Jacksonville, FL – Jacksonville residents should prepare for sizzling temperatures and increasing humidity on Sunday, July 20th. The National Weather Service has issued a heat advisory as temperatures climb to 96°F, but the heat index could soar to a dangerous 109°F by the afternoon.
Along with the extreme heat, the city faces the risk of afternoon thunderstorms, which could cause slick roads and sudden downpours, especially along major highways like I-95 and I-295.
Heat Advisory and Afternoon Thunderstorms
According to the National Weather Service, the heat advisory will remain in effect until 6:00 p.m. on Sunday. The combination of high temperatures and humidity will make it feel much hotter, creating dangerous conditions.
Isolated thunderstorms are expected to develop after 4 p.m., which may disrupt outdoor activities and affect travel. Those out on the roads should be cautious as thunderstorms can reduce visibility and create hazardous driving conditions.
Residents are urged to limit time outdoors, stay hydrated, and avoid unnecessary travel during the hottest parts of the day. For those who must drive, it’s important to be prepared for sudden weather changes, especially on busy highways like I-95.
Looking Ahead: More Heat and Thunderstorms
Unfortunately, the extreme heat is expected to continue into the new week. On Monday, temperatures will climb to around 97°F with an increased chance of thunderstorms and heavy rain in the afternoon.
The active weather pattern will persist on Tuesday and Wednesday, with frequent afternoon showers and thunderstorms, some of which could be strong with gusty winds and heavy rainfall.
The risk of afternoon storms and dangerous heat will continue through the week, with no significant relief in sight. Keep an eye on local weather updates for any new advisories or warnings.
Five-Day Jacksonville Weather Forecast (July 20th – July 25th)
Sunday, July 20: Hot and humid, with a high of 96°F. Heat index up to 109°F. Slight chance of showers and thunderstorms after 4 p.m.
Monday, July 21: Mostly sunny, then thunderstorms likely after 11 a.m. High of 97°F. 60% chance of rain.
Tuesday, July 22: Showers and thunderstorms likely after 2 p.m. High of 93°F. 80% chance of rain.
Wednesday, July 23: Showers likely before 8 a.m., followed by thunderstorms throughout the day. High near 89°F. 80% chance of rain.
Thursday, July 24: Showers and thunderstorms likely. High near 89°F. 80% chance of rain.
Friday, July 25: Showers and thunderstorms likely. High near 92°F. 60% chance of rain.
As the week progresses, Jacksonville will continue to experience both intense heat and frequent thunderstorms. Residents should remain vigilant and stay updated with the latest weather alerts. Whether you’re at home, on the road, or working outdoors, take the necessary precautions to stay safe in the extreme weather conditions.
