Great Falls weather live forecast

Today's maximum temperature in Great Falls is expected to be 15°C. Select a day from the live weather forecast for Great Falls, Montana, USA for more weather parameters.

Sunday
8th Mar
15

-1

9

3
Monday
9th Mar
5

-4

8

3
Tuesday
10th Mar
3

-5

3

2
Wednesday
11th Mar
6

-4

2

3
Thursday
12th Mar
9

-2

0

2

5-day weather forecast updated at 04:00 on Sunday 8th March 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 Sunday 8th March 2026

Expect scattered clouds in Great Falls, Montana with a maximum temperature of 15°C, maximum UV of 3 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh gale of 62 kph from the west.

15
°C maximum temperature
-1
°C minimum temperature
scattered clouds
9
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
15
°C wind chill
62
kph wind from W

Great Falls weather for Monday 9th March 2026

Expect cloudy with sleet or snow in Great Falls, Montana with a maximum temperature of 5°C, maximum UV of 3 (Moderate) and 8 hours of bright sunshine. There are 0-2 mm of sleet/snow expected with 12% chance of some sleet or snow and a strong breeze of 42 kph from the west.

5
°C maximum temperature
-4
°C minimum temperature
cloudy with sleet or snow
8
hours of sunshine
3
UV index (Moderate)
12
% chance of some sleet or snow
<2
mm of sleet/snow expected
0
°C wind chill
42
kph wind from W

Great Falls weather for Tuesday 10th March 2026

Expect broken clouds in Great Falls, Montana with a maximum temperature of 3°C, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 36 kph from the west.

3
°C maximum temperature
-5
°C minimum temperature
broken clouds
3
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
-3
°C wind chill
36
kph wind from W

Great Falls weather for Wednesday 11th March 2026

Expect broken clouds in Great Falls, Montana with a maximum temperature of 6°C, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a strong breeze of 48 kph from the south-west.

6
°C maximum temperature
-4
°C minimum temperature
broken clouds
2
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
°C wind chill
48
kph wind from SW

Great Falls weather for Thursday 12th March 2026

Expect cloudy with sleet or snow in Great Falls, Montana with a maximum temperature of 9°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 2-5 mm of sleet/snow expected with 59% chance of some sleet or snow and a moderate gale of 55 kph from the south-west.