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.

Wednesday
10th Dec
11

3

0

1
Thursday
11th Dec
10

-8

0

0
Friday
12th Dec
-7

-11

0

1
Saturday
13th Dec
-3

-12

2

1
Sunday
14th Dec
9

-3

2

1

5-day weather forecast updated at 04:01 on Wednesday 10th 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 Wednesday 10th December 2025

Expect mostly cloudy with light rain in Great Falls, Montana with a maximum temperature of 11°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 17% chance of some rain and a strong breeze of 39 kph from the south-west.

11
°C maximum temperature
3
°C minimum temperature
mostly cloudy with light rain
0
hours of sunshine
1
UV index (Low)
17
% chance of some rain
<2
mm of rainfall expected
11
°C wind chill
39
kph wind from SW

Great Falls weather for Thursday 11th December 2025

Expect cloudy with sleet or snow in Great Falls, Montana with a maximum temperature of 10°C and no hours of bright sunshine. There are 2-5 mm of sleet/snow expected with 68% chance of some sleet or snow and a strong breeze of 40 kph from the south-west.

10
°C maximum temperature
-8
°C minimum temperature
cloudy with sleet or snow
0
hours of sunshine
0
UV index (None)
68
% chance of some sleet or snow
<5
mm of sleet/snow expected
6
°C wind chill
40
kph wind from SW

Great Falls weather for Friday 12th December 2025

Expect overcast with light snow in Great Falls, Montana with a maximum temperature of -7°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 2-5 cm of snow expected with 96% chance of some snow and a moderate breeze of 21 kph from the north-east.

-7
°C maximum temperature
-11
°C minimum temperature
overcast with light snow
0
hours of sunshine
1
UV index (Low)
96
% chance of some snow
<5
cm of snow expected
-14
°C wind chill
21
kph wind from NE

Great Falls weather for Saturday 13th December 2025

Expect mostly cloudy with light snow in Great Falls, Montana with a maximum temperature of -3°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 0-2 cm of snow expected with 16% chance of some snow and a moderate breeze of 20 kph from the north-east.

-3
°C maximum temperature
-12
°C minimum temperature
mostly cloudy with light snow
2
hours of sunshine
1
UV index (Low)
16
% chance of some snow
<2
cm of snow expected
-9
°C wind chill
20
kph wind from NE

Great Falls weather for Sunday 14th December 2025

Expect broken clouds in Great Falls, Montana with a maximum temperature of 9°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 31 kph from the south-west.