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2026 NWS Jackson/Mississippi Tornado Information

Hazardous Weather Conditions

Heat Advisory in effect from August 20, 11:00 AM CDT until August 20, 08:00 PM CDT

Current conditions at

Greenville, Mid Delta Regional Airport (KGLH)

Lat: 33.48°NLon: 90.99°WElev: 131ft.

Fair

96°F

36°C

Humidity	49%
Wind Speed	W 8 mph
Barometer	29.98 in (1015.6 mb)
Dewpoint	74°F (23°C)
Visibility	10.00 mi
Heat Index	107°F (42°C)
Last update	20 Aug 11:53 am CDT

More Information:

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

Extended Forecast for

4 Miles SSE Jennie AR

Heat Advisory until August 20, 08:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory until August 20, 08:00pm
NOW until 8:00pm Thu
Heat Advisory
This Afternoon
High: 100 °F
Hot
Tonight
Low: 74 °F
Chance
T-storms then
Mostly Cloudy
Friday
High: 99 °F
Hot
Friday Night
Low: 72 °F
Mostly Clear
Saturday
High: 99 °F
Hot
Saturday Night
Low: 73 °F
Slight Chance
T-storms then
Slight Chance
Showers
Sunday
High: 97 °F
Hot
Sunday Night
Low: 74 °F
Slight Chance
T-storms

Detailed Forecast

This Afternoon

Sunny and hot, with a high near 100. Heat index values as high as 108. Southwest wind around 5 mph.

Tonight

A 40 percent chance of showers and thunderstorms before 10pm. Increasing clouds, with a low around 74. West northwest wind around 5 mph becoming calm.

Friday

Sunny and hot, with a high near 99. Heat index values as high as 107. Calm wind becoming north around 5 mph in the afternoon.

Friday Night

Mostly clear, with a low around 72. North northeast wind around 5 mph becoming calm in the evening.

Saturday

Sunny and hot, with a high near 99. Calm wind becoming north northeast around 5 mph.

Saturday Night

A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 73. South southeast wind around 5 mph becoming calm. Chance of precipitation is 20%.

Sunday

Sunny and hot, with a high near 97. Calm wind becoming north northeast around 5 mph in the afternoon.

Sunday Night

A slight chance of showers and thunderstorms. Mostly clear, with a low around 74. East wind around 5 mph. Chance of precipitation is 20%.

Monday

A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 95. Southeast wind around 5 mph. Chance of precipitation is 20%.

Monday Night

A 20 percent chance of showers after 1am. Mostly clear, with a low around 73.

Tuesday

Mostly sunny and hot, with a high near 97.

Tuesday Night

Mostly clear, with a low around 74.

Wednesday

A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 97.