| NWS Forecast for: Lake County Issued by: National Weather Service Chicago, IL Last Update: 551 PM CDT Sun Oct 25 2026 |  |
| Tonight: Mostly cloudy. Patchy fog late. Lows in the lower 50s. Southwest winds around 5 mph, becoming north after midnight. Monday: Mostly cloudy. Highs in the lower 60s. Northeast winds 10 to 15 mph. Monday Night: Mostly cloudy. Lows in the upper 40s. Northeast winds 10 to 15 mph. Tuesday: Mostly cloudy. Highs in the mid 60s. Southeast winds 10 to 15 mph. Tuesday Night: Mostly cloudy. Lows in the mid 50s. South winds 5 to 10 mph. Wednesday: Mostly cloudy in the morning, then clearing. Highs in the upper 60s. Wednesday Night: Partly cloudy. A slight chance of showers after midnight. Lows in the upper 50s. Chance of precipitation 20 percent. Thursday: Partly cloudy in the morning, then becoming mostly cloudy. A slight chance of showers and thunderstorms. Highs in the mid 70s. Chance of precipitation 20 percent. Thursday Night: Mostly cloudy. Lows in the mid 50s. Friday: Mostly cloudy with a 30 percent chance of showers. Highs in the lower 70s. Friday Night: Mostly cloudy with a 40 percent chance of showers. Lows in the mid 50s. Saturday: Mostly cloudy with a 40 percent chance of showers. Highs around 70. Saturday Night: Mostly cloudy with a 50 percent chance of showers. Lows in the mid 50s. Sunday: Mostly cloudy with a 40 percent chance of showers. Highs in the upper 60s. | |
| Zone Forecast: Lake County | |
Visit your local NWS office at: https://www.weather.gov/lot |