TonightShowers and thunderstorms, mainly before 10pm. Some of the storms could produce heavy rainfall. Low around 74. South southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible. SaturdayShowers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 88. West southwest wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Saturday NightShowers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Low around 75. South southwest wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. SundayA slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 90. South southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.Sunday NightShowers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 75. South southwest wind around 5 mph. Chance of precipitation is 60%.MondayShowers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 92. West southwest wind 5 to 10 mph. Chance of precipitation is 60%.Monday NightShowers likely and possibly a thunderstorm before 8pm. Mostly cloudy, with a low around 75. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.TuesdayShowers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 92. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 60%.Tuesday NightShowers likely and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 76. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.WednesdayA slight chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 89. Southwest wind around 5 mph. Chance of precipitation is 60%.Wednesday NightShowers and thunderstorms likely. Partly cloudy, with a low around 74. South southwest wind around 5 mph. Chance of precipitation is 60%.ThursdayShowers likely and possibly a thunderstorm. Mostly sunny, with a high near 91. Southwest wind 5 to 10 mph. Chance of precipitation is 60%.Thursday NightShowers and thunderstorms likely. Partly cloudy, with a low around 75. Southwest wind around 5 mph. Chance of precipitation is 60%.FridayShowers and thunderstorms likely. Mostly sunny, with a high near 91. South southwest wind 5 to 10 mph. Chance of precipitation is 60%. , Be prepared with the most accurate 10-day forecast for Kissimmee, FL with highs, lows, chance of precipitation from The Weather Channel and Weather.com, Kissimmee, FL Weather Forecast, with current conditions, wind, air quality, and what to expect for the next 3 days..