Jackson, Mississippi Weather:
Active Weather Warnings
Tuesday, September 15, 2026
Sunny with a Chance of Thunderstorms
Day 99°
Night 73°
Precipitation 55 %
Wind 5 mph
UV Index (0 - 11+) 7
Weather Forecast History
Last Year's Weather on This Day (September 15, 2025)
Cloudy Night

Day

90°

Night

68°

Wind

2 mph

Precipitation

25 %

Weather Alerts and Warnings for

Moderate Expected Likely

Heat Advisory

Heat Advisory issued September 14 at 12:57PM CDT until September 15 at 7:00PM CDT by NWS Jackson MS
Sep 15, 11:00 AM Sep 15, 7:00 PM
WHAT: Heat index values up to 110 degrees expected.

WHERE: Portions southeast Arkansas, northeast Louisiana, and
central Mississippi.

WHEN: For the first Heat Advisory, until 7 PM CDT this evening.
For the second Heat Advisory, from 11 AM to 7 PM CDT Tuesday.

IMPACTS: Hot temperatures and high humidity may cause heat related
illnesses.
+ Read More
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.
Updated: Sep 14, 5:45 PM Source: NWS Alert