Key keywords: Orlando weather, overnight lingering showers, Central Florida Saturday forecast, hot weekend weather, Orlando outdoor activity planning, National Weather Service Melbourne, Orlando thunderstorm risk, Florida summer weather pattern The National Weather Service (NWS) Melbourne office released the latest official weather update for Orlando and surrounding Central Florida regions on Friday afternoon, confirming that scattered, lingering showers will remain possible across most of the Orlando metro area through the overnight hours between 10 p.m. Friday and 7 a.m. Saturday. These showers stem from residual moisture left by the afternoon sea breeze convergence that triggered scattered thunderstorms across inland Orange, Osceola, and Seminole counties earlier Friday. Most of the overnight precipitation is expected to be light, with total accumulations under 0.2 inches for 90% of the region, though isolated pockets near Lake Apopka and the St. Johns River could see slightly higher totals up to 0.5 inches if slow-moving showers stall over those low-lying areas. No severe thunderstorm or flood warnings are in effect for the overnight period, though traffic safety officials advise drivers on Interstate 4, the Florida Turnpike, and local surface roads to reduce speed and leave extra following distance if they encounter sudden light rain during late-night travel, as wet pavement can still create skid risks even with low precipitation volumes. Saturday’s forecast brings a dramatic shift to dry, mostly sunny conditions, with morning lows starting at 76 degrees Fahrenheit, climbing quickly to a high of 94 degrees by mid-afternoon. Heat index values, which combine temperature and humidity to reflect perceived warmth, will push as high as 105 to 108 degrees across most of the metro area, putting the entire region under a heat advisory from 11 a.m. to 6 p.m. Saturday. Relative humidity will hover between 55% and 65% through the hottest hours of the day, exacerbating heat stress for anyone spending extended time outdoors, including attendees of popular weekend events like the Orlando Farmers Market at Lake Eola, the Disney Springs Summer Celebration, and local youth sports tournaments taking place across Orange and Seminole counties. NWS officials recommend that anyone planning outdoor activities on Saturday schedule strenuous tasks for early morning before 10 a.m. or after 7 p.m. when temperatures drop, carry at least 8 ounces of water per person per hour of outdoor time, wear lightweight, light-colored clothing and broad-spectrum sunscreen with an SPF of 30 or higher, and check on elderly neighbors and pets who may be extra sensitive to extreme heat. Looking ahead to Sunday, the weather pattern will remain consistent with typical Central Florida summer norms, with mostly sunny conditions in the morning, followed by a 30% chance of scattered afternoon thunderstorms starting around 2 p.m., with high temperatures remaining in the mid-90s and heat index values staying in the triple digits through the end of the weekend. Forecasters also note that while the overnight showers are not expected to cause significant disruptions, residents can sign up for the Orange County Emergency Alert system to receive real-time notifications if any unexpected severe weather develops over the weekend, and can check the NWS Melbourne website for hourly updated forecasts tailored to their specific neighborhood.