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Ritchie, IL 7-Day Night Weather Forecast
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Ritchie, IL Weather Forecast
Ritchie, IL Weather Forecast Date: 801 PM CDT Thu Sep 03 2026
The area/counties/county of: Southern Will, including the cities of: Channahon, Manhattan, and Wilmington.or toggle through each period.
Tonight... Mostly clear. Lows in the lower 70s. South winds around 5 mph.
Friday... Mostly sunny. Hot, humid with highs in the mid 90s. Southwest winds around 5 mph. Heat index values up to 103.
Friday Night... Mostly clear. A chance of thunderstorms after midnight. A chance of showers after midnight. A slight chance of thunderstorms late. Humid with lows in the lower 70s. South winds around 5 mph, becoming northeast after midnight. Chance of precipitation 50%.
Saturday... Partly cloudy. A slight chance of showers and thunderstorms. Humid with highs in the upper 80s. Northeast winds 5 to 10 mph. Chance of precipitation 20%. Heat index values up to 100.
Saturday Night... Partly cloudy. Humid with lows in the mid 60s. Northeast winds 5 to 10 mph.
Sunday... Partly cloudy in the morning, then becoming mostly sunny. Highs in the mid 80s.
Sunday Night... Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s.
Labor Day... Mostly sunny in the morning, then becoming partly cloudy. Highs in the mid 80s.
Monday Night... Partly cloudy. Lows in the mid 60s.
Tuesday... Partly cloudy. Highs in the upper 80s.
Tuesday Night... Partly cloudy. Lows in the lower 70s.
Wednesday... Partly cloudy. Hot with highs in the lower 90s.
Wednesday Night... Partly cloudy with a 40% chance of showers. Lows around 70.
POP = Probability of Precipitation
Ritchie Radar Loop
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