Hourly Weather Forecast for Evansville, Indiana

Hourly Weather | Today › Tuesday, July 21, 2026

Active Weather Warnings

Extreme Heat Warning

Evansville, Indiana

3 AM

79°

Feels Like 84°

Humidity: 86%

UV Index: 0

Wind: 5 mph

4 AM

79°

Feels Like 84°

Humidity: 88%

UV Index: 0

Wind: 5 mph

5 AM

79°

Feels Like 86°

Humidity: 87%

UV Index: 0

Wind: 5 mph

6 AM

79°

Feels Like 86°

Humidity: 89%

UV Index: 0

Wind: 6 mph

7 AM

81°

Feels Like 90°

Humidity: 88%

UV Index: 1

Wind: 6 mph

8 AM

82°

Feels Like 93°

Humidity: 83%

UV Index: 2

Wind: 7 mph

9 AM

84°

Feels Like 97°

Humidity: 78%

UV Index: 3

Wind: 8 mph

10 AM

82°

Feels Like 93°

Humidity: 86%

UV Index: 4

Wind: 9 mph

11 AM

84°

Feels Like 100°

Humidity: 74%

UV Index: 7

Wind: 9 mph

12 PM

88°

Feels Like 102°

Humidity: 67%

UV Index: 10

Wind: 9 mph

1 PM

90°

Feels Like 106°

Humidity: 65%

UV Index: 11

Wind: 9 mph

2 PM

91°

Feels Like 108°

Humidity: 64%

UV Index: 10

Wind: 9 mph

3 PM

91°

Feels Like 108°

Humidity: 62%

UV Index: 7

Wind: 9 mph

4 PM

90°

Feels Like 104°

Humidity: 65%

UV Index: 5

Wind: 9 mph

5 PM

88°

Feels Like 100°

Humidity: 75%

UV Index: 3

Wind: 9 mph

6 PM

88°

Feels Like 99°

Humidity: 71%

UV Index: 2

Wind: 8 mph

7 PM

84°

Feels Like 93°

Humidity: 73%

UV Index: 1

Wind: 7 mph

8 PM

82°

Feels Like 88°

Humidity: 76%

UV Index: 0

Wind: 6 mph

9 PM

81°

Feels Like 86°

Humidity: 74%

UV Index: 0

Wind: 7 mph

10 PM

79°

Feels Like 82°

Humidity: 77%

UV Index: 0

Wind: 6 mph

11 PM

75°

Feels Like 79°

Humidity: 83%

UV Index: 0

Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

3 AM

32 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 7.66 µg/m³
PM₁₀: 9 µg/m³
O₃: 0.009 ppm
NO₂: 2 ppb
SO₂: 0.1 ppb
CO: 0.11 ppm

Health Recommendations:

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

4 AM

32 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 7.61 µg/m³
PM₁₀: 8.88 µg/m³
O₃: 0.010 ppm
NO₂: 1.8 ppb
SO₂: 0.2 ppb
CO: 0.11 ppm

Health Recommendations:

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

5 AM

31 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 7.52 µg/m³
PM₁₀: 8.65 µg/m³
O₃: 0.013 ppm
NO₂: 1.6 ppb
SO₂: 0.2 ppb
CO: 0.11 ppm

Health Recommendations:

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

6 AM

30 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 7.29 µg/m³
PM₁₀: 8.33 µg/m³
O₃: 0.013 ppm
NO₂: 1.5 ppb
SO₂: 0.2 ppb
CO: 0.11 ppm

Health Recommendations:

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

7 AM

29 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 6.86 µg/m³
PM₁₀: 7.81 µg/m³
O₃: 0.014 ppm
NO₂: 1.6 ppb
SO₂: 0.2 ppb
CO: 0.11 ppm

Health Recommendations:

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

8 AM

26 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 6.3 µg/m³
PM₁₀: 7.16 µg/m³
O₃: 0.014 ppm
NO₂: 2 ppb
SO₂: 0.2 ppb
CO: 0.11 ppm

Health Recommendations:

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

9 AM

24 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 5.79 µg/m³
PM₁₀: 6.62 µg/m³
O₃: 0.015 ppm
NO₂: 2.1 ppb
SO₂: 0.2 ppb
CO: 0.11 ppm

Health Recommendations:

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

10 AM

23 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 5.51 µg/m³
PM₁₀: 6.29 µg/m³
O₃: 0.019 ppm
NO₂: 1.8 ppb
SO₂: 0.2 ppb
CO: 0.11 ppm

Health Recommendations:

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

11 AM

31 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 5.5 µg/m³
PM₁₀: 6.24 µg/m³
O₃: 0.034 ppm
NO₂: 0.8 ppb
SO₂: 0.5 ppb
CO: 0.10 ppm

Health Recommendations:

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

12 PM

35 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 5.16 µg/m³
PM₁₀: 5.88 µg/m³
O₃: 0.037 ppm
NO₂: 0.5 ppb
SO₂: 0.5 ppb
CO: 0.09 ppm

Health Recommendations:

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

1 PM

36 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 5.01 µg/m³
PM₁₀: 5.7 µg/m³
O₃: 0.039 ppm
NO₂: 0.4 ppb
SO₂: 0.5 ppb
CO: 0.09 ppm

Health Recommendations:

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

2 PM

37 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 4.37 µg/m³
PM₁₀: 5.01 µg/m³
O₃: 0.040 ppm
NO₂: 0.4 ppb
SO₂: 0.4 ppb
CO: 0.09 ppm

Health Recommendations:

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

3 PM

36 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 4.02 µg/m³
PM₁₀: 4.63 µg/m³
O₃: 0.039 ppm
NO₂: 0.4 ppb
SO₂: 0.4 ppb
CO: 0.09 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: 4.06 µg/m³
PM₁₀: 4.65 µg/m³
O₃: 0.039 ppm
NO₂: 0.5 ppb
SO₂: 0.4 ppb
CO: 0.09 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: 4.21 µg/m³
PM₁₀: 4.76 µg/m³
O₃: 0.038 ppm
NO₂: 0.8 ppb
SO₂: 0.4 ppb
CO: 0.09 ppm

Health Recommendations:

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

6 PM

33 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 4.4 µg/m³
PM₁₀: 4.95 µg/m³
O₃: 0.036 ppm
NO₂: 1.2 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

32 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 4.45 µg/m³
PM₁₀: 5.01 µg/m³
O₃: 0.034 ppm
NO₂: 1.5 ppb
SO₂: 0.5 ppb
CO: 0.10 ppm

Health Recommendations:

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

8 PM

29 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 4.44 µg/m³
PM₁₀: 5.03 µg/m³
O₃: 0.031 ppm
NO₂: 1.8 ppb
SO₂: 0.5 ppb
CO: 0.10 ppm

Health Recommendations:

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

9 PM

26 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 4.48 µg/m³
PM₁₀: 5.19 µg/m³
O₃: 0.028 ppm
NO₂: 2 ppb
SO₂: 0.4 ppb
CO: 0.10 ppm

Health Recommendations:

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

10 PM

23 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 4.55 µg/m³
PM₁₀: 5.38 µg/m³
O₃: 0.025 ppm
NO₂: 2.1 ppb
SO₂: 0.4 ppb
CO: 0.11 ppm

Health Recommendations:

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

11 PM

20 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 4.6 µg/m³
PM₁₀: 5.48 µg/m³
O₃: 0.021 ppm
NO₂: 2.3 ppb
SO₂: 0.4 ppb
CO: 0.11 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 Evansville

Severe Expected Likely

Extreme Heat Warning

Extreme Heat Warning issued July 20 at 11:24PM CDT until July 21 at 7:00PM CDT by NWS Paducah KY

Jul 21, 11:00 AM → Jul 21, 7:00 PM

WHAT: Dangerously hot conditions with heat index values of 110 to
116 expected.

WHERE: In Illinois, White County. In Indiana, Posey, Spencer,
Vanderburgh, and Warrick Counties. In Kentucky, Daviess, Henderson,
and McLean Counties.

WHEN: From 11 AM to 7 PM CDT Tuesday.

IMPACTS: Heat related illnesses increase significantly during
extreme heat and high humidity events.

+ Read More

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

Updated: Jul 21, 1:45 AM Source: NWS Alert

Hourly Air Quality Forecast - AQI (US EPA)

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Weather Alerts and Warnings for Evansville

Extreme Heat Warning

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