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.

Friday
10th Apr
18

-1

11

6
Saturday
11th Apr
19

4

6

5
Sunday
12th Apr
16

6

1

5
Monday
13th Apr
11

2

1

3
Tuesday
14th Apr
14

1

9

5

5-day weather forecast updated at 04:00 on Friday 10th April 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 Friday 10th April 2026

Expect scattered clouds in Great Falls, Montana with a maximum temperature of 18°C, maximum UV of 6 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the north-east.

18
°C maximum temperature
-1
°C minimum temperature
scattered clouds
11
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
18
°C wind chill
19
kph wind from NE

Great Falls weather for Saturday 11th April 2026

Expect isolated thunderstorms in Great Falls, Montana with a maximum temperature of 19°C, maximum UV of 5 (Moderate) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 62% chance of some rain and a moderate breeze of 21 kph from the south-west.

19
°C maximum temperature
4
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
5
UV index (Moderate)
62
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
21
kph wind from SW

Great Falls weather for Sunday 12th April 2026

Expect mostly cloudy with light rain in Great Falls, Montana with a maximum temperature of 16°C, maximum UV of 5 (Moderate) and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 83% chance of some rain and a gentle breeze of 19 kph from the north-east.

16
°C maximum temperature
6
°C minimum temperature
mostly cloudy with light rain
1
hour of sunshine
5
UV index (Moderate)
83
% chance of some rain
<5
mm of rainfall expected
16
°C wind chill
19
kph wind from NE

Great Falls weather for Monday 13th April 2026

Expect mostly cloudy with rain in Great Falls, Montana with a maximum temperature of 11°C, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 67% chance of some rain and a gentle breeze of 17 kph from the west.

11
°C maximum temperature
2
°C minimum temperature
mostly cloudy with rain
1
hour of sunshine
3
UV index (Moderate)
67
% chance of some rain
<10
mm of rainfall expected
11
°C wind chill
17
kph wind from W

Great Falls weather for Tuesday 14th April 2026

Expect scattered clouds in Great Falls, Montana with a maximum temperature of 14°C, maximum UV of 5 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 37 kph from the south-west.