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Spring Grove, IL 7-Day Night Weather Forecast
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Spring Grove, IL Weather Forecast
Spring Grove, IL Weather Forecast Date: 605 AM CDT Sun Sep 20 2026
The area/counties/county of: Mchenry, including the cities of: Crystal Lake, Algonquin, Mchenry, and Woodstock.or toggle through each period.
Today... Cloudy. Patchy fog early in the morning. Showers likely and a slight chance of thunderstorms in the morning. A chance of showers early in the afternoon, then a slight chance of showers late. Some thunderstorms May produce heavy rainfall in the morning. Breezy. Near steady temperature in the mid 60s. Northeast winds 10 to 15 mph, increasing to 15 to 20 mph in the afternoon. Gusts up to 30 mph. Chance of precipitation 70%.
Tonight... Cloudy. A slight chance of showers in the late evening and overnight. Lows in the mid 50s. Northeast winds 10 to 15 mph. Gusts up to 25 mph in the evening. Chance of precipitation 20%.
Monday... Cloudy. A slight chance of showers. Breezy with highs in the lower 60s. East winds 15 to 20 mph, becoming northeast 10 to 15 mph in the afternoon. Gusts up to 30 mph. Chance of precipitation 20%.
Monday Night... Mostly cloudy. A slight chance of showers. Lows in the lower 50s. Northeast winds 10 to 15 mph. Chance of precipitation 20%.
Tuesday... Mostly cloudy. Highs in the lower 60s. Northeast winds 10 to 15 mph with gusts up to 25 mph.
Tuesday Night... Partly cloudy. Lows in the upper 40s.
Wednesday... Mostly cloudy. Highs in the lower 60s.
Wednesday Night... Partly cloudy. Lows in the upper 40s.
Thursday... Partly cloudy in the morning, then becoming mostly cloudy. Highs in the mid 60s.
Thursday Night... Mostly cloudy. Lows around 50.
Friday... Partly cloudy in the morning, then becoming mostly cloudy. Highs in the upper 60s.
Friday Night... Partly cloudy. Lows in the upper 40s.
POP = Probability of Precipitation
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