| NWS Forecast for: Decker IN Issued by: National Weather Service Indianapolis, IN Last Update: 11:45 pm EDT Aug 12, 2026 |  |
Overnight: A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 23. South southeast wind 5 to 8 km/h. Chance of precipitation is 20%. Thursday: A 30 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 31. Heat index values as high as 38. Southeast wind around 8 km/h becoming southwest in the afternoon. Thursday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 23. East wind around 11 km/h. Chance of precipitation is 30%. Friday: Mostly sunny and hot, with a high near 34. Heat index values as high as 42. South southeast wind 8 to 11 km/h becoming southwest in the afternoon. Friday Night: Mostly clear, with a low around 24. Calm wind. Saturday: Sunny and hot, with a high near 34. South southeast wind 5 to 10 km/h becoming southwest in the afternoon. Saturday Night: Mostly clear, with a low around 24. South wind 5 to 8 km/h. Sunday: Sunny and hot, with a high near 35. West wind 8 to 11 km/h. Sunday Night: A 20 percent chance of showers and thunderstorms after 2am. Mostly clear, with a low around 23. West wind 5 to 8 km/h becoming north after midnight. Monday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 31. North northeast wind 8 to 11 km/h. Monday Night: Partly cloudy, with a low around 21. Tuesday: A 20 percent chance of showers. Mostly sunny, with a high near 30. Tuesday Night: Mostly clear, with a low around 21. Wednesday: A 20 percent chance of showers and thunderstorms. Sunny, with a high near 32. | |
| Decker IN 38.52°N 87.51°W (Elev. 499 m) | |
Visit your local NWS office at: https://www.weather.gov/ind |
