Today | Weather | Thursday, April 2, 2026

Active Weather Warnings

Weather in Chicago, Illinois

08:17 PM

Now

66° F

Feels Like 57°

Precipitation 63 %

Wind 22 mph

Humidity 73 %

Today

Day 70°

Night 48°

Precipitation 87 %

Wind 16 mph

Chicago Weather Forecast Updated

6 minutes ago

Last updated on April 02, 2026 at 8:10 PM

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

32 AQI

Good air quality Dominant pollutant: O₃

Pollutant Concentrations:

PM_2.5 0.62 µg/m³

PM₁₀ 0.66 µg/m³

O₃ 0.035 ppm

NO₂ 1.2 ppb

SO₂ 0.2 ppb

CO 0.11 ppm

NH₃ 0.76 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 considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)

PM_2.5 – 0.62 µg/m³

PM₁₀ – 0.66 µg/m³

O₃ – 68.22 µg/m³

NO₂ – 2.29 µg/m³

SO₂ – 0.54 µg/m³

CO – 124.29 µg/m³

NH₃ – 0.76 µg/m³

NO – 0 µg/m³

View Hourly Air Quality Forecast

Weather Alerts and Warnings for Chicago

Extreme Future Possible

Tornado Watch

Tornado Watch issued April 2 at 6:52PM CDT until April 2 at 11:00PM CDT by NWS Chicago IL

Apr 2, 6:52 PM → Apr 2, 11:00 PM

THE NATIONAL WEATHER SERVICE HAS EXTENDED TORNADO WATCH 89 TO
INCLUDE THE FOLLOWING AREAS UNTIL 11 PM CDT THIS EVENING

IN ILLINOIS THIS WATCH INCLUDES 4 COUNTIES

IN NORTHEAST ILLINOIS

COOK DUPAGE LAKE IL
WILL

THIS INCLUDES THE CITIES OF BOLINGBROOK, BUFFALO GROVE,
CAROL STREAM, CHICAGO, DOWNERS GROVE, EVANSTON, GURNEE, JOLIET,
LEMONT, LOMBARD, MUNDELEIN, NAPERVILLE, OAK LAWN, ORLAND PARK,
PARK FOREST, SCHAUMBURG, WAUKEGAN, WHEATON, AND WILMINGTON.

Updated: Apr 2, 8:10 PM Source: NWS Alert

Severe Immediate Observed

Severe Thunderstorm Warning

Severe Thunderstorm Warning issued April 2 at 8:02PM CDT until April 2 at 9:00PM CDT by NWS Chicago IL

Apr 2, 8:02 PM → Apr 2, 9:00 PM

SVRLOT

The National Weather Service in Chicago has issued a

* Severe Thunderstorm Warning for...
Northwestern Will County in northeastern Illinois...
DuPage County in northeastern Illinois...
Cook County in northeastern Illinois...

* Until 900 PM CDT.

* At 802 PM CDT, severe thunderstorms were located along a line
extending from Schaumburg to near Shorewood, moving northeast at 65
mph.

HAZARD...70 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect considerable
tree damage. Wind damage is also likely to mobile homes,
roofs, and outbuildings.

* Locations impacted include...
Chicago, Aurora, Joliet, Naperville, Cicero, Hammond, Arlington
Heights, Evanston, Schaumburg, Bolingbrook, Skokie, Des Plaines,
Orland Park, Tinley Park, Oak Lawn, Berwyn, Mount Prospect,
Wheaton, Hoffman Estates, Oak Park, Downers Grove, Glenview,
Elmhurst, Lombard, and Bartlett.

+ Read More

Remain alert for a possible tornado! Tornadoes can develop quickly from severe thunderstorms. If you spot a tornado go at once into the basement or small central room in a sturdy structure. For your protection move to an interior room on the lowest floor of a building. A Tornado Watch remains in effect until 1100 PM CDT for northeastern Illinois.