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City of Lacon, ILLacon, IL 7-Day Night Weather Forecast
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Lacon, IL Weather Forecast
Lacon, IL Weather Forecast Date: 1037 PM CDT Sat Sep 05 2026
The area/counties/county of: Marshall, including the city of Lacon.or toggle through each period.
Rest of Tonight... Mostly cloudy. Lows in the mid 60s. Northeast winds 5 to 10 mph.
Sunday... Mostly sunny. Highs in the lower 80s. East winds 5 to 10 mph.
Sunday Night... Mostly clear. Lows around 60. East winds 5 to 10 mph.
Labor Day... Sunny. Highs in the lower 80s. East winds 5 to 10 mph.
Monday Night... Mostly clear. Lows in the lower 60s. Southeast winds around 5 mph.
Tuesday... Mostly sunny. Highs around 90.
Tuesday Night... Mostly clear in the evening, then becoming partly cloudy. Not as cool with lows in the lower 70s.
Wednesday... Partly cloudy. Highs around 90. Lows in the mid 60s.
Wednesday Night... Partly cloudy. Highs around 90. Lows in the mid 60s.
Thursday... Partly cloudy. Highs in the lower 80s. Lows in the upper 50s.
Thursday Night... Partly cloudy. Highs in the lower 80s. Lows in the upper 50s.
Friday... Mostly clear. Highs in the mid 80s. Lows in the lower 60s.
POP = Probability of Precipitation
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