Today | Weather | Thursday, February 5, 2026

Active Weather Warnings

Special Weather Statement

Weather in Waukegan, Illinois

07:37 PM

Now

28° F

Feels Like 12°

Precipitation 7 %

Wind 17 mph

Humidity 84 %

Today

Day 30°

Night 28°

Precipitation 85 %

Wind 12 mph

UV Index (0 - 11+) 2

Waukegan Weather Forecast Updated

43 minutes ago

Last updated on February 05, 2026 at 6:53 PM

Air Quality in Waukegan

NOW

56 AQI

Moderate air quality Dominant pollutant: PM_2.5

Pollutant Concentrations:

PM_2.5 14.96 µg/m³

PM₁₀ 16.3 µg/m³

O₃ 0.025 ppm

NO₂ 9.3 ppb

SO₂ 3.2 ppb

CO 0.21 ppm

NH₃ 0.27 µg/m³

NO 0 µg/m³

PM_2.5 – 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 acceptable; however, for some pollutants, there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.

Show raw pollutant concentrations (µg/m³)

PM_2.5 – 14.96 µg/m³

PM₁₀ – 16.3 µg/m³

O₃ – 50.02 µg/m³

NO₂ – 17.57 µg/m³

SO₂ – 8.27 µg/m³

CO – 243.79 µg/m³

NH₃ – 0.27 µg/m³

NO – 0 µg/m³

View Hourly Air Quality Forecast

Weather Alerts and Warnings for Waukegan

Moderate Expected Observed

Special Weather Statement

Special Weather Statement issued February 5 at 3:27PM CST by NWS Chicago IL

Feb 5, 3:27 PM → Feb 5, 9:00 PM

A fast moving weather system will produce a short 3 to 5 hour period
of accumulating snow late tonight into early Friday morning.
While significant snowfall amounts are not expected, a burst of
snow, with rates up to 1 inch per hour, could result in a period
of slick travel due to snow covered roads early Friday morning.
Accordingly, motorists are urged to plan for extra time to reach
their destination Friday morning.

Updated: Feb 5, 6:53 PM Source: NWS Alert