| NWS Forecast for: Lake County Issued by: National Weather Service Chicago, IL Last Update: 536 AM CDT Tue Jul 21 2026 |  |
Today: Partly cloudy. Highs in the mid 80s. Northwest winds 15 to 20 mph with gusts up to 25 mph. Tonight: Mostly cloudy in the evening, then clearing. Isolated showers early in the evening. Cooler with lows in the mid 50s. North winds 10 to 15 mph with gusts up to 25 mph. Chance of precipitation 20 percent. Wednesday: Mostly sunny in the morning, then becoming partly cloudy. Highs around 70. North winds 10 to 15 mph. Wednesday Night: Mostly clear. Lows in the mid 50s. North winds 5 to 10 mph, becoming northwest after midnight. Thursday: Mostly sunny in the morning, then becoming partly cloudy. Highs in the mid 70s. West winds around 5 mph, becoming south in the afternoon. Thursday Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 60s. Friday: Partly cloudy. Highs around 80. Friday Night: Mostly clear. Lows in the lower 60s. Saturday: Mostly sunny. Highs in the mid 80s. Saturday Night: Clear in the evening, then becoming partly cloudy. Lows in the mid 60s. Sunday: Partly cloudy. Highs in the upper 80s. Sunday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 60s. Monday: Partly cloudy in the morning, then clearing. Highs in the mid 80s inland, but only around 80 near the lake. | |
| Zone Forecast: Lake County | |
Visit your local NWS office at: https://www.weather.gov/lot |