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Dierker Lake, IL 7-Day Night Weather Forecast
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Dierker Lake, IL Weather Forecast
Dierker Lake, IL Weather Forecast Date: 127 PM CDT Thu Aug 27 2026
The area/counties/county of: Mason, including the city of Havana.or toggle through each period.
This Afternoon... Sunny. Near steady temperature in the lower 80s. North winds around 5 mph.
Tonight... Mostly clear. Lows around 60. North winds around 5 mph in the evening, becoming light and variable.
Friday... Sunny. Highs in the mid 80s. Light and variable winds.
Friday Night... Mostly clear in the evening, then becoming partly cloudy. Lows around 60. Light and variable winds, becoming southeast around 5 mph after midnight.
Saturday... Mostly sunny. Highs in the mid 80s. South winds 5 to 10 mph.
Saturday Night... Partly cloudy. Lows in the upper 60s. Highs in the lower 90s.
Sunday... Partly cloudy. Lows in the upper 60s. Highs in the lower 90s.
Sunday Night... Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 70s.
Monday... Partly cloudy. Hot. Highs in the mid 90s. Lows in the mid 70s.
Monday Night... Partly cloudy. Hot. Highs in the mid 90s. Lows in the mid 70s.
Tuesday... Mostly clear. Hot. Highs in the mid 90s. Lows in the mid 70s.
POP = Probability of Precipitation
Dierker Lake Radar Loop
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