National Weather Service Forecast for: American Falls ID
Issued by: National Weather Service Pocatello, ID
Updated: 5:31 am MDT May 26, 2026
 
Today

Today: A 20 percent chance of rain before 10am. Mostly cloudy, then gradually becoming sunny, with a high near 77. South southeast wind 9 to 15 mph, with gusts as high as 24 mph.
Slight Chance
Rain then
Mostly Sunny
 Tonight

Tonight: Partly cloudy, with a low around 45. South wind 11 to 16 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 24 mph.
Partly Cloudy

 Wednesday

Wednesday: Mostly sunny, with a high near 77. East wind 5 to 11 mph becoming south southeast in the afternoon. Winds could gust as high as 22 mph.
Mostly Sunny

 Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 49. South wind 5 to 9 mph becoming east after midnight.
Partly Cloudy

 Thursday

Thursday: Mostly sunny, with a high near 78. South southeast wind 6 to 13 mph, with gusts as high as 23 mph.
Mostly Sunny

 Thursday
Night
Thursday Night: Partly cloudy, with a low around 48.
Partly Cloudy

 Friday

Friday: Mostly sunny, with a high near 71.
Mostly Sunny

 Friday
Night
Friday Night: Partly cloudy, with a low around 45.
Partly Cloudy

 Saturday

Saturday: A 40 percent chance of rain. Partly sunny, with a high near 66.
Chance Rain
Hi 77 °F Lo 45 °F Hi 77 °F Lo 49 °F Hi 78 °F Lo 48 °F Hi 71 °F Lo 45 °F Hi 66 °F

 

Today
 
 A 20 percent chance of rain before 10am. Mostly cloudy, then gradually becoming sunny, with a high near 77. South southeast wind 9 to 15 mph, with gusts as high as 24 mph.
Tonight
 
 Partly cloudy, with a low around 45. South wind 11 to 16 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 24 mph.
Wednesday
 
 Mostly sunny, with a high near 77. East wind 5 to 11 mph becoming south southeast in the afternoon. Winds could gust as high as 22 mph.
Wednesday Night
 
 Partly cloudy, with a low around 49. South wind 5 to 9 mph becoming east after midnight.
Thursday
 
 Mostly sunny, with a high near 78. South southeast wind 6 to 13 mph, with gusts as high as 23 mph.
Thursday Night
 
 Partly cloudy, with a low around 48.
Friday
 
 Mostly sunny, with a high near 71.
Friday Night
 
 Partly cloudy, with a low around 45.
Saturday
 
 A 40 percent chance of rain. Partly sunny, with a high near 66.
Saturday Night
 
 Partly cloudy, with a low around 44.
Sunday
 
 Sunny, with a high near 75.
Sunday Night
 
 Mostly clear, with a low around 44.
Monday
 
 Sunny, with a high near 79.

 

Forecast from NOAA-NWS for American Falls ID.