Today | Weather | Monday, July 20, 2026

Active Weather Warnings

Extreme Heat Warning

Weather in Little Rock, Arkansas

12:31 AM

Now

82° F

Feels Like 90°

Precipitation 0 %

Wind 6 mph

Humidity 74 %

Today

Day 99°

Night 79°

Precipitation 55 %

Wind 6 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.

Little Rock Weather Forecast Updated

6 minutes ago

Last updated on July 20, 2026 at 12:25 AM

Weather Forecast History

Last Year's Weather on This Day (July 20, 2025)

Day

97°

Night

79°

Wind

7 mph

Precipitation

6 %

Air Quality in Little Rock

NOW

12 AQI

Good air quality Dominant pollutant: PM_2.5

Pollutant Concentrations:

PM_2.5 2.99 µg/m³

PM₁₀ 5.7 µg/m³

O₃ 0.007 ppm

NO₂ 1.5 ppb

SO₂ 0.1 ppb

CO 0.07 ppm

NH₃ 2.86 µg/m³

NO 0.01 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 – 2.99 µg/m³

PM₁₀ – 5.7 µg/m³

O₃ – 13 µg/m³

NO₂ – 2.89 µg/m³

SO₂ – 0.14 µg/m³

CO – 82.77 µg/m³

NH₃ – 2.86 µg/m³

NO – 0.01 µg/m³

View Hourly Air Quality Forecast

Weather Alerts and Warnings for Little Rock

Severe Expected Likely

Extreme Heat Warning

Extreme Heat Warning issued July 19 at 11:25PM CDT until July 21 at 9:00PM CDT by NWS Little Rock AR

Jul 20, 10:00 AM → Jul 21, 9:00 PM

WHAT: Dangerously hot conditions with heat index values up to 115
expected.

WHERE: Portions of central, eastern, north central, and southeast
Arkansas.

WHEN: From 10 AM Monday to 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. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. 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, 12:25 AM Source: NWS Alert