| NWS Forecast for: Helena MT Issued by: National Weather Service Great Falls, MT Last Update: 5:02 pm MDT Jun 15, 2026 | |
| Tonight: Mostly cloudy, with a low around 57. West wind 8 to 11 mph, with gusts as high as 20 mph. Tuesday: Sunny, with a high near 86. Windy, with a west wind 9 to 19 mph increasing to 20 to 30 mph in the afternoon. Winds could gust as high as 46 mph. Tuesday Night: Mostly clear, with a low around 51. Windy, with a west northwest wind 21 to 31 mph decreasing to 7 to 17 mph. Winds could gust as high as 50 mph. Wednesday: Sunny, with a high near 72. Northwest wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 30 mph. Wednesday Night: Partly cloudy, with a low around 46. North northwest wind 10 to 15 mph becoming light and variable after midnight. Winds could gust as high as 28 mph. Thursday: Sunny, with a high near 78. Calm wind becoming northwest 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph. Thursday Night: Mostly clear, with a low around 49. Northwest wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 20 mph. Juneteenth: Mostly sunny, with a high near 83. Calm wind becoming north northeast around 6 mph in the afternoon. Friday Night: Partly cloudy, with a low around 53. Saturday: A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 80. Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 51. Sunday: A slight chance of showers and thunderstorms. Mostly sunny, with a high near 77. Sunday Night: Partly cloudy, with a low around 49. Monday: A slight chance of showers and thunderstorms. Sunny, with a high near 79. | |
| Helena MT 46.58°N 112.01°W (Elev. 4111 ft) | |
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