FPUS52 KJAX ZFPJAX ZONE FORECAST PRODUCT FOR NORTHEAST FLORIDA AND SOUTHEAST GEORGIA NATIONAL WEATHER SERVICE JACKSONVILLE FL Eastern Alachua- Including the cities of Gainesville, Gainesville Airport, and Newnans Lake 222 PM EDT Fri Sep 4 2026 .THIS AFTERNOON...Showers and thunderstorms. Some thunderstorms may produce heavy rainfall. Highs around 90. Southwest winds 5 to 10 mph. Chance of rain 80 percent. .TONIGHT...Mostly cloudy. Showers and thunderstorms likely in the evening. Some thunderstorms may produce heavy rainfall in the evening. Lows in the mid 70s. Southeast winds around 5 mph in the evening, becoming light and variable. Chance of rain 70 percent. .SATURDAY...Partly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Southwest winds 5 to 10 mph. Chance of rain 50 percent. Heat index values up to 106. .SATURDAY NIGHT...Partly cloudy with a chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows in the mid 70s. Southwest winds around 5 mph. Chance of rain 50 percent. .SUNDAY...Mostly sunny. A slight chance of showers in the morning, then showers and thunderstorms likely in the afternoon. Highs in the lower 90s. West winds 5 to 10 mph. Chance of rain 70 percent. Heat index values up to 106. .SUNDAY NIGHT...Mostly cloudy. Showers and thunderstorms likely in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Lows in the mid 70s. Chance of rain 70 percent. .LABOR DAY AND MONDAY NIGHT...Mostly cloudy with showers and thunderstorms. Highs around 90. Lows in the lower 70s. Chance of rain 90 percent. .TUESDAY AND TUESDAY NIGHT...Mostly cloudy. Showers and thunderstorms likely. Highs around 90. Lows in the mid 70s. Chance of rain 70 percent. .WEDNESDAY AND WEDNESDAY NIGHT...Mostly cloudy. Showers likely with a chance of thunderstorms. Highs around 90. Lows in the lower 70s. Chance of rain 60 percent. .THURSDAY...Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs around 90. Chance of rain 40 percent.