| NWS Forecast for: Lake County Issued by: National Weather Service Chicago, IL Last Update: 820 PM CDT Sun Aug 30 2026 | |
Tonight: Mostly cloudy. Scattered showers and a slight chance of thunderstorms in the evening. Lows in the lower 70s. South winds 5 to 10 mph. Chance of precipitation 50 percent. Monday: Mostly cloudy in the morning, then becoming partly cloudy. A slight chance of showers and thunderstorms early in the morning. A slight chance of showers and thunderstorms late. Humid with highs in the upper 80s. Southwest winds 5 to 10 mph. Chance of precipitation 20 percent. Monday Night: Partly cloudy. Humid with lows in the mid 70s. Southwest winds 5 to 10 mph. Tuesday: Partly cloudy. Hot, humid with highs in the lower 90s. Southwest winds 5 to 10 mph. Heat index values up to 101. Tuesday Night: Partly cloudy in the evening, then becoming mostly clear. Humid with lows in the mid 70s. Southwest winds around 5 mph. Wednesday: Mostly sunny. Hot with highs in the lower 90s. Wednesday Night: Mostly clear in the evening, then partly cloudy with a chance of showers and thunderstorms after midnight. Lows in the lower 70s. Chance of precipitation 30 percent. Thursday: Partly cloudy. A chance of showers and thunderstorms, mainly in the morning. Highs in the upper 80s. Chance of precipitation 30 percent. Thursday Night: Partly cloudy. A chance of showers and thunderstorms after midnight. Lows around 70. Chance of precipitation 50 percent. Friday: Partly cloudy. Highs in the mid 80s. Friday Night: Partly cloudy. Lows in the upper 60s. Saturday: Partly cloudy. Highs in the lower 80s. Saturday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 60s. Sunday: Partly cloudy. Highs in the lower 80s. | |
| Zone Forecast: Lake County | |
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