National Weather Service Forecast for: Idaho Falls ID
Issued by: National Weather Service Pocatello, ID
Updated: 4:31 pm MST Feb 1, 2026
 
Tonight

Tonight: Mostly cloudy, with a low around 26. South wind around 6 mph.
Mostly Cloudy
Monday

Monday: Mostly sunny, with a high near 41. South southwest wind around 6 mph.
Mostly Sunny
Monday
Night
Monday Night: Partly cloudy, with a low around 26. South wind around 6 mph.
Partly Cloudy
Tuesday

Tuesday: Mostly sunny, with a high near 43. South wind around 5 mph.
Mostly Sunny
Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 25. Light and variable wind.
Partly Cloudy
Wednesday

Wednesday: Mostly sunny, with a high near 46.
Mostly Sunny
Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 26.
Partly Cloudy
Thursday

Thursday: Sunny, with a high near 49.
Sunny
Thursday
Night
Thursday Night: Mostly clear, with a low around 28.
Mostly Clear
Lo 26 °F Hi 41 °F Lo 26 °F Hi 43 °F Lo 25 °F Hi 46 °F Lo 26 °F Hi 49 °F Lo 28 °F

 

Tonight
 
Mostly cloudy, with a low around 26. South wind around 6 mph.
Monday
 
Mostly sunny, with a high near 41. South southwest wind around 6 mph.
Monday Night
 
Partly cloudy, with a low around 26. South wind around 6 mph.
Tuesday
 
Mostly sunny, with a high near 43. South wind around 5 mph.
Tuesday Night
 
Partly cloudy, with a low around 25. Light and variable wind.
Wednesday
 
Mostly sunny, with a high near 46.
Wednesday Night
 
Partly cloudy, with a low around 26.
Thursday
 
Sunny, with a high near 49.
Thursday Night
 
Mostly clear, with a low around 28.
Friday
 
Sunny, with a high near 51.
Friday Night
 
Mostly clear, with a low around 28.
Saturday
 
Mostly sunny, with a high near 47.
Saturday Night
 
Partly cloudy, with a low around 29.
Sunday
 
A 10 percent chance of rain. Mostly sunny, with a high near 49.

 

Forecast from NOAA-NWS for Idaho Falls ID.