Idaho Falls weather live forecast

Today's maximum temperature in Idaho Falls is expected to be 12°C. Select a day from the live weather forecast for Idaho Falls, Idaho, USA for more weather parameters.

Monday
18th May
12

3

6

7
Tuesday
19th May
15

0

11

7
Wednesday
20th May
18

4

4

7
Thursday
21st May
18

6

3

7
Friday
22nd May
20

5

14

7

5-day weather forecast updated at 04:00 on Monday 18th 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 Monday 18th May 2026

Expect broken clouds in Idaho Falls, Idaho with a maximum temperature of 12°C, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 34 kph from the north.

12
°C maximum temperature
3
°C minimum temperature
broken clouds
6
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
34
kph wind from N

Idaho Falls weather for Tuesday 19th May 2026

Expect scattered clouds in Idaho Falls, Idaho with a maximum temperature of 15°C, maximum UV of 7 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the south-west.

15
°C maximum temperature
0
°C minimum temperature
scattered clouds
11
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
17
kph wind from SW

Idaho Falls weather for Wednesday 20th May 2026

Expect mostly cloudy with light rain in Idaho Falls, Idaho with a maximum temperature of 18°C, maximum UV of 7 (High) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 26% chance of some rain and a moderate breeze of 21 kph from the south-west.

18
°C maximum temperature
4
°C minimum temperature
mostly cloudy with light rain
4
hours of sunshine
7
UV index (High)
26
% chance of some rain
<2
mm of rainfall expected
18
°C wind chill
21
kph wind from SW

Idaho Falls weather for Thursday 21st May 2026

Expect mostly cloudy with light rain in Idaho Falls, Idaho with a maximum temperature of 18°C, maximum UV of 7 (High) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 13% chance of some rain and a moderate breeze of 22 kph from the north.

18
°C maximum temperature
6
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
7
UV index (High)
13
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
22
kph wind from N

Idaho Falls weather for Friday 22nd May 2026

Expect clear skies in Idaho Falls, Idaho with a maximum temperature of 20°C, maximum UV of 7 (High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the west.