Florida Weather Alert: 92°F Sunday Feels Like 106°F in Jacksonville Before Monday Storms Increase

Florida – A 106-degree heat index could make Jacksonville's Sunday afternoon feel punishing before thunderstorms develop across the city. Monday turns even hotter at 93 degrees, while storm chances increase to 50%.

According to the National Weather Service, Sunday reaches about 92 degrees with heat index values as high as 106. Showers and thunderstorms carry a 40% chance after 2 p.m.

The combination creates two concerns for outdoor plans: intense summer heat followed by potentially quick-changing thunderstorms.

Drink water regularly and seek air conditioning during extended periods outside. Beachgoers and families should head indoors immediately when thunder becomes audible.

Sunday evening keeps a 30% thunderstorm chance before 11 p.m. A slight shower chance then continues into early Monday.

Drivers on I-95, I-10 and I-295 should watch for sudden downpours. Even isolated storms can quickly reduce visibility and leave water on heavily traveled lanes.

The provided NWS outlook does not identify a specific tornado threat. Still, residents should monitor weather alerts as thunderstorms develop.

Monday becomes the hottest day shown. Jacksonville reaches about 93 degrees before a 50% chance of showers and thunderstorms develops after 2 p.m.

Storm chances persist into Monday evening at 30%. Temperatures only fall to around 77, offering limited relief.

Tuesday turns slightly cooler near 89 degrees. A 40% storm chance develops mainly after 2 p.m., with breezy conditions also expected.

Wednesday reaches about 87 with a 50% precipitation chance. Thunderstorms become possible after 8 a.m. Thursday stays unsettled with a 40% storm chance and a high near 88.

For now, Sunday's 106-degree heat index deserves attention before storms develop. Keep water, shade and indoor alternatives available. Seeing storms around Jacksonville Sunday? Tell us what conditions look like where you are.

Five Day Weather Outlook for Jacksonville, FL

• Sunday: Mostly sunny, then 40% chance of showers and thunderstorms after 2 p.m. High near 92°F. Heat index up to 106°F.
• Monday: Mostly sunny, then 50% chance of showers and thunderstorms after 2 p.m. High near 93°F. Storm chance 30% later.
• Tuesday: Mostly sunny, breezy, with a 40% storm chance mainly after 2 p.m. High near 89°F.
• Wednesday: Partly sunny with a 50% chance of showers and possible thunderstorms after 8 a.m. High near 87°F.
• Thursday: Partly sunny and breezy with a 40% chance of showers and thunderstorms. High near 88°F.