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.

Tuesday
27th Jan
6

-1

9

1
Wednesday
28th Jan
6

-1

1

1
Thursday
29th Jan
8

-2

5

1
Friday
30th Jan
9

0

1

1
Saturday
31st Jan
11

-1

6

1

5-day weather forecast updated at 04:00 on Tuesday 27th 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 Tuesday 27th January 2026

Expect scattered clouds in Great Falls, Montana with a maximum temperature of 6°C, maximum UV of 1 (Low) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the south-west.

6
°C maximum temperature
-1
°C minimum temperature
scattered clouds
9
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
2
°C wind chill
23
kph wind from SW

Great Falls weather for Wednesday 28th January 2026

Expect mostly cloudy with light snow in Great Falls, Montana with a maximum temperature of 6°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0-2 cm of snow expected with 25% chance of some snow and a fresh breeze of 31 kph from the south-west.

6
°C maximum temperature
-1
°C minimum temperature
mostly cloudy with light snow
1
hour of sunshine
1
UV index (Low)
25
% chance of some snow
<2
cm of snow expected
2
°C wind chill
31
kph wind from SW

Great Falls weather for Thursday 29th January 2026

Expect broken clouds in Great Falls, Montana with a maximum temperature of 8°C, maximum UV of 1 (Low) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 3% chance of some rain and a fresh breeze of 29 kph from the south-west.

8
°C maximum temperature
-2
°C minimum temperature
broken clouds
5
hours of sunshine
1
UV index (Low)
3
% chance of some rain
<2
mm of rainfall expected
4
°C wind chill
29
kph wind from SW

Great Falls weather for Friday 30th January 2026

Expect broken clouds in Great Falls, Montana with a maximum temperature of 9°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 31 kph from the south-west.

9
°C maximum temperature
0
°C minimum temperature
broken clouds
1
hour of sunshine
1
UV index (Low)
0
mm of rainfall expected
5
°C wind chill
31
kph wind from SW

Great Falls weather for Saturday 31st January 2026

Expect broken clouds in Great Falls, Montana with a maximum temperature of 11°C, maximum UV of 1 (Low) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 32 kph from the south-west.