National Weather Service Forecast for: American Falls ID
Issued by: National Weather Service Pocatello, ID
Updated: 2:55 am MST Dec 5, 2025
 
Overnight

Overnight: A chance of rain and snow. Cloudy, with a low around 32. Southwest wind around 14 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. Total nighttime snow accumulation of less than a half inch possible.
Chance
Rain/Snow
 Friday

Friday: A chance of rain and snow before noon, then rain. High near 39. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Chance
Rain/Snow
then Rain
 Friday
Night
Friday Night: Rain, mainly before midnight. Low around 36. Breezy, with a west wind 21 to 29 mph, with gusts as high as 40 mph. Chance of precipitation is 90%.
Breezy. Rain
then Chance
Rain
 Saturday

Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 40. Breezy, with a west wind 26 to 29 mph, with gusts as high as 39 mph.
Decreasing
Clouds and
Breezy
 Saturday
Night
Saturday Night: Partly cloudy, with a low around 31. West southwest wind 15 to 21 mph, with gusts as high as 31 mph.
Partly Cloudy

 Sunday

Sunday: A slight chance of rain and snow between 11am and 2pm, then a slight chance of rain after 2pm. Mostly cloudy, with a high near 47. Chance of precipitation is 20%.
Slight Chance
Rain/Snow
 Sunday
Night
Sunday Night: A 30 percent chance of rain, mainly before 11pm. Cloudy, with a low around 36.
Chance Rain

 Monday

Monday: Mostly cloudy, with a high near 46.
Mostly Cloudy

 Monday
Night
Monday Night: Mostly cloudy, with a low around 36.
Mostly Cloudy
Lo 32 °F Hi 39 °F Lo 36 °F Hi 40 °F Lo 31 °F Hi 47 °F Lo 36 °F Hi 46 °F Lo 36 °F

 

Overnight
 
 A chance of rain and snow. Cloudy, with a low around 32. Southwest wind around 14 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. Total nighttime snow accumulation of less than a half inch possible.
Friday
 
 A chance of rain and snow before noon, then rain. High near 39. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Friday Night
 
 Rain, mainly before midnight. Low around 36. Breezy, with a west wind 21 to 29 mph, with gusts as high as 40 mph. Chance of precipitation is 90%.
Saturday
 
 Mostly cloudy, then gradually becoming sunny, with a high near 40. Breezy, with a west wind 26 to 29 mph, with gusts as high as 39 mph.
Saturday Night
 
 Partly cloudy, with a low around 31. West southwest wind 15 to 21 mph, with gusts as high as 31 mph.
Sunday
 
 A slight chance of rain and snow between 11am and 2pm, then a slight chance of rain after 2pm. Mostly cloudy, with a high near 47. Chance of precipitation is 20%.
Sunday Night
 
 A 30 percent chance of rain, mainly before 11pm. Cloudy, with a low around 36.
Monday
 
 Mostly cloudy, with a high near 46.
Monday Night
 
 Mostly cloudy, with a low around 36.
Tuesday
 
 A 30 percent chance of rain. Cloudy, with a high near 49. Breezy.
Tuesday Night
 
 A chance of rain and snow. Mostly cloudy, with a low around 38. Breezy. Chance of precipitation is 30%.
Wednesday
 
 A chance of rain and snow. Mostly cloudy, with a high near 48. Chance of precipitation is 40%.
Wednesday Night
 
 A 30 percent chance of rain. Mostly cloudy, with a low around 39.
Thursday
 
 A 20 percent chance of rain. Partly sunny, with a high near 50.

 

Forecast from NOAA-NWS for American Falls ID.