Hourly Weather Forecast for Oak Lawn, Illinois

Hourly Weather | Today › Wednesday, August 12, 2026

Active Weather Warnings

Severe Thunderstorm Watch

Oak Lawn, Illinois

1 PM

79°

Feels Like 84°

Humidity: 87%

UV Index: 3

Wind: 8 mph

2 PM

79°

Feels Like 82°

Humidity: 79%

UV Index: 3

Wind: 8 mph

3 PM

79°

Feels Like 88°

Humidity: 77%

UV Index: 4

Wind: 9 mph

4 PM

79°

Feels Like 86°

Humidity: 78%

UV Index: 4

Wind: 9 mph

5 PM

79°

Feels Like 84°

Humidity: 78%

UV Index: 3

Wind: 8 mph

6 PM

79°

Feels Like 82°

Humidity: 78%

UV Index: 2

Wind: 8 mph

7 PM

77°

Feels Like 81°

Humidity: 82%

UV Index: 1

Wind: 8 mph

8 PM

75°

Feels Like 79°

Humidity: 84%

UV Index: 0

Wind: 7 mph

9 PM

75°

Feels Like 77°

Humidity: 87%

UV Index: 0

Wind: 7 mph

10 PM

73°

Feels Like 77°

Humidity: 88%

UV Index: 0

Wind: 6 mph

11 PM

73°

Feels Like 77°

Humidity: 89%

UV Index: 0

Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

1 PM

32 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 7.57 µg/m³
PM₁₀: 7.74 µg/m³
O₃: 0.034 ppm
NO₂: 0.9 ppb
SO₂: 0.6 ppb
CO: 0.10 ppm

Health Recommendations:

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

2 PM

34 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 6.9 µg/m³
PM₁₀: 7.06 µg/m³
O₃: 0.037 ppm
NO₂: 0.8 ppb
SO₂: 0.7 ppb
CO: 0.10 ppm

Health Recommendations:

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

3 PM

35 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 6.35 µg/m³
PM₁₀: 6.51 µg/m³
O₃: 0.038 ppm
NO₂: 0.7 ppb
SO₂: 0.6 ppb
CO: 0.10 ppm

Health Recommendations:

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

4 PM

36 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 6.12 µg/m³
PM₁₀: 6.28 µg/m³
O₃: 0.038 ppm
NO₂: 0.7 ppb
SO₂: 0.6 ppb
CO: 0.10 ppm

Health Recommendations:

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

5 PM

34 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 6.17 µg/m³
PM₁₀: 6.34 µg/m³
O₃: 0.037 ppm
NO₂: 1 ppb
SO₂: 0.5 ppb
CO: 0.10 ppm

Health Recommendations:

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

6 PM

31 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 6.53 µg/m³
PM₁₀: 6.72 µg/m³
O₃: 0.033 ppm
NO₂: 1.6 ppb
SO₂: 0.5 ppb
CO: 0.10 ppm

Health Recommendations:

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

7 PM

29 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 6.87 µg/m³
PM₁₀: 7.1 µg/m³
O₃: 0.031 ppm
NO₂: 2.2 ppb
SO₂: 0.5 ppb
CO: 0.11 ppm

Health Recommendations:

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

8 PM

30 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 7.2 µg/m³
PM₁₀: 7.48 µg/m³
O₃: 0.026 ppm
NO₂: 2.9 ppb
SO₂: 0.4 ppb
CO: 0.11 ppm

Health Recommendations:

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

9 PM

32 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 7.59 µg/m³
PM₁₀: 7.92 µg/m³
O₃: 0.020 ppm
NO₂: 3.5 ppb
SO₂: 0.3 ppb
CO: 0.12 ppm

Health Recommendations:

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

10 PM

33 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 7.98 µg/m³
PM₁₀: 8.35 µg/m³
O₃: 0.016 ppm
NO₂: 3.9 ppb
SO₂: 0.3 ppb
CO: 0.12 ppm

Health Recommendations:

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

11 PM

34 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 8.24 µg/m³
PM₁₀: 8.63 µg/m³
O₃: 0.013 ppm
NO₂: 4.1 ppb
SO₂: 0.3 ppb
CO: 0.12 ppm

Health Recommendations:

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

Current Real-Time Air Quality Report

Weather Alerts and Warnings for Oak Lawn

Severe Future Possible

Severe Thunderstorm Watch

Severe Thunderstorm Watch issued August 12 at 8:29AM CDT until August 12 at 1:00PM CDT by NWS Chicago IL

Aug 12, 8:29 AM → Aug 12, 1:00 PM

THE NATIONAL WEATHER SERVICE HAS EXTENDED SEVERE THUNDERSTORM
WATCH 574 TO INCLUDE THE FOLLOWING AREAS UNTIL 1 PM CDT THIS
AFTERNOON

IN ILLINOIS THIS WATCH INCLUDES 3 COUNTIES

IN NORTHEAST ILLINOIS

COOK DUPAGE KANE

IN INDIANA THIS WATCH INCLUDES 3 COUNTIES

IN NORTHWEST INDIANA

JASPER LAKE IN PORTER

THIS INCLUDES THE CITIES OF AURORA, CAROL STREAM, CHESTERTON,
CHICAGO, DEMOTTE, DOWNERS GROVE, ELGIN, EVANSTON, GARY, HAMMOND,
LEMONT, LOMBARD, MERRILLVILLE, NAPERVILLE, OAK LAWN, ORLAND PARK,
PARK FOREST, PORTAGE, RENSSELAER, SCHAUMBURG, VALPARAISO,
AND WHEATON.

Updated: Aug 12, 9:13 AM Source: NWS Alert

Hourly Air Quality Forecast - AQI (US EPA)

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Weather Alerts and Warnings for Oak Lawn

Severe Thunderstorm Watch

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