| NWS Forecast for: Lake County Issued by: National Weather Service Chicago, IL Last Update: 646 AM CDT Sun Aug 30 2026 |  |
Today: Mostly cloudy. Numerous showers and scattered thunderstorms in the morning, then scattered showers with isolated thunderstorms in the afternoon. Highs in the lower 80s. South winds 10 to 15 mph. Gusts up to 25 mph in the afternoon. Chance of precipitation 70 percent. Tonight: Mostly cloudy. Isolated showers and thunderstorms early in the evening. Lows around 70. South winds 5 to 10 mph. Chance of precipitation 20 percent. Monday: Mostly cloudy in the morning, then becoming partly cloudy. Isolated showers and thunderstorms in the morning. Highs around 90. Southwest winds 5 to 10 mph. Chance of precipitation 20 percent. Monday Night: Partly cloudy. Lows in the lower 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. Lows in the mid 70s. Wednesday: Mostly sunny. Hot with highs in the mid 90s. Wednesday Night: Mostly clear in the evening, then becoming partly cloudy. A slight chance of showers and thunderstorms. Lows in the lower 70s. Chance of precipitation 20 percent. Thursday: Partly cloudy. A chance of showers and thunderstorms in the morning. Highs in the upper 80s. Chance of precipitation 30 percent. Thursday Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows around 70. Friday: Partly cloudy. Highs in the upper 80s. Friday Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 60s. Saturday: Partly cloudy. A chance of showers in the morning. Highs in the mid 80s. Chance of precipitation 40 percent. | |
| Zone Forecast: Lake County | |
Visit your local NWS office at: https://www.weather.gov/lot |