Great Falls weather live forecast

Today's maximum temperature in Great Falls is expected to be 45°F. Select a day from the live weather forecast for Great Falls, Montana, USA for more weather parameters.

Wednesday
11th Mar
45

25

3

2
Thursday
12th Mar
46

30

0

2
Friday
13th Mar
34

21

0

2
Saturday
14th Mar
32

12

1

3
Sunday
15th Mar
32

9

7

3

5-day weather forecast updated at 04:00 on Wednesday 11th 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 Wednesday 11th March 2026

Expect broken clouds in Great Falls, Montana with a maximum temperature of 45°F, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a strong breeze of 26 mph from the south-west.

45
°F maximum temperature
25
°F minimum temperature
broken clouds
3
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
34
°F wind chill
26
mph wind from SW

Great Falls weather for Thursday 12th March 2026

Expect overcast skies in Great Falls, Montana with a maximum temperature of 46°F, maximum UV of 2 (Low) and no hours of bright sunshine. There are 0 mm of rainfall expected and a fresh gale of 40 mph from the west.

46
°F maximum temperature
30
°F minimum temperature
overcast skies
0
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
36
°F wind chill
40
mph wind from W

Great Falls weather for Friday 13th March 2026

Expect cloudy with some snow in Great Falls, Montana with a maximum temperature of 34°F, maximum UV of 2 (Low) and no hours of bright sunshine. There are 5-10 cm of snow expected with 80% chance of some snow and a moderate breeze of 12 mph from the north-east.

34
°F maximum temperature
21
°F minimum temperature
cloudy with some snow
0
hours of sunshine
2
UV index (Low)
80
% chance of some snow
<10
cm of snow expected
25
°F wind chill
12
mph wind from NE

Great Falls weather for Saturday 14th March 2026

Expect cloudy with some snow in Great Falls, Montana with a maximum temperature of 32°F, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 5-10 cm of snow expected with 91% chance of some snow and a fresh breeze of 20 mph from the north.

32
°F maximum temperature
12
°F minimum temperature
cloudy with some snow
1
hour of sunshine
3
UV index (Moderate)
91
% chance of some snow
<10
cm of snow expected
19
°F wind chill
20
mph wind from N

Great Falls weather for Sunday 15th March 2026

Expect broken clouds in Great Falls, Montana with a maximum temperature of 32°F, maximum UV of 3 (Moderate) and 7 hours of bright sunshine. There are 0 cm of snow expected and a gentle breeze of 9 mph from the south-west.