Expires:202607260800;;605916 FPUS54 KJAN 260029 ZFPJAN Zone Forecast Product for Central Mississippi, Northeast Louisiana, and Southeast Arkansas National Weather Service Jackson MS 726 PM CDT Sat Jul 25 2026 MSZ059-260800- Jefferson- Including the city of Fayette 726 PM CDT Sat Jul 25 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 9 PM CDT SUNDAY... .TONIGHT...Partly cloudy this evening, then clearing. Lows in the mid 70s. Southwest winds around 5 mph. .SUNDAY...Mostly sunny. Highs in the mid 90s. West winds around 5 mph. Heat index values up to 106. .SUNDAY NIGHT...Partly cloudy. Lows in the mid 70s. Southwest winds around 5 mph. .MONDAY...Mostly sunny. Humid with highs in the mid 90s. West winds around 5 mph. Heat index values up to 109. .MONDAY NIGHT...Mostly clear. Lows in the mid 70s. Southwest winds around 5 mph. Heat index values up to 105 early in the evening. .TUESDAY AND TUESDAY NIGHT...Mostly clear. Highs in the upper 90s. Lows in the upper 70s. Heat index values up to 110. .WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. Highs in the upper 90s. Lows in the mid 70s. Heat index values up to 110. .THURSDAY...Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 30 percent. Heat index values up to 105. .THURSDAY NIGHT THROUGH FRIDAY NIGHT...Partly cloudy. Lows in the mid 70s. Highs in the mid 90s. .SATURDAY...Mostly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 40 percent. $$