Hourly Weather | Today Monday, June 29, 2026
Active Weather Warnings
Hattiesburg, Mississippi
11 PM
Cloudy Night
82°
Feels Like 91°
0
Humidity: 81%
UV Index: 0
Wind: 4 mph

Hourly Air Quality Forecast - AQI (US EPA)

11 PM
19 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.78 µg/m³
  • PM10: 3.37 µg/m³
  • O3: 0.020 ppm
  • NO2: 2.2 ppb
  • SO2: 0.4 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

Weather Alerts and Warnings for Hattiesburg

Moderate Expected Likely

Heat Advisory

Heat Advisory issued June 29 at 12:16PM CDT until June 30 at 9:00PM CDT by NWS Jackson MS
Jun 29, 12:16 PM Jun 30, 9:00 PM
WHAT: Heat index values up to 110 degrees.

WHERE: Portions of southeast Arkansas, northeast Louisiana, and
central, north central, northwest, south central, southeast,
southwest, and west central Mississippi.

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. 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. 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. Monitor the latest forecasts and warnings for updates.
Updated: Jun 29, 9:21 PM Source: NWS Alert