Great Falls weather live forecast

Today's maximum temperature in Great Falls is expected to be 20°C. Select a day from the live weather forecast for Great Falls, Montana, USA for more weather parameters.

Saturday
11th Apr
20

6

7

5
Sunday
12th Apr
14

2

4

5
Monday
13th Apr
12

4

3

4
Tuesday
14th Apr
13

1

11

5
Wednesday
15th Apr
11

1

0

4

5-day weather forecast updated at 04:00 on Saturday 11th 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 Saturday 11th April 2026

Expect isolated thunderstorms in Great Falls, Montana with a maximum temperature of 20°C, maximum UV of 5 (Moderate) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 44% chance of some rain and a moderate breeze of 26 kph from the south-west.

20
°C maximum temperature
6
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
5
UV index (Moderate)
44
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
26
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 14°C, maximum UV of 5 (Moderate) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 94% chance of some rain and a moderate breeze of 21 kph from the north-east.

14
°C maximum temperature
2
°C minimum temperature
mostly cloudy with light rain
4
hours of sunshine
5
UV index (Moderate)
94
% chance of some rain
<2
mm of rainfall expected
14
°C wind chill
21
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 12°C, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 68% chance of some rain and a moderate breeze of 24 kph from the west.

12
°C maximum temperature
4
°C minimum temperature
mostly cloudy with rain
3
hours of sunshine
4
UV index (Moderate)
68
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
24
kph wind from W

Great Falls weather for Tuesday 14th April 2026

Expect scattered clouds in Great Falls, Montana with a maximum temperature of 13°C, maximum UV of 5 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 37 kph from the south-west.

13
°C maximum temperature
1
°C minimum temperature
scattered clouds
11
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
13
°C wind chill
37
kph wind from SW

Great Falls weather for Wednesday 15th April 2026

Expect mostly cloudy with light snow in Great Falls, Montana with a maximum temperature of 11°C, maximum UV of 4 (Moderate) and no hours of bright sunshine. There are 0-2 cm of snow expected with 41% chance of some snow and a fresh breeze of 35 kph from the south-west.