Great Falls weather live forecast

Today's maximum temperature in Great Falls is expected to be 54°F. Select a day from the live weather forecast for Great Falls, Montana, USA for more weather parameters.

Thursday
11th Dec
54

18

0

0
Friday
12th Dec
16

9

0

1
Saturday
13th Dec
39

7

3

1
Sunday
14th Dec
48

39

6

1
Monday
15th Dec
52

39

3

1

5-day weather forecast updated at 04:01 on Thursday 11th December 2025 GMT

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The 5-day weather forecast for Montana (Great Falls) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Great Falls weather forecast by day

Below are the detailed weather forecasts for Great Falls for the next 5 days.

Great Falls weather for Thursday 11th December 2025

Expect cloudy with sleet or snow in Great Falls, Montana with a maximum temperature of 54°F and no hours of bright sunshine. There are 5-10 mm of sleet/snow expected with 68% chance of some sleet or snow and a strong breeze of 28 mph from the west.

54
°F maximum temperature
18
°F minimum temperature
cloudy with sleet or snow
0
hours of sunshine
0
UV index (None)
68
% chance of some sleet or snow
<10
mm of sleet/snow expected
54
°F wind chill
28
mph wind from W

Great Falls weather for Friday 12th December 2025

Expect overcast with light snow in Great Falls, Montana with a maximum temperature of 16°F, maximum UV of 1 (Low) and no hours of bright sunshine. There are 2-5 cm of snow expected with 98% chance of some snow and a gentle breeze of 12 mph from the north-east.

16
°F maximum temperature
9
°F minimum temperature
overcast with light snow
0
hours of sunshine
1
UV index (Low)
98
% chance of some snow
<5
cm of snow expected
3
°F wind chill
12
mph wind from NE

Great Falls weather for Saturday 13th December 2025

Expect mostly cloudy with light snow in Great Falls, Montana with a maximum temperature of 39°F, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 0-2 cm of snow expected with 15% chance of some snow and a moderate breeze of 16 mph from the south-west.

39
°F maximum temperature
7
°F minimum temperature
mostly cloudy with light snow
3
hours of sunshine
1
UV index (Low)
15
% chance of some snow
<2
cm of snow expected
30
°F wind chill
16
mph wind from SW

Great Falls weather for Sunday 14th December 2025

Expect broken clouds in Great Falls, Montana with a maximum temperature of 48°F, maximum UV of 1 (Low) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 18 mph from the south-west.

48
°F maximum temperature
39
°F minimum temperature
broken clouds
6
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
41
°F wind chill
18
mph wind from SW

Great Falls weather for Monday 15th December 2025

Expect broken clouds in Great Falls, Montana with a maximum temperature of 52°F, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 24 mph from the south-west.