Jackson, Mississippi – Dangerous heat will grip central Mississippi Saturday as heat index values soar to 104° in Jackson before storms arrive Sunday. The National Weather Service warns that prolonged outdoor exposure may lead to heat-related illnesses. Residents should limit time outside, hydrate often, and avoid midday activity.
According to the NWS office in Jackson, calm winds and clear skies will amplify the heat Saturday, with highs near 96°F. Conditions stay dry through the day, but that changes late Sunday as a 30% chance of thunderstorms builds after 1 p.m. Storms could briefly cool the area but bring lightning and localized downpours.
I-55 drivers between Jackson and Ridgeland should watch for reduced visibility and slick pavement during storms Sunday and Monday afternoons. Light wind shifts—from northeast Saturday to west Monday—won’t offer much relief from the humidity.
Monday brings another 30% chance of storms after 1 p.m. Highs stay near 95°F through Tuesday before slightly cooler, wetter weather arrives by midweek. The active pattern will likely continue into Wednesday and Thursday.
5-Day Forecast for Jackson, MS (July 5–10)
- Saturday: Sunny, high near 96°F. Heat index up to 104°F.
- Sunday: 30% chance of afternoon storms. High 96°F.
- Monday: 30% chance of storms after 1 p.m. High 95°F.
- Tuesday: 40% chance of storms. High 95°F.
- Wednesday: 50% chance of storms. Slight cooldown to 94°F.
