Idaho Falls 7-day weather forecast

Written by:
March 23, 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 75 °F on Monday, while the low is 36 °F on Wednesday. There are expected to be 2 sunny days and rain on 2 days this week.

There are currently no weather alerts.

Monday, May 4

- High of 75 °F, low of 40 °F (25% humidity)
- Fair with a 26% chance of rain (0 mm of rain)
- Very high risk of harm from sun exposure (7 UV index)
- Moderate breeze (16 mph wind)
- Sunrise at 6:16 AM, sunset at 8:33 PM
1 / 6
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Tuesday, May 5

- High of 64 °F, low of 45 °F (29% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (7 UV index)
- Strong breeze (26 mph wind)
- Sunrise at 6:15 AM, sunset at 8:34 PM
2 / 6
1981 Rustic Studio kan // Shutterstock

Wednesday, May 6

- High of 66 °F, low of 36 °F (28% humidity)
- Partly cloudy with a 0% chance of rain
- Very high risk of harm from sun exposure (7 UV index)
- Moderate breeze (14 mph wind)
- Sunrise at 6:14 AM, sunset at 8:35 PM
3 / 6
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Thursday, May 7

- High of 75 °F, low of 49 °F (25% humidity)
- Mostly cloudy with a 0% chance of rain
- High risk of harm from sun exposure (6 UV index)
- Fresh breeze (21 mph wind)
- Sunrise at 6:12 AM, sunset at 8:36 PM
4 / 6
ESOlex // Shutterstock

Friday, May 8

- High of 71 °F, low of 46 °F (34% humidity)
- Partly cloudy with a 0% chance of rain
- High risk of harm from sun exposure (7 UV index)
- Fresh breeze (21 mph wind)
- Sunrise at 6:11 AM, sunset at 8:37 PM
5 / 6
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Saturday, May 9

- High of 60 °F, low of 43 °F (58% humidity)
- Overcast with a 100% chance of rain (4 mm of rain)
- High risk of harm from sun exposure (7 UV index)
- Fresh breeze (23 mph wind)
- Sunrise at 6:10 AM, sunset at 8:38 PM
- Last quarter moon
6 / 6
Ahmet Naim // Shutterstock

Sunday, May 10

- High of 67 °F, low of 40 °F (39% humidity)
- Partly cloudy with a 0% chance of rain
- High risk of harm from sun exposure (7 UV index)
- Gentle breeze (11 mph wind)
- Sunrise at 6:09 AM, sunset at 8:40 PM

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