| NWS Forecast for: Mount St Helens WA Issued by: National Weather Service Portland, OR Last Update: 9:41 am PDT Apr 12, 2026 | |
| Today: Snow showers, mainly after 2pm. High near 39. Breezy, with a west northwest wind 8 to 18 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. Total daytime snow accumulation of less than a half inch possible. Tonight: Snow showers, mainly before 8pm. Low around 31. Blustery, with a west northwest wind 14 to 18 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible. Monday: Snow showers. High near 32. Breezy, with a west wind 14 to 20 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible. Monday Night: Snow showers likely, mainly before 11pm. Mostly cloudy, with a low around 27. Breezy, with a west southwest wind 11 to 21 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible. Tuesday: Snow. The snow could be heavy at times. High near 29. Windy, with a southwest wind 13 to 18 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible. Tuesday Night: Snow. The snow could be heavy at times. Low around 23. Windy. Chance of precipitation is 100%. New snow accumulation of 16 to 22 inches possible. Wednesday: Snow before 11am, then snow showers after 11am. The snow could be heavy at times. Some thunder is also possible. High near 27. Windy. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible. Wednesday Night: Snow, mainly before 11pm. Mostly cloudy, with a low around 21. Breezy. Thursday: Snow likely, mainly after 11am. Mostly cloudy, with a high near 30. Thursday Night: A chance of snow before 11pm. Partly cloudy, with a low around 21. Blustery. Friday: A slight chance of snow. Mostly sunny, with a high near 35. Friday Night: Partly cloudy, with a low around 24. Saturday: A slight chance of snow. Mostly sunny, with a high near 41. | |
| Mount St Helens WA 46.18°N 122.18°W (Elev. 6204 ft) | |
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