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Riverveiw, IL Weather Forecast
Riverveiw, IL Weather Forecast Date: 608 PM CDT Wed Sep 09 2026
The area/counties/county of: Randolph County Il, including the cities of: Chester and Sparta.or toggle through each period.
Tonight... Mostly cloudy with a chance of thunderstorms. A chance of showers this evening, then showers likely after midnight. Lows around 70. Southwest winds around 5 mph. Chance of rain 70%.
Thursday... Mostly cloudy with a chance of thunderstorms. Showers likely, mainly in the morning. Cooler with highs in the lower 80s. North winds around 5 mph. Chance of rain 70%.
Thursday Night... Mostly cloudy. A slight chance of showers and thunderstorms in the evening, then a chance of showers after midnight. Lows in the mid 60s. Northeast winds around 5 mph. Chance of rain 30%.
Friday... Mostly cloudy in the morning, then becoming partly sunny. A 50% chance of showers. Highs in the lower 80s. East winds around 5 mph.
Friday Night... Partly cloudy. Lows in the mid 60s. Light and variable winds, becoming south around 5 mph after midnight.
Saturday... Mostly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 20%. Heat index values up to 100 in the afternoon.
Saturday Night... Partly cloudy. Lows in the upper 60s. Highs around 90. Heat index values up to 100.
Sunday... Partly cloudy. Lows in the upper 60s. Highs around 90. Heat index values up to 100.
Sunday Night... Mostly clear. Lows in the upper 60s. Highs in the lower 90s. Heat index values up to 105.
Monday... Mostly clear. Lows in the upper 60s. Highs in the lower 90s. Heat index values up to 105.
Tuesday... Sunny. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 30%. Heat index values up to 100.
Tuesday Night... Partly cloudy. A chance of showers with a slight chance of thunderstorms. Lows in the upper 60s. Highs in the upper 80s. Chance of rain 40%. Heat index values up to 100.
POP = Probability of Precipitation
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