National Weather Service Forecast for: St. Anthony ID
Issued by: National Weather Service Pocatello, ID
Updated: 4:31 pm MST Dec 19, 2025
 
Tonight

Tonight: Rain, possibly mixing with snow after 8pm, then gradually ending. Low around 21. Breezy, with a west southwest wind 21 to 26 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 43 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Rain/Snow and
Breezy then
Mostly Clear
 Saturday

Saturday: Mostly sunny, with a high near 35. Southwest wind 9 to 11 mph, with gusts as high as 22 mph.
Mostly Sunny

 Saturday
Night
Saturday Night: A 40 percent chance of snow after 11pm. Mostly cloudy, with a low around 23. South wind around 6 mph becoming light and variable in the evening. New snow accumulation of less than a half inch possible.
Chance Snow

 Sunday

Sunday: Snow likely before 11am, then rain and snow between 11am and 2pm, then rain after 2pm. High near 41. Light and variable wind becoming south southwest 5 to 7 mph in the morning. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Rain/Snow

 Sunday
Night
Sunday Night: Rain. Low around 34. South southwest wind 8 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 100%.
Rain

 Monday

Monday: Rain. High near 43. Chance of precipitation is 80%.
Rain

 Monday
Night
Monday Night: Rain likely, mainly before 11pm. Cloudy, with a low around 33. Chance of precipitation is 70%.
Rain Likely

 Tuesday

Tuesday: A 50 percent chance of rain. Mostly cloudy, with a high near 46.
Chance Rain

 Tuesday
Night
Tuesday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 34.
Slight Chance
Rain
Lo 21 °F Hi 35 °F Lo 23 °F Hi 41 °F Lo 34 °F Hi 43 °F Lo 33 °F Hi 46 °F Lo 34 °F

Wind Advisory
 

Tonight
 
 Rain, possibly mixing with snow after 8pm, then gradually ending. Low around 21. Breezy, with a west southwest wind 21 to 26 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 43 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Saturday
 
 Mostly sunny, with a high near 35. Southwest wind 9 to 11 mph, with gusts as high as 22 mph.
Saturday Night
 
 A 40 percent chance of snow after 11pm. Mostly cloudy, with a low around 23. South wind around 6 mph becoming light and variable in the evening. New snow accumulation of less than a half inch possible.
Sunday
 
 Snow likely before 11am, then rain and snow between 11am and 2pm, then rain after 2pm. High near 41. Light and variable wind becoming south southwest 5 to 7 mph in the morning. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Sunday Night
 
 Rain. Low around 34. South southwest wind 8 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 100%.
Monday
 
 Rain. High near 43. Chance of precipitation is 80%.
Monday Night
 
 Rain likely, mainly before 11pm. Cloudy, with a low around 33. Chance of precipitation is 70%.
Tuesday
 
 A 50 percent chance of rain. Mostly cloudy, with a high near 46.
Tuesday Night
 
 A 20 percent chance of rain. Mostly cloudy, with a low around 34.
Wednesday
 
 Rain likely, mainly after 11am. Cloudy, with a high near 48. Chance of precipitation is 70%.
Wednesday Night
 
 Rain and snow likely. Mostly cloudy, with a low around 28. Chance of precipitation is 70%.
Christmas Day
 
 A chance of rain and snow. Mostly cloudy, with a high near 44. Chance of precipitation is 50%.
Thursday Night
 
 Rain and snow likely. Mostly cloudy, with a low around 29. Chance of precipitation is 60%.
Friday
 
 A 40 percent chance of snow. Mostly cloudy, with a high near 41.

 

Forecast from NOAA-NWS for St. Anthony ID.