National Weather Service Forecast for: Nampa ID
Issued by: National Weather Service Boise, ID
Updated: 2:04 pm MST Dec 22, 2025
 
This
Afternoon
This Afternoon: A 30 percent chance of rain. Mostly cloudy, with a high near 50. Southeast wind around 5 mph.
Chance Rain

 Tonight

Tonight: Rain likely, mainly after 11pm. Mostly cloudy, with a low around 40. Southeast wind around 6 mph becoming calm after midnight. Chance of precipitation is 70%.
Rain Likely

 Tuesday

Tuesday: A 30 percent chance of rain before 11am. Mostly cloudy, with a high near 52. Southeast wind 3 to 7 mph.
Chance Rain
then Mostly
Cloudy
 Tuesday
Night
Tuesday Night: Mostly cloudy, with a low around 43. Southeast wind 5 to 10 mph.
Mostly Cloudy

 Wednesday

Wednesday: Rain, mainly after 11am. High near 57. Southeast wind 13 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Rain

 Wednesday
Night
Wednesday Night: Rain. Low around 41. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Rain

 Christmas
Day
Christmas Day: A 30 percent chance of rain. Partly sunny, with a high near 56.
Chance Rain

 Thursday
Night
Thursday Night: Rain, mainly before 11pm. Low around 36. Chance of precipitation is 80%.
Rain then
Chance Rain
 Friday

Friday: A 30 percent chance of rain. Partly sunny, with a high near 49.
Chance Rain
Hi 50 °F Lo 40 °F Hi 52 °F Lo 43 °F Hi 57 °F Lo 41 °F Hi 56 °F Lo 36 °F Hi 49 °F

 

This Afternoon
 
 A 30 percent chance of rain. Mostly cloudy, with a high near 50. Southeast wind around 5 mph.
Tonight
 
 Rain likely, mainly after 11pm. Mostly cloudy, with a low around 40. Southeast wind around 6 mph becoming calm after midnight. Chance of precipitation is 70%.
Tuesday
 
 A 30 percent chance of rain before 11am. Mostly cloudy, with a high near 52. Southeast wind 3 to 7 mph.
Tuesday Night
 
 Mostly cloudy, with a low around 43. Southeast wind 5 to 10 mph.
Wednesday
 
 Rain, mainly after 11am. High near 57. Southeast wind 13 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
 
 Rain. Low around 41. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Christmas Day
 
 A 30 percent chance of rain. Partly sunny, with a high near 56.
Thursday Night
 
 Rain, mainly before 11pm. Low around 36. Chance of precipitation is 80%.
Friday
 
 A 30 percent chance of rain. Partly sunny, with a high near 49.
Friday Night
 
 A 20 percent chance of rain before 11pm. Partly cloudy, with a low around 29.
Saturday
 
 Partly sunny, with a high near 42.
Saturday Night
 
 Patchy fog. Otherwise, mostly cloudy, with a low around 24.
Sunday
 
 Partly sunny, with a high near 41.
Sunday Night
 
 Mostly cloudy, with a low around 25.
Monday
 
 Mostly sunny, with a high near 42.

 

Forecast from NOAA-NWS for Nampa ID.