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2026 NWS Jackson/Mississippi Tornado Information

Hazardous Weather Conditions

Current conditions at

Jackson, Jackson International Airport (KJAN)

Lat: 32.32°NLon: 90.08°WElev: 344ft.

Partly Cloudy

97°F

36°C

Humidity	49%
Wind Speed	N 6 mph
Barometer	30.01 in (1015.6 mb)
Dewpoint	75°F (24°C)
Visibility	10.00 mi
Heat Index	109°F (43°C)
Last update	20 Aug 12:54 pm CDT

More Information:

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

Extended Forecast for

5 Miles SE Lena MS

Heat Advisory August 21, 11:00am until August 21, 08:00pm

Heat Advisory August 20, 01:00pm until August 20, 08:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory August 20, 01:00pm until August 20, 08:00pm
NOW until 8:00pm Thu
Heat Advisory
This Afternoon
High: 101 °F
Slight Chance
Showers
Tonight
Low: 73 °F
Chance
T-storms then
Mostly Cloudy
Friday
High: 99 °F
Sunny then
Slight Chance
T-storms
Friday Night
Low: 70 °F
Slight Chance
Showers then
Mostly Clear
Saturday
High: 100 °F
Hot
Saturday Night
Low: 71 °F
Mostly Clear
Sunday
High: 98 °F
Hot
Sunday Night
Low: 71 °F
Partly Cloudy
then Slight
Chance
Showers

Detailed Forecast

This Afternoon

A 20 percent chance of showers after 4pm. Sunny and hot, with a high near 101. Heat index values as high as 109. West wind around 5 mph.

Tonight

A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 11pm. Mostly cloudy, with a low around 73. South southwest wind around 5 mph becoming calm. Chance of precipitation is 40%.

Friday

A 20 percent chance of showers and thunderstorms after 3pm. Sunny and hot, with a high near 99. Heat index values as high as 108. Calm wind becoming west northwest around 5 mph in the afternoon.

Friday Night

A 10 percent chance of showers before 7pm. Mostly clear, with a low around 70. West northwest wind around 5 mph becoming calm.

Saturday

Sunny and hot, with a high near 100. Calm wind becoming north around 5 mph.

Saturday Night

Mostly clear, with a low around 71. Calm wind.

Sunday

Mostly sunny and hot, with a high near 98. Calm wind becoming north northwest around 5 mph.

Sunday Night

A 20 percent chance of showers after 1am. 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 north around 5 mph. Chance of precipitation is 30%.

Monday Night

Partly cloudy, with a low around 71.

Tuesday

A 20 percent chance of showers and thunderstorms. Sunny, with a high near 96.

Tuesday Night

Mostly clear, with a low around 72.

Wednesday

A 30 percent chance of showers and thunderstorms. Sunny and hot, with a high near 97.