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 124 PM EDT Fri Jul 18 2025 .TONIGHT...Partly cloudy with a chance of showers and thunderstorms this evening, then mostly clear after midnight. Lows in the mid 70s. Southwest winds around 5 mph this evening, becoming light and variable. Chance of rain 50 percent. .SATURDAY...Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Southwest winds around 5 mph. Chance of rain 20 percent. Heat index values up to 110. .SATURDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows in the mid 70s. West winds around 5 mph. Chance of rain 20 percent. .SUNDAY...Sunny. Highs in the mid 90s. West winds 5 to 10 mph. Heat index values up to 108. .SUNDAY NIGHT...Mostly clear. Lows in the mid 70s. West winds 5 to 10 mph. .MONDAY...Mostly sunny. A slight chance of showers in the morning, then showers and thunderstorms likely in the afternoon. Highs in the mid 90s. Chance of rain 60 percent. Heat index values up to 110. .MONDAY NIGHT...Mostly cloudy with showers and thunderstorms likely in the evening, then partly cloudy with a chance of showers and thunderstorms after midnight. Lows in the mid 70s. Chance of rain 60 percent. .TUESDAY THROUGH WEDNESDAY NIGHT...Mostly cloudy with showers and thunderstorms. Locally heavy rainfall possible. Highs in the lower 90s. Lows in the mid 70s. Chance of rain 90 percent. Heat index values up to 110. .THURSDAY AND THURSDAY NIGHT...Partly cloudy. Showers and thunderstorms likely. Highs in the lower 90s. Lows in the mid 70s. Chance of rain 70 percent. .FRIDAY...Mostly sunny. A chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Highs in the lower 90s. Chance of rain 60 percent. Heat index values up to 105.