| NWS Forecast for: Great Falls International Airport MT Issued by: National Weather Service Great Falls, MT Last Update: 8:58 am MST Dec 12, 2025 | |
Today: Snow, mainly before 2pm. High near -12. Wind chill values as low as -25. East northeast wind 13 to 16 km/h. Chance of precipitation is 80%. Total daytime snow accumulation of 2 to 4 centimeters possible. Tonight: A slight chance of snow before 8pm, then a slight chance of freezing rain between 8pm and 10pm, then a chance of snow after 10pm. Cloudy, with a low around -15. Wind chill values as low as -20. Northeast wind 18 to 23 km/h becoming north northwest 11 to 16 km/h after midnight. Winds could gust as high as 32 km/h. Chance of precipitation is 50%. New snow accumulation of less than a half centimeter possible. Saturday: Partly sunny, with a high near 2. Wind chill values as low as -20. South southeast wind 5 to 10 km/h becoming east in the morning. Saturday Night: Partly cloudy, with a low around -5. Southeast wind 10 to 15 km/h becoming southwest 21 to 26 km/h in the evening. Winds could gust as high as 39 km/h. Sunday: Partly sunny, with a high near 11. South southwest wind around 27 km/h, with gusts as high as 42 km/h. Sunday Night: Mostly cloudy, with a low around 3. South southwest wind 24 to 27 km/h, with gusts as high as 42 km/h. Monday: Partly sunny, with a high near 12. Breezy, with a south southwest wind 27 to 35 km/h, with gusts as high as 60 km/h. Monday Night: Partly cloudy, with a low around 5. Breezy, with a southwest wind 34 to 39 km/h increasing to 40 to 45 km/h after midnight. Winds could gust as high as 70 km/h. Tuesday: A slight chance of rain. Mostly sunny, with a high near 11. Breezy. Tuesday Night: A chance of rain before 2am, then a chance of rain and snow. Mostly cloudy, with a low around 1. Breezy. Wednesday: A chance of rain and snow. Mostly sunny, with a high near 6. Breezy. Wednesday Night: Partly cloudy, with a low around -4. Thursday: A chance of snow. Partly sunny, with a high near 4. | |
| Great Falls International Airport MT 47.46°N 111.4°W (Elev. 3599 m) | |
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