Today | Weather | Thursday, April 2, 2026

Active Weather Warnings

Wind Advisory

Weather in Chicago, Illinois

12:04 PM

Now

57° F

Feels Like 48°

Precipitation 38 %

Wind 22 mph

UV Index (0 - 11+) 1

Humidity 82 %

Today

Day 68°

Night 46°

Precipitation 97 %

Wind 18 mph

UV Index (0 - 11+) 1

Chicago Weather Forecast Updated

Last updated on April 02, 2026 at 11:01 AM

Weather Forecast History

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

Day

66°

Night

48°

Wind

15 mph

UV Index

Precipitation

100 %

Air Quality in Chicago

NOW

30 AQI

Good air quality Dominant pollutant: O₃

Pollutant Concentrations:

PM_2.5 1.29 µg/m³

PM₁₀ 1.72 µg/m³

O₃ 0.032 ppm

NO₂ 0.8 ppb

SO₂ 0.2 ppb

CO 0.11 ppm

NH₃ 1.32 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 – 1.29 µg/m³

PM₁₀ – 1.72 µg/m³

O₃ – 63.64 µg/m³

NO₂ – 1.59 µg/m³

SO₂ – 0.62 µg/m³

CO – 123.14 µg/m³

NH₃ – 1.32 µg/m³

NO – 0.11 µg/m³

View Hourly Air Quality Forecast

Weather Alerts and Warnings for Chicago

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, 11:01 AM Source: NWS Alert