| National Weather Service Forecast for:
Helena MT Issued by: National Weather Service Great Falls, MT |
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| Updated: 10:52 am MDT Oct 6, 2026 | ||||||||||||||||||
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| This Afternoon |
Sunny, with a high near 79. Light west wind increasing to 6 to 11 mph. Winds could gust as high as 23 mph. |
| Tonight |
Partly cloudy, with a low around 46. West southwest wind 5 to 7 mph becoming calm after midnight. |
| Wednesday |
Sunny, with a high near 76. Calm wind becoming north around 5 mph in the afternoon. |
| Wednesday Night |
Mostly clear, with a low around 44. West southwest wind around 6 mph becoming calm after midnight. |
| Thursday |
Sunny, with a high near 77. Calm wind becoming north northwest around 6 mph in the afternoon. |
| Thursday Night |
Mostly clear, with a low around 48. Light and variable wind becoming south southwest around 6 mph in the evening. |
| Friday |
Mostly sunny, with a high near 80. Light south southwest wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 29 mph. |
| Friday Night |
Partly cloudy, with a low around 43. West southwest wind 7 to 11 mph, with gusts as high as 22 mph. |
| Saturday |
A chance of rain before 9am, then a chance of rain and snow between 9am and noon, then a chance of rain after noon. Partly sunny, with a high near 55. |
| Saturday Night |
Rain and snow, becoming all snow after 3am. Mostly cloudy, with a low around 30. |
| Sunday |
Snow. Mostly cloudy, with a high near 39. |
| Sunday Night |
Snow likely. Mostly cloudy, with a low around 27. |
| Columbus Day |
A chance of rain and snow. Partly sunny, with a high near 46. |
Forecast from NOAA-NWS for Helena MT.
