
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
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1 / 6
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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
- 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
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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
- 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
- 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
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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
- 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
- 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
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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
- 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