Jacksonville

Jacksonville Braces for Week of Thunderstorms and Sweltering Heat, Says National Weather Service

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Published on July 12, 2025
Jacksonville Braces for Week of Thunderstorms and Sweltering Heat, Says National Weather ServiceSource: Google Street View

The National Weather Service in Jacksonville, FL, has released a detailed forecast warning of a week filled with potential thunderstorms and high humidity. Residents can expect showers and thunderstorms primarily between 4 p.m. and 5 p.m. today, with the heat index reaching up to 106 degrees. The city faces a 60% chance of precipitation, with rainfall amounts ranging from a tenth to a quarter of an inch, though heavier rainfall is possible during thunderstorms, according to the NWS.

With highs near 94 degrees Fahrenheit over the next few days and tonight’s low around 77, atmospheric instability remains constant. The forecast indicates a chance of showers and thunderstorms before midnight, followed by a slight chance of showers between midnight and 1 a.m. The hot, humid conditions will persist, with mostly sunny skies interrupted by scattered thunderstorms throughout the week.

Looking ahead to Sunday, the NWS forecasts a chance of showers in the morning, with showers and thunderstorms likely after 11 a.m., signaling rain will become more prominent near noon. The pattern is expected to continue into Sunday night, with showers and thunderstorms likely before 11 p.m., followed by a slight chance of showers between 11 p.m. and 2 a.m. Residents should prepare for intermittent thunderstorms amid high temperatures.

Monday’s forecast continues the pattern with a slight chance of showers in the morning and showers and thunderstorms likely after 11 a.m. Tuesday is expected to see a slight temperature drop to 91 degrees, with an 80% chance of precipitation and showers and thunderstorms after 8 a.m.

Wednesday and Thursday are expected to bring additional thunderstorm activity, with highs near 90 degrees on both days. Both days carry a high probability of rain. Friday’s forecast remains similar, with showers and thunderstorms continuing the trend of unsettled weather for the area.