| NWS Forecast for: Lake County Issued by: National Weather Service Chicago, IL Last Update: 301 PM CDT Tue Jul 21 2026 | |
Late This Afternoon: Mostly cloudy. Isolated showers. Temperatures in the lower 80s. Northwest winds 10 to 15 mph with gusts up to 25 mph. Chance of precipitation 20 percent. Tonight: Mostly cloudy in the evening then clearing. Scattered showers in the evening. Cooler. Lows in the mid 50s. North winds 10 to 15 mph with gusts up to 25 mph, diminishing to 5 to 10 mph after midnight. Chance of precipitation 30 percent. Wednesday: Mostly sunny in the morning, then becoming partly cloudy. Highs in the mid 70s. North winds 5 to 10 mph. Wednesday Night: Partly cloudy in the evening, then clearing. Lows in the mid 50s. Northeast winds around 5 mph, becoming northwest after midnight. Thursday: Sunny in the morning, then becoming partly cloudy. Highs in the upper 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 upper 50s. South winds around 5 mph, becoming southwest after midnight. Friday: Partly cloudy. Highs in the lower 80s. Friday Night: Mostly clear. Lows around 60. Saturday: Mostly sunny in the morning, then becoming partly cloudy. Highs in the lower 80s. Saturday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 60s. Sunday: Partly cloudy. Highs in the lower 90s. Sunday Night: Mostly clear in the evening, then partly cloudy with a chance of showers after midnight. Lows around 70. Chance of precipitation 30 percent. Monday: Partly cloudy. Highs in the upper 80s. Monday Night: Partly cloudy. Lows in the mid 60s. Tuesday: Partly cloudy. Highs in the mid 80s. | |
| Zone Forecast: Lake County | |
Visit your local NWS office at: https://www.weather.gov/lot |