Great Falls weather live forecast

Today's maximum temperature in Great Falls is expected to be 18°C. Select a day from the live weather forecast for Great Falls, Montana, USA for more weather parameters.

Thursday
5th Feb
18

4

10

2
Friday
6th Feb
16

1

9

2
Saturday
7th Feb
16

5

9

2
Sunday
8th Feb
14

6

6

1
Monday
9th Feb
11

2

1

1

5-day weather forecast updated at 04:01 on Thursday 5th February 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 February 2026

Expect clear skies in Great Falls, Montana with a maximum temperature of 18°C, maximum UV of 2 (Low) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 28 kph from the south-west.

18
°C maximum temperature
4
°C minimum temperature
clear skies
10
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
28
kph wind from SW

Great Falls weather for Friday 6th February 2026

Expect scattered clouds in Great Falls, Montana with a maximum temperature of 16°C, maximum UV of 2 (Low) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 24 kph from the south-west.

16
°C maximum temperature
1
°C minimum temperature
scattered clouds
9
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
24
kph wind from SW

Great Falls weather for Saturday 7th February 2026

Expect scattered clouds in Great Falls, Montana with a maximum temperature of 16°C, maximum UV of 2 (Low) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 34 kph from the south-west.

16
°C maximum temperature
5
°C minimum temperature
scattered clouds
9
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
34
kph wind from SW

Great Falls weather for Sunday 8th February 2026

Expect sunshine and showers in Great Falls, Montana with a maximum temperature of 14°C, maximum UV of 1 (Low) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and a fresh breeze of 33 kph from the south-west.

14
°C maximum temperature
6
°C minimum temperature
sunshine and showers
6
hours of sunshine
1
UV index (Low)
25
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
33
kph wind from SW

Great Falls weather for Monday 9th February 2026

Expect cloudy with sleet or snow in Great Falls, Montana with a maximum temperature of 11°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0-2 mm of sleet/snow expected with 33% chance of some sleet or snow and a fresh breeze of 32 kph from the west.