Great Falls weather live forecast

Today's maximum temperature in Great Falls is expected to be 26°C. Select a day from the live weather forecast for Great Falls, Montana, USA for more weather parameters.

Thursday
8th Oct
26

7

10

4
Friday
9th Oct
25

12

8

3
Saturday
10th Oct
12

-1

0

1
Sunday
11th Oct
1

-3

1

3
Monday
12th Oct
5

-3

3

4

5-day weather forecast updated at 04:00 on Thursday 8th October 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

GO Airport Shuttle discount code: 5% off airport transfers

Discount Code

Save EXTRA 5% on airport transfers worldwide
Book private taxis & shuttle buses with discount code
Enter in coupon box on 'Reservations' page

Show discount code

******WEB

Redeem GO Airport Shuttle discount code >>

Expires at 23:59 on Thursday 31st Dec 2026

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 8th October 2026

Expect scattered clouds in Great Falls, Montana with a maximum temperature of 26°C, maximum UV of 4 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the south-west.

26
°C maximum temperature
7
°C minimum temperature
scattered clouds
10
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
26
°C wind chill
16
kph wind from SW

Great Falls weather for Friday 9th October 2026

Expect scattered clouds in Great Falls, Montana with a maximum temperature of 25°C, maximum UV of 3 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a strong breeze of 40 kph from the south-west.

25
°C maximum temperature
12
°C minimum temperature
scattered clouds
8
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
25
°C wind chill
40
kph wind from SW

Great Falls weather for Saturday 10th October 2026

Expect cloudy with sleet or snow in Great Falls, Montana with a maximum temperature of 12°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 10-20 mm of sleet/snow expected with 97% chance of some sleet or snow and a moderate breeze of 24 kph from the north.

12
°C maximum temperature
-1
°C minimum temperature
cloudy with sleet or snow
0
hours of sunshine
1
UV index (Low)
97
% chance of some sleet or snow
<20
mm of sleet/snow expected
12
°C wind chill
24
kph wind from N

Great Falls weather for Sunday 11th October 2026

Expect cloudy with some snow in Great Falls, Montana with a maximum temperature of 1°C, 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 moderate breeze of 26 kph from the north-east.

1
°C maximum temperature
-3
°C minimum temperature
cloudy with some snow
1
hour of sunshine
3
UV index (Moderate)
91
% chance of some snow
<10
cm of snow expected
-5
°C wind chill
26
kph wind from NE

Great Falls weather for Monday 12th October 2026

Expect broken clouds in Great Falls, Montana with a maximum temperature of 5°C, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the south.