| NWS Forecast for: Mount St Helens WA Issued by: National Weather Service Portland, OR Last Update: 12:41 am PDT May 8, 2026 |  |
| Overnight: Mostly cloudy, with a low around 2. West wind 5 to 8 km/h. Friday: Mostly cloudy, then gradually becoming sunny, with a high near 6. Windy, with a west wind 14 to 24 km/h increasing to 27 to 37 km/h. Winds could gust as high as 48 km/h. Friday Night: Mostly clear, with a low around 1. Breezy, with a west northwest wind 22 to 32 km/h decreasing to 11 to 21 km/h in the evening. Winds could gust as high as 42 km/h. Saturday: Mostly sunny, with a high near 11. North northwest wind 8 to 14 km/h becoming southwest in the morning. Saturday Night: Partly cloudy, with a low around 4. West northwest wind 8 to 13 km/h. Sunday: Partly sunny, with a high near 7. Windy. Sunday Night: Partly cloudy, with a low around 1. Windy. Monday: Sunny, with a high near 12. Monday Night: Mostly clear, with a low around 6. Tuesday: Mostly sunny, with a high near 13. Breezy. Tuesday Night: A slight chance of rain and snow. Mostly cloudy, with a low around 6. Breezy. Wednesday: A slight chance of rain and snow. Partly sunny, with a high near 13. Breezy. Wednesday Night: Partly cloudy, with a low around 5. Breezy. Thursday: A slight chance of rain and snow. Mostly sunny, with a high near 11. | |
| Mount St Helens WA 46.18°N 122.18°W (Elev. 6204 m) | |
Visit your local NWS office at: https://www.weather.gov/pqr |
