Dierker Lake, IL 7-Day Night Weather Forecast
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Dierker Lake, IL Weather Forecast


Dierker Lake, IL Weather Forecast Date: 117 PM CST Sat Nov 14 2026
The area/counties/county of: Mason, including the city of Havana.or toggle through each period.
This Afternoon... Sunny. Highs in the upper 40s. Northwest winds around 5 mph.
Tonight... Mostly clear. Lows in the mid 20s. Light and variable winds.
Sunday... Sunny. Highs in the lower 50s. Light and variable winds.
Sunday Night... Mostly clear. Lows in the upper 20s. Light and variable winds.
Monday... Sunny. Highs in the mid 50s. Light and variable winds, becoming south around 5 mph in the afternoon.
Monday Night... Clear. Lows in the lower 30s.
Tuesday... Mostly clear. Highs in the upper 50s. Lows in the mid 30s.
Wednesday... Mostly clear. Highs in the upper 50s. Lows in the mid 30s.
Wednesday Night... Partly cloudy in the evening, then becoming mostly cloudy. Not as cool with lows in the mid 40s.
Thursday... Partly sunny. Highs in the mid 60s.
Thursday Night... Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 40s.
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