National Weather Service Forecast for: St. Anthony ID
Issued by: National Weather Service Pocatello, ID
Updated: 2:27 am MST Dec 18, 2025
 
Overnight

Overnight: Mostly cloudy, with a steady temperature around 25. South southwest wind around 6 mph.
Mostly Cloudy

 Thursday

Thursday: Snow, mainly after 9am. High near 36. South southwest wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Slight Chance
Snow then
Snow
 Thursday
Night
Thursday Night: Snow before 9pm, then a chance of rain and snow between 9pm and 11pm, then a chance of rain after 11pm. Temperature falling to near 31 by 10pm, then rising to around 38 during the remainder of the night. South southwest wind 10 to 18 mph, with gusts as high as 38 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Rain/Snow
then Chance
Rain
 Friday

Friday: Rain, mainly after 11am. High near 43. Breezy, with a southwest wind 21 to 28 mph, with gusts as high as 44 mph. Chance of precipitation is 90%.
Rain and
Breezy
 Friday
Night
Friday Night: Rain before 8pm, then rain and snow between 8pm and 11pm, then a chance of snow after 11pm. Low around 21. Breezy, with a southwest wind 20 to 25 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 41 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Rain/Snow and
Breezy then
Chance Snow
 Saturday

Saturday: A 20 percent chance of snow before 11am. Mostly sunny, with a high near 34.
Slight Chance
Snow then
Mostly Sunny
 Saturday
Night
Saturday Night: A 30 percent chance of snow after 11pm. Mostly cloudy, with a low around 23. New snow accumulation of less than a half inch possible.
Chance Snow

 Sunday

Sunday: A chance of snow before 11am, then rain, possibly mixed with snow. High near 40. Chance of precipitation is 80%.
Rain/Snow

 Sunday
Night
Sunday Night: Rain. Low around 32. Chance of precipitation is 90%.
Rain
Lo 25 °F Hi 36 °F Lo 31 °F⇑ Hi 43 °F Lo 21 °F Hi 34 °F Lo 23 °F Hi 40 °F Lo 32 °F

 

Overnight
 
 Mostly cloudy, with a steady temperature around 25. South southwest wind around 6 mph.
Thursday
 
 Snow, mainly after 9am. High near 36. South southwest wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Thursday Night
 
 Snow before 9pm, then a chance of rain and snow between 9pm and 11pm, then a chance of rain after 11pm. Temperature falling to near 31 by 10pm, then rising to around 38 during the remainder of the night. South southwest wind 10 to 18 mph, with gusts as high as 38 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Friday
 
 Rain, mainly after 11am. High near 43. Breezy, with a southwest wind 21 to 28 mph, with gusts as high as 44 mph. Chance of precipitation is 90%.
Friday Night
 
 Rain before 8pm, then rain and snow between 8pm and 11pm, then a chance of snow after 11pm. Low around 21. Breezy, with a southwest wind 20 to 25 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 41 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Saturday
 
 A 20 percent chance of snow before 11am. Mostly sunny, with a high near 34.
Saturday Night
 
 A 30 percent chance of snow after 11pm. Mostly cloudy, with a low around 23. New snow accumulation of less than a half inch possible.
Sunday
 
 A chance of snow before 11am, then rain, possibly mixed with snow. High near 40. Chance of precipitation is 80%.
Sunday Night
 
 Rain. Low around 32. Chance of precipitation is 90%.
Monday
 
 Rain. High near 44. Chance of precipitation is 80%.
Monday Night
 
 Rain and snow likely. Mostly cloudy, with a low around 30. Chance of precipitation is 60%.
Tuesday
 
 A chance of rain and snow. Mostly cloudy, with a high near 43. Chance of precipitation is 40%.
Tuesday Night
 
 A chance of rain and snow. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.
Wednesday
 
 A chance of rain and snow. Mostly cloudy, with a high near 47. Chance of precipitation is 50%.

 

Forecast from NOAA-NWS for St. Anthony ID.