Cattail Slough Public Use Area, IL 7-Day Night Weather Forecast
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Cattail Slough Public Use Area, IL Weather Forecast


Cattail Slough Public Use Area, IL Weather Forecast Date: 451 PM CDT Thu Aug 13 2026
The area/counties/county of: Whiteside, including the city of Sterling.or toggle through each period.
Tonight... A chance of showers with a slight chance of thunderstorms early, then showers with thunderstorms likely. Some thunderstorms May produce heavy rainfall. Humid with lows in the mid 60s. East winds 5 to 10 mph. Chance of rain near 100%.
Friday... Mostly cloudy. Showers likely with a chance of thunderstorms in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Some thunderstorms May produce heavy rainfall. Humid with highs in the lower 80s. East winds around 10 mph. Chance of rain 70%.
Friday Night... Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers and thunderstorms. Some thunderstorms May produce heavy rainfall. Humid with lows around 70. East winds 5 to 10 mph. Chance of rain 50%.
Saturday... Showers likely with a chance of thunderstorms in the morning. Some thunderstorms May produce heavy rainfall in the morning. Humid with highs in the upper 80s. Southeast winds 5 to 10 mph, becoming southwest in the afternoon. Chance of rain 70%. Heat index values up to 103 in the afternoon.
Saturday Night... A chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Humid with lows around 70. West winds 5 to 10 mph. Chance of rain 50%. Heat index values up to 101 early in the evening.
Sunday... Partly sunny with a chance of showers and thunderstorms. Highs in the mid 80s. Chance of rain 50%.
Sunday Night... Partly cloudy. Lows in the mid 60s. Highs around 80.
Monday... Partly cloudy. Lows in the mid 60s. Highs around 80.
Monday Night... Mostly clear. Lows in the lower 60s.
Tuesday... Mostly sunny. Highs in the lower 80s.
Tuesday Night... Mostly cloudy with a chance of showers. Lows in the mid 60s. Highs in the lower 80s. Chance of rain 40%.
Wednesday... Mostly cloudy with a chance of showers. Lows in the mid 60s. Highs in the lower 80s. Chance of rain 40%.
Wednesday Night... Mostly cloudy with a chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows in the lower 60s. Chance of rain 30%.
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