Today | Weather | Thursday, April 2, 2026
Active Weather Warnings

Weather in Waukegan, Illinois

06:41 PM
Now
Cloudy Weather
63° F
Feels Like 57°
Precipitation 49 %
Wind 22 mph
UV Index (0 - 11+) 0
Humidity 84 %
Today
Stormy Weather
Day 64°
Night 45°
Precipitation 100 %
Wind 14 mph
UV Index (0 - 11+) 2

Waukegan Weather Forecast Updated

Last updated on

Air Quality in Waukegan

NOW
32 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 0.88 µg/m³
PM10 0.93 µg/m³
O3 0.034 ppm
NO2 1.5 ppb
SO2 0.3 ppb
CO 0.11 ppm
NH3 0.82 µg/m³
NO 0.02 µg/m³
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide
NH3 – Ammonia
NO – Nitric oxide

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)
PM2.50.88 µg/m³
PM100.93 µg/m³
O367.22 µg/m³
NO22.89 µg/m³
SO20.81 µg/m³
CO125.1 µg/m³
NH30.82 µg/m³
NO0.02 µg/m³

Weather Alerts and Warnings for Waukegan

Moderate Expected Likely

Wind Advisory

Wind Advisory issued April 2 at 10:36AM CDT until April 2 at 7:00PM CDT by NWS Chicago IL
Apr 2, 1:00 PM Apr 2, 7:00 PM
WHAT: South winds 20 to 30 mph with gusts up to 45 mph expected.

WHERE: Portions of north central and northeast Illinois.

WHEN: Until 7 PM CDT this evening.

IMPACTS: Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
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Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.
Updated: Apr 2, 5:21 PM Source: NWS Alert