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Sinclair, IL Weather Forecast
Sinclair, IL Weather Forecast Date: 1037 AM CDT Thu Oct 22 2026
The area/counties/county of: Morgan, including the city of Jacksonville.or toggle through each period.
Rest of Today... Sunny. Highs in the upper 70s. Light and variable winds.
Tonight... Clear. Lows in the upper 40s. Light and variable winds, becoming southeast around 5 mph after midnight.
Friday... Sunny. Highs in the mid 70s. Southeast winds around 5 mph.
Friday Night... Mostly clear. Lows in the mid 40s. Southeast winds around 5 mph.
Saturday... Mostly sunny. Highs in the mid 70s. Southeast winds around 5 mph.
Saturday Night... Partly cloudy. Lows in the upper 40s. Highs in the upper 70s.
Sunday... Partly cloudy. Lows in the upper 40s. Highs in the upper 70s.
Sunday Night... Mostly cloudy. Lows in the upper 40s. Highs in the upper 70s.
Monday... Mostly cloudy. Lows in the upper 40s. Highs in the upper 70s.
Tuesday... Mostly cloudy. Highs around 70. Lows in the mid 40s.
Tuesday Night... Mostly cloudy. Highs around 70. Lows in the mid 40s.
POP = Probability of Precipitation
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