Great Falls 7-day weather forecast

Written by:
January 26, 2026
ESOlex // Shutterstock

Great Falls 7-day weather forecast

Stacker created the forecast for Great Falls, Montana using data from OpenWeather. This week's high is 56 °F on Saturday, while the low is 3 °F on Monday. There are expected to be 3 sunny days and precipitation on 0 days this week.

NWS Great Falls MT has issued a winter weather advisory until Monday at 08:00 AM.

Monday, January 26

- High of 26 °F, low of 3 °F (56% humidity)
- Mostly sunny with a 0% chance of snow
- Gentle breeze (12 mph wind)
- Sunrise at 7:58 AM, sunset at 5:16 PM
1 / 6
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Tuesday, January 27

- High of 35 °F, low of 13 °F (68% humidity)
- Sunny with a 0% chance of rain
- Light breeze (6 mph wind)
- Sunrise at 7:57 AM, sunset at 5:18 PM
2 / 6
Onishchenko Natalya // Shutterstock

Wednesday, January 28

- High of 41 °F, low of 24 °F (64% humidity)
- Overcast with a 0% chance of rain
- Fresh breeze (21 mph wind)
- Sunrise at 7:56 AM, sunset at 5:19 PM
3 / 6
Leonid Ikan // Shutterstock

Thursday, January 29

- High of 44 °F, low of 24 °F (72% humidity)
- Mostly sunny with a 0% chance of rain
- Gentle breeze (12 mph wind)
- Sunrise at 7:55 AM, sunset at 5:21 PM
4 / 6
alisalipa // Shutterstock

Friday, January 30

- High of 46 °F, low of 32 °F (71% humidity)
- Overcast with a 0% chance of rain
- Moderate breeze (13 mph wind)
- Sunrise at 7:53 AM, sunset at 5:22 PM
5 / 6
loreanto // Shutterstock

Saturday, January 31

- High of 56 °F, low of 38 °F (45% humidity)
- Overcast with a 0% chance of rain
- Strong breeze (28 mph wind)
- Sunrise at 7:52 AM, sunset at 5:24 PM
6 / 6
Leonid Ikan // Shutterstock

Sunday, February 1

- High of 45 °F, low of 31 °F (57% humidity)
- Partly cloudy with a 0% chance of rain
- Gentle breeze (8 mph wind)
- Sunrise at 7:51 AM, sunset at 5:26 PM
- Full moon

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