| NWS Forecast for: McHenry County Issued by: National Weather Service Chicago, IL Last Update: 1005 PM CDT Tue Jul 28 2026 |  |
Rest Of Tonight: Clear. Lows in the upper 50s. Northeast winds around 5 mph. Wednesday: Mostly sunny. Highs in the lower 80s. North winds around 5 mph. Wednesday Night: Mostly clear in the evening, then becoming partly cloudy. Lows around 60. East winds around 5 mph in the evening, becoming light and variable. Thursday: Partly cloudy. Highs in the mid 80s. West winds around 5 mph. Thursday Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 60s. South winds around 5 mph. Friday: Mostly cloudy. A slight chance of showers in the morning, then showers likely with a slight chance of thunderstorms in the afternoon. Highs around 80. Chance of precipitation 60 percent. Friday Night: Showers likely with a chance of thunderstorms. Lows in the mid 60s. Chance of precipitation 70 percent. Saturday: Mostly cloudy. Showers likely with a slight chance of thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. Chance of precipitation 60 percent. Saturday Night: Mostly cloudy in the evening, then becoming partly cloudy. Lows in the lower 60s. Sunday: Partly cloudy. Highs around 80. Sunday Night: Mostly clear. Lows in the lower 60s. Monday: Mostly sunny in the morning, then becoming partly cloudy. Highs in the lower 80s. Monday Night: Mostly clear. Lows in the lower 60s. Tuesday: Mostly sunny in the morning, then becoming partly cloudy. Highs in the mid 80s. | |
| Zone Forecast: McHenry County | |
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