Caldwell, Idaho Weather:
Active Weather Warnings
Saturday, February 7, 2026
Cloudy Weather
Day 59°
Night 34°
Precipitation 1 %
Wind 4 mph
UV Index (0 - 11+) 3

Weather Alerts and Warnings for

Moderate Expected Likely

Air Stagnation Advisory

Air Stagnation Advisory issued February 5 at 1:27PM MST until February 9 at 5:00AM MST by NWS Boise ID
Feb 5, 1:27 PM Feb 9, 5:00 AM
WHAT: An extended period of stagnant air, with light winds and
little vertical mixing. This is due to an inversion near the
surface that will continue to trap pollutants.

WHERE: Portions of south central and southwest Idaho and
northeast and southeast Oregon.

WHEN: Until 5 AM MST /4 AM PST/ Monday.

IMPACTS: Poor air quality may cause issues for people with
respiratory problems.
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Persons with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air.
Updated: Feb 5, 8:24 PM Source: NWS Alert