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Sterling High School, IL Weather Forecast
Sterling High School, IL Weather Forecast Date: 551 PM CDT Sat Aug 22 2026
The area/counties/county of: Whiteside, including the city of Sterling.or toggle through each period.
Tonight... Clear. Lows in the mid 50s. Northwest winds 5 to 10 mph.
Sunday... Sunny. Highs in the upper 70s. Northwest winds 5 to 10 mph.
Sunday Night... Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 50s. Northwest winds around 5 mph in the evening, becoming light and variable.
Monday... Mostly sunny. Highs in the upper 70s. Light and variable winds, becoming west around 5 mph in the afternoon.
Monday Night... Partly cloudy. Lows in the upper 50s. Light and variable winds, becoming southeast around 5 mph after midnight.
Tuesday... Partly cloudy. Highs in the lower 80s. Lows in the mid 60s.
Wednesday... Partly cloudy. Highs in the lower 80s. Lows in the mid 60s.
Wednesday Night... Mostly clear. Lows in the lower 60s. Highs in the lower 80s.
Thursday... Mostly clear. Lows in the lower 60s. Highs in the lower 80s.
Friday... Partly cloudy. Highs in the lower 80s. Lows in the lower 60s.
Friday Night... Partly cloudy. Highs in the lower 80s. Lows in the lower 60s.
POP = Probability of Precipitation
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