Weather forecast for: Helena MT
Last Update: 12:31 pm MDT Sep 11, 2026
This Afternoon: A 40 percent chance of showers and thunderstorms, mainly before 3pm. Partly sunny, with a high near 63. North wind 8 to 13 mph, with gusts as high as 23 mph.
Tonight: Mostly cloudy, with a low around 44. North wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 23 mph.
Saturday: Cloudy, then gradually becoming mostly sunny, with a high near 64. Light and variable wind becoming north northwest 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph.
Saturday Night: Mostly cloudy, with a low around 43. North northwest wind 6 to 11 mph becoming light after midnight. Winds could gust as high as 21 mph.
Sunday: Rain likely, mainly after noon. Partly sunny, with a high near 66. Calm wind becoming north 5 to 7 mph in the afternoon. Chance of precipitation is 60%.
Sunday Night: A 30 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 44. West northwest wind 7 to 10 mph becoming southwest after midnight. Winds could gust as high as 22 mph.
Monday: Mostly sunny, with a high near 62. Southwest wind 13 to 21 mph, with gusts as high as 36 mph.
Monday Night: Mostly clear, with a low around 38. West northwest wind 5 to 10 mph becoming light west after midnight. Winds could gust as high as 21 mph.
Tuesday: Mostly sunny, with a high near 64.
Tuesday Night: Partly cloudy, with a low around 42.
Wednesday: A slight chance of showers. Mostly sunny, with a high near 63.
Wednesday Night: Partly cloudy, with a low around 41.
Thursday: Sunny, with a high near 73.
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