Idaho Falls weather live forecast

Today's maximum temperature in Idaho Falls is expected to be 18°C. Select a day from the live weather forecast for Idaho Falls, Idaho, USA for more weather parameters.

Monday
14th Sep
18

4

11

7
Tuesday
15th Sep
24

3

12

7

5-day weather forecast updated at 04:00 on Thursday 10th September 2026 GMT

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The 5-day weather forecast for Idaho (Idaho Falls) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Idaho Falls weather forecast by day

Below are the detailed weather forecasts for Idaho Falls for the next 5 days.

Idaho Falls weather for Monday 14th September 2026

Expect clear skies in Idaho Falls, Idaho with a maximum temperature of 18°C, maximum UV of 7 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the south.

18
°C maximum temperature
4
°C minimum temperature
clear skies
11
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
18
kph wind from S

Idaho Falls weather for Tuesday 15th September 2026

Expect clear skies in Idaho Falls, Idaho with a maximum temperature of 24°C, maximum UV of 7 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the north-east.