Weather WorldPrairie Grove, IL 7-Day Night Weather Forecast
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Prairie Grove, IL Weather Forecast
Prairie Grove, IL Weather Forecast Date: 121 AM CDT Fri Sep 25 2026
The area/counties/county of: Mchenry, including the cities of: Crystal Lake, Algonquin, Mchenry, and Woodstock.or toggle through each period.
Rest of Tonight... Cloudy. Occasional sprinkles late. Near steady temperature in the upper 50s. East winds around 5 mph.
Friday... Mostly cloudy. Occasional sprinkles in the morning. Highs in the upper 60s. East winds around 5 mph.
Friday Night... Partly cloudy in the evening, then becoming mostly clear. Lows around 50. East winds around 5 mph in the evening, becoming light and variable.
Saturday... Partly cloudy. Highs in the upper 60s. East winds around 5 mph.
Saturday Night... Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 40s. East winds around 5 mph in the evening, becoming light and variable.
Sunday... Mostly cloudy. Highs in the upper 60s.
Sunday Night... Partly cloudy. Lows in the lower 50s.
Monday... Mostly sunny in the morning, then becoming partly cloudy. Highs around 70.
Monday Night... Partly cloudy. Lows in the lower 50s.
Tuesday... Partly cloudy in the morning, then mostly cloudy with a chance of showers in the afternoon. Highs around 70. Chance of precipitation 30%.
Tuesday Night... Showers likely. Lows in the upper 50s. Chance of precipitation 70%.
Wednesday... Mostly cloudy with a 50% chance of showers. Highs in the upper 60s.
Wednesday Night... Mostly cloudy with a 40% chance of showers. Lows in the upper 50s.
POP = Probability of Precipitation
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