Idaho Falls weather live forecast

Today's maximum temperature in Idaho Falls is expected to be 20°C. Select a day from the live weather forecast for Idaho Falls, Idaho, USA for more weather parameters.

Thursday
14th May
20

5

14

9
Friday
15th May
20

5

14

8
Saturday
16th May
18

4

1

6
Sunday
17th May
9

3

7

5
Monday
18th May
11

2

3

7

5-day weather forecast updated at 04:00 on Thursday 14th May 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 Thursday 14th May 2026

Expect clear skies in Idaho Falls, Idaho with a maximum temperature of 20°C, maximum UV of 9 (Very High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 35 kph from the south-west.

20
°C maximum temperature
5
°C minimum temperature
clear skies
14
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
20
°C wind chill
35
kph wind from SW

Idaho Falls weather for Friday 15th May 2026

Expect scattered clouds in Idaho Falls, Idaho with a maximum temperature of 20°C, maximum UV of 8 (Very High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 36 kph from the south-west.

20
°C maximum temperature
5
°C minimum temperature
scattered clouds
14
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
20
°C wind chill
36
kph wind from SW

Idaho Falls weather for Saturday 16th May 2026

Expect broken clouds in Idaho Falls, Idaho with a maximum temperature of 18°C, maximum UV of 6 (High) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 34 kph from the south-west.

18
°C maximum temperature
4
°C minimum temperature
broken clouds
1
hour of sunshine
6
UV index (High)
0
mm of rainfall expected
18
°C wind chill
34
kph wind from SW

Idaho Falls weather for Sunday 17th May 2026

Expect broken clouds in Idaho Falls, Idaho with a maximum temperature of 9°C, maximum UV of 5 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the south-west.

9
°C maximum temperature
3
°C minimum temperature
broken clouds
7
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
6
°C wind chill
23
kph wind from SW

Idaho Falls weather for Monday 18th May 2026

Expect broken clouds in Idaho Falls, Idaho with a maximum temperature of 11°C, maximum UV of 7 (High) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the north.