Snow
Sunday
High: 38 °F
Snow Likely

Detailed Forecast

Today

Sunny, with a high near 45. East wind around 6 mph becoming north in the afternoon.

Tonight

Increasing clouds, with a low around 35. East southeast wind around 8 mph.

Thursday

Mostly cloudy, then gradually becoming sunny, with a high near 42. Light and variable wind becoming west southwest around 6 mph in the afternoon.

Thursday Night

A 30 percent chance of snow showers, mainly after 4am. Increasing clouds, with a low around 33. Light and variable wind. Little or no snow accumulation expected.

Friday

Snow showers, mainly after 10am. High near 37. South southeast wind around 6 mph becoming southwest in the afternoon. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

Friday Night

Snow showers. Low around 34. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

Saturday

Snow showers before 4pm, then rain and snow showers likely. High near 36. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

Saturday Night

Rain and snow likely, becoming all snow after 7pm. Mostly cloudy, with a low around 31.

Sunday

Snow likely, mainly between 10am and 4pm. Partly sunny, with a high near 38.

Sunday Night

A chance of snow, mainly after 4am. Mostly cloudy, with a low around 30.

Washington's Birthday

Snow. Mostly cloudy, with a high near 37.

Monday Night

Snow. Mostly cloudy, with a low around 32.

Tuesday

Snow. Mostly cloudy, with a high near 36.