Heat Index NewsLatest News On Heat Index Jacksonville braces for multiple Atlantic storms: Humberto, Gabrielle, and new system under watch9/25/2025 4:33 AM Jacksonville braces for heatwave: temps near 100° and patchy fog, News4JAX forecast warns9/23/2025 3:23 AM Jacksonville faces afternoon storms, rising heat, high rip current risk8/25/2025 6:51 AM More showers, thunderstorms could make for messy Friday commutes across Northeast Florida8/22/2025 6:25 AM Wrongful death lawsuit filed after 3-year-old dies in hot car: ‘Had a duty to protect him’8/11/2025 10:39 AM Heat and afternoon storms kick off wet week ahead8/11/2025 7:11 AM Chicago extends summer pool plan as sweltering heat and humidity return this weekend8/8/2025 4:38 PM Heavy rain and triple-digit heat: What to expect this week8/6/2025 10:18 AM The truth about ‘feels like’ temperatures: KPRC 2 Chief Meteorologist breaks down the heat index7/29/2025 10:57 AM LIVE at 10am: Extreme heat warning issued through tonight as brutal triple-digit heat index continues7/29/2025 7:46 AM