| NWS Forecast for: Mount St Helens WA Issued by: National Weather Service Portland, OR Last Update: 7:42 pm PDT Jul 15, 2025 | |
| Tonight: Clear, with a low around 12. East northeast wind 11 to 16 km/h increasing to 18 to 23 km/h after midnight. Winds could gust as high as 29 km/h. Wednesday: Widespread haze between 8am and 10am. Sunny, with a high near 19. East wind 13 to 18 km/h becoming east southeast 5 to 10 km/h in the afternoon. Wednesday Night: Mostly clear, with a low around 11. West wind 8 to 14 km/h. Thursday: Sunny, with a high near 18. West wind 8 to 14 km/h. Thursday Night: Mostly clear, with a low around 10. Northwest wind 8 to 16 km/h. Friday: Sunny, with a high near 17. Friday Night: Partly cloudy, with a low around 8. Saturday: Mostly sunny, with a high near 12. Saturday Night: Partly cloudy, with a low around 7. Sunday: Mostly sunny, with a high near 12. Sunday Night: Partly cloudy, with a low around 8. Monday: Mostly sunny, with a high near 12. Monday Night: Partly cloudy, with a low around 8. Tuesday: Mostly sunny, with a high near 14. | |
| Mount St Helens WA 46.18°N 122.18°W (Elev. 6204 m) | |
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