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Tomahawk Lake, IL 7-Day Night Weather Forecast
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Tomahawk Lake, IL Weather Forecast
Tomahawk Lake, IL Weather Forecast Date: 311 PM CDT Sun Sep 13 2026
The area/counties/county of: Mchenry, including the cities of: Crystal Lake, Algonquin, Mchenry, and Woodstock.or toggle through each period.
Late This Afternoon... Mostly cloudy. Scattered showers. Temperatures in the lower 60s. Northwest winds 5 to 10 mph. Chance of precipitation 50%.
Tonight... Mostly clear. Patchy fog late. Lows in the mid 40s. Northwest winds around 5 mph in the evening, becoming light and variable.
Monday... Mostly sunny in the morning, then becoming mostly cloudy. Patchy fog early in the morning. A slight chance of showers late. Highs in the mid 70s. East winds 5 to 10 mph, increasing to south 10 to 15 mph with gusts up to 25 mph in the afternoon. Chance of precipitation 20%.
Monday Night... Mostly cloudy. A slight chance of showers early in the evening. A chance of showers with a slight chance of thunderstorms after midnight, then showers likely with a chance of thunderstorms late. Breezy and much warmer with lows in the mid 60s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of precipitation 60%.
Tuesday... Showers likely with a chance of thunderstorms in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. More humid with highs in the lower 80s. Southwest winds 10 to 15 mph. Gusts up to 25 mph in the morning. Chance of precipitation 70%.
Tuesday Night... Mostly cloudy. A slight chance of thunderstorms in the evening. A chance of showers. Lows in the upper 50s. North winds around 5 mph. Chance of precipitation 50%.
Wednesday... Showers likely. A chance of thunderstorms in the afternoon. Highs in the lower 70s. Chance of precipitation 70%.
Wednesday Night... A chance of showers and thunderstorms in the evening, then showers likely with a slight chance of thunderstorms after midnight. Lows in the lower 60s. Chance of precipitation 70%.
Thursday... Mostly cloudy. A chance of showers in the morning. Highs in the mid 70s. Chance of precipitation 50%.
Thursday Night... Mostly cloudy. Lows around 60.
Friday... Partly cloudy in the morning, then becoming mostly cloudy. A chance of showers. Highs in the mid 70s. Chance of precipitation 40%.
Friday Night... Mostly cloudy with a chance of showers. Lows in the lower 60s. Chance of precipitation 50%.
Saturday... Mostly cloudy. A chance of showers in the morning, then showers likely in the afternoon. Highs in the upper 70s. Chance of precipitation 60%.
Saturday Night... Mostly cloudy with a 50% chance of showers. Lows in the upper 50s.
POP = Probability of Precipitation
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