


NWS Forecast for: Helena MT Issued by: National Weather Service Great Falls, MT Last Update: 4:16 am MDT Mar 18, 2025 | ![]() |
Today: A 40 percent chance of snow, mainly after 2pm. Partly sunny, with a high near 4. West northwest wind 14 to 19 km/h increasing to 21 to 26 km/h in the afternoon. Winds could gust as high as 45 km/h. Little or no snow accumulation expected. Tonight: A 20 percent chance of snow before 7pm. Mostly cloudy, then gradually becoming clear, with a low around -6. West wind 19 to 24 km/h decreasing to 11 to 16 km/h after midnight. Winds could gust as high as 40 km/h. Wednesday: Sunny, with a high near 8. West southwest wind around 11 km/h. Wednesday Night: Mostly cloudy, with a low around -1. South wind 10 to 14 km/h, with gusts as high as 32 km/h. Thursday: Snow likely, mainly after noon. Mostly cloudy, with a high near 7. South southwest wind 11 to 21 km/h becoming west 24 to 34 km/h in the afternoon. Winds could gust as high as 65 km/h. Chance of precipitation is 60%. New snow accumulation of less than a half centimeter possible. Thursday Night: Partly cloudy, with a low around -3. Breezy, with a west wind 32 to 37 km/h decreasing to 18 to 23 km/h after midnight. Winds could gust as high as 70 km/h. Friday: Partly sunny, with a high near 9. South southwest wind 16 to 24 km/h, with gusts as high as 50 km/h. Friday Night: A chance of rain and snow before 9pm, then a chance of snow. Mostly cloudy, with a low around 0. Southwest wind 16 to 21 km/h, with gusts as high as 45 km/h. Saturday: A chance of snow. Partly sunny, with a high near 6. Breezy. Saturday Night: Mostly cloudy, with a low around -2. Breezy. Sunday: A slight chance of rain and snow. Partly sunny, with a high near 8. Sunday Night: A chance of rain and snow. Mostly cloudy, with a low around 3. Monday: A chance of rain and snow. Mostly cloudy, with a high near 12. | |
Helena MT 46.58°N 112.04°W (Elev. 4413 m) | |
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