National Weather Service Forecast for: American Falls ID
Issued by: National Weather Service Pocatello, ID
Updated: 9:31 am MDT May 26, 2026
 
Today

Today: Partly sunny, with a high near 77. South southeast wind 11 to 15 mph, with gusts as high as 24 mph.
Partly Sunny

 Tonight

Tonight: Partly cloudy, with a low around 48. South southeast wind 6 to 15 mph becoming north northeast after midnight. Winds could gust as high as 23 mph.
Partly Cloudy

 Wednesday

Wednesday: Mostly sunny, with a high near 78. Northeast wind 6 to 13 mph becoming south southeast in the afternoon. Winds could gust as high as 23 mph.
Mostly Sunny

 Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 49. Southeast wind 5 to 8 mph becoming east northeast in the evening. Winds could gust as high as 18 mph.
Partly Cloudy

 Thursday

Thursday: Mostly sunny, with a high near 79. South southeast wind 5 to 11 mph, with gusts as high as 22 mph.
Mostly Sunny

 Thursday
Night
Thursday Night: Partly cloudy, with a low around 49.
Partly Cloudy

 Friday

Friday: Sunny, with a high near 74.
Sunny

 Friday
Night
Friday Night: A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 46.
Mostly Cloudy
then Chance
Rain
 Saturday

Saturday: Rain likely before noon, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 65. Chance of precipitation is 60%.
Showers
Likely
Hi 77 °F Lo 48 °F Hi 78 °F Lo 49 °F Hi 79 °F Lo 49 °F Hi 74 °F Lo 46 °F Hi 65 °F

 

Today
 
 Partly sunny, with a high near 77. South southeast wind 11 to 15 mph, with gusts as high as 24 mph.
Tonight
 
 Partly cloudy, with a low around 48. South southeast wind 6 to 15 mph becoming north northeast after midnight. Winds could gust as high as 23 mph.
Wednesday
 
 Mostly sunny, with a high near 78. Northeast wind 6 to 13 mph becoming south southeast in the afternoon. Winds could gust as high as 23 mph.
Wednesday Night
 
 Partly cloudy, with a low around 49. Southeast wind 5 to 8 mph becoming east northeast in the evening. Winds could gust as high as 18 mph.
Thursday
 
 Mostly sunny, with a high near 79. South southeast wind 5 to 11 mph, with gusts as high as 22 mph.
Thursday Night
 
 Partly cloudy, with a low around 49.
Friday
 
 Sunny, with a high near 74.
Friday Night
 
 A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 46.
Saturday
 
 Rain likely before noon, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 65. Chance of precipitation is 60%.
Saturday Night
 
 A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 44.
Sunday
 
 A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 68.
Sunday Night
 
 Partly cloudy, with a low around 43.
Monday
 
 Sunny, with a high near 72.

 

Forecast from NOAA-NWS for American Falls ID.