


NWS Forecast for: Helena MT Issued by: National Weather Service Great Falls, MT Last Update: 2:23 pm MDT Jul 14, 2025 | ![]() |
Tonight: A chance of showers and thunderstorms before midnight, then a slight chance of showers after 1am. Mostly cloudy, with a low around 12. North northwest wind 21 to 26 km/h, with gusts as high as 50 km/h. Chance of precipitation is 30%. Tuesday: Showers, with thunderstorms also possible after 9am. High near 15. North wind 16 to 23 km/h, with gusts as high as 45 km/h. Chance of precipitation is 90%. New rainfall amounts between 5 and 7.5 mm possible. Tuesday Night: Showers likely and possibly a thunderstorm. Cloudy, with a low around 9. North northwest wind 13 to 21 km/h, with gusts as high as 40 km/h. Chance of precipitation is 70%. New precipitation amounts between 2.5 and 5 mm possible. Wednesday: A 20 percent chance of showers before noon. Partly sunny, with a high near 24. North northwest wind 8 to 11 km/h becoming east in the afternoon. Wednesday Night: Mostly clear, with a low around 11. East wind 8 to 11 km/h becoming south after midnight. Thursday: Sunny, with a high near 31. South wind 5 to 14 km/h becoming north northeast in the afternoon. Winds could gust as high as 34 km/h. Thursday Night: Mostly clear, with a low around 12. Northwest wind 11 to 16 km/h becoming light after midnight. Winds could gust as high as 34 km/h. Friday: Sunny, with a high near 29. Light northwest wind becoming north northeast 8 to 13 km/h in the afternoon. Winds could gust as high as 29 km/h. Friday Night: Mostly clear, with a low around 13. Saturday: Sunny, with a high near 32. Saturday Night: Partly cloudy, with a low around 14. Sunday: Mostly sunny, with a high near 31. Sunday Night: Partly cloudy, with a low around 14. Monday: Mostly sunny, with a high near 29. | |
Helena MT 46.58°N 112.04°W (Elev. 4413 m) | |
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