Expires:202607241300;;488890 FPUS52 KJAX 232244 ZFPJAX Zone Forecast Product for Northeast Florida and Southeast Georgia National Weather Service Jacksonville FL 642 PM EDT Thu Jul 23 2026 FLZ023-241300- Baker- Including the cities of Macclenny and Olustee 642 PM EDT Thu Jul 23 2026 .TONIGHT...Mostly cloudy this evening, then becoming partly cloudy. Lows in the mid 70s. Southeast winds 5 to 10 mph. Heat index values up to 105 early this evening. .FRIDAY...Sunny. Highs in the upper 90s. Light and variable winds, becoming east around 5 mph in the afternoon. Heat index values up to 108. .FRIDAY NIGHT...Partly cloudy. Lows in the mid 70s. Southeast winds around 5 mph. Heat index values up to 105 early in the evening. .SATURDAY...Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. Southwest winds around 5 mph, becoming west around 5 mph in the afternoon. Chance of rain 50 percent. Heat index values up to 108. .SATURDAY NIGHT...A chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows in the mid 70s. North winds around 5 mph, becoming west after midnight. Chance of rain 50 percent. .SUNDAY AND SUNDAY NIGHT...Partly cloudy. Showers and thunderstorms likely. Highs in the mid 90s. Lows in the mid 70s. Chance of rain 60 percent. Heat index values up to 105. .MONDAY AND MONDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms. Highs in the upper 90s. Lows in the mid 70s. Chance of rain 20 percent. Heat index values up to 105. .TUESDAY...Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. Chance of rain 20 percent. Heat index values up to 105. .TUESDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the upper 70s. Chance of rain 20 percent. Heat index values up to 105 early in the evening. .WEDNESDAY...Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. Chance of rain 30 percent. Heat index values up to 110. .WEDNESDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. A chance of showers and thunderstorms. Lows in the mid 70s. Chance of rain 30 percent. Heat index values up to 105 early in the evening. .THURSDAY...Partly sunny. A chance of showers with a slight chance of thunderstorms 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 105. $$