Great Falls 7-day weather forecast

Written by:
March 23, 2026
ESOlex // Shutterstock

Great Falls 7-day weather forecast

created the forecast for Great Falls, Montana using data from . This week's high is 80 掳F on Friday, while the low is 37 掳F on Monday. There are expected to be 2 sunny days and rain on 6 days this week.

There are currently no weather alerts.

Monday, June 1

- High of 46 掳F, low of 37 掳F (88% humidity)
- Overcast with a 100% chance of rain (13 mm of rain)
- Fresh breeze (21 mph wind)
- Sunrise at 5:32 AM, sunset at 9:14 PM
You may also like: Highest-rated fine dining restaurants in the Great Falls area by diners
1 / 6
alisalipa // Shutterstock

Tuesday, June 2

- High of 53 掳F, low of 42 掳F (81% humidity)
- Overcast with a 100% chance of rain (4 mm of rain)
- Moderate risk of harm from sun exposure (3 UV index)
- Moderate breeze (16 mph wind)
- Sunrise at 5:31 AM, sunset at 9:15 PM
2 / 6
Matusciac Alexandru // Shutterstock

Wednesday, June 3

- High of 67 掳F, low of 43 掳F (59% humidity)
- Mostly sunny with a 20% chance of rain (0 mm of rain)
- Very high risk of harm from sun exposure (8 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 5:30 AM, sunset at 9:16 PM
3 / 6
aco // Shutterstock

Thursday, June 4

- High of 67 掳F, low of 52 掳F (76% humidity)
- Overcast with a 100% chance of rain (3 mm of rain)
- High risk of harm from sun exposure (7 UV index)
- Moderate breeze (13 mph wind)
- Sunrise at 5:30 AM, sunset at 9:17 PM
4 / 6
liseykina // Shutterstock

Friday, June 5

- High of 80 掳F, low of 49 掳F (33% humidity)
- Mostly sunny with a 0% chance of rain
- High risk of harm from sun exposure (7 UV index)
- Moderate breeze (14 mph wind)
- Sunrise at 5:29 AM, sunset at 9:17 PM
5 / 6
Cari Rubin Photography // Shutterstock

Saturday, June 6

- High of 76 掳F, low of 55 掳F (47% humidity)
- Mostly cloudy with a 77% chance of rain (2 mm of rain)
- High risk of harm from sun exposure (7 UV index)
- Gentle breeze (10 mph wind)
- Sunrise at 5:29 AM, sunset at 9:18 PM
You may also like: How many homes are for sale in Great Falls right now?
6 / 6
Alex Linch // Shutterstock

Sunday, June 7

- High of 59 掳F, low of 50 掳F (59% humidity)
- Overcast with a 100% chance of rain (7 mm of rain)
- High risk of harm from sun exposure (7 UV index)
- Moderate breeze (13 mph wind)
- Sunrise at 5:29 AM, sunset at 9:19 PM

Trending Now