Jacksonville is starting Thursday mostly clear and in the mid-70s, but the calm morning will give way to a hotter, stormier afternoon. Highs should reach near 91, with the heat index approaching 100, before showers and thunderstorms become possible after 2 p.m.
The latest forecast from the National Weather Service Jacksonville office calls for southwest winds of 5 to 8 mph and storms arriving in waves through the afternoon. The main concern is heavy rain that could cause localized minor flooding, while no watches or warnings are currently posted.
Storms Could Snarl The Afternoon
Rain chances stay low through early afternoon, then rise to about 40% to 50% between 2 and 5 p.m. A downpour could quickly create ponding on roads, especially in areas that have already seen several inches of rain in recent days, and winds may turn gusty and erratic near thunderstorms.
Thursday night brings a 40% chance of showers and thunderstorms before 9 p.m., followed by partly cloudy skies. Temperatures will only fall to around 75, with southerly winds of 3 to 8 mph, so bedtime will still feel more tropical than refreshing.
Friday And Saturday Look Stormier
Friday keeps the heat near 91, with the heat index climbing as high as 102 and a 70% chance of showers and thunderstorms. The forecast shows a slight chance of morning showers before a more active stretch from early afternoon into the evening, and forecasters say a few strong to severe storms are possible.
Saturday will be only slightly cooler at 90, but storm chances remain near 70%, including possible morning rain and likely thunderstorms later in the day. Heavy downpours could complicate commutes, outdoor work and long afternoon plans, so radar checks may become part of the weekend routine.
Daily Storm Chances Ease Next Week
Sunday through Wednesday stay warm, with highs from 89 to 90 and daily storm chances ranging from 30% to 50%. The pattern favors mostly sunny breaks between afternoon and evening showers rather than an all-day washout.
Beach plans come with another caveat: the Jacksonville-area forecast discussion says a moderate rip-current risk is expected to continue through the weekend. Swimmers should stick to lifeguarded areas and stay out of the water when conditions turn rough.
The updated outlook sharpens the timing and flooding concern from an earlier Hoodline forecast that flagged rising storm chances later this week. For Jacksonville, the bottom line is straightforward: enjoy the sunny morning, then keep an umbrella and a little patience nearby after lunch.
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