7-Day Forecast 38.52°N 87.51°W (Text-Only)
NWS Forecast for: Decker IN
Issued by: National Weather Service Indianapolis, IN
Last Update: 10:45 pm EDT Aug 10, 2026




Tonight: Mostly cloudy, with a low around 25. South southwest wind 10 to 13 km/h.

Tuesday: A 20 percent chance of showers and thunderstorms before 10am. Mostly sunny and hot, with a high near 34. Heat index values as high as 41. Southwest wind 13 to 18 km/h, with gusts as high as 29 km/h.

Tuesday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers after 4am. Partly cloudy, with a low around 24. South southwest wind 11 to 14 km/h. Chance of precipitation is 20%.

Wednesday: A chance of showers and thunderstorms before 11am, then a chance of showers between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 33. Heat index values as high as 38. Southwest wind 11 to 13 km/h. Chance of precipitation is 50%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.

Wednesday Night: A 40 percent chance of showers and thunderstorms, mainly after 2am. Partly cloudy, with a low around 23. South southwest wind 8 to 10 km/h.

Thursday: A 30 percent chance of showers and thunderstorms, mainly before 8am. Mostly sunny, with a high near 32. South wind 8 to 11 km/h becoming west southwest in the afternoon.

Thursday Night: A 50 percent chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 23. Southeast wind 5 to 8 km/h.

Friday: A 20 percent chance of showers and thunderstorms before 2pm. Partly sunny, with a high near 32. East northeast wind around 8 km/h.

Friday Night: A 20 percent chance of showers after 2am. Partly cloudy, with a low around 22. East southeast wind 5 to 10 km/h.

Saturday: A 10 percent chance of showers before 8am. Sunny and hot, with a high near 33. Southeast wind around 11 km/h becoming south southwest in the afternoon.

Saturday Night: Mostly clear, with a low around 24.

Sunday: Sunny and hot, with a high near 33.

Sunday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 23.

Monday: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 29.



Decker IN
 38.52°N 87.51°W (Elev. 499 m)

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