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Whiteside County, IL Weather Forecast
Whiteside County, IL Weather Forecast Date: 852 PM CST Mon Mar 02 2026
The area/counties/county of: Whiteside, including the city of Sterling.or toggle through each period.
Tonight... Mostly cloudy. A slight chance of rain after midnight. Not as cool with lows in the lower 30s. East winds around 5 mph. Chance of rain 20%.
Tuesday... Cloudy. A chance of rain in the morning. Highs in the mid 40s. East winds around 5 mph. Chance of rain 50%.
Tuesday Night... Mostly cloudy. A chance of rain after midnight. Lows in the lower 30s. East winds around 5 mph. Chance of rain 30%.
Wednesday... Partly sunny in the morning, then becoming mostly cloudy. A 40% chance of rain. Highs in the lower 50s. East winds 5 to 10 mph.
Wednesday Night... Cloudy. A chance of rain in the evening, then rain likely after midnight. Lows in the lower 40s. East winds around 5 mph. Chance of rain 60%.
Thursday... Cloudy. Rain likely, mainly in the morning. Highs in the upper 50s. Chance of rain 70%.
Thursday Night... Mostly cloudy. A chance of rain after midnight. Lows in the lower 40s. Chance of rain 40%.
Friday... Rain, warmer with highs in the upper 60s. Chance of rain 90%.
Friday Night... A chance of thunderstorms in the evening. Rain. Lows in the lower 50s. Chance of rain 90%.
Saturday... Mostly cloudy. A chance of rain in the morning. Highs in the lower 60s. Chance of rain 40%.
Saturday Night... Partly cloudy. Lows in the upper 30s. Highs in the lower 60s.
Sunday... Partly cloudy. Lows in the upper 30s. Highs in the lower 60s.
Sunday Night... Mostly clear. Lows in the lower 40s. Highs in the mid 60s.
POP = Probability of Precipitation
Whiteside County Radar Loop
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