Hourly Weather Forecast for Cicero, Illinois

Hourly Weather | Today › Tuesday, July 21, 2026

Active Weather Warnings

Beach Hazards Statement

Cicero, Illinois

9 AM

79°

Feels Like 81°

Humidity: 72%

UV Index: 3

Wind: 14 mph

10 AM

81°

Feels Like 84°

Humidity: 63%

UV Index: 5

Wind: 15 mph

11 AM

82°

Feels Like 86°

Humidity: 59%

UV Index: 7

Wind: 15 mph

12 PM

82°

Feels Like 88°

Humidity: 55%

UV Index: 9

Wind: 16 mph

1 PM

84°

Feels Like 86°

Humidity: 51%

UV Index: 5

Wind: 16 mph

2 PM

84°

Feels Like 84°

Humidity: 51%

UV Index: 5

Wind: 16 mph

3 PM

82°

Feels Like 82°

Humidity: 52%

UV Index: 4

Wind: 15 mph

4 PM

82°

Feels Like 82°

Humidity: 53%

UV Index: 3

Wind: 15 mph

5 PM

81°

Feels Like 81°

Humidity: 54%

UV Index: 2

Wind: 15 mph

6 PM

79°

Feels Like 73°

Humidity: 60%

UV Index: 1

Wind: 15 mph

7 PM

79°

Feels Like 75°

Humidity: 62%

UV Index: 1

Wind: 15 mph

8 PM

77°

Feels Like 75°

Humidity: 63%

UV Index: 0

Wind: 14 mph

9 PM

73°

Feels Like 72°

Humidity: 67%

UV Index: 0

Wind: 14 mph

10 PM

72°

Feels Like 68°

Humidity: 72%

UV Index: 0

Wind: 14 mph

11 PM

72°

Feels Like 64°

Humidity: 72%

UV Index: 0

Wind: 14 mph

Hourly Air Quality Forecast - AQI (US EPA)

9 AM

26 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 6.24 µg/m³
PM₁₀: 6.32 µg/m³
O₃: 0.018 ppm
NO₂: 1.8 ppb
SO₂: 0.4 ppb
CO: 0.11 ppm

Health Recommendations:

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

10 AM

26 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 6.13 µg/m³
PM₁₀: 6.23 µg/m³
O₃: 0.019 ppm
NO₂: 1.5 ppb
SO₂: 0.5 ppb
CO: 0.11 ppm

Health Recommendations:

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

11 AM

30 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 7.05 µg/m³
PM₁₀: 7.15 µg/m³
O₃: 0.032 ppm
NO₂: 0.9 ppb
SO₂: 0.5 ppb
CO: 0.11 ppm

Health Recommendations:

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

12 PM

36 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 6.73 µg/m³
PM₁₀: 6.82 µg/m³
O₃: 0.039 ppm
NO₂: 0.5 ppb
SO₂: 0.4 ppb
CO: 0.11 ppm

Health Recommendations:

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

1 PM

38 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 5.91 µg/m³
PM₁₀: 6 µg/m³
O₃: 0.041 ppm
NO₂: 0.4 ppb
SO₂: 0.3 ppb
CO: 0.10 ppm

Health Recommendations:

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

2 PM

39 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 5.02 µg/m³
PM₁₀: 5.1 µg/m³
O₃: 0.042 ppm
NO₂: 0.3 ppb
SO₂: 0.3 ppb
CO: 0.10 ppm

Health Recommendations:

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

3 PM

38 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 4.71 µg/m³
PM₁₀: 4.78 µg/m³
O₃: 0.041 ppm
NO₂: 0.4 ppb
SO₂: 0.3 ppb
CO: 0.11 ppm

Health Recommendations:

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

4 PM

37 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 4.45 µg/m³
PM₁₀: 4.52 µg/m³
O₃: 0.039 ppm
NO₂: 0.4 ppb
SO₂: 0.3 ppb
CO: 0.11 ppm

Health Recommendations:

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

5 PM

35 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 4.03 µg/m³
PM₁₀: 4.1 µg/m³
O₃: 0.038 ppm
NO₂: 0.6 ppb
SO₂: 0.3 ppb
CO: 0.11 ppm

Health Recommendations:

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

6 PM

34 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 3.59 µg/m³
PM₁₀: 3.66 µg/m³
O₃: 0.036 ppm
NO₂: 0.8 ppb
SO₂: 0.3 ppb
CO: 0.12 ppm

Health Recommendations:

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

7 PM

32 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 3.06 µg/m³
PM₁₀: 3.13 µg/m³
O₃: 0.035 ppm
NO₂: 1.1 ppb
SO₂: 0.3 ppb
CO: 0.12 ppm

Health Recommendations:

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

8 PM

30 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 2.59 µg/m³
PM₁₀: 2.67 µg/m³
O₃: 0.032 ppm
NO₂: 1.4 ppb
SO₂: 0.3 ppb
CO: 0.12 ppm

Health Recommendations:

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

9 PM

27 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 2.27 µg/m³
PM₁₀: 2.35 µg/m³
O₃: 0.030 ppm
NO₂: 1.6 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

25 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 1.99 µg/m³
PM₁₀: 2.07 µg/m³
O₃: 0.027 ppm
NO₂: 1.7 ppb
SO₂: 0.4 ppb
CO: 0.12 ppm

Health Recommendations:

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

11 PM

23 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 1.74 µg/m³
PM₁₀: 1.83 µg/m³
O₃: 0.025 ppm
NO₂: 1.8 ppb
SO₂: 0.4 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 Cicero

Moderate Expected Likely

Beach Hazards Statement

Beach Hazards Statement issued July 21 at 2:33AM CDT until July 22 at 10:00PM CDT by NWS Chicago IL

Jul 21, 4:00 PM → Jul 22, 10:00 PM

WHAT: High wave action and dangerous currents at Lake Michigan
beaches expected.

WHERE: Lake IL, Northern Cook and Central Cook Counties.

WHEN: From this afternoon through Wednesday evening.

IMPACTS: Swimming conditions will be life threatening,
especially for inexperienced swimmers. For information on swim
advisories or bans at Chicago beaches: www. cpdbeaches. com.

+ Read More

Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures.

Updated: Jul 21, 7:14 AM Source: NWS Alert

Hourly Air Quality Forecast - AQI (US EPA)

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Weather Alerts and Warnings for Cicero

Beach Hazards Statement

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