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Sinclair, IL Weather Forecast
Sinclair, IL Weather Forecast Date: 127 PM CDT Thu Oct 22 2026
The area/counties/county of: Morgan, including the city of Jacksonville.or toggle through each period.
This Afternoon... Sunny. Near steady temperature in the mid 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 upper 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 in the lower 70s. Lows in the upper 40s.
Tuesday Night... Mostly cloudy. Highs in the lower 70s. Lows in the upper 40s.
POP = Probability of Precipitation
Sinclair Radar Loop
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