Idaho Falls 7-day weather forecast

Written by:
December 15, 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 51 °F on Tuesday, while the low is 21 °F on Sunday. There are expected to be 3 sunny days and rain on 3 days this week.

There are currently no weather alerts.

Monday, December 15

- High of 47 °F, low of 23 °F (27% humidity)
- Overcast with a 0% chance of rain
- Gentle breeze (9 mph wind)
- Sunrise at 7:54 AM, sunset at 4:52 PM
1 / 6
Leonid Ikan // Shutterstock

Tuesday, December 16

- High of 51 °F, low of 38 °F (50% humidity)
- Overcast with a 0% chance of rain
- Fresh breeze (21 mph wind)
- Sunrise at 7:55 AM, sunset at 4:52 PM
2 / 6
Rachasie // Shutterstock

Wednesday, December 17

- High of 51 °F, low of 30 °F (45% humidity)
- Fair with a 100% chance of rain (4 mm of rain)
- Near gale (35 mph wind)
- Sunrise at 7:55 AM, sunset at 4:53 PM
3 / 6
Nazarova Mariia // Shutterstock

Thursday, December 18

- High of 42 °F, low of 30 °F (88% humidity)
- Overcast with a 100% chance of rain (0 mm of rain)
- Fresh breeze (22 mph wind)
- Sunrise at 7:56 AM, sunset at 4:53 PM
4 / 6
Canva

Friday, December 19

- High of 43 °F, low of 37 °F (79% humidity)
- Overcast with a 48% chance of rain (1 mm of rain)
- Strong breeze (28 mph wind)
- Sunrise at 7:57 AM, sunset at 4:53 PM
- New moon
5 / 6
Marian Weyo // Shutterstock

Saturday, December 20

- High of 37 °F, low of 25 °F (43% humidity)
- Sunny with a 0% chance of rain
- Fresh breeze (23 mph wind)
- Sunrise at 7:57 AM, sunset at 4:54 PM
6 / 6
Onishchenko Natalya // Shutterstock

Sunday, December 21

- High of 35 °F, low of 21 °F (41% humidity)
- Sunny with a 0% chance of rain
- Light breeze (4 mph wind)
- Sunrise at 7:58 AM, sunset at 4:54 PM

Trending Now