Great Falls weather live forecast

Today's maximum temperature in Great Falls is expected to be 43°F. Select a day from the live weather forecast for Great Falls, Montana, USA for more weather parameters.

Tuesday
27th Jan
43

30

9

1
Wednesday
28th Jan
43

30

1

1
Thursday
29th Jan
46

28

5

1
Friday
30th Jan
48

32

1

1
Saturday
31st Jan
52

30

6

1

5-day weather forecast updated at 04:00 on Tuesday 27th January 2026 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 Tuesday 27th January 2026

Expect scattered clouds in Great Falls, Montana with a maximum temperature of 43°F, maximum UV of 1 (Low) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 14 mph from the south-west.

43
°F maximum temperature
30
°F minimum temperature
scattered clouds
9
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
36
°F wind chill
14
mph wind from SW

Great Falls weather for Wednesday 28th January 2026

Expect mostly cloudy with light snow in Great Falls, Montana with a maximum temperature of 43°F, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0-2 cm of snow expected with 25% chance of some snow and a fresh breeze of 19 mph from the south-west.

43
°F maximum temperature
30
°F minimum temperature
mostly cloudy with light snow
1
hour of sunshine
1
UV index (Low)
25
% chance of some snow
<2
cm of snow expected
36
°F wind chill
19
mph wind from SW

Great Falls weather for Thursday 29th January 2026

Expect broken clouds in Great Falls, Montana with a maximum temperature of 46°F, maximum UV of 1 (Low) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 3% chance of some rain and a fresh breeze of 18 mph from the south-west.

46
°F maximum temperature
28
°F minimum temperature
broken clouds
5
hours of sunshine
1
UV index (Low)
3
% chance of some rain
<2
mm of rainfall expected
39
°F wind chill
18
mph wind from SW

Great Falls weather for Friday 30th January 2026

Expect broken clouds in Great Falls, Montana with a maximum temperature of 48°F, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 19 mph from the south-west.

48
°F maximum temperature
32
°F minimum temperature
broken clouds
1
hour of sunshine
1
UV index (Low)
0
mm of rainfall expected
41
°F wind chill
19
mph wind from SW

Great Falls weather for Saturday 31st January 2026

Expect broken clouds in Great Falls, Montana with a maximum temperature of 52°F, maximum UV of 1 (Low) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 20 mph from the south-west.