ORLANDO, Florida – The National Weather Service in Melbourne forecasts isolated to scattered showers and thunderstorms across parts of the I-4 corridor this morning, Monday, July 27, 2026, with coverage increasing across East Central Florida this afternoon. Slow-moving storms may produce heavy rainfall leading to localized flooding in low-lying and poor drainage areas, along with frequent lightning and strong wind gusts. NWS Melbourne Today’s Weather Outlook Graphic The NWS warns of the following hazards during the peak storm hours this afternoon and evening: Frequent lightning strikes Wind gusts up to 40-50 mph in the strongest storms Locally heavy downpours that may cause localized flooding in low-lying and poor drainage areas Warm and muggy conditions persist with highs in the low to mid 90s and peak heat indices up to 109°F. A Heat Advisory is in effect from 11 AM to 8 PM for Lake, Volusia, Seminole, Orange, and northern Brevard counties. A Moderate to Major HeatRisk is forecast across the advisory area. Residents and visitors should stay well-hydrated, wear light clothing, and take frequent breaks in air conditioning or shade. NWS Melbourne Heat Advisory Graphic A MODERATE Rip Current Risk is in effect today for ALL Atlantic beaches in Volusia, Space, and Treasure Coasts. Swim near a lifeguard and follow beach safety instructions. East Central Florida cities forecast to see warm temperatures today include: Orlando (high near 93°F, rain chance 50%) Daytona Beach (high near 92°F, rain chance 50%) Melbourne (high near 91°F, rain chance 60%) Vero Beach (high near 92°F, rain chance 50%) National Weather Service Melbourne Weather Radar Orlando Weather Forecast Today (Monday) Isolated to scattered showers and thunderstorms near and north of I-4 this morning, with additional scattered storms developing areawide this afternoon. High near 93°F. Rain chance 50%. Heat index values as high as 103-109°F in the advisory area. Tonight A slight chance of showers and thunderstorms early, then partly cloudy. Low around 77-78°F. Rain chance 20%. Tuesday Mostly sunny, with a 40% chance of showers and thunderstorms mainly after 2pm. High near 95°F. Heat index values as high as 106°F. Southwest wind 5 to 10 mph. Tuesday Night A chance of showers and thunderstorms before 11pm, then a slight chance of showers. Partly cloudy, with a low around 79°F. Chance of precipitation is 30%. Wednesday A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 95°F. Southwest wind 5 to 10 mph. Wednesday Night A chance of showers and thunderstorms before 8pm, then a slight chance of showers. Partly cloudy, with a low around 79°F. Chance of precipitation is 30%.