Killarney Park, IL 7-Day Night Weather Forecast
Quick Weather Clicks
Sun & Moon
Weather Quote O' the Day


Killarney Park, IL Weather Forecast


Killarney Park, IL Weather Forecast Date: 856 AM CDT Mon Aug 10 2026
The area/counties/county of: Mchenry, including the cities of: Crystal Lake, Algonquin, Mchenry, and Woodstock.or toggle through each period.
Today... Mostly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Northeast winds around 5 mph, becoming southeast in the afternoon. Chance of precipitation 30%.
Tonight... Mostly cloudy. A chance of showers and thunderstorms. Humid with lows in the upper 60s. East winds around 5 mph. Chance of precipitation 40%.
Tuesday... Mostly cloudy. Showers and thunderstorms likely, mainly in the morning. Humid with highs in the lower 80s. Southeast winds around 5 mph, becoming west in the afternoon. Chance of precipitation 70%.
Tuesday Night... Partly cloudy in the evening, then becoming mostly cloudy. A chance of thunderstorms in the evening. A chance of showers. Humid with lows in the mid 60s. Northeast winds around 5 mph. Chance of precipitation 50%.
Wednesday... Mostly cloudy. A chance of showers in the morning, then a slight chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 80s. North winds around 5 mph. Chance of precipitation 40%.
Wednesday Night... Partly cloudy. A slight chance of showers in the evening. Lows in the mid 60s. Chance of precipitation 20%.
Thursday... Mostly cloudy. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of precipitation 50%.
Thursday Night... Mostly cloudy with a 20% chance of showers. Lows in the lower 60s.
Friday... Mostly cloudy. Highs in the mid 70s.
Friday Night... Mostly cloudy. A chance of showers after midnight. Lows around 60. Chance of precipitation 40%.
Saturday... Mostly cloudy with a chance of showers. Highs in the upper 70s. Chance of precipitation 40%.
Saturday Night... A chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows in the lower 60s. Chance of precipitation 40%.
Weather World