Great Falls weather live forecast

Today's maximum temperature in Great Falls is expected to be 0°C. Select a day from the live weather forecast for Great Falls, Montana, USA for more weather parameters.

Wednesday
24th Dec
0

-5

4

1
Thursday
25th Dec
7

-2

1

1
Friday
26th Dec
8

2

3

1
Saturday
27th Dec
2

-13

1

0
Sunday
28th Dec
2

-13

7

1

5-day weather forecast updated at 04:01 on Wednesday 24th 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 24th December 2025

Expect broken clouds in Great Falls, Montana with a maximum temperature of 0°C, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 0 cm of snow expected and a gentle breeze of 15 kph from the north-east.

0
°C maximum temperature
-5
°C minimum temperature
broken clouds
4
hours of sunshine
1
UV index (Low)
0
cm of snow expected
-5
°C wind chill
15
kph wind from NE

Great Falls weather for Thursday 25th December 2025

Expect cloudy with sleet or snow in Great Falls, Montana with a maximum temperature of 7°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 2-5 mm of sleet/snow expected with 12% chance of some sleet or snow and a gentle breeze of 19 kph from the south-west.

7
°C maximum temperature
-2
°C minimum temperature
cloudy with sleet or snow
1
hour of sunshine
1
UV index (Low)
12
% chance of some sleet or snow
<5
mm of sleet/snow expected
4
°C wind chill
19
kph wind from SW

Great Falls weather for Friday 26th December 2025

Expect mostly cloudy with light rain in Great Falls, Montana with a maximum temperature of 8°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 19% chance of some rain and a fresh breeze of 32 kph from the south-west.

8
°C maximum temperature
2
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
1
UV index (Low)
19
% chance of some rain
<2
mm of rainfall expected
4
°C wind chill
32
kph wind from SW

Great Falls weather for Saturday 27th December 2025

Expect mostly cloudy with light snow in Great Falls, Montana with a maximum temperature of 2°C and 1 hour of bright sunshine. There are 2-5 cm of snow expected with 33% chance of some snow and a fresh breeze of 37 kph from the north-west.

2
°C maximum temperature
-13
°C minimum temperature
mostly cloudy with light snow
1
hour of sunshine
0
UV index (None)
33
% chance of some snow
<5
cm of snow expected
-4
°C wind chill
37
kph wind from NW

Great Falls weather for Sunday 28th December 2025

Expect scattered clouds in Great Falls, Montana with a maximum temperature of 2°C, maximum UV of 1 (Low) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 25 kph from the south-west.