| NWS Forecast for: Lee County Issued by: National Weather Service Chicago, IL Last Update: 247 PM CDT Mon May 18 2026 |  |
Tonight: Mostly cloudy. A chance of showers and a slight chance of thunderstorms after midnight. Lows in the mid 60s. South winds 10 to 15 mph, increasing to 15 to 20 mph with gusts up to 25 mph after midnight. Chance of precipitation 40 percent. Tuesday: Mostly cloudy. A chance of showers in the morning. A slight chance of thunderstorms. A slight chance of showers in the afternoon. Breezy with highs in the mid 70s. Southwest winds 15 to 20 mph, becoming west in the afternoon. Gusts up to 30 mph. Chance of precipitation 40 percent. Tuesday Night: Mostly cloudy in the evening, then clearing. Lows in the mid 40s. Northwest winds 10 to 15 mph. Wednesday: Mostly sunny in the morning, then becoming partly cloudy. Highs in the mid 60s. Northeast winds 10 to 15 mph, diminishing to 5 to 10 mph in the afternoon. Wednesday Night: Partly cloudy. Lows in the lower 40s. East winds 10 to 15 mph, becoming northeast 5 to 10 mph after midnight. Thursday: Partly cloudy. Highs in the mid 60s. Thursday Night: Partly cloudy in the evening, then mostly cloudy with a slight chance of showers after midnight. Lows in the mid 40s. Chance of precipitation 20 percent. Friday: Mostly cloudy. A chance of showers in the morning, then showers likely with a slight chance of thunderstorms in the afternoon. Highs in the mid 60s. Chance of precipitation 60 percent. Friday Night: Mostly cloudy with a chance of showers. Lows around 50. Chance of precipitation 40 percent. Saturday: Mostly cloudy. Highs in the mid 70s. Saturday Night: Mostly cloudy. Lows in the lower 50s. Sunday: Mostly cloudy. Highs in the upper 70s. Sunday Night: Partly cloudy. Lows in the mid 50s. Memorial Day: Mostly cloudy. Highs in the lower 80s. | |
| Zone Forecast: Lee County | |
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