Hourly Weather Forecast for Jonesboro, Arkansas

Hourly Weather | Today › Tuesday, July 21, 2026

Active Weather Warnings

Extreme Heat Warning
Heat Advisory

Jonesboro, Arkansas

9 AM

82°

Feels Like 99°

Humidity: 89%

UV Index: 3

Wind: 6 mph

10 AM

86°

Feels Like 102°

Humidity: 80%

UV Index: 5

Wind: 6 mph

11 AM

90°

Feels Like 108°

Humidity: 68%

UV Index: 7

Wind: 7 mph

12 PM

93°

Feels Like 113°

Humidity: 58%

UV Index: 10

Wind: 7 mph

1 PM

97°

Feels Like 115°

Humidity: 53%

UV Index: 11

Wind: 7 mph

2 PM

99°

Feels Like 115°

Humidity: 50%

UV Index: 10

Wind: 7 mph

3 PM

99°

Feels Like 115°

Humidity: 48%

UV Index: 7

Wind: 7 mph

4 PM

100°

Feels Like 115°

Humidity: 45%

UV Index: 5

Wind: 7 mph

5 PM

99°

Feels Like 111°

Humidity: 50%

UV Index: 3

Wind: 7 mph

6 PM

90°

Feels Like 100°

Humidity: 68%

UV Index: 2

Wind: 7 mph

7 PM

90°

Feels Like 102°

Humidity: 70%

UV Index: 1

Wind: 7 mph

8 PM

88°

Feels Like 99°

Humidity: 73%

UV Index: 0

Wind: 7 mph

9 PM

86°

Feels Like 99°

Humidity: 77%

UV Index: 0

Wind: 6 mph

10 PM

82°

Feels Like 91°

Humidity: 81%

UV Index: 0

Wind: 5 mph

11 PM

82°

Feels Like 91°

Humidity: 83%

UV Index: 0

Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

9 AM

29 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 6.95 µg/m³
PM₁₀: 9 µg/m³
O₃: 0.012 ppm
NO₂: 2.1 ppb
SO₂: 0.2 ppb
CO: 0.15 ppm

Health Recommendations:

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

10 AM

34 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 8.12 µg/m³
PM₁₀: 10.19 µg/m³
O₃: 0.021 ppm
NO₂: 2 ppb
SO₂: 0.2 ppb
CO: 0.15 ppm

Health Recommendations:

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

11 AM

39 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 7.5 µg/m³
PM₁₀: 9.19 µg/m³
O₃: 0.042 ppm
NO₂: 0.7 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

41 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 7.05 µg/m³
PM₁₀: 8.4 µg/m³
O₃: 0.044 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.

1 PM

41 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 6.73 µg/m³
PM₁₀: 7.89 µg/m³
O₃: 0.044 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

40 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 5.7 µg/m³
PM₁₀: 6.7 µg/m³
O₃: 0.043 ppm
NO₂: 0.3 ppb
SO₂: 0.2 ppb
CO: 0.09 ppm

Health Recommendations:

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

3 PM

39 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 5.15 µg/m³
PM₁₀: 6.05 µg/m³
O₃: 0.042 ppm
NO₂: 0.3 ppb
SO₂: 0.2 ppb
CO: 0.09 ppm

Health Recommendations:

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

4 PM

39 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 4.99 µg/m³
PM₁₀: 5.82 µg/m³
O₃: 0.042 ppm
NO₂: 0.3 ppb
SO₂: 0.2 ppb
CO: 0.09 ppm

Health Recommendations:

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

5 PM

38 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 4.94 µg/m³
PM₁₀: 5.75 µg/m³
O₃: 0.042 ppm
NO₂: 0.4 ppb
SO₂: 0.2 ppb
CO: 0.09 ppm

Health Recommendations:

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

6 PM

38 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 4.9 µg/m³
PM₁₀: 5.7 µg/m³
O₃: 0.041 ppm
NO₂: 0.7 ppb
SO₂: 0.1 ppb
CO: 0.10 ppm

Health Recommendations:

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

7 PM

37 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 4.8 µg/m³
PM₁₀: 5.58 µg/m³
O₃: 0.040 ppm
NO₂: 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.

8 PM

31 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 4.89 µg/m³
PM₁₀: 5.68 µg/m³
O₃: 0.034 ppm
NO₂: 1.7 ppb
SO₂: 0.1 ppb
CO: 0.11 ppm

Health Recommendations:

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

9 PM

23 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 5.23 µg/m³
PM₁₀: 6.05 µg/m³
O₃: 0.025 ppm
NO₂: 2.5 ppb
SO₂: 0.1 ppb
CO: 0.12 ppm

Health Recommendations:

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

10 PM

24 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 5.64 µg/m³
PM₁₀: 6.5 µg/m³
O₃: 0.018 ppm
NO₂: 3 ppb
SO₂: 0.1 ppb
CO: 0.13 ppm

Health Recommendations:

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

11 PM

25 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 6.04 µg/m³
PM₁₀: 6.94 µg/m³
O₃: 0.014 ppm
NO₂: 3.3 ppb
SO₂: 0.1 ppb
CO: 0.14 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 Jonesboro

Severe Expected Likely

Extreme Heat Warning

Extreme Heat Warning issued July 20 at 9:56PM CDT until July 21 at 9:00PM CDT by NWS Memphis TN

Jul 20, 9:56 PM → Jul 21, 9:00 PM

WHAT: Dangerously hot conditions with heat index values up to 116.

WHERE: Portions of East Arkansas, North Mississippi, and
Southeast Missouri.

WHEN: Until 9 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. 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: Jul 21, 7:09 AM Source: NWS Alert

Moderate Expected Likely

Heat Advisory

Heat Advisory issued July 19 at 8:57PM CDT until July 21 at 9:00PM CDT by NWS Memphis TN

Jul 20, 10:00 AM → Jul 21, 9:00 PM

WHAT: Heat index values up to 114 expected.

WHERE: Portions of East Arkansas, North Mississippi, Southeast
Missouri, and West Tennessee.

WHEN: From 10 AM Monday to 9 PM CDT Tuesday.

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

+ Read More

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.

Updated: Jul 19, 10:08 PM Source: NWS Alert

Hourly Air Quality Forecast - AQI (US EPA)

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Weather Alerts and Warnings for Jonesboro

Extreme Heat Warning

Heat Advisory

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