National Weather Service Forecast for: Mountain Home ID
Issued by: National Weather Service Boise, ID
Updated: 8:36 pm MST Dec 17, 2025
 
Tonight

Tonight: Partly cloudy, with a low around 29. Light and variable wind becoming east around 5 mph after midnight.
Partly Cloudy

Thursday

Thursday: A chance of snow before 8am, then a chance of rain and snow between 8am and 11am, then rain after 11am.  High near 45. East southeast wind 10 to 17 mph, with gusts as high as 26 mph.  Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Rain/Snow
then Rain
Thursday
Night
Thursday Night: A 50 percent chance of rain.  Cloudy, with a steady temperature around 43. East southeast wind 6 to 11 mph, with gusts as high as 20 mph.
Chance Rain

Friday

Friday: Rain.  High near 54. East wind 6 to 11 mph becoming west southwest in the afternoon. Winds could gust as high as 21 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Rain

Friday
Night
Friday Night: Rain before 2am, then a chance of rain and snow.  Low around 28. Northwest wind 8 to 14 mph, with gusts as high as 23 mph.  Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Rain then
Chance
Rain/Snow
Saturday

Saturday: A chance of snow before 11am, then a slight chance of rain and snow.  Mostly sunny, with a high near 44. Chance of precipitation is 30%. Little or no snow accumulation expected.
Chance
Rain/Snow
Saturday
Night
Saturday Night: A chance of rain and snow, mainly after 11pm.  Mostly cloudy, with a low around 33. Chance of precipitation is 40%. Little or no snow accumulation expected.
Chance
Rain/Snow
Sunday

Sunday: Rain and snow likely before 11am, then rain.  High near 49. Chance of precipitation is 80%.
Rain/Snow
then Rain
Sunday
Night
Sunday Night: Rain.  Low around 39. Chance of precipitation is 80%.
Rain

Lo 29 °F Hi 45 °F Lo 43 °F Hi 54 °F Lo 28 °F Hi 44 °F Lo 33 °F Hi 49 °F Lo 39 °F

 

Tonight
 
Partly cloudy, with a low around 29. Light and variable wind becoming east around 5 mph after midnight.
Thursday
 
A chance of snow before 8am, then a chance of rain and snow between 8am and 11am, then rain after 11am. High near 45. East southeast wind 10 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Thursday Night
 
A 50 percent chance of rain. Cloudy, with a steady temperature around 43. East southeast wind 6 to 11 mph, with gusts as high as 20 mph.
Friday
 
Rain. High near 54. East wind 6 to 11 mph becoming west southwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
 
Rain before 2am, then a chance of rain and snow. Low around 28. Northwest wind 8 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Saturday
 
A chance of snow before 11am, then a slight chance of rain and snow. Mostly sunny, with a high near 44. Chance of precipitation is 30%. Little or no snow accumulation expected.
Saturday Night
 
A chance of rain and snow, mainly after 11pm. Mostly cloudy, with a low around 33. Chance of precipitation is 40%. Little or no snow accumulation expected.
Sunday
 
Rain and snow likely before 11am, then rain. High near 49. Chance of precipitation is 80%.
Sunday Night
 
Rain. Low around 39. Chance of precipitation is 80%.
Monday
 
Rain likely, mainly before 11am. Mostly cloudy, with a high near 52. Chance of precipitation is 70%.
Monday Night
 
A 40 percent chance of rain. Mostly cloudy, with a low around 34.
Tuesday
 
A 40 percent chance of rain. Partly sunny, with a high near 51.
Tuesday Night
 
A 40 percent chance of rain. Mostly cloudy, with a low around 37.
Wednesday
 
Rain likely. Mostly cloudy, with a high near 51. Chance of precipitation is 60%.

 

Forecast from NOAA-NWS for Mountain Home ID.