Great Falls weather live forecast

Today's maximum temperature in Great Falls is expected to be 0°C. Select a day from the live weather forecast for Great Falls, Montana, USA for more weather parameters.

Saturday
14th Mar
0

-11

0

3
Sunday
15th Mar
-2

-15

9

5
Monday
16th Mar
7

-7

4

5
Tuesday
17th Mar
15

6

0

2
Wednesday
18th Mar
18

8

7

4

5-day weather forecast updated at 04:00 on Saturday 14th March 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 14th March 2026

Expect cloudy with some snow in Great Falls, Montana with a maximum temperature of 0°C, maximum UV of 3 (Moderate) and no hours of bright sunshine. There are 10-20 cm of snow expected with 89% chance of some snow and a fresh breeze of 36 kph from the north-west.

0
°C maximum temperature
-11
°C minimum temperature
cloudy with some snow
0
hours of sunshine
3
UV index (Moderate)
89
% chance of some snow
<20
cm of snow expected
-7
°C wind chill
36
kph wind from NW

Great Falls weather for Sunday 15th March 2026

Expect clear skies with flurries of snow in Great Falls, Montana with a maximum temperature of -2°C, maximum UV of 5 (Moderate) and 9 hours of bright sunshine. There are 0-2 cm of snow expected with 14% chance of some snow and a gentle breeze of 15 kph from the south-west.

-2
°C maximum temperature
-15
°C minimum temperature
clear skies with flurries of snow
9
hours of sunshine
5
UV index (Moderate)
14
% chance of some snow
<2
cm of snow expected
-7
°C wind chill
15
kph wind from SW

Great Falls weather for Monday 16th March 2026

Expect broken clouds in Great Falls, Montana with a maximum temperature of 7°C, maximum UV of 5 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a strong breeze of 41 kph from the south-west.

7
°C maximum temperature
-7
°C minimum temperature
broken clouds
4
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
2
°C wind chill
41
kph wind from SW

Great Falls weather for Tuesday 17th March 2026

Expect overcast skies in Great Falls, Montana with a maximum temperature of 15°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 0 mm of rainfall expected and a strong breeze of 46 kph from the south-west.

15
°C maximum temperature
6
°C minimum temperature
overcast skies
0
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
15
°C wind chill
46
kph wind from SW

Great Falls weather for Wednesday 18th March 2026

Expect broken clouds in Great Falls, Montana with a maximum temperature of 18°C, maximum UV of 4 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a strong breeze of 40 kph from the south-west.