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
26th Dec
48

34

4

1
Saturday
27th Dec
34

1

0

1
Sunday
28th Dec
30

5

7

1
Monday
29th Dec
45

27

8

1
Tuesday
30th Dec
46

32

4

1

5-day weather forecast updated at 04:01 on Thursday 25th December 2025 GMT

More about Great Falls

Great Falls by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Montana

Travelbag: up to 50% off 2026 holidays

Sale

Save up to 50% on 2026 holidays & tours with Travelbag
Book selected stays in popular destinations around the world
Travel between 1st Jan & 31st Dec 2026 (inclusive)

Go to Travelbag deal >>

Expires at 23:59 on Saturday 31st Jan 2026 · View all Travelbag offers

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 26th December 2025

Expect broken clouds in Great Falls, Montana with a maximum temperature of 48°F, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 17 mph from the south-west.

48
°F maximum temperature
34
°F minimum temperature
broken clouds
4
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
43
°F wind chill
17
mph wind from SW

Great Falls weather for Saturday 27th December 2025

Expect cloudy with sleet or snow in Great Falls, Montana with a maximum temperature of 34°F, maximum UV of 1 (Low) and no hours of bright sunshine. There are 0-2 mm of sleet/snow expected with 38% chance of some sleet or snow and a fresh breeze of 21 mph from the north-west.

34
°F maximum temperature
1
°F minimum temperature
cloudy with sleet or snow
0
hours of sunshine
1
UV index (Low)
38
% chance of some sleet or snow
<2
mm of sleet/snow expected
21
°F wind chill
21
mph wind from NW

Great Falls weather for Sunday 28th December 2025

Expect scattered clouds in Great Falls, Montana with a maximum temperature of 30°F, maximum UV of 1 (Low) and 7 hours of bright sunshine. There are 0 cm of snow expected and a moderate breeze of 17 mph from the south-west.

30
°F maximum temperature
5
°F minimum temperature
scattered clouds
7
hours of sunshine
1
UV index (Low)
0
cm of snow expected
18
°F wind chill
17
mph wind from SW

Great Falls weather for Monday 29th December 2025

Expect scattered clouds in Great Falls, Montana with a maximum temperature of 45°F, maximum UV of 1 (Low) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 21 mph from the south-west.

45
°F maximum temperature
27
°F minimum temperature
scattered clouds
8
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
36
°F wind chill
21
mph wind from SW

Great Falls weather for Tuesday 30th December 2025

Expect sunshine and showers in Great Falls, Montana with a maximum temperature of 46°F, maximum UV of 1 (Low) and 4 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.