Idaho Falls weather live forecast

Today's maximum temperature in Idaho Falls is expected to be 34°F. Select a day from the live weather forecast for Idaho Falls, Idaho, USA for more weather parameters.

Wednesday
18th Feb
34

23

0

2
Thursday
19th Feb
28

12

3

3
Friday
20th Feb
28

9

7

3
Saturday
21st Feb
32

12

9

3
Sunday
22nd Feb
39

14

5

2

5-day weather forecast updated at 04:01 on Wednesday 18th February 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 Wednesday 18th February 2026

Expect cloudy with sleet or snow in Idaho Falls, Idaho with a maximum temperature of 34°F, maximum UV of 2 (Low) and no hours of bright sunshine. There are 2-5 mm of sleet/snow expected with 59% chance of some sleet or snow and a fresh breeze of 19 mph from the south-west.

34
°F maximum temperature
23
°F minimum temperature
cloudy with sleet or snow
0
hours of sunshine
2
UV index (Low)
59
% chance of some sleet or snow
<5
mm of sleet/snow expected
23
°F wind chill
19
mph wind from SW

Idaho Falls weather for Thursday 19th February 2026

Expect mostly cloudy with light snow in Idaho Falls, Idaho with a maximum temperature of 28°F, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 0-2 cm of snow expected with 26% chance of some snow and a moderate breeze of 15 mph from the south-west.

28
°F maximum temperature
12
°F minimum temperature
mostly cloudy with light snow
3
hours of sunshine
3
UV index (Moderate)
26
% chance of some snow
<2
cm of snow expected
18
°F wind chill
15
mph wind from SW

Idaho Falls weather for Friday 20th February 2026

Expect broken clouds in Idaho Falls, Idaho with a maximum temperature of 28°F, maximum UV of 3 (Moderate) and 7 hours of bright sunshine. There are 0 cm of snow expected and a gentle breeze of 9 mph from the east.

28
°F maximum temperature
9
°F minimum temperature
broken clouds
7
hours of sunshine
3
UV index (Moderate)
0
cm of snow expected
19
°F wind chill
9
mph wind from E

Idaho Falls weather for Saturday 21st February 2026

Expect scattered clouds in Idaho Falls, Idaho with a maximum temperature of 32°F, maximum UV of 3 (Moderate) and 9 hours of bright sunshine. There are 0 cm of snow expected and a gentle breeze of 9 mph from the south.

32
°F maximum temperature
12
°F minimum temperature
scattered clouds
9
hours of sunshine
3
UV index (Moderate)
0
cm of snow expected
25
°F wind chill
9
mph wind from S

Idaho Falls weather for Sunday 22nd February 2026

Expect broken clouds in Idaho Falls, Idaho with a maximum temperature of 39°F, maximum UV of 2 (Low) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 mph from the north-east.