| NWS Forecast for: Helena MT Issued by: National Weather Service Great Falls, MT Last Update: 2:46 pm MDT Jul 16, 2026 |  |
| This Afternoon: A 50 percent chance of showers and thunderstorms. Some of the storms could be severe. Partly sunny, with a high near 91. South southeast wind around 6 mph. Tonight: A 40 percent chance of showers and thunderstorms, mainly before 9pm. Some of the storms could be severe. Partly cloudy, with a low around 60. South southeast wind around 6 mph becoming calm in the evening. Friday: A 50 percent chance of showers and thunderstorms after 2pm. Some of the storms could be severe. Mostly sunny, with a high near 93. Calm wind becoming east southeast around 6 mph in the afternoon. Friday Night: Showers and thunderstorms likely, mainly before 10pm. Some of the storms could be severe. Cloudy during the early evening, then gradual clearing, with a low around 60. North wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 70%. Saturday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 93. Calm wind becoming northwest around 6 mph in the afternoon. Saturday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 60. Southwest wind 3 to 7 mph. Chance of precipitation is 30%. Sunday: Sunny, with a high near 94. Calm wind becoming west 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph. Sunday Night: Mostly clear, with a low around 57. West wind 5 to 9 mph, with gusts as high as 18 mph. Monday: Sunny, with a high near 88. Monday Night: A slight chance of showers. Partly cloudy, with a low around 60. Tuesday: A slight chance of showers and thunderstorms. Mostly sunny, with a high near 86. Tuesday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 60. Wednesday: A chance of showers and thunderstorms. Mostly sunny, with a high near 88. Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Thursday: A chance of showers and thunderstorms. Mostly sunny, with a high near 89. | |
| Helena MT 46.61°N 112.02°W (Elev. 3940 ft) | |
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