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Round Grove, IL 7-Day Night Weather Forecast
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Round Grove, IL Weather Forecast
Round Grove, IL Weather Forecast Date: 836 PM CDT Tue Oct 13 2026
The area/counties/county of: Whiteside, including the city of Sterling.or toggle through each period.
Tonight... Mostly cloudy with a slight chance of thunderstorms. A slight chance of showers this evening, then a chance of showers after midnight. Lows in the upper 50s. North winds around 5 mph. Chance of rain 50%.
Wednesday... Mostly cloudy. A slight chance of showers in the morning. Highs in the upper 60s. Northeast winds 5 to 10 mph. Chance of rain 20%.
Wednesday Night... Mostly cloudy. A chance of showers after midnight. Lows in the mid 50s. East winds 5 to 10 mph. Chance of rain 50%.
Thursday... Showers. Highs in the mid 60s. East winds 5 to 10 mph. Chance of rain near 100%.
Thursday Night... Mostly cloudy. A chance of showers in the evening. Cooler with lows in the mid 40s. Northwest winds 15 to 20 mph. Chance of rain 50%.
Friday... Mostly sunny and breezy. Highs in the upper 50s.
Friday Night... Mostly clear. Areas of frost after midnight. Cooler with lows in the lower 30s.
Saturday... Areas of frost in the morning. Sunny. Highs around 60.
Saturday Night... Clear. Lows around 40.
Sunday... Sunny. Highs in the mid 60s.
Sunday Night... Mostly cloudy. Lows in the upper 40s. Highs in the upper 60s.
Monday... Mostly cloudy. Lows in the upper 40s. Highs in the upper 60s.
Monday Night... Partly cloudy. Lows in the upper 40s. Highs in the lower 70s.
POP = Probability of Precipitation
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