Great Falls weather live forecast

Today's maximum temperature in Great Falls is expected to be 2°C. Select a day from the live weather forecast for Great Falls, Montana, USA for more weather parameters.

Sunday
11th Oct
2

-1

0

1
Monday
12th Oct
3

-2

2

4
Tuesday
13th Oct
7

-2

11

4
Wednesday
14th Oct
12

-1

8

4
Thursday
15th Oct
12

1

11

4

5-day weather forecast updated at 04:00 on Sunday 11th 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

Intrepid Travel sale: up to 15% off selected trips

Sale

Save up to 15% on selected small trips worldwide
Book tours across Europe, Africa, Asia & the Americas
Travel before 31st March 2027 (inclusive)

Go to Intrepid Travel deal >>

Expires at 23:59 on Saturday 31st Oct 2026 · View all Intrepid Travel 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 Sunday 11th October 2026

Expect cloudy with some snow in Great Falls, Montana with a maximum temperature of 2°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 10-20 cm of snow expected with 100% chance of some snow and a moderate breeze of 23 kph from the north-east.

2
°C maximum temperature
-1
°C minimum temperature
cloudy with some snow
0
hours of sunshine
1
UV index (Low)
100
% chance of some snow
<20
cm of snow expected
-3
°C wind chill
23
kph wind from NE

Great Falls weather for Monday 12th October 2026

Expect mostly cloudy with snow in Great Falls, Montana with a maximum temperature of 3°C, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 5-10 cm of snow expected with 34% chance of some snow and a gentle breeze of 18 kph from the north.

3
°C maximum temperature
-2
°C minimum temperature
mostly cloudy with snow
2
hours of sunshine
4
UV index (Moderate)
34
% chance of some snow
<10
cm of snow expected
-1
°C wind chill
18
kph wind from N

Great Falls weather for Tuesday 13th October 2026

Expect clear skies in Great Falls, Montana with a maximum temperature of 7°C, maximum UV of 4 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the south-west.

7
°C maximum temperature
-2
°C minimum temperature
clear skies
11
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
5
°C wind chill
14
kph wind from SW

Great Falls weather for Wednesday 14th October 2026

Expect scattered clouds in Great Falls, Montana with a maximum temperature of 12°C, maximum UV of 4 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the south-west.

12
°C maximum temperature
-1
°C minimum temperature
scattered clouds
8
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
19
kph wind from SW

Great Falls weather for Thursday 15th October 2026

Expect scattered clouds in Great Falls, Montana with a maximum temperature of 12°C, maximum UV of 4 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the west.