Great Falls 7-day weather forecast

Written by:
June 9, 2025
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 87 °F on Thursday, while the low is 38 °F on Sunday. There are expected to be 2 sunny days and rain on 4 days this week.

There are currently no weather alerts.

Monday, June 16

- High of 76 °F, low of 54 °F (29% humidity)
- Overcast with a 34% chance of rain (0 mm of rain)
- High risk of harm from sun exposure (7 UV index)
- Moderate breeze (16 mph wind)
- Sunrise at 5:27 AM, sunset at 9:24 PM
1 / 6
afoto6267 // Shutterstock

Tuesday, June 17

- High of 81 °F, low of 51 °F (25% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Gentle breeze (11 mph wind)
- Sunrise at 5:27 AM, sunset at 9:25 PM
2 / 6
New Africa // Shutterstock

Wednesday, June 18

- High of 85 °F, low of 52 °F (14% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Moderate breeze (15 mph wind)
- Sunrise at 5:27 AM, sunset at 9:25 PM
- Last quarter moon
3 / 6
Nataliia K // Shutterstock

Thursday, June 19

- High of 87 °F, low of 56 °F (20% humidity)
- Partly cloudy with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Moderate breeze (18 mph wind)
- Sunrise at 5:27 AM, sunset at 9:25 PM
4 / 6
Jurga Jot // Shutterstock

Friday, June 20

- High of 76 °F, low of 58 °F (41% humidity)
- Overcast with a 100% chance of rain (12 mm of rain)
- Very high risk of harm from sun exposure (9 UV index)
- Moderate breeze (16 mph wind)
- Sunrise at 5:27 AM, sunset at 9:25 PM
5 / 6
Ryzhkov Oleksandr // Shutterstock

Saturday, June 21

- High of 71 °F, low of 52 °F (28% humidity)
- Partly cloudy with a 100% chance of rain (1 mm of rain)
- Very high risk of harm from sun exposure (9 UV index)
- Moderate breeze (16 mph wind)
- Sunrise at 5:27 AM, sunset at 9:26 PM
6 / 6
Cari Rubin Photography // Shutterstock

Sunday, June 22

- High of 50 °F, low of 38 °F (96% humidity)
- Overcast with a 100% chance of rain (15 mm of rain)
- Very high risk of harm from sun exposure (9 UV index)
- Moderate breeze (14 mph wind)
- Sunrise at 5:28 AM, sunset at 9:26 PM

Trending Now