| NWS Forecast for: 3 Miles NW Mount St Helens WA Issued by: National Weather Service Portland, OR Last Update: 4:41 pm PDT Sep 5, 2026 | |
| This Afternoon: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 11. Calm wind. Tonight: Mostly cloudy, with a low around 6. Calm wind becoming east southeast 5 to 8 km/h in the evening. Sunday: A 30 percent chance of showers, mainly between noon and 5pm. Mostly cloudy, with a high near 12. Calm wind. Sunday Night: Mostly cloudy, with a low around 6. Calm wind. Labor Day: Partly sunny, with a high near 10. West northwest wind 8 to 10 km/h. Monday Night: Partly cloudy, with a low around 6. Tuesday: Mostly sunny, with a high near 16. Tuesday Night: Mostly clear, with a low around 11. Wednesday: Sunny, with a high near 21. Wednesday Night: Mostly clear, with a low around 13. Thursday: Mostly sunny, with a high near 17. Thursday Night: Partly cloudy, with a low around 11. Friday: A slight chance of rain. Partly sunny, with a high near 14. Friday Night: A chance of rain. Mostly cloudy, with a low around 9. Saturday: A chance of rain. Partly sunny, with a high near 12. | |
| 3 Miles NW Mount St Helens WA 46.22°N 122.22°W (Elev. 4341 m) | |
Visit your local NWS office at: https://www.weather.gov/pqr |