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.

Thursday
5th Mar
6

1

0

1
Friday
6th Mar
7

-2

8

2
Saturday
7th Mar
12

-1

8

2
Sunday
8th Mar
14

4

7

3
Monday
9th Mar
9

-3

9

3

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

Expect cloudy with sleet or snow in Great Falls, Montana with a maximum temperature of 6°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 5-10 mm of sleet/snow expected with 58% chance of some sleet or snow and a moderate breeze of 21 kph from the north-west.

6
°C maximum temperature
1
°C minimum temperature
cloudy with sleet or snow
0
hours of sunshine
1
UV index (Low)
58
% chance of some sleet or snow
<10
mm of sleet/snow expected
2
°C wind chill
21
kph wind from NW

Great Falls weather for Friday 6th March 2026

Expect clear skies with flurries of snow in Great Falls, Montana with a maximum temperature of 7°C, maximum UV of 2 (Low) and 8 hours of bright sunshine. There are 0-2 cm of snow expected with 15% chance of some snow and a fresh breeze of 29 kph from the west.

7
°C maximum temperature
-2
°C minimum temperature
clear skies with flurries of snow
8
hours of sunshine
2
UV index (Low)
15
% chance of some snow
<2
cm of snow expected
3
°C wind chill
29
kph wind from W

Great Falls weather for Saturday 7th March 2026

Expect scattered clouds in Great Falls, Montana with a maximum temperature of 12°C, maximum UV of 2 (Low) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a strong breeze of 45 kph from the south-west.

12
°C maximum temperature
-1
°C minimum temperature
scattered clouds
8
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
12
°C wind chill
45
kph wind from SW

Great Falls weather for Sunday 8th March 2026

Expect broken clouds in Great Falls, Montana with a maximum temperature of 14°C, maximum UV of 3 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a strong breeze of 51 kph from the south-west.

14
°C maximum temperature
4
°C minimum temperature
broken clouds
7
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
51
kph wind from SW

Great Falls weather for Monday 9th March 2026

Expect broken clouds in Great Falls, Montana with a maximum temperature of 9°C, maximum UV of 3 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a strong breeze of 43 kph from the west.