Weather forecast for: Greenfield IL
Last Update: 5:41 am CDT Sep 15, 2026
Today: A 40 percent chance of showers and thunderstorms, mainly after 3pm. Sunny, with a high near 96. Heat index values as high as 104. Southwest wind 7 to 11 mph, with gusts as high as 22 mph.
Tonight: Showers and thunderstorms likely, mainly between 9pm and 10pm. Mostly cloudy, with a low around 69. Southeast wind around 5 mph becoming light and variable. Chance of precipitation is 60%.
Wednesday: A 30 percent chance of showers and thunderstorms, mainly before 10am. Partly sunny, with a high near 92. Heat index values as high as 101. Light and variable wind becoming east around 6 mph.
Wednesday Night: Partly cloudy, with a low around 71. Calm wind becoming south around 5 mph after midnight.
Thursday: Sunny, with a high near 94. Light and variable wind becoming west around 5 mph.
Thursday Night: Partly cloudy, with a low around 68.
Friday: Sunny, with a high near 91.
Friday Night: Mostly clear, with a low around 69.
Saturday: Mostly sunny, with a high near 91.
Saturday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Sunday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 81.
Sunday Night: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 59.
Monday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 76.