Great Falls 7-day weather forecast

Written by:
December 29, 2025
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Great Falls 7-day weather forecast

Stacker created the forecast for Great Falls, Montana using data from OpenWeather. This week's high is 47 °F on Monday, while the low is 22 °F on Friday. There are expected to be 3 sunny days, snow on 1 day, and 1 day of rain this week.

NWS Great Falls MT has issued a high wind watch until Wednesday at 11:00 PM and a high wind warning until Wednesday at 11:00 PM.

Monday, January 5

- High of 47 °F, low of 25 °F (53% humidity)
- Sunny with a 100% chance of rain (1 mm of rain)
- Fresh breeze (19 mph wind)
- Sunrise at 8:12 AM, sunset at 4:48 PM
1 / 6
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Tuesday, January 6

- High of 40 °F, low of 34 °F (46% humidity)
- Overcast with a 0% chance of rain
- Near gale (35 mph wind)
- Sunrise at 8:12 AM, sunset at 4:49 PM
2 / 6
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Wednesday, January 7

- High of 41 °F, low of 30 °F (37% humidity)
- Sunny with a 0% chance of rain
- Fresh breeze (24 mph wind)
- Sunrise at 8:12 AM, sunset at 4:50 PM
3 / 6
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Thursday, January 8

- High of 35 °F, low of 29 °F (38% humidity)
- Sunny with a 0% chance of rain
- Fresh breeze (20 mph wind)
- Sunrise at 8:11 AM, sunset at 4:51 PM
4 / 6
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Friday, January 9

- High of 33 °F, low of 22 °F (61% humidity)
- Mostly cloudy with a 97% chance of snow (1 mm of snow)
- Moderate breeze (14 mph wind)
- Sunrise at 8:11 AM, sunset at 4:52 PM
5 / 6
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Saturday, January 10

- High of 42 °F, low of 26 °F (66% humidity)
- Partly sunny with a 0% chance of rain
- Gentle breeze (12 mph wind)
- Sunrise at 8:10 AM, sunset at 4:54 PM
- Last quarter moon
6 / 6
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Sunday, January 11

- High of 41 °F, low of 30 °F (57% humidity)
- Overcast with a 0% chance of rain
- Moderate breeze (14 mph wind)
- Sunrise at 8:10 AM, sunset at 4:55 PM

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