Great Falls weather live forecast

Today's maximum temperature in Great Falls is expected to be 6°C. Select a day from the live weather forecast for Great Falls, Montana, USA for more weather parameters.

Wednesday
7th Jan
6

-3

8

1
Thursday
8th Jan
4

-5

0

1
Friday
9th Jan
5

-5

4

1
Saturday
10th Jan
9

-1

8

1
Sunday
11th Jan
10

1

1

0

5-day weather forecast updated at 04:01 on Wednesday 7th 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 Wednesday 7th January 2026

Expect scattered clouds in Great Falls, Montana with a maximum temperature of 6°C, maximum UV of 1 (Low) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a strong breeze of 45 kph from the south-west.

6
°C maximum temperature
-3
°C minimum temperature
scattered clouds
8
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
0
°C wind chill
45
kph wind from SW

Great Falls weather for Thursday 8th January 2026

Expect overcast skies in Great Falls, Montana with a maximum temperature of 4°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 37 kph from the south-west.

4
°C maximum temperature
-5
°C minimum temperature
overcast skies
0
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
-2
°C wind chill
37
kph wind from SW

Great Falls weather for Friday 9th January 2026

Expect broken clouds in Great Falls, Montana with a maximum temperature of 5°C, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 36 kph from the west.

5
°C maximum temperature
-5
°C minimum temperature
broken clouds
4
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
0
°C wind chill
36
kph wind from W

Great Falls weather for Saturday 10th January 2026

Expect scattered clouds in Great Falls, Montana with a maximum temperature of 9°C, maximum UV of 1 (Low) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 30 kph from the south-west.

9
°C maximum temperature
-1
°C minimum temperature
scattered clouds
8
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
6
°C wind chill
30
kph wind from SW

Great Falls weather for Sunday 11th January 2026

Expect broken clouds in Great Falls, Montana with a maximum temperature of 10°C and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 36 kph from the south-west.