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Pekin Lake, IL 7-Day Night Weather Forecast
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Pekin Lake, IL Weather Forecast
Pekin Lake, IL Weather Forecast Date: 1143 AM CDT Wed Aug 19 2026
The area/counties/county of: Tazewell, including the city of Pekin.or toggle through each period.
This Afternoon... Mostly cloudy. Showers likely with a chance of thunderstorms. Some thunderstorms May produce heavy rainfall. Near steady temperature around 80. South winds around 5 mph, becoming west. Chance of rain 60%.
Tonight... Mostly cloudy with a chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Patchy fog after midnight. Some thunderstorms May produce heavy rainfall in the evening. Lows in the mid 60s. Northeast winds around 5 mph. Chance of rain 50%.
Thursday... Patchy fog in the morning. Sunny. Highs around 80. Northeast winds around 5 mph.
Thursday Night... Mostly clear. Lows in the lower 60s. East winds around 5 mph in the evening, becoming light and variable.
Friday... Mostly sunny. Highs in the lower 80s. Southwest winds 5 to 10 mph.
Friday Night... Mostly clear. A chance of showers and thunderstorms in the evening. Lows in the lower 60s. Chance of rain 30%.
Saturday... Mostly clear. Highs in the lower 80s. Lows in the lower 60s.
Saturday Night... Mostly clear. Highs in the lower 80s. Lows in the lower 60s.
Sunday... Partly cloudy. Highs in the lower 80s. Lows in the lower 60s.
Monday... Partly cloudy. Highs in the lower 80s. Lows in the lower 60s.
POP = Probability of Precipitation
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