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Current conditions at
CASTLE ROCK (TR950)
Lat: 46.27139°NLon: 122.89194°WElev: 213.0ft.NA
50°F
10°C
| Humidity | 100% |
| Wind Speed | NW 1 MPH |
| Barometer | NA |
| Dewpoint | 50°F (10°C) |
| Visibility | NA |
| Last update | 21 Apr 09:09 AM PDT |
Extended Forecast for
11 Miles NW Mount St Helens WA
Today
High: 45 °F
Rain
Tonight
Low: 37 °F
Rain
Wednesday
High: 39 °F
Rain/Snow
Wednesday Night
Low: 35 °F
Rain/Snow
Likely then
Slight Chance
Rain/SnowThursday
High: 46 °F
Slight Chance
Snow then
Mostly SunnyThursday Night
Low: 35 °F
Mostly Clear
Friday
High: 54 °F
Sunny
Friday Night
Low: 38 °F
Mostly Clear
Saturday
High: 55 °F
Sunny
Detailed Forecast
Today
Rain. High near 45. West wind 6 to 8 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain. Snow level 6100 feet lowering to 4700 feet after midnight . Low around 37. West northwest wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday
Rain and snow before 3pm, then a chance of rain between 3pm and 4pm. Snow level 4400 feet. High near 39. West southwest wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Wednesday Night
Rain likely, possibly mixed with snow before 2am, then a slight chance of snow. Snow level 4400 feet lowering to 3700 feet after midnight . Mostly cloudy, with a low around 35. West southwest wind 6 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday
A 20 percent chance of snow before 11am. Snow level rising to 4500 feet in the afternoon. Partly sunny, with a high near 46. Light and variable wind becoming west northwest 5 to 8 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 35.
Friday
Sunny, with a high near 54.
Friday Night
Mostly clear, with a low around 38.
Saturday
Sunny, with a high near 55.
Saturday Night
Partly cloudy, with a low around 37.
Sunday
A slight chance of rain and snow. Snow level 4300 feet rising to 4900 feet in the afternoon. Mostly sunny, with a high near 51.
Sunday Night
A slight chance of rain. Snow level 5200 feet lowering to 4600 feet after midnight . Partly cloudy, with a low around 39.
Monday
A chance of rain and snow. Snow level 4300 feet rising to 5000 feet in the afternoon. Mostly sunny, with a high near 50.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
11 Miles NW Mount St Helens WA
46.31°N 122.34°W (Elev. 3691 ft)
46.31°N 122.34°W (Elev. 3691 ft)
9:41 am PDT Apr 21, 2026
10am PDT Apr 21, 2026-6pm PDT Apr 27, 2026
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