Idaho Falls 7-day weather forecast

Written by:
September 29, 2025
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 74 °F on Monday, while the low is 41 °F on Saturday. There are expected to be 2 sunny days and rain on 3 days this week.

There are currently no weather alerts.

Monday, September 29

- High of 74 °F, low of 49 °F (33% humidity)
- Sunny with a 100% chance of rain (0 mm of rain)
- High risk of harm from sun exposure (6 UV index)
- Gentle breeze (12 mph wind)
- Sunrise at 7:23 AM, sunset at 7:13 PM
- First quarter moon
1 / 6
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Tuesday, September 30

- High of 66 °F, low of 52 °F (47% humidity)
- Overcast with a 93% chance of rain (0 mm of rain)
- Moderate risk of harm from sun exposure (4 UV index)
- Fresh breeze (20 mph wind)
- Sunrise at 7:24 AM, sunset at 7:11 PM
2 / 6
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Wednesday, October 1

- High of 72 °F, low of 48 °F (39% humidity)
- Overcast with a 0% chance of rain
- High risk of harm from sun exposure (5 UV index)
- Gentle breeze (10 mph wind)
- Sunrise at 7:25 AM, sunset at 7:09 PM
3 / 6
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Thursday, October 2

- High of 67 °F, low of 52 °F (43% humidity)
- Mostly cloudy with a 0% chance of rain
- High risk of harm from sun exposure (5 UV index)
- Moderate breeze (15 mph wind)
- Sunrise at 7:27 AM, sunset at 7:07 PM
4 / 6
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Friday, October 3

- High of 53 °F, low of 47 °F (64% humidity)
- Overcast with a 100% chance of rain (3 mm of rain)
- High risk of harm from sun exposure (6 UV index)
- Gentle breeze (8 mph wind)
- Sunrise at 7:28 AM, sunset at 7:05 PM
5 / 6
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Saturday, October 4

- High of 58 °F, low of 41 °F (51% humidity)
- Fair with a 0% chance of rain
- High risk of harm from sun exposure (6 UV index)
- Moderate breeze (14 mph wind)
- Sunrise at 7:29 AM, sunset at 7:04 PM
6 / 6
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Sunday, October 5

- High of 60 °F, low of 42 °F (34% humidity)
- Overcast with a 0% chance of rain
- High risk of harm from sun exposure (6 UV index)
- Gentle breeze (8 mph wind)
- Sunrise at 7:30 AM, sunset at 7:02 PM

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