NWS Forecast for Nampa ID

National Weather Service Forecast for: Nampa ID
Issued by: National Weather Service Boise, ID

Updated: 2:05 pm MST Feb 1, 2026

Tonight Partly Cloudy then Patchy Fog	Monday Patchy Fog then Mostly Sunny	Monday Night Mostly Clear then Patchy Fog	Tuesday Patchy Fog then Mostly Sunny	Tuesday Night Mostly Cloudy	Wednesday Mostly Sunny	Wednesday Night Partly Cloudy then Patchy Fog	Thursday Patchy Fog then Sunny	Thursday Night Mostly Clear then Patchy Fog
Lo 28 °F	Hi 51 °F	Lo 29 °F	Hi 52 °F	Lo 31 °F	Hi 52 °F	Lo 30 °F	Hi 52 °F	Lo 30 °F

Air Stagnation Advisory

Tonight	Patchy fog after 5am. Otherwise, partly cloudy, with a low around 28. Light west northwest wind.
Monday	Patchy fog before 8am. Otherwise, mostly sunny, with a high near 51. Calm wind.
Monday Night	Patchy fog after 2am. Otherwise, mostly clear, with a low around 29. Calm wind.
Tuesday	Patchy fog before 8am. Otherwise, mostly sunny, with a high near 52. Light and variable wind.
Tuesday Night	Mostly cloudy, with a low around 31. Light and variable wind.
Wednesday	Mostly sunny, with a high near 52.
Wednesday Night	Patchy fog after 2am. Otherwise, mostly clear, with a low around 30.
Thursday	Patchy fog before 8am. Otherwise, sunny, with a high near 52.
Thursday Night	Patchy fog after 2am. Otherwise, mostly clear, with a low around 30.
Friday	Patchy fog before 8am. Otherwise, mostly sunny, with a high near 51.
Friday Night	Partly cloudy, with a low around 31.
Saturday	Mostly sunny, with a high near 52.
Saturday Night	Partly cloudy, with a low around 34.
Sunday	A 30 percent chance of rain. Partly sunny, with a high near 54.

Forecast from NOAA-NWS for Nampa ID.