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	County Forecast for Greenfield , IL

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151600-
Greene IL-Macoupin IL-Calhoun IL-Jersey IL-
304 AM CDT Wed Jul 15 2026

Today   Sunny. Highs in the lower 90s. Northeast winds around 5 mph.
Tonight   Mostly clear. Lows in the lower 70s. East winds around 5 mph in the evening, becoming light and variable.
Thursday   Sunny in the morning, then partly sunny with a chance of showers and thunderstorms in the afternoon. Humid with highs around 90. Light and variable winds, becoming south around 5 mph in the afternoon. Chance of rain 50 percent. Heat index values up to 100.
Thursday night   Partly cloudy. A chance of showers and thunderstorms, mainly in the evening. Humid with lows in the lower 70s. South winds around 5 mph in the evening, becoming light and variable. Chance of rain 50 percent.
Friday   Mostly sunny with a chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon. Humid with highs in the upper 80s. West winds 5 to 10 mph. Chance of rain 70 percent.
Friday night   Partly cloudy in the evening, then clearing. A slight chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 20 percent.
Saturday through sunday night   Mostly clear. Highs in the lower 90s. Lows in the lower 70s. Heat index values up to 105.
Monday and monday night   Partly cloudy. A slight chance of showers and thunderstorms. Highs in the mid 90s. Lows in the lower 70s. Chance of rain 20 percent. Heat index values up to 105.
Tuesday   Sunny. Highs in the upper 80s.

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Bryce Anderson – DTN Meteorologist

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Northern Heat, Southern Storms Continue Wednesday

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Posted at 12:00PM Tue Jul 14, 2026 CDT

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