7-Day Zone Forecast for McHenry County (Text-Only)
NWS Forecast for: McHenry County
Issued by: National Weather Service Chicago, IL
Last Update: 121 AM CDT Wed Jul 29 2026
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Rest Of Tonight: Mostly clear. Near steady temperature around 60. North winds around 5 mph.

Wednesday: Mostly sunny. Highs in the lower 80s. Northeast winds around 5 mph.

Wednesday Night: Mostly clear. Lows in the lower 60s. East winds around 5 mph in the evening, becoming light and variable.

Thursday: Mostly sunny in the morning, then becoming partly cloudy. Highs in the mid 80s. West winds around 5 mph.

Thursday Night: Mostly cloudy. Lows in the lower 60s. South winds around 5 mph.

Friday: Cloudy. A chance of showers in the morning, then showers likely with a slight chance of thunderstorms in the afternoon. Highs in the mid 70s. Chance of precipitation 70 percent.

Friday Night: Rain. A chance of thunderstorms, mainly in the evening. Rain may be heavy at times. Lows in the lower 60s. Chance of precipitation 90 percent.

Saturday: Mostly cloudy with a slight chance of thunderstorms. Showers likely, mainly in the morning. Highs in the mid 70s. Chance of precipitation 70 percent.

Saturday Night: Partly cloudy. Lows around 60.

Sunday: Partly cloudy. Highs in the upper 70s.

Sunday Night: Mostly clear. Lows around 60.

Monday: Mostly sunny. 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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