Great Falls 7-day weather forecast

Written by:
March 23, 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 69 °F on Sunday, while the low is 29 °F on Friday. There are expected to be 3 sunny days and rain on 1 day this week.

There are currently no weather alerts.

Monday, March 23

- High of 54 °F, low of 30 °F (42% humidity)
- Overcast with a 0% chance of rain
- Moderate risk of harm from sun exposure (4 UV index)
- Gentle breeze (11 mph wind)
- Sunrise at 7:21 AM, sunset at 7:41 PM
1 / 6
Valeriy Boyarskiy // Shutterstock

Tuesday, March 24

- High of 64 °F, low of 48 °F (35% humidity)
- Overcast with a 0% chance of rain
- Moderate risk of harm from sun exposure (5 UV index)
- Fresh breeze (20 mph wind)
- Sunrise at 7:19 AM, sunset at 7:42 PM
2 / 6
gillmar // Shutterstock

Wednesday, March 25

- High of 61 °F, low of 40 °F (40% humidity)
- Partly cloudy with a 0% chance of rain
- Moderate risk of harm from sun exposure (5 UV index)
- Strong breeze (29 mph wind)
- Sunrise at 7:17 AM, sunset at 7:44 PM
- First quarter moon
3 / 6
cooperr // Shutterstock

Thursday, March 26

- High of 42 °F, low of 35 °F (41% humidity)
- Sunny with a 22% chance of rain (0 mm of rain)
- Moderate risk of harm from sun exposure (4 UV index)
- Moderate breeze (17 mph wind)
- Sunrise at 7:15 AM, sunset at 7:45 PM
4 / 6
Pablesku // Shutterstock

Friday, March 27

- High of 51 °F, low of 29 °F (24% humidity)
- Sunny with a 0% chance of rain
- Moderate risk of harm from sun exposure (4 UV index)
- Light breeze (7 mph wind)
- Sunrise at 7:13 AM, sunset at 7:47 PM
5 / 6
loreanto // Shutterstock

Saturday, March 28

- High of 54 °F, low of 36 °F (26% humidity)
- Mostly cloudy with a 0% chance of rain
- Moderate risk of harm from sun exposure (4 UV index)
- Light breeze (6 mph wind)
- Sunrise at 7:11 AM, sunset at 7:48 PM
6 / 6
Piyawat Nandeenopparit // Shutterstock

Sunday, March 29

- High of 69 °F, low of 44 °F (25% humidity)
- Fair with a 0% chance of rain
- Moderate risk of harm from sun exposure (4 UV index)
- Light breeze (7 mph wind)
- Sunrise at 7:09 AM, sunset at 7:49 PM

Trending Now