| NWS Forecast for: Mount St Helens WA Issued by: National Weather Service Portland, OR Last Update: 2:41 pm PDT Mar 22, 2025 |  |
| This Afternoon: Snow showers likely, mainly between 4pm and 5pm. Mostly cloudy, with a high near 28. West southwest wind 5 to 9 mph. Chance of precipitation is 70%. Total daytime snow accumulation of less than a half inch possible. Tonight: A chance of snow showers before midnight, then snow, mainly after midnight. The snow could be heavy at times. Steady temperature around 29. West southwest wind 8 to 11 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible. Sunday: Rain and snow, becoming all rain after 2pm. The snow could be heavy at times. Snow level rising to 7400 feet in the afternoon. High near 35. Breezy, with a southwest wind 14 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible. Sunday Night: Rain. Snow level 7900 feet. Low around 34. Southwest wind 10 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible. Monday: Rain. Snow level 7600 feet. High near 40. Southwest wind 8 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible. Monday Night: A 20 percent chance of rain before 11pm. Snow level 7800 feet. Mostly cloudy, with a low around 33. Tuesday: Mostly sunny, with a high near 51. Tuesday Night: A slight chance of rain after 11pm. Snow level 8200 feet. Mostly cloudy, with a low around 36. Breezy. Wednesday: A chance of rain, then showers and possibly a thunderstorm after 11am. Snow level 8200 feet. Mostly cloudy, with a high near 50. Breezy. Wednesday Night: Rain showers before 8pm, then rain and snow showers between 8pm and 11pm, then snow after 11pm. The snow could be heavy at times. Some thunder is also possible. Cloudy, with a low around 29. Breezy. Thursday: Snow. The snow could be heavy at times. Cloudy, with a high near 32. Breezy. Thursday Night: Snow. The snow could be heavy at times. Cloudy, with a low around 25. Breezy. Friday: Snow. The snow could be heavy at times. Cloudy, with a high near 29. | |
| Mount St Helens WA 46.18°N 122.18°W (Elev. 6204 ft) | |
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