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Monument Park Mercer, IL 7-Day Night Weather Forecast
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Monument Park Mercer, IL Weather Forecast
Monument Park Mercer, IL Weather Forecast Date: 121 AM CDT Wed Aug 12 2026
The area/counties/county of: Mercer, including the city of Aledo.or toggle through each period.
Rest of Tonight... Partly cloudy with a slight chance of showers and thunderstorms. Patchy fog. Lows in the lower 70s. South winds around 5 mph. Chance of rain 20%.
Wednesday... Partly sunny. Occasional showers and thunderstorms, mainly in the morning. Patchy fog. Humid with highs in the mid 80s. West winds 5 to 10 mph, becoming southeast in the afternoon. Chance of rain 80%.
Wednesday Night... Partly cloudy in the evening, then mostly cloudy with a chance of showers and thunderstorms after midnight. Patchy fog. Humid with lows around 70. East winds around 5 mph. Chance of rain 30%.
Thursday... Patchy fog in the morning. A chance of thunderstorms. Showers with highs in the lower 80s. East winds 5 to 10 mph. Chance of rain 90%.
Thursday Night... A chance of thunderstorms in the evening. Showers with lows in the upper 60s. East winds 5 to 10 mph. Chance of rain 90%.
Friday... Mostly cloudy. Showers likely in the morning. Highs in the mid 80s. Chance of rain 60%.
Friday Night... Mostly cloudy. Showers likely with a chance of thunderstorms after midnight. Lows in the lower 70s. Chance of rain 60%.
Saturday... Mostly sunny. A chance of showers and thunderstorms in the morning. Highs in the upper 80s. Chance of rain 50%. Heat index values up to 105 in the afternoon.
Saturday Night... Partly cloudy. A chance of showers after midnight. Lows in the lower 70s. Chance of rain 30%. Heat index values up to 105 early in the evening.
Sunday... Partly sunny. Highs in the mid 80s.
Sunday Night... Partly cloudy. Lows in the mid 60s. Highs around 80.
Monday... Partly cloudy. Lows in the mid 60s. Highs around 80.
POP = Probability of Precipitation
Monument Park Mercer Radar Loop
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