Idaho Falls weather live forecast

Today's maximum temperature in Idaho Falls is expected to be 90°F. Select a day from the live weather forecast for Idaho Falls, Idaho, USA for more weather parameters.

Thursday
27th Aug
90

55

8

7
Friday
28th Aug
75

61

1

3
Saturday
29th Aug
72

57

6

6
Sunday
30th Aug
73

52

13

7
Monday
31st Aug
79

43

7

7

5-day weather forecast updated at 04:00 on Thursday 27th August 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 27th August 2026

Expect isolated thunderstorms in Idaho Falls, Idaho with a maximum temperature of 90°F, moderate levels of heat & humidity, maximum UV of 7 (High) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 45% chance of some rain and a moderate breeze of 13 mph from the south-west.

90
°F maximum temperature
55
°F minimum temperature
isolated thunderstorms
8
hours of sunshine
7
UV index (High)
45
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
13
mph wind from SW

Idaho Falls weather for Friday 28th August 2026

Expect mostly cloudy with light rain in Idaho Falls, Idaho with a maximum temperature of 75°F, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 38% chance of some rain and a gentle breeze of 11 mph from the south-west.

75
°F maximum temperature
61
°F minimum temperature
mostly cloudy with light rain
1
hour of sunshine
3
UV index (Moderate)
38
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
11
mph wind from SW

Idaho Falls weather for Saturday 29th August 2026

Expect isolated thunderstorms in Idaho Falls, Idaho with a maximum temperature of 72°F, maximum UV of 6 (High) and 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 58% chance of some rain and a moderate breeze of 15 mph from the south-west.

72
°F maximum temperature
57
°F minimum temperature
isolated thunderstorms
6
hours of sunshine
6
UV index (High)
58
% chance of some rain
<10
mm of rainfall expected
72
°F wind chill
15
mph wind from SW

Idaho Falls weather for Sunday 30th August 2026

Expect clear skies in Idaho Falls, Idaho with a maximum temperature of 73°F, maximum UV of 7 (High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 19 mph from the south-west.

73
°F maximum temperature
52
°F minimum temperature
clear skies
13
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
73
°F wind chill
19
mph wind from SW

Idaho Falls weather for Monday 31st August 2026

Expect isolated thunderstorms in Idaho Falls, Idaho with a maximum temperature of 79°F, maximum UV of 7 (High) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 33% chance of some rain and a gentle breeze of 10 mph from the south-west.