| NWS Forecast for: Mount St Helens WA Issued by: National Weather Service Portland, OR Last Update: 8:42 pm PDT Jul 15, 2025 |  |
| Tonight: Clear, with a low around 53. East northeast wind 8 to 14 mph, with gusts as high as 18 mph. Wednesday: Widespread haze between 8am and 10am. Sunny, with a high near 67. East wind 6 to 11 mph becoming light and variable. Wednesday Night: Mostly clear, with a low around 51. West wind 5 to 9 mph. Thursday: Sunny, with a high near 64. West wind 5 to 9 mph. Thursday Night: Mostly clear, with a low around 50. Northwest wind 5 to 10 mph. Friday: Sunny, with a high near 62. Friday Night: Partly cloudy, with a low around 46. Saturday: Mostly sunny, with a high near 54. Saturday Night: Partly cloudy, with a low around 45. Sunday: Mostly sunny, with a high near 53. Sunday Night: Partly cloudy, with a low around 46. Monday: Mostly sunny, with a high near 54. Monday Night: Partly cloudy, with a low around 46. Tuesday: Mostly sunny, with a high near 57. | |
| Mount St Helens WA 46.18°N 122.18°W (Elev. 6204 ft) | |
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