| NWS Forecast for: Mount St Helens WA Issued by: National Weather Service Portland, OR Last Update: 5:41 am PST Jan 17, 2026 |  |
| Today: Sunny, with a high near 45. Windy, with an east southeast wind 15 to 25 mph, with gusts as high as 30 mph. Tonight: Clear, with a low around 34. Breezy, with an east northeast wind around 18 mph becoming north after midnight. Winds could gust as high as 23 mph. Sunday: Sunny, with a high near 43. Breezy, with an east southeast wind 11 to 17 mph, with gusts as high as 21 mph. Sunday Night: Clear, with a low around 26. Breezy, with an east southeast wind 17 to 21 mph, with gusts as high as 26 mph. M.L.King Day: Sunny, with a high near 39. Windy, with an east southeast wind 14 to 22 mph, with gusts as high as 26 mph. Monday Night: Mostly clear, with a low around 28. Breezy. Tuesday: Mostly sunny, with a high near 41. Tuesday Night: Partly cloudy, with a low around 25. Wednesday: Mostly sunny, with a high near 36. Wednesday Night: A slight chance of snow after 4am. Partly cloudy, with a low around 23. Thursday: A chance of snow. Partly sunny, with a high near 32. Thursday Night: A chance of snow. Mostly cloudy, with a low around 22. Friday: A chance of snow. Partly sunny, with a high near 29. | |
| Mount St Helens WA 46.18°N 122.18°W (Elev. 6204 ft) | |
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