Expires:202607221600;;399341 FPUS54 KJAN 220824 ZFPJAN Zone Forecast Product for Central Mississippi, Northeast Louisiana, and Southeast Arkansas National Weather Service Jackson MS 321 AM CDT Wed Jul 22 2026 MSZ072-221600- Marion- Including the city of Columbia 321 AM CDT Wed Jul 22 2026 ...EXTREME HEAT WARNING IN EFFECT FROM 10 AM THIS MORNING TO 7 PM CDT THIS EVENING... .TODAY...Sunny early this morning, then becoming mostly sunny. A slight chance of showers and thunderstorms this afternoon. Humid with highs in the upper 90s. North winds around 5 mph, becoming northeast 10 to 15 mph with gusts up to 25 mph. Chance of rain 20 percent. Heat index values up to 111. .TONIGHT...Partly cloudy. A chance of showers and thunderstorms in the evening, then a slight chance of showers after midnight. Humid with lows in the upper 70s. East winds 5 to 10 mph. Chance of rain 40 percent. Heat index values up to 106 early in the evening. .THURSDAY...Mostly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Humid with highs in the lower 90s. Southeast winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 50 percent. Heat index values up to 107. .THURSDAY NIGHT...Mostly clear with a chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Humid with lows in the mid 70s. South winds 5 to 10 mph. Chance of rain 50 percent. .FRIDAY...Mostly sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs in the mid 90s. Southwest winds around 5 mph. Chance of rain 40 percent. Heat index values up to 107. .FRIDAY NIGHT THROUGH SATURDAY NIGHT...Partly cloudy. Lows in the mid 70s. Highs in the upper 90s. Heat index values up to 105. .SUNDAY THROUGH TUESDAY...Mostly clear. Hot. Highs around 100. Lows in the upper 70s. Heat index values up to 115. $$