Great Falls weather live forecast

Today's maximum temperature in Great Falls is expected to be 13°C. Select a day from the live weather forecast for Great Falls, Montana, USA for more weather parameters.

Saturday
31st Jan
13

5

7

1
Sunday
1st Feb
13

5

0

2
Monday
2nd Feb
12

3

10

1
Tuesday
3rd Feb
12

2

9

1
Wednesday
4th Feb
15

1

3

1

5-day weather forecast updated at 04:00 on Saturday 31st January 2026 GMT

More about Great Falls

Great Falls by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Montana

Travelsphere: up to £800 off worldwide holidays

Sale

Save up to £800 per couple on selected worldwide tours
Plus save up to £300 per couple on European tours
Book tours online in Travelsphere New Year sale

Go to Travelsphere deal >>

Expires at 23:59 on Saturday 28th Feb 2026 · View all Travelsphere offers

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 Saturday 31st January 2026

Expect sunshine and showers in Great Falls, Montana with a maximum temperature of 13°C, maximum UV of 1 (Low) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 4% chance of some rain and a fresh breeze of 34 kph from the south-west.

13
°C maximum temperature
5
°C minimum temperature
sunshine and showers
7
hours of sunshine
1
UV index (Low)
4
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
34
kph wind from SW

Great Falls weather for Sunday 1st February 2026

Expect broken clouds in Great Falls, Montana with a maximum temperature of 13°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 30 kph from the south-west.

13
°C maximum temperature
5
°C minimum temperature
broken clouds
0
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
30
kph wind from SW

Great Falls weather for Monday 2nd February 2026

Expect scattered clouds in Great Falls, Montana with a maximum temperature of 12°C, maximum UV of 1 (Low) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 32 kph from the south-west.

12
°C maximum temperature
3
°C minimum temperature
scattered clouds
10
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
12
°C wind chill
32
kph wind from SW

Great Falls weather for Tuesday 3rd February 2026

Expect scattered clouds in Great Falls, Montana with a maximum temperature of 12°C, maximum UV of 1 (Low) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the south-west.

12
°C maximum temperature
2
°C minimum temperature
scattered clouds
9
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
12
°C wind chill
22
kph wind from SW

Great Falls weather for Wednesday 4th February 2026

Expect broken clouds in Great Falls, Montana with a maximum temperature of 15°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 29 kph from the south-west.