Great Falls weather live forecast

Today's maximum temperature in Great Falls is expected to be 11°C. Select a day from the live weather forecast for Great Falls, Montana, USA for more weather parameters.

Thursday
15th Jan
11

0

2

1
Friday
16th Jan
4

-4

3

1
Saturday
17th Jan
9

-5

9

1
Sunday
18th Jan
2

-4

0

0
Monday
19th Jan
6

-6

9

1

5-day weather forecast updated at 04:01 on Friday 16th 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 Thursday 15th January 2026

Expect broken clouds in Great Falls, Montana with a maximum temperature of 11°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 37 kph from the north.

11
°C maximum temperature
0
°C minimum temperature
broken clouds
2
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
11
°C wind chill
37
kph wind from N

Great Falls weather for Friday 16th January 2026

Expect broken clouds in Great Falls, Montana with a maximum temperature of 4°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the north-west.

4
°C maximum temperature
-4
°C minimum temperature
broken clouds
3
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
-1
°C wind chill
23
kph wind from NW

Great Falls weather for Saturday 17th January 2026

Expect scattered clouds in Great Falls, Montana with a maximum temperature of 9°C, maximum UV of 1 (Low) and 9 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
-5
°C minimum temperature
scattered clouds
9
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
4
°C wind chill
34
kph wind from SW

Great Falls weather for Sunday 18th January 2026

Expect mostly cloudy with light snow in Great Falls, Montana with a maximum temperature of 2°C and no hours of bright sunshine. There are 0-2 cm of snow expected with 13% chance of some snow and a moderate breeze of 21 kph from the north-west.

2
°C maximum temperature
-4
°C minimum temperature
mostly cloudy with light snow
0
hours of sunshine
0
UV index (None)
13
% chance of some snow
<2
cm of snow expected
-3
°C wind chill
21
kph wind from NW

Great Falls weather for Monday 19th January 2026

Expect clear skies 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 24 kph from the south-west.