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December 15th, 2025 :: 1:19 pm MST   

Local Weather Report for
Great Falls
Montana, United States

 Current Great Falls Weather Conditions Updated December 15th at 11:53 am 
Temperature:59°F Dew Point:27°F
Barometer:29.83 inHg Wind:N 51 Mph
Humidity:28.7% Visibility:0M
 
 Great Falls Weather Forecast Summary  
 
Today
Dec 15th
Tuesday
Dec 16th
Wednesday
Dec 17th
Thursday
Dec 18th
Friday
Dec 19th
Cloudy Cloudy Mix of rain and snow Cloudy Cloudy
56°F
47°F
43°F
50°F
20°F
46°F
31°F
48°F
26°F
 
 Great Falls Detailed Weather Forecast  
 
Monday, December 15th, 2025
Afternoon Temperature: 53°F
Cloudy. Wind 20 to 30 mph.
Evening Temperature: 51°F
Clear. Wind 40 to 50 mph.
Tuesday, December 16th, 2025
Overnight Temperature: 44°F
Clear. Wind 40 to 50 mph.
Morning Temperature: 46°F
A mix of cloud and sun. Wind 20 to 30 mph.
Afternoon Temperature: 46°F
A mix of cloud and sun. Windy.
Evening Temperature: 44°F
Cloudy. Windy at times.
Wednesday, December 17th, 2025
Overnight Temperature: 49°F
Cloudy. Windy.
Morning Temperature: 40°F
Cloudy. Wind 35 to 45 mph.
Afternoon Temperature: 28°F
Cloudy with flurries or showers likely. Risk of freezing rain. Wind 25 to 40 mph.
Evening Temperature: 25°F
Clear with cloudy periods with a chance of flurries. Windy at times.
Thursday, December 18th, 2025
Overnight Temperature: 31°F
Cloudy. Windy.
Morning Temperature: 36°F
Cloudy with a chance of showers. Showers possibly mixed with wet flurries. Windy at times.
Afternoon Temperature: 36°F
Cloudy with a chance of showers. Showers possibly mixed with wet flurries. Windy.
Evening Temperature: 45°F
Cloudy. Wind 20 to 30 mph.
Friday, December 19th, 2025
Overnight Temperature: 47°F
Cloudy. Wind 20 to 30 mph.
Morning Temperature: 48°F
Sunny with cloudy periods. Wind 20 to 30 mph.
Afternoon Temperature: 39°F
Cloudy. Windy.
Evening Temperature: 28°F
Cloudy with a chance of flurries. Windy at times.
Saturday, December 20th, 2025
Overnight Temperature: 29°F
Clear. Windy.
Morning Temperature: 34°F
Sunny. Wind 20 to 30 mph.
Afternoon Temperature: 31°F
Cloudy. Windy.
Evening Temperature: 31°F
A mix of cloudy and clear skies. Windy.
Sunday, December 21st, 2025
Overnight Temperature: 30°F
Clear with cloudy periods. Windy at times.
Morning Temperature: 39°F
Cloudy.
Afternoon Temperature: 33°F
Cloudy.
Evening Temperature: 37°F
Cloudy. Windy at times.
Monday, December 22nd, 2025
Overnight Temperature: 37°F
Clear. Wind 20 to 30 mph.
Morning Temperature: 39°F
Sunny with cloudy periods. Wind 20 to 30 mph.
Afternoon Temperature: 33°F
Sunny. Wind 20 to 30 mph.
Evening Temperature: 31°F
Clear. Windy.
Tuesday, December 23rd, 2025
Overnight Temperature: 30°F
Clear with cloudy periods.
Morning Temperature: 37°F
Cloudy.
Afternoon Temperature: 34°F
Cloudy.
Evening Temperature: 34°F
Cloudy.





 

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This WeatherCity Weather Forecast for Great Falls, Montana, United States is computed using a computer-generated forecast model and should be considered experimental. Please confirm this weather information with your official weather information office

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