Idaho Falls 7-day weather forecast

Written by:
January 26, 2026
ESOlex // Shutterstock

Idaho Falls 7-day weather forecast

Stacker created the forecast for Idaho Falls, Idaho using data from OpenWeather. This week's high is 41 °F on Sunday, while the low is 2 °F on Monday. There are expected to be 2 sunny days and snow on 1 day this week.

There are currently no weather alerts.

Monday, January 26

- High of 31 °F, low of 2 °F (52% humidity)
- Sunny with a 0% chance of snow
- Light breeze (4 mph wind)
- Sunrise at 7:50 AM, sunset at 5:30 PM
1 / 6
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Tuesday, January 27

- High of 34 °F, low of 17 °F (51% humidity)
- Sunny with a 0% chance of rain
- Moderate risk of harm from sun exposure (2 UV index)
- Light breeze (4 mph wind)
- Sunrise at 7:49 AM, sunset at 5:32 PM
2 / 6
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Wednesday, January 28

- High of 35 °F, low of 22 °F (69% humidity)
- Overcast with a 69% chance of snow (0 mm of snow)
- Gentle breeze (11 mph wind)
- Sunrise at 7:48 AM, sunset at 5:33 PM
3 / 6
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Thursday, January 29

- High of 35 °F, low of 23 °F (74% humidity)
- Partly sunny with a 0% chance of rain
- Moderate risk of harm from sun exposure (2 UV index)
- Light breeze (4 mph wind)
- Sunrise at 7:47 AM, sunset at 5:35 PM
4 / 6
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Friday, January 30

- High of 35 °F, low of 25 °F (70% humidity)
- Mostly cloudy with a 0% chance of rain
- Moderate risk of harm from sun exposure (3 UV index)
- Light breeze (4 mph wind)
- Sunrise at 7:46 AM, sunset at 5:36 PM
5 / 6
Leonid Ikan // Shutterstock

Saturday, January 31

- High of 39 °F, low of 28 °F (67% humidity)
- Overcast with a 0% chance of rain
- Moderate risk of harm from sun exposure (3 UV index)
- Light breeze (5 mph wind)
- Sunrise at 7:45 AM, sunset at 5:37 PM
6 / 6
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Sunday, February 1

- High of 41 °F, low of 30 °F (65% humidity)
- Overcast with a 0% chance of rain
- Moderate risk of harm from sun exposure (3 UV index)
- Light breeze (7 mph wind)
- Sunrise at 7:44 AM, sunset at 5:39 PM
- Full moon

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