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Mccormack Park, IL Weather Forecast
Mccormack Park, IL Weather Forecast Date: 121 PM CDT Fri Oct 30 2026
The area/counties/county of: De Kalb, including the cities of: Dekalb and Sycamore.or toggle through each period.
This Afternoon... Mostly cloudy. A chance of sprinkles. Nearly steady temperatures in the mid 50s. East winds 5 to 10 mph.
Tonight... Cloudy. A chance of showers until early morning, then showers likely with a slight chance of thunderstorms late. Nearly steady temperatures in the upper 40s. East winds 5 to 10 mph. Chance of precipitation 70%.
Saturday... Cloudy. Showers early in the morning, then a chance of showers in the late morning and early afternoon. A chance of sprinkles late. Highs in the lower 60s. Southeast winds 5 to 10 mph. Chance of precipitation 80%.
Saturday Night... Cloudy. A chance of sprinkles in the evening, then a slight chance of showers after midnight. Lows in the lower 50s. Southeast winds around 5 mph. Chance of precipitation 20%.
Sunday... Mostly cloudy. A slight chance of showers in the afternoon. Highs in the mid 60s. Southeast winds 5 to 10 mph. Chance of precipitation 20%.
Sunday Night... Mostly cloudy. Lows in the lower 50s.
Monday... Cloudy with a 50% chance of showers. Highs in the mid 60s.
Monday Night... Showers likely. Lows in the upper 50s. Chance of precipitation 70%.
Tuesday... Showers, breezy with highs around 70. Chance of precipitation 80%.
Tuesday Night... Mostly cloudy. Showers likely, mainly in the evening. Lows in the mid 50s. Chance of precipitation 70%.
Wednesday... Mostly cloudy with a 50% chance of showers. Highs in the mid 60s.
Wednesday Night... Mostly cloudy with a 40% chance of showers. Lows in the upper 40s.
POP = Probability of Precipitation
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