| NWS Forecast for: Mount St Helens WA Issued by: National Weather Service Portland, OR Last Update: 7:45 am PDT Jul 13, 2025 |  |
| Today: Sunny, with a high near 21. Breezy, with a north northwest wind 16 to 21 km/h increasing to 22 to 27 km/h in the afternoon. Winds could gust as high as 37 km/h. Tonight: Mostly clear, with a low around 12. Breezy, with a northwest wind 24 to 29 km/h decreasing to 16 to 21 km/h after midnight. Winds could gust as high as 39 km/h. Monday: Sunny, with a high near 16. West northwest wind 16 to 23 km/h, with gusts as high as 34 km/h. Monday Night: Mostly clear, with a low around 10. Northwest wind 16 to 23 km/h becoming north northeast after midnight. Winds could gust as high as 34 km/h. Tuesday: Sunny, with a high near 20. Northeast wind 11 to 18 km/h. Tuesday Night: Mostly clear, with a low around 13. Wednesday: Sunny, with a high near 22. Wednesday Night: Clear, with a low around 12. Thursday: Sunny, with a high near 18. Thursday Night: Mostly clear, with a low around 11. Friday: Sunny, with a high near 17. Friday Night: Mostly clear, with a low around 8. Saturday: Sunny, with a high near 16. | |
| Mount St Helens WA 46.18°N 122.18°W (Elev. 6204 m) | |
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