| NWS Forecast for: Mount St Helens WA Issued by: National Weather Service Portland, OR Last Update: 6:41 am PDT May 31, 2024 | |
| Today: Sunny, with a high near 9. North northeast wind 5 to 10 km/h becoming calm. Tonight: Increasing clouds, with a low around 4. West southwest wind 10 to 16 km/h. Saturday: A 30 percent chance of rain after 11am. Mostly cloudy, with a high near 6. West wind 14 to 23 km/h, with gusts as high as 39 km/h. Saturday Night: A 40 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 2. West wind 18 to 23 km/h decreasing to 10 to 15 km/h after midnight. Winds could gust as high as 32 km/h. Sunday: Rain, mainly after 11am. High near 4. South southwest wind 13 to 23 km/h, with gusts as high as 34 km/h. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 cm possible. Sunday Night: Rain. The rain could be heavy at times. Low around 2. Breezy. Chance of precipitation is 100%. Monday: Rain showers before 8am, then rain, possibly mixed with snow showers between 8am and 11am, then snow showers after 11am. Some thunder is also possible. High near 4. Breezy. Chance of precipitation is 100%. New snow accumulation of less than one centimeter possible. Monday Night: Snow showers before 5am, then snow showers, possibly mixed with rain. Some thunder is also possible. Cloudy, with a low around 1. Breezy. Tuesday: Rain, possibly mixed with snow showers, becoming all rain after 11am. Mostly cloudy, with a high near 4. Tuesday Night: Showers likely, mainly before 11pm. Mostly cloudy, with a low around 3. Wednesday: A chance of showers. Partly sunny, with a high near 9. Wednesday Night: A slight chance of showers. Partly cloudy, with a low around 4. Thursday: Sunny, with a high near 14. | |
| Mount St Helens WA 46.18°N 122.18°W (Elev. 6204 m) | |
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