Hourly Weather Forecast for Madison, Alabama

Hourly Weather | Today › Wednesday, August 12, 2026

Active Weather Warnings

Heat Advisory

Madison, Alabama

7 AM

77°

Feels Like 86°

Humidity: 93%

UV Index: 1

Wind: 4 mph

8 AM

79°

Feels Like 90°

Humidity: 86%

UV Index: 2

Wind: 4 mph

9 AM

82°

Feels Like 93°

Humidity: 80%

UV Index: 3

Wind: 6 mph

10 AM

84°

Feels Like 97°

Humidity: 73%

UV Index: 4

Wind: 8 mph

11 AM

88°

Feels Like 100°

Humidity: 67%

UV Index: 7

Wind: 8 mph

12 PM

90°

Feels Like 102°

Humidity: 62%

UV Index: 9

Wind: 9 mph

1 PM

90°

Feels Like 104°

Humidity: 59%

UV Index: 9

Wind: 9 mph

2 PM

91°

Feels Like 102°

Humidity: 56%

UV Index: 6

Wind: 9 mph

3 PM

93°

Feels Like 102°

Humidity: 54%

UV Index: 4

Wind: 9 mph

4 PM

91°

Feels Like 99°

Humidity: 55%

UV Index: 2

Wind: 8 mph

5 PM

90°

Feels Like 97°

Humidity: 58%

UV Index: 1

Wind: 8 mph

6 PM

86°

Feels Like 91°

Humidity: 73%

UV Index: 1

Wind: 8 mph

7 PM

84°

Feels Like 90°

Humidity: 71%

UV Index: 0

Wind: 7 mph

8 PM

81°

Feels Like 88°

Humidity: 78%

UV Index: 0

Wind: 6 mph

9 PM

79°

Feels Like 86°

Humidity: 83%

UV Index: 0

Wind: 4 mph

10 PM

77°

Feels Like 81°

Humidity: 86%

UV Index: 0

Wind: 4 mph

11 PM

77°

Feels Like 82°

Humidity: 89%

UV Index: 0

Wind: 4 mph

Hourly Air Quality Forecast - AQI (US EPA)

7 AM

8 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 1.9 µg/m³
PM₁₀: 2.66 µg/m³
O₃: 0.007 ppm
NO₂: 1.1 ppb
SO₂: 0.1 ppb
CO: 0.09 ppm

Health Recommendations:

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

8 AM

8 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 2.04 µg/m³
PM₁₀: 3.01 µg/m³
O₃: 0.007 ppm
NO₂: 1.2 ppb
SO₂: 0.1 ppb
CO: 0.09 ppm

Health Recommendations:

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

9 AM

9 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 2.19 µg/m³
PM₁₀: 3.38 µg/m³
O₃: 0.009 ppm
NO₂: 1.1 ppb
SO₂: 0.1 ppb
CO: 0.10 ppm

Health Recommendations:

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

10 AM

15 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 2.53 µg/m³
PM₁₀: 3.88 µg/m³
O₃: 0.017 ppm
NO₂: 1.1 ppb
SO₂: 0.2 ppb
CO: 0.10 ppm

Health Recommendations:

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

11 AM

28 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 3.05 µg/m³
PM₁₀: 4.14 µg/m³
O₃: 0.030 ppm
NO₂: 0.7 ppb
SO₂: 0.6 ppb
CO: 0.09 ppm

Health Recommendations:

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

12 PM

31 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 3.28 µg/m³
PM₁₀: 4.16 µg/m³
O₃: 0.033 ppm
NO₂: 0.7 ppb
SO₂: 0.7 ppb
CO: 0.09 ppm

Health Recommendations:

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

1 PM

31 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 3.33 µg/m³
PM₁₀: 4.07 µg/m³
O₃: 0.034 ppm
NO₂: 0.7 ppb
SO₂: 0.7 ppb
CO: 0.09 ppm

Health Recommendations:

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

2 PM

31 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 3.04 µg/m³
PM₁₀: 3.65 µg/m³
O₃: 0.033 ppm
NO₂: 0.7 ppb
SO₂: 0.6 ppb
CO: 0.09 ppm

Health Recommendations:

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

3 PM

31 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 2.96 µg/m³
PM₁₀: 3.49 µg/m³
O₃: 0.033 ppm
NO₂: 0.6 ppb
SO₂: 0.5 ppb
CO: 0.09 ppm

Health Recommendations:

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

4 PM

31 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 2.97 µg/m³
PM₁₀: 3.47 µg/m³
O₃: 0.034 ppm
NO₂: 0.6 ppb
SO₂: 0.5 ppb
CO: 0.09 ppm

Health Recommendations:

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

5 PM

30 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 3.02 µg/m³
PM₁₀: 3.56 µg/m³
O₃: 0.032 ppm
NO₂: 1 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

27 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 3.06 µg/m³
PM₁₀: 3.69 µg/m³
O₃: 0.029 ppm
NO₂: 1.6 ppb
SO₂: 0.3 ppb
CO: 0.10 ppm

Health Recommendations:

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

7 PM

24 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 2.98 µg/m³
PM₁₀: 3.71 µg/m³
O₃: 0.026 ppm
NO₂: 2.1 ppb
SO₂: 0.3 ppb
CO: 0.10 ppm

Health Recommendations:

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

8 PM

20 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 2.86 µg/m³
PM₁₀: 3.73 µg/m³
O₃: 0.021 ppm
NO₂: 2.6 ppb
SO₂: 0.2 ppb
CO: 0.11 ppm

Health Recommendations:

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

9 PM

15 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 2.78 µg/m³
PM₁₀: 3.83 µg/m³
O₃: 0.017 ppm
NO₂: 2.8 ppb
SO₂: 0.1 ppb
CO: 0.11 ppm

Health Recommendations:

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

10 PM

12 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 2.68 µg/m³
PM₁₀: 3.86 µg/m³
O₃: 0.013 ppm
NO₂: 2.8 ppb
SO₂: 0.1 ppb
CO: 0.11 ppm

Health Recommendations:

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

11 PM

10 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 2.51 µg/m³
PM₁₀: 3.76 µg/m³
O₃: 0.011 ppm
NO₂: 2.8 ppb
SO₂: 0.1 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 Madison

Moderate Expected Likely

Heat Advisory

Heat Advisory issued August 12 at 12:55AM CDT until August 14 at 7:00PM CDT by NWS Huntsville AL

Aug 12, 1:00 PM → Aug 14, 7:00 PM

WHAT: Heat index values up to 108 expected.

WHERE: All counties in northern Alabama and southern middle
Tennessee.

WHEN: From 1 PM this afternoon to 7 PM CDT Friday.

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

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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: Aug 12, 6:39 AM Source: NWS Alert

Hourly Air Quality Forecast - AQI (US EPA)

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Weather Alerts and Warnings for Madison

Heat Advisory

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