| NWS Forecast for: McHenry County Issued by: National Weather Service Chicago, IL Last Update: 256 AM CDT Thu Jul 3 2025 |  |
Today: Increasing clouds. A slight chance of showers in the afternoon. A slight chance of thunderstorms late in the afternoon. Highs around 90. West winds around 5 mph. Chance of precipitation 20 percent. Tonight: Partly cloudy. A slight chance of showers and thunderstorms. Lows in the upper 60s. Southeast winds 5 to 10 mph. Chance of precipitation 20 percent. Independence Day: Mostly cloudy in the morning, then clearing. A slight chance of showers and thunderstorms in the morning. Highs in the lower 90s. Southwest winds 5 to 10 mph. Chance of precipitation 20 percent. Friday Night: Mostly clear. Lows in the lower 70s. South winds around 5 mph. Saturday: Mostly sunny through mid afternoon, then becoming partly cloudy. Breezy with highs in the mid 90s. Southwest winds 15 to 20 mph with gusts up to 30 mph. Saturday Night: Mostly cloudy with a chance of showers and thunderstorms. Lows in the lower 70s. Chance of precipitation 30 percent. Sunday: Mostly cloudy in the morning, then becoming partly cloudy. A chance of showers and thunderstorms. Highs in the mid 80s. Chance of precipitation 50 percent. Sunday Night: Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the lower 60s. Chance of precipitation 20 percent. Monday: Partly cloudy. Highs in the lower 80s. Monday Night: Partly cloudy. Lows in the lower 60s. Tuesday: Partly cloudy. Highs in the mid 80s. Tuesday Night: A chance of thunderstorms in the evening. Partly cloudy with a chance of showers. Lows in the mid 60s. Chance of precipitation 40 percent. Wednesday: Partly cloudy with a chance of showers and thunderstorms. Highs in the mid 80s. Chance of precipitation 40 percent. | |
| Zone Forecast: McHenry County | |
Visit your local NWS office at: https://www.weather.gov/lot |