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.

Thursday
29th Oct
45

30

1

2
Friday
30th Oct
41

32

1

1
Saturday
31st Oct
52

32

2

2
Sunday
1st Nov
41

34

0

1
Monday
2nd Nov
48

32

8

2

5-day weather forecast updated at 04:00 on Thursday 29th October 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 29th October 2026

Expect broken clouds in Great Falls, Montana with a maximum temperature of 45°F, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 11 mph from the north-east.

45
°F maximum temperature
30
°F minimum temperature
broken clouds
1
hour of sunshine
2
UV index (Low)
0
mm of rainfall expected
39
°F wind chill
11
mph wind from NE

Great Falls weather for Friday 30th October 2026

Expect overcast skies in Great Falls, Montana with a maximum temperature of 41°F, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 mph from the north-east.

41
°F maximum temperature
32
°F minimum temperature
overcast skies
1
hour of sunshine
1
UV index (Low)
0
mm of rainfall expected
36
°F wind chill
7
mph wind from NE

Great Falls weather for Saturday 31st October 2026

Expect fog in low lying areas in Great Falls, Montana with a maximum temperature of 52°F, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 8 mph from the east.

52
°F maximum temperature
32
°F minimum temperature
fog in low lying areas
2
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
52
°F wind chill
8
mph wind from E

Great Falls weather for Sunday 1st November 2026

Expect mostly cloudy with rain in Great Falls, Montana with a maximum temperature of 41°F, maximum UV of 1 (Low) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 95% chance of some rain and a gentle breeze of 11 mph from the north-west.

41
°F maximum temperature
34
°F minimum temperature
mostly cloudy with rain
0
hours of sunshine
1
UV index (Low)
95
% chance of some rain
<10
mm of rainfall expected
34
°F wind chill
11
mph wind from NW

Great Falls weather for Monday 2nd November 2026

Expect sunshine and showers in Great Falls, Montana with a maximum temperature of 48°F, maximum UV of 2 (Low) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 15% chance of some rain and a gentle breeze of 11 mph from the south-west.