Great Falls weather live forecast

Today's maximum temperature in Great Falls is expected to be 48°F. Select a day from the live weather forecast for Great Falls, Montana, USA for more weather parameters.

Friday
30th Jan
48

36

6

1
Saturday
31st Jan
54

32

8

1
Sunday
1st Feb
54

28

5

2
Monday
2nd Feb
52

32

0

1
Tuesday
3rd Feb
46

30

7

1

5-day weather forecast updated at 04:00 on Thursday 29th 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 Friday 30th January 2026

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 20 mph from the south-west.

48
°F maximum temperature
36
°F minimum temperature
broken clouds
6
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
43
°F wind chill
20
mph wind from SW

Great Falls weather for Saturday 31st January 2026

Expect scattered clouds in Great Falls, Montana with a maximum temperature of 54°F, maximum UV of 1 (Low) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 19 mph from the south-west.

54
°F maximum temperature
32
°F minimum temperature
scattered clouds
8
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
54
°F wind chill
19
mph wind from SW

Great Falls weather for Sunday 1st February 2026

Expect broken clouds in Great Falls, Montana with a maximum temperature of 54°F, maximum UV of 2 (Low) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 10 mph from the south-west.

54
°F maximum temperature
28
°F minimum temperature
broken clouds
5
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
10
mph wind from SW

Great Falls weather for Monday 2nd February 2026

Expect mostly cloudy with light rain in Great Falls, Montana with a maximum temperature of 52°F, maximum UV of 1 (Low) and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and a fresh breeze of 19 mph from the south-west.

52
°F maximum temperature
32
°F minimum temperature
mostly cloudy with light rain
0
hours of sunshine
1
UV index (Low)
25
% chance of some rain
<2
mm of rainfall expected
52
°F wind chill
19
mph wind from SW

Great Falls weather for Tuesday 3rd February 2026

Expect clear skies with flurries of snow in Great Falls, Montana with a maximum temperature of 46°F, maximum UV of 1 (Low) and 7 hours of bright sunshine. There are 0-2 cm of snow expected with 18% chance of some snow and a moderate breeze of 13 mph from the south-west.