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Current conditions at
CASTLE ROCK (TR950)
Lat: 46.27139°NLon: 122.89194°WElev: 213.0ft.NA
40°F
4°C
| Humidity | 66% |
| Wind Speed | S 1 MPH |
| Barometer | NA |
| Dewpoint | 29°F (-2°C) |
| Visibility | NA |
| Last update | 25 Jan 12:09 PM PST |
Extended Forecast for
11 Miles NW Mount St Helens WA
This Afternoon

High: 41 °F
Partly Sunny
Tonight

Low: 34 °F
Mostly Cloudy
Monday

High: 40 °F
Slight Chance
SnowMonday Night

Low: 37 °F
Mostly Cloudy
Tuesday
High: 44 °F
Mostly Cloudy
then Chance
RainTuesday Night
Low: 37 °F
Rain/Snow
Likely then
Rain LikelyWednesday

High: 41 °F
Rain Likely
Wednesday Night

Low: 39 °F
Rain
Thursday

High: 42 °F
Rain
Detailed Forecast
This Afternoon
Partly sunny, with a high near 41. Southeast wind 3 to 5 mph.
Tonight
Mostly cloudy, with a low around 34. Southeast wind around 9 mph.
Monday
A slight chance of snow between 10am and 2pm. Partly sunny, with a high near 40. South wind around 7 mph. Chance of precipitation is 20%.
Monday Night
Mostly cloudy, with a low around 37. Southeast wind 7 to 10 mph.
Tuesday
A 30 percent chance of rain after 4pm. Snow level 4400 feet. Mostly cloudy, with a high near 44. Southeast wind 10 to 14 mph, with gusts as high as 20 mph.
Tuesday Night
A chance of rain and snow before 10pm, then rain likely. Snow level 4400 feet rising to 4900 feet after midnight. Mostly cloudy, with a low around 37. Chance of precipitation is 60%. Little or no snow accumulation expected.
Wednesday
Rain likely. Snow level 5000 feet. Mostly cloudy, with a high near 41. Chance of precipitation is 70%.
Wednesday Night
Rain. Snow level 5400 feet. Mostly cloudy, with a low around 39.
Thursday
Rain. Snow level 5900 feet. Mostly cloudy, with a high near 42.
Thursday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 41.
Friday
Rain likely. Mostly cloudy, with a high near 47.
Friday Night
Rain likely. Mostly cloudy, with a low around 42.
Saturday
Rain likely. Mostly cloudy, with a high near 47.
Additional Forecasts and Information
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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)
46.31°N 122.34°W (Elev. 3691 ft)
1:02 pm PST Jan 25, 2026
1pm PST Jan 25, 2026-6pm PST Jan 31, 2026


