| NWS Forecast for: Helena MT Issued by: National Weather Service Great Falls, MT Last Update: 12:32 am MDT May 11, 2026 | |
| Today: Sunny, with a high near 77. Light west wind becoming west northwest 11 to 16 mph in the morning. Winds could gust as high as 33 mph. Tonight: Mostly clear, with a low around 43. Northwest wind 10 to 15 mph becoming light west in the evening. Winds could gust as high as 30 mph. Tuesday: Sunny, with a high near 82. Calm wind becoming east northeast 5 to 8 mph in the afternoon. Winds could gust as high as 20 mph. Tuesday Night: Partly cloudy, with a low around 51. East northeast wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 20 mph. Wednesday: Mostly sunny, with a high near 89. Light south wind increasing to 6 to 11 mph in the afternoon. Winds could gust as high as 26 mph. Wednesday Night: Showers and thunderstorms likely before 9pm, then showers likely and possibly a thunderstorm between 9pm and midnight, then a chance of showers after midnight. Mostly cloudy, with a low around 52. West southwest wind 13 to 15 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. Thursday: A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 72. Breezy, with a west southwest wind 14 to 19 mph increasing to 21 to 26 mph in the morning. Winds could gust as high as 55 mph. Chance of precipitation is 50%. Thursday Night: A slight chance of rain before midnight. Partly cloudy, with a low around 46. Breezy, with a southwest wind 17 to 22 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 39 mph. Friday: Mostly sunny, with a high near 73. Friday Night: A slight chance of rain before midnight. Partly cloudy, with a low around 44. Saturday: Mostly sunny, with a high near 66. Breezy. Saturday Night: A slight chance of rain. Partly cloudy, with a low around 40. Breezy. Sunday: A slight chance of rain. Mostly sunny, with a high near 63. | |
| Helena MT 46.58°N 112.01°W (Elev. 4111 ft) | |
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