| NWS Forecast for: Helena MT Issued by: National Weather Service Great Falls, MT Last Update: 8:28 pm MDT Jul 12, 2025 | |
| Tonight: Mostly clear, with a low around 13. Northwest wind 13 to 18 km/h becoming west southwest 5 to 10 km/h after midnight. Winds could gust as high as 34 km/h. Sunday: Sunny, with a high near 34. Light and variable wind becoming west northwest 11 to 16 km/h in the afternoon. Winds could gust as high as 34 km/h. Sunday Night: Mostly clear, with a low around 15. Southwest wind 13 to 18 km/h decreasing to 5 to 10 km/h after midnight. Winds could gust as high as 34 km/h. Monday: Sunny, with a high near 33. Southwest wind 5 to 10 km/h becoming northwest 18 to 23 km/h in the afternoon. Winds could gust as high as 39 km/h. Monday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 12. North northwest wind 22 to 27 km/h decreasing to 13 to 18 km/h after midnight. Winds could gust as high as 45 km/h. Tuesday: A chance of showers and thunderstorms before noon, then showers likely between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. Mostly cloudy, with a high near 19. North wind 10 to 15 km/h increasing to 21 to 26 km/h in the afternoon. Winds could gust as high as 42 km/h. Chance of precipitation is 70%. Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 8. North northwest wind 19 to 24 km/h decreasing to 10 to 15 km/h after midnight. Winds could gust as high as 40 km/h. Chance of precipitation is 50%. Wednesday: A slight chance of showers. Partly sunny, with a high near 22. Northwest wind 5 to 13 km/h becoming north northeast in the afternoon. Winds could gust as high as 29 km/h. Wednesday Night: Mostly clear, with a low around 8. Thursday: Sunny, with a high near 27. Thursday Night: Mostly clear, with a low around 10. Friday: Mostly sunny, with a high near 30. Friday Night: Mostly clear, with a low around 11. Saturday: Sunny, with a high near 33. | |
| Helena MT 46.61°N 111.96°W (Elev. 3796 m) | |
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