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2026 NWS Jackson/Mississippi Tornado Information

Hazardous Weather Conditions

Heat Advisory in effect from August 21, 11:00 AM CDT until August 21, 08:00 PM CDT

Current conditions at

Hattiesburg, Bobby L Chain Municipal Airport (KHBG)

Lat: 31.27°NLon: 89.26°WElev: 147ft.

Fair

92°F

33°C

Humidity	58%
Wind Speed	Calm
Barometer	30.04 in (1016.7 mb)
Dewpoint	75°F (24°C)
Visibility	10.00 mi
Heat Index	103°F (39°C)
Last update	21 Aug 11:53 am CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Purvis MS

Heat Advisory until August 21, 08:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory until August 21, 08:00pm
NOW until 8:00pm Fri
Heat Advisory
This Afternoon
High: 98 °F
Chance
T-storms
Tonight
Low: 73 °F
Chance
T-storms then
Partly Cloudy
Saturday
High: 98 °F
Hot
Saturday Night
Low: 73 °F
Mostly Clear
Sunday
High: 98 °F
Sunny then
Slight Chance
T-storms
Sunday Night
Low: 74 °F
Slight Chance
Showers
Monday
High: 95 °F
Chance
T-storms
Monday Night
Low: 73 °F
Slight Chance
T-storms

Detailed Forecast

This Afternoon

A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 98. Heat index values as high as 107. Northwest wind around 5 mph.

Tonight

A 30 percent chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 73. Southwest wind around 5 mph becoming calm.

Saturday

Partly sunny, then gradually becoming sunny and hot, with a high near 98. Heat index values as high as 103. Calm wind becoming north around 5 mph in the afternoon.

Saturday Night

Mostly clear, with a low around 73. Calm wind.

Sunday

A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 98. Calm wind becoming north around 5 mph in the afternoon.

Sunday Night

A 20 percent chance of showers before 1am. Mostly clear, with a low around 74. Calm wind.

Monday

A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 95. Calm wind becoming north northwest around 5 mph in the afternoon.

Monday Night

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

Tuesday

A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. Calm wind becoming southwest around 5 mph in the afternoon.

Tuesday Night

Mostly clear, with a low around 72.

Wednesday

A 40 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 72.

Thursday

A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.