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

Tonight: Mostly cloudy, with a low around 21. Light east northeast wind.
Mostly Cloudy
Monday

Monday: Mostly sunny, with a high near 39. East northeast wind around 5 mph becoming calm  in the afternoon.
Mostly Sunny
Monday
Night
Monday Night: Mostly cloudy, with a low around 22. Light east wind.
Mostly Cloudy
Tuesday

Tuesday: Mostly sunny, with a high near 41. Light and variable wind.
Mostly Sunny
Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 21. Calm wind becoming east northeast around 5 mph after midnight.
Partly Cloudy
Wednesday

Wednesday: Mostly sunny, with a high near 44.
Mostly Sunny
Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 23.
Partly Cloudy
Thursday

Thursday: Sunny, with a high near 49.
Sunny
Thursday
Night
Thursday Night: Mostly clear, with a low around 25.
Mostly Clear
Lo 21 °F Hi 39 °F Lo 22 °F Hi 41 °F Lo 21 °F Hi 44 °F Lo 23 °F Hi 49 °F Lo 25 °F

 

Tonight
 
Mostly cloudy, with a low around 21. Light east northeast wind.
Monday
 
Mostly sunny, with a high near 39. East northeast wind around 5 mph becoming calm in the afternoon.
Monday Night
 
Mostly cloudy, with a low around 22. Light east wind.
Tuesday
 
Mostly sunny, with a high near 41. Light and variable wind.
Tuesday Night
 
Partly cloudy, with a low around 21. Calm wind becoming east northeast around 5 mph after midnight.
Wednesday
 
Mostly sunny, with a high near 44.
Wednesday Night
 
Partly cloudy, with a low around 23.
Thursday
 
Sunny, with a high near 49.
Thursday Night
 
Mostly clear, with a low around 25.
Friday
 
Sunny, with a high near 51.
Friday Night
 
Mostly clear, with a low around 25.
Saturday
 
Mostly sunny, with a high near 47.
Saturday Night
 
Partly cloudy, with a low around 26.
Sunday
 
A 10 percent chance of rain. Mostly sunny, with a high near 47.

 

Forecast from NOAA-NWS for St. Anthony ID.