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Today Hourly 7 days 30 days December
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December 2026 Weather | Great Falls, Montana

Tue 12/1
Cloudy Weather
Day 32°
Night 27°
75
Wed 12/2
Cloudy Weather
Day 39°
Night 28°
80
Thu 12/3
Cloudy Weather
Day 39°
Night 27°
0
Fri 12/4
Cloudy Weather
Day 37°
Night 27°
22
Sat 12/5
Snowy Weather
Day 34°
Night 25°
92
Sun 12/6
Cloudy Weather
Day 34°
Night 19°
40
Mon 12/7
Cloudy Weather
Day 30°
Night 18°
55
Tue 12/8
Cloudy Weather
Day 36°
Night 25°
55
Wed 12/9
Cloudy Weather
Day 41°
Night 23°
55
Thu 12/10
Cloudy Weather
Day 39°
Night 25°
55
Fri 12/11
Cloudy Weather
Day 43°
Night 21°
Sat 12/12
Sunny Weather
Day 43°
Night 21°
65
Sun 12/13
Cloudy Weather
Day 43°
Night 23°
0
Mon 12/14
Cloudy Weather
Day 36°
Night 23°
49
Tue 12/15
Icy Road Conditions
Day 34°
Night 18°
55
Wed 12/16
Icy Road Conditions
Day 37°
Night 12°
65
Thu 12/17
Snowy Weather
Day 34°
Night 19°
40
Fri 12/18
Cloudy Weather
Day 30°
Night 19°
55
Sat 12/19
Snowy Weather
Day 34°
Night 25°
25
Sun 12/20
Cloudy Weather
Day 36°
Night 18°
2
Mon 12/21
Cloudy Weather
Day 36°
Night 16°
49
Tue 12/22
Cloudy Weather
Day 30°
Night 21°
0
Wed 12/23
Cloudy Weather
Day 34°
Night 12°
0
Thu 12/24
Snowy Weather
Day 36°
Night 19°
96
Fri 12/25
Cloudy Weather
Day 30°
Night 18°
55
Sat 12/26
Icy Road Conditions
Day 36°
Night 7°
25
Sun 12/27
Snowy Weather
Day 36°
Night 3°
0
Mon 12/28
Snowy Weather
Day 25°
Night 12°
0
Tue 12/29
Snowy Weather
Day 27°
Night 9°
0
Wed 12/30
Snowy Weather
Day 30°
Night 9°
0
Thu 12/31
Cloudy Weather
Day 27°
Night 19°
0

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