Today | Weather | Thursday, April 2, 2026

Active Weather Warnings

Wind Advisory

Weather in Naperville, Illinois

12:47 PM

Now

61° F

Feels Like 54°

Precipitation 69 %

Wind 22 mph

UV Index (0 - 11+) 1

Humidity 100 %

Today

Day 70°

Night 46°

Precipitation 100 %

Wind 17 mph

UV Index (0 - 11+) 1

Naperville Weather Forecast Updated

26 minutes ago

Last updated on April 02, 2026 at 12:21 PM

Weather Forecast History

Last Year's Weather on This Day (April 2, 2025)

Day

72°

Night

46°

Wind

15 mph

UV Index

Precipitation

100 %

Air Quality in Naperville

NOW

31 AQI

Good air quality Dominant pollutant: O₃

Pollutant Concentrations:

PM_2.5 1.2 µg/m³

PM₁₀ 1.66 µg/m³

O₃ 0.033 ppm

NO₂ 0.7 ppb

SO₂ 0.3 ppb

CO 0.10 ppm

NH₃ 1.78 µg/m³

NO 0.11 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 considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)

PM_2.5 – 1.2 µg/m³

PM₁₀ – 1.66 µg/m³

O₃ – 65.25 µg/m³

NO₂ – 1.4 µg/m³

SO₂ – 0.67 µg/m³

CO – 117.14 µg/m³

NH₃ – 1.78 µg/m³

NO – 0.11 µg/m³

View Hourly Air Quality Forecast

Weather Alerts and Warnings for Naperville

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.

+ Read More

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.

Updated: Apr 2, 12:21 PM Source: NWS Alert