National Weather Service Forecast for: American Falls ID
Issued by: National Weather Service Pocatello, ID
Updated: 1:42 pm MST Dec 22, 2025
 
This
Afternoon
This Afternoon: A 50 percent chance of rain. Mostly cloudy, with a high near 52. South southwest wind around 8 mph.
Chance Rain
 Tonight

Tonight: A 30 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 41. South southeast wind around 8 mph.
Chance Rain
 Tuesday

Tuesday: Cloudy, with a high near 54. South wind 10 to 14 mph, with gusts as high as 23 mph.
Cloudy
 Tuesday
Night
Tuesday Night: Mostly cloudy, with a low around 41. South southeast wind 13 to 18 mph, with gusts as high as 26 mph.
Mostly Cloudy
 Wednesday

Wednesday: Rain likely, mainly after 11am. Cloudy, with a high near 55. Breezy, with a south wind 18 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 60%.
Rain Likely
and Breezy
 Wednesday
Night
Wednesday Night: Rain. Low around 40. Breezy. Chance of precipitation is 100%.
Rain and
Breezy
 Christmas
Day
Christmas Day: Rain. High near 53. Chance of precipitation is 80%.
Rain
 Thursday
Night
Thursday Night: Rain. Low around 37. Chance of precipitation is 80%.
Rain
 Friday

Friday: Rain likely before 8am, then rain and snow likely. Mostly cloudy, with a high near 45. Chance of precipitation is 60%.
Rain/Snow
Likely
Hi 52 °F Lo 41 °F Hi 54 °F Lo 41 °F Hi 55 °F Lo 40 °F Hi 53 °F Lo 37 °F Hi 45 °F

 

This Afternoon
 
 A 50 percent chance of rain. Mostly cloudy, with a high near 52. South southwest wind around 8 mph.
Tonight
 
 A 30 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 41. South southeast wind around 8 mph.
Tuesday
 
 Cloudy, with a high near 54. South wind 10 to 14 mph, with gusts as high as 23 mph.
Tuesday Night
 
 Mostly cloudy, with a low around 41. South southeast wind 13 to 18 mph, with gusts as high as 26 mph.
Wednesday
 
 Rain likely, mainly after 11am. Cloudy, with a high near 55. Breezy, with a south wind 18 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 60%.
Wednesday Night
 
 Rain. Low around 40. Breezy. Chance of precipitation is 100%.
Christmas Day
 
 Rain. High near 53. Chance of precipitation is 80%.
Thursday Night
 
 Rain. Low around 37. Chance of precipitation is 80%.
Friday
 
 Rain likely before 8am, then rain and snow likely. Mostly cloudy, with a high near 45. Chance of precipitation is 60%.
Friday Night
 
 A chance of rain and snow before 11pm, then a slight chance of snow. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.
Saturday
 
 Mostly sunny, with a high near 38.
Saturday Night
 
 Mostly cloudy, with a low around 25.
Sunday
 
 Partly sunny, with a high near 39.
Sunday Night
 
 Mostly cloudy, with a low around 25.
Monday
 
 Partly sunny, with a high near 42.

 

Forecast from NOAA-NWS for American Falls ID.