National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Hattiesburg/Laurel, Hattiesburg-Laurel Regional Airport (KPIB)

Lat: 31.47°NLon: 89.33°WElev: 299ft.

86°F

30°C

Humidity 75%
Wind Speed Calm
Barometer 30.07 in (1017.8 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index97°F (36°C)
Last update 21 Aug 9:56 am CDT
Extended Forecast for

4 Miles SSE Waynesboro MS

Heat Advisory August 21, 11:00am until August 21, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 97. Heat index values as high as 107. Calm wind becoming west around 5 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 97 °F

    Sunny then
    Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 10pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 72. Calm wind.

    Low: 72 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: Sunny and hot, with a high near 98. Heat index values as high as 105. Calm wind becoming north around 5 mph in the afternoon.

    High: 98 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 71. Calm wind.

    Low: 71 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 98. Calm wind becoming northeast around 5 mph.

    High: 98 °F

    Sunny then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Partly Cloudy

  • Monday

    Monday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 95. Calm wind becoming west around 5 mph. Chance of precipitation is 30%.

    High: 95 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. Calm wind becoming west around 5 mph. Chance of precipitation is 30%.

    High: 94 °F

    Slight Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 97. Heat index values as high as 107. Calm wind becoming west around 5 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A 20 percent chance of showers and thunderstorms before 10pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 72. Calm wind.
Saturday
Sunny and hot, with a high near 98. Heat index values as high as 105. Calm wind becoming north around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 71. Calm wind.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 98. Calm wind becoming northeast around 5 mph.
Sunday Night
Partly cloudy, with a low around 71. Calm wind.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 95. Calm wind becoming west around 5 mph. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 71. Calm wind.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. Calm wind becoming west around 5 mph. Chance of precipitation is 30%.
Tuesday Night
Mostly clear, with a low around 71.
Wednesday
A 50 percent chance of showers and thunderstorms. Sunny, with a high near 94.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 71.
Thursday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Waynesboro MS
 31.62°N 88.6°W (Elev. 121 ft)
Last Update:
5:16 am CDT Aug 21, 2026
Forecast Valid:
10am CDT Aug 21, 2026-6pm CDT Aug 27, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation