| NWS Forecast for: McCordsville IN Issued by: National Weather Service Indianapolis, IN Last Update: 8:15 am EDT Aug 12, 2026 |  |
Today: Showers and possibly a thunderstorm before noon, then scattered showers and thunderstorms between noon and 2pm, then showers likely and possibly a thunderstorm after 2pm. Some of the storms could produce heavy rainfall. Patchy fog before 9am. High near 82. South wind 7 to 10 mph becoming west southwest in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible. Tonight: Showers likely and possibly a thunderstorm before 8pm, then scattered showers and thunderstorms between 8pm and 11pm, then scattered showers after 11pm. Mostly cloudy, with a low around 68. Light and variable wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. Thursday: Scattered showers and thunderstorms, mainly between noon and 3pm. Mostly cloudy, with a high near 81. Calm wind becoming south southwest around 6 mph in the afternoon. Chance of precipitation is 40%. Thursday Night: Showers and possibly a thunderstorm. Low around 69. Light and variable wind. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible. Friday: Showers and possibly a thunderstorm before 8am, then scattered showers between 8am and 2pm. High near 83. North wind 3 to 5 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. Friday Night: Isolated thunderstorms before 8pm, then isolated showers and thunderstorms between 8pm and 11pm, then isolated showers after 11pm. Partly cloudy, with a low around 68. East northeast wind around 5 mph. Chance of precipitation is 20%. Saturday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86. South wind around 7 mph. Saturday Night: Partly cloudy, with a low around 72. South wind around 7 mph. Sunday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 87. South southwest wind 7 to 10 mph, with gusts as high as 20 mph. Sunday Night: A chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers. Partly cloudy, with a low around 68. West northwest wind 5 to 9 mph becoming light north northwest after midnight. Chance of precipitation is 40%. Monday: A 10 percent chance of showers. Mostly sunny, with a high near 80. Monday Night: Partly cloudy, with a low around 61. Tuesday: Sunny, with a high near 79. | |
| McCordsville IN 39.91°N 85.92°W (Elev. 797 ft) | |
Visit your local NWS office at: https://www.weather.gov/ind |
