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

Hattiesburg, Bobby L Chain Municipal Airport (KHBG)

Lat: 31.27°NLon: 89.26°WElev: 147ft.

Mostly Cloudy

92°F

33°C

Humidity 52%
Wind Speed Calm
Barometer 29.90 in (1012.3 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index100°F (38°C)
Last update 31 May 5:53 pm CDT
Extended Forecast for

Mc Lain MS

  • Tonight

    Tonight: A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, with a low around 74. Calm wind. Chance of precipitation is 40%.

    Low: 74 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. Heat index values as high as 105. Calm wind.

    High: 94 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 73. Calm wind.

    Low: 73 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers, then showers and thunderstorms likely after 10am. Mostly sunny, with a high near 92. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 60%.

    High: 92 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, with a low around 69. Calm wind becoming northeast around 5 mph after midnight. Chance of precipitation is 20%.

    Low: 69 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 85. East wind 5 to 10 mph.

    High: 85 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 64. East wind around 5 mph.

    Low: 64 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 85. East wind 5 to 10 mph.

    High: 85 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 64. Southeast wind around 5 mph becoming calm.

    Low: 64 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, with a low around 74. Calm wind. Chance of precipitation is 40%.
Monday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. Heat index values as high as 105. Calm wind.
Monday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 73. Calm wind.
Tuesday
A chance of showers, then showers and thunderstorms likely after 10am. Mostly sunny, with a high near 92. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 60%.
Tuesday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, with a low around 69. Calm wind becoming northeast around 5 mph after midnight. Chance of precipitation is 20%.
Wednesday
Partly sunny, with a high near 85. East wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 64. East wind around 5 mph.
Thursday
Mostly sunny, with a high near 85. East wind 5 to 10 mph.
Thursday Night
Partly cloudy, with a low around 64. Southeast wind around 5 mph becoming calm.
Friday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86.
Friday Night
Mostly cloudy, with a low around 68.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
Saturday Night
Mostly cloudy, with a low around 69.
Sunday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mc Lain MS
 31.06°N 88.79°W (Elev. 59 ft)
Last Update:
6:31 pm CDT May 31, 2026
Forecast Valid:
6pm CDT May 31, 2026-6pm CDT Jun 7, 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