Hourly Weather Forecast for Evansville, Indiana

Hourly Weather | Today › Saturday, September 19, 2026

Active Weather Warnings

Heat Advisory

Evansville, Indiana

4 PM

97°

Feels Like 99°

Humidity: 34%

UV Index: 3

Wind: 7 mph

5 PM

93°

Feels Like 93°

Humidity: 38%

UV Index: 2

Wind: 8 mph

6 PM

90°

Feels Like 88°

Humidity: 45%

UV Index: 1

Wind: 7 mph

7 PM

88°

Feels Like 88°

Humidity: 50%

UV Index: 0

Wind: 5 mph

8 PM

84°

Feels Like 84°

Humidity: 52%

UV Index: 0

Wind: 6 mph

9 PM

81°

Feels Like 82°

Humidity: 59%

UV Index: 0

Wind: 5 mph

10 PM

79°

Feels Like 81°

Humidity: 66%

UV Index: 0

Wind: 5 mph

11 PM

77°

Feels Like 79°

Humidity: 70%

UV Index: 0

Wind: 4 mph

Hourly Air Quality Forecast - AQI (US EPA)

4 PM

72 AQI

Moderate air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 8.96 µg/m³
PM₁₀: 10.12 µg/m³
O₃: 0.061 ppm
NO₂: 0.4 ppb
SO₂: 0.6 ppb
CO: 0.12 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

5 PM

53 AQI

Moderate air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 9.03 µg/m³
PM₁₀: 10.3 µg/m³
O₃: 0.055 ppm
NO₂: 0.9 ppb
SO₂: 0.6 ppb
CO: 0.12 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

6 PM

43 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 9.35 µg/m³
PM₁₀: 10.9 µg/m³
O₃: 0.047 ppm
NO₂: 2 ppb
SO₂: 0.5 ppb
CO: 0.13 ppm

Health Recommendations:

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

7 PM

41 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 9.79 µg/m³
PM₁₀: 11.66 µg/m³
O₃: 0.040 ppm
NO₂: 2.9 ppb
SO₂: 0.5 ppb
CO: 0.14 ppm

Health Recommendations:

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

8 PM

42 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 10.15 µg/m³
PM₁₀: 12.23 µg/m³
O₃: 0.035 ppm
NO₂: 3.2 ppb
SO₂: 0.4 ppb
CO: 0.15 ppm

Health Recommendations:

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

9 PM

44 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 10.56 µg/m³
PM₁₀: 12.81 µg/m³
O₃: 0.032 ppm
NO₂: 3.1 ppb
SO₂: 0.4 ppb
CO: 0.15 ppm

Health Recommendations:

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

10 PM

46 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 11.05 µg/m³
PM₁₀: 13.41 µg/m³
O₃: 0.030 ppm
NO₂: 3 ppb
SO₂: 0.3 ppb
CO: 0.16 ppm

Health Recommendations:

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

11 PM

48 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 11.46 µg/m³
PM₁₀: 13.81 µg/m³
O₃: 0.027 ppm
NO₂: 2.9 ppb
SO₂: 0.3 ppb
CO: 0.16 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

Moderate Expected Likely

Heat Advisory

Heat Advisory issued September 19 at 10:19AM CDT until September 20 at 7:00PM CDT by NWS Paducah KY

Sep 19, 10:19 AM → Sep 20, 7:00 PM

WHAT: Peak Heat Index values up to around 100 degrees this
weekend.

WHERE: All of southern Illinois, southwest Indiana, western
Kentucky, and southeast Missouri.

WHEN: Until 7 PM CDT /8 PM EDT/ Sunday.

IMPACTS: Hot temperatures and high humidity may cause heat
illnesses.

ADDITIONAL DETAILS: The Heat Advisory was extended thru the
weekend due to the prolonged high heat conditions that have
basically been ongoing for the entirety of the past week; this
continues to heighten the risk of heat-related health impacts.

+ Read More

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.

Updated: Sep 19, 3:28 PM Source: NWS Alert

Hourly Air Quality Forecast - AQI (US EPA)

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Weather Alerts and Warnings for Evansville

Heat Advisory

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