Great Falls weather live forecast

Today's maximum temperature in Great Falls is expected to be 9°C. Select a day from the live weather forecast for Great Falls, Montana, USA for more weather parameters.

Saturday
10th Jan
9

0

7

1
Sunday
11th Jan
11

4

4

1
Monday
12th Jan
12

8

5

1
Tuesday
13th Jan
13

6

3

1
Wednesday
14th Jan
15

5

8

1

5-day weather forecast updated at 04:00 on Friday 9th 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 Saturday 10th January 2026

Expect broken clouds in Great Falls, Montana with a maximum temperature of 9°C, maximum UV of 1 (Low) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 34 kph from the south-west.

9
°C maximum temperature
0
°C minimum temperature
broken clouds
7
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
5
°C wind chill
34
kph wind from SW

Great Falls weather for Sunday 11th January 2026

Expect sunshine and showers in Great Falls, Montana with a maximum temperature of 11°C, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 7% chance of some rain and a fresh breeze of 36 kph from the south-west.

11
°C maximum temperature
4
°C minimum temperature
sunshine and showers
4
hours of sunshine
1
UV index (Low)
7
% chance of some rain
<2
mm of rainfall expected
11
°C wind chill
36
kph wind from SW

Great Falls weather for Monday 12th January 2026

Expect broken clouds in Great Falls, Montana with a maximum temperature of 12°C, maximum UV of 1 (Low) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a strong breeze of 43 kph from the south-west.

12
°C maximum temperature
8
°C minimum temperature
broken clouds
5
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
43
kph wind from SW

Great Falls weather for Tuesday 13th January 2026

Expect broken clouds in Great Falls, Montana with a maximum temperature of 13°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 29 kph from the south-west.

13
°C maximum temperature
6
°C minimum temperature
broken clouds
3
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
29
kph wind from SW

Great Falls weather for Wednesday 14th January 2026

Expect scattered clouds in Great Falls, Montana with a maximum temperature of 15°C, maximum UV of 1 (Low) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 32 kph from the south-west.