Current conditions at
CASTLE ROCK (TR950)
Lat: 46.27139°NLon: 122.89194°WElev: 213.0ft.NA
62°F
17°C
| Humidity | 65% |
| Wind Speed | S 3 MPH |
| Barometer | NA |
| Dewpoint | 50°F (10°C) |
| Visibility | NA |
| Last update | 16 May 04:09 PM PDT |
Extended Forecast for
11 Miles NW Mount St Helens WA
This Afternoon

High: 46 °F
Chance
ShowersTonight
Low: 44 °F
Chance
Showers then
ShowersSaturday
High: 43 °F⇓
Showers
Likely then
ShowersSaturday Night
Low: 35 °F
Showers then
Rain/Snow
LikelySunday
High: 40 °F
Rain/Snow
Likely then
Chance
ShowersSunday Night

Low: 36 °F
Chance
Rain/SnowMonday

High: 43 °F
Rain
Monday Night

Low: 39 °F
Showers
LikelyTuesday

High: 45 °F
Showers
Likely
Detailed Forecast
This Afternoon
A 40 percent chance of showers. Mostly cloudy, with a high near 46. Light southwest wind.
Tonight
Showers, mainly after midnight. Steady temperature around 44. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Showers likely, then showers and possibly a thunderstorm after 2pm. Snow level 5800 feet lowering to 5200 feet in the afternoon . Temperature falling to around 40 by 11am. Light west northwest wind becoming west 5 to 9 mph in the morning. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Rain showers before 2am, then snow showers likely. Some thunder is also possible. Snow level 5100 feet lowering to 3700 feet after midnight . Low around 35. West wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Sunday
Snow showers likely before 11am, then a chance of rain showers. Snow level rising to 4400 feet in the afternoon. Mostly cloudy, with a high near 40. West wind around 10 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Sunday Night
A slight chance of rain before 11pm, then a chance of rain and snow between 11pm and 2am, then a chance of rain after 2am. Snow level 4400 feet. Mostly cloudy, with a low around 36. Chance of precipitation is 30%. Little or no snow accumulation expected.
Monday
Rain. Snow level 5100 feet rising to 6400 feet in the afternoon. High near 43. Chance of precipitation is 80%.
Monday Night
Showers likely, mainly before 11pm. Snow level 6100 feet lowering to 4700 feet after midnight . Mostly cloudy, with a low around 39.
Tuesday
Showers likely. Snow level 4300 feet rising to 4900 feet in the afternoon. Mostly cloudy, with a high near 45.
Tuesday Night
A slight chance of showers before 11pm. Snow level 5100 feet lowering to 4100 feet after midnight . Mostly cloudy, with a low around 36.
Wednesday
A slight chance of showers. Snow level 3800 feet rising to 4800 feet in the afternoon. Partly sunny, with a high near 49.
Wednesday Night
A chance of rain and snow showers. Snow level 5200 feet lowering to 4500 feet after midnight . Mostly cloudy, with a low around 37.
Thursday
A slight chance of rain and snow showers. Snow level 4300 feet rising to 5200 feet in the afternoon. Partly sunny, with a high near 49.
Thursday Night
Partly cloudy, with a low around 36.
Friday
A slight chance of showers. Snow level 4700 feet rising to 5700 feet in the afternoon. Mostly sunny, with a high near 53.
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)
4:06 pm PDT May 16, 2025
4pm PDT May 16, 2025-6pm PDT May 23, 2025


