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.

Monday
12th Oct
2

-2

3

4
Tuesday
13th Oct
8

-2

10

4
Wednesday
14th Oct
13

0

9

4
Thursday
15th Oct
13

2

10

3
Friday
16th Oct
19

4

11

3

5-day weather forecast updated at 04:00 on Tuesday 13th 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 Monday 12th October 2026

Expect mostly cloudy with light snow in Great Falls, Montana with a maximum temperature of 2°C, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 0-2 cm of snow expected and a gentle breeze of 17 kph from the north.

2
°C maximum temperature
-2
°C minimum temperature
mostly cloudy with light snow
3
hours of sunshine
4
UV index (Moderate)
<2
cm of snow expected
-2
°C wind chill
17
kph wind from N

Great Falls weather for Tuesday 13th October 2026

Expect scattered clouds in Great Falls, Montana with a maximum temperature of 8°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.

8
°C maximum temperature
-2
°C minimum temperature
scattered clouds
10
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
6
°C wind chill
16
kph wind from SW

Great Falls weather for Wednesday 14th October 2026

Expect scattered clouds in Great Falls, Montana with a maximum temperature of 13°C, maximum UV of 4 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the south-west.

13
°C maximum temperature
0
°C minimum temperature
scattered clouds
9
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
23
kph wind from SW

Great Falls weather for Thursday 15th October 2026

Expect clear skies in Great Falls, Montana with a maximum temperature of 13°C, maximum UV of 3 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the south-west.

13
°C maximum temperature
2
°C minimum temperature
clear skies
10
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
13
°C wind chill
13
kph wind from SW

Great Falls weather for Friday 16th October 2026

Expect clear skies in Great Falls, Montana with a maximum temperature of 19°C, maximum UV of 3 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 28 kph from the south-west.