Today | Weather | Monday, July 20, 2026

Active Weather Warnings

Heat Advisory

Weather in Jackson, Tennessee

04:19 PM

Now

91° F

Feels Like 106°

Precipitation 18 %

Wind 6 mph

UV Index (0 - 11+) 4

Humidity 61 %

Today

Day 91°

Night 75°

Precipitation 55 %

Wind 2 mph

UV Index (0 - 11+) 11

Warning: Extreme UV Index Today: 11

Overexposure to the sun's harmful UV rays can cause sunburn and increase the risk of developing skin cancer, including melanoma. Protect yourself by wearing clothing that covers your skin, sunglasses, and a hat. Apply a broad-spectrum sunscreen with an SPF of 30 or higher every two hours, even on cloudy days. Minimize direct sun exposure during peak hours (10 AM to 4 PM) to reduce the risk.

Jackson Weather Forecast Updated

17 minutes ago

Last updated on July 20, 2026 at 4:02 PM

Air Quality in Jackson

NOW

40 AQI

Good air quality Dominant pollutant: O₃

Pollutant Concentrations:

PM_2.5 4.78 µg/m³

PM₁₀ 5.54 µg/m³

O₃ 0.043 ppm

NO₂ 0.5 ppb

SO₂ 0.4 ppb

CO 0.08 ppm

NH₃ 0.46 µg/m³

NO 0.12 µg/m³

PM_2.5 – Fine particles <2.5μm

PM₁₀ – Inhalable particles <10μm

O₃ – Ozone

NO₂ – Nitrogen dioxide

SO₂ – Sulfur dioxide

CO – Carbon monoxide

NH₃ – Ammonia

NO – Nitric oxide

Health Recommendations:

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

Show raw pollutant concentrations (µg/m³)

PM_2.5 – 4.78 µg/m³

PM₁₀ – 5.54 µg/m³

O₃ – 84.53 µg/m³

NO₂ – 0.85 µg/m³

SO₂ – 0.96 µg/m³

CO – 96.37 µg/m³

NH₃ – 0.46 µg/m³

NO – 0.12 µg/m³

View Hourly Air Quality Forecast

Weather Alerts and Warnings for Jackson

Moderate Expected Likely

Heat Advisory

Heat Advisory issued July 20 at 12:32PM CDT until July 21 at 9:00PM CDT by NWS Memphis TN

Jul 20, 12:32 PM → Jul 21, 9:00 PM

WHAT: Heat index values up to 110.

WHERE: Portions of North Mississippi and West Tennessee.

WHEN: Until 9 PM CDT Tuesday.

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. 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 20, 4:02 PM Source: NWS Alert