| NWS Forecast for: Helena MT Issued by: National Weather Service Great Falls, MT Last Update: 5:41 pm MDT Sep 14, 2026 | |
| Tonight: Partly cloudy, with a low around 40. West northwest wind 12 to 17 mph becoming light and variable after midnight. Winds could gust as high as 28 mph. Tuesday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 69. Calm wind becoming north northeast 5 to 8 mph in the afternoon. Tuesday Night: Mostly cloudy, with a low around 45. West northwest wind 8 to 13 mph, with gusts as high as 22 mph. Wednesday: Mostly sunny, with a high near 65. West northwest wind 7 to 10 mph becoming north in the afternoon. Wednesday Night: Mostly clear, with a low around 44. North wind 5 to 9 mph becoming calm after midnight. Thursday: Sunny, with a high near 77. Calm wind becoming east northeast around 5 mph in the afternoon. Thursday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 51. West wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 60%. Friday: A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 71. Calm wind becoming north around 5 mph in the afternoon. Friday Night: A chance of showers. Mostly cloudy, with a low around 48. Saturday: A slight chance of showers. Mostly sunny, with a high near 72. Saturday Night: Mostly clear, with a low around 47. Sunday: Sunny, with a high near 73. Sunday Night: Mostly clear, with a low around 45. Monday: Sunny, with a high near 75. | |
| Helena MT 46.61°N 111.99°W (Elev. 3878 ft) | |
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