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Patterson, IL 7-Day Night Weather Forecast
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Patterson, IL Weather Forecast
Patterson, IL Weather Forecast Date: 927 AM CDT Fri Sep 04 2026
The area/counties/county of: Greene County Il, Jersey County Il.or toggle through each period.
Rest of Today... Sunny, hot with highs in the upper 90s. Southwest winds around 5 mph. Heat index values up to 105.
Tonight... Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 70s. Southwest winds around 5 mph in the evening, becoming light and variable. Heat index values up to 103 early in the evening.
Saturday... Mostly sunny. Hot with highs in the upper 90s. West winds around 5 mph, becoming northwest around 5 mph in the afternoon. Heat index values up to 106.
Saturday Night... Mostly clear. Lows around 70. Northeast winds around 5 mph. Heat index values up to 102 early in the evening.
Sunday... Sunny. Highs in the lower 90s. Northeast winds 5 to 10 mph.
Sunday Night... Mostly clear. Lows in the mid 60s. Highs around 90.
Monday... Mostly clear. Lows in the mid 60s. Highs around 90.
Tuesday... Mostly clear. Hot. Highs in the upper 90s. Lows in the mid 70s. Heat index values up to 105.
Wednesday... Mostly clear. Hot. Highs in the upper 90s. Lows in the mid 70s. Heat index values up to 105.
Wednesday Night... Partly cloudy. A slight chance of showers and thunderstorms after midnight. Lows in the lower 70s. Chance of rain 20%.
POP = Probability of Precipitation
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