National Weather Service Forecast for: Nampa ID
Issued by: National Weather Service Boise, ID
Updated: 12:29 am MDT May 26, 2026
 
Today

Today: A 20 percent chance of showers after noon.  Mostly cloudy, with a high near 71. Northwest wind 9 to 15 mph.
Mostly Cloudy
then Slight
Chance
Showers
Tonight

Tonight: A 50 percent chance of showers.  Mostly cloudy, with a low around 50. West northwest wind 13 to 18 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 29 mph.
Chance
Showers

Wednesday

Wednesday: A chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm.  Partly sunny, with a high near 81. Light and variable wind becoming east southeast 6 to 11 mph in the afternoon. Winds could gust as high as 25 mph.  Chance of precipitation is 30%.
Mostly Sunny
then Chance
Showers
Wednesday
Night
Wednesday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight.  Mostly cloudy, with a low around 54. Northwest wind 5 to 11 mph, with gusts as high as 25 mph.  Chance of precipitation is 30%.
Chance
Showers then
Partly Cloudy
Thursday

Thursday: A slight chance of showers, with thunderstorms also possible after noon.  Mostly sunny, with a high near 84. Light and variable wind becoming south southeast 6 to 11 mph in the morning. Winds could gust as high as 21 mph.  Chance of precipitation is 20%.
Slight Chance
Showers then
Slight Chance
T-storms
Thursday
Night
Thursday Night: A 30 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 52.
Chance
Showers then
Partly Cloudy
Friday

Friday: A slight chance of showers, then a chance of showers and thunderstorms after noon.  Partly sunny, with a high near 77. Chance of precipitation is 50%.
Slight Chance
Showers then
Chance
Showers
Friday
Night
Friday Night: Showers likely, mainly before midnight.  Mostly cloudy, with a low around 50. Chance of precipitation is 60%.
Showers
Likely

Saturday

Saturday: A 20 percent chance of showers before noon.  Partly sunny, with a high near 73.
Slight Chance
Showers then
Mostly Sunny
Hi 71 °F Lo 50 °F Hi 81 °F Lo 54 °F Hi 84 °F Lo 52 °F Hi 77 °F Lo 50 °F Hi 73 °F

 

Today
 
A 20 percent chance of showers after noon. Mostly cloudy, with a high near 71. Northwest wind 9 to 15 mph.
Tonight
 
A 50 percent chance of showers. Mostly cloudy, with a low around 50. West northwest wind 13 to 18 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 29 mph.
Wednesday
 
A chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 81. Light and variable wind becoming east southeast 6 to 11 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 30%.
Wednesday Night
 
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 54. Northwest wind 5 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Thursday
 
A slight chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 84. Light and variable wind becoming south southeast 6 to 11 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 20%.
Thursday Night
 
A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 52.
Friday
 
A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 77. Chance of precipitation is 50%.
Friday Night
 
Showers likely, mainly before midnight. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.
Saturday
 
A 20 percent chance of showers before noon. Partly sunny, with a high near 73.
Saturday Night
 
Mostly clear, with a low around 48.
Sunday
 
Sunny, with a high near 76.
Sunday Night
 
Mostly clear, with a low around 48.
Monday
 
Sunny, with a high near 82.

 

Forecast from NOAA-NWS for Nampa ID.