National Weather Service Forecast for: St. Anthony ID
Issued by: National Weather Service Pocatello, ID
Updated: 4:31 am MST Dec 5, 2025
 
Overnight

Overnight: A 40 percent chance of snow. Areas of fog. Otherwise, cloudy, with a low around 25. Light west southwest wind. Total nighttime snow accumulation of around an inch possible.
Chance Snow
and Areas Fog

 Friday

Friday: Snow, mainly after 3pm. Areas of fog before 2pm, then patchy fog after 4pm. High near 31. Southwest wind 3 to 7 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Chance Snow
and Areas Fog
then Snow and
Patchy Fog
 Friday
Night
Friday Night: Rain and snow likely, becoming all snow after 3am. Patchy fog after 5am. Otherwise, cloudy, with a low around 27. Southwest wind 7 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Rain/Snow
Likely and
Patchy Fog
 Saturday

Saturday: A 50 percent chance of snow. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 37. Southwest wind 6 to 9 mph, with gusts as high as 18 mph. New snow accumulation of less than a half inch possible.
Chance Snow
and Patchy
Fog
 Saturday
Night
Saturday Night: A 30 percent chance of snow before 11pm. Patchy fog between 11pm and 3am. Otherwise, mostly cloudy, with a low around 20. South wind 5 to 7 mph. New snow accumulation of less than a half inch possible.
Chance Snow
and Patchy
Fog then
Patchy Fog
 Sunday

Sunday: A 40 percent chance of snow, mainly after 11am. Patchy fog between 7am and 11am. Otherwise, mostly cloudy, with a high near 33. New snow accumulation of less than a half inch possible.
Chance Snow
and Patchy
Fog
 Sunday
Night
Sunday Night: Snow likely, mainly before 11pm. Patchy fog after 3am. Otherwise, cloudy, with a low around 27. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Snow Likely
then Chance
Snow and
Patchy Fog
 Monday

Monday: A slight chance of snow before 2pm, then a slight chance of rain and snow. Mostly cloudy, with a high near 38. Chance of precipitation is 20%.
Slight Chance
Snow then
Slight Chance
Rain/Snow
 Monday
Night
Monday Night: A chance of rain and snow, mainly after 11pm. Cloudy, with a low around 30. Chance of precipitation is 40%.
Chance
Rain/Snow
Lo 25 °F Hi 31 °F Lo 27 °F Hi 37 °F Lo 20 °F Hi 33 °F Lo 27 °F Hi 38 °F Lo 30 °F

Winter Weather Advisory
 

Overnight
 
 A 40 percent chance of snow. Areas of fog. Otherwise, cloudy, with a low around 25. Light west southwest wind. Total nighttime snow accumulation of around an inch possible.
Friday
 
 Snow, mainly after 3pm. Areas of fog before 2pm, then patchy fog after 4pm. High near 31. Southwest wind 3 to 7 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Friday Night
 
 Rain and snow likely, becoming all snow after 3am. Patchy fog after 5am. Otherwise, cloudy, with a low around 27. Southwest wind 7 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Saturday
 
 A 50 percent chance of snow. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 37. Southwest wind 6 to 9 mph, with gusts as high as 18 mph. New snow accumulation of less than a half inch possible.
Saturday Night
 
 A 30 percent chance of snow before 11pm. Patchy fog between 11pm and 3am. Otherwise, mostly cloudy, with a low around 20. South wind 5 to 7 mph. New snow accumulation of less than a half inch possible.
Sunday
 
 A 40 percent chance of snow, mainly after 11am. Patchy fog between 7am and 11am. Otherwise, mostly cloudy, with a high near 33. New snow accumulation of less than a half inch possible.
Sunday Night
 
 Snow likely, mainly before 11pm. Patchy fog after 3am. Otherwise, cloudy, with a low around 27. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Monday
 
 A slight chance of snow before 2pm, then a slight chance of rain and snow. Mostly cloudy, with a high near 38. Chance of precipitation is 20%.
Monday Night
 
 A chance of rain and snow, mainly after 11pm. Cloudy, with a low around 30. Chance of precipitation is 40%.
Tuesday
 
 Rain and snow likely, becoming all rain after 2pm. Mostly cloudy, with a high near 44. Chance of precipitation is 60%.
Tuesday Night
 
 Rain and snow likely. Mostly cloudy, with a low around 27. Chance of precipitation is 60%.
Wednesday
 
 Rain and snow likely. Mostly cloudy, with a high near 42. Chance of precipitation is 60%.
Wednesday Night
 
 A chance of rain and snow. Mostly cloudy, with a low around 29. Chance of precipitation is 50%.
Thursday
 
 A chance of rain and snow. Partly sunny, with a high near 44. Chance of precipitation is 30%.

 

Forecast from NOAA-NWS for St. Anthony ID.