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.

Thursday
1st Jan
6

-4

0

1
Friday
2nd Jan
9

2

7

1
Saturday
3rd Jan
11

0

0

1
Sunday
4th Jan
5

-1

8

1

5-day weather forecast updated at 04:01 on Tuesday 30th December 2025 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 Thursday 1st January 2026

Expect broken clouds in Great Falls, Montana with a maximum temperature of 6°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the south-west.

6
°C maximum temperature
-4
°C minimum temperature
broken clouds
0
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
2
°C wind chill
22
kph wind from SW

Great Falls weather for Friday 2nd 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 33 kph from the south-west.

9
°C maximum temperature
2
°C minimum temperature
broken clouds
7
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
5
°C wind chill
33
kph wind from SW

Great Falls weather for Saturday 3rd January 2026

Expect broken clouds in Great Falls, Montana with a maximum temperature of 11°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 34 kph from the south-west.

11
°C maximum temperature
0
°C minimum temperature
broken clouds
0
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
11
°C wind chill
34
kph wind from SW

Great Falls weather for Sunday 4th January 2026

Expect scattered clouds in Great Falls, Montana with a maximum temperature of 5°C, maximum UV of 1 (Low) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 33 kph from the south-west.