NZUS99 KLOT 160737 WRKLFP ILZ005-006-012-013-103>108-INZ001-162215- Chicago Metropolitan Forecast National Weather Service Chicago/Romeoville, IL 237 AM CDT Thu Apr 16 2026 .TODAY...Mostly cloudy with scattered showers and a slight chance of thunderstorms until late afternoon, then partly cloudy late. Highs around 70. Southwest winds 10 to 15 mph, becoming northwest in the afternoon. Chance of precipitation 50 percent. .TONIGHT...Partly cloudy. Patchy fog in the late evening and overnight. Lows in the lower 50s. East winds around 5 mph, becoming southeast after midnight. .FRIDAY...Mostly cloudy. Patchy fog early in the morning. A slight chance of showers and thunderstorms late. Breezy with highs in the lower 80s inland, but only in the lower 70s near the lake. Southeast winds 10 to 15 mph, increasing to south 15 to 20 mph in the afternoon. Gusts up to 30 mph. Chance of precipitation 20 percent. .FRIDAY NIGHT...Showers. Thunderstorms likely, mainly in the evening. Breezy with lows in the mid 40s. South winds 15 to 20 mph, becoming southwest 10 to 15 mph after midnight. Gusts up to 30 mph. Chance of precipitation near 100 percent. .SATURDAY...Mostly cloudy with a slight chance of showers in the morning, then partly cloudy in the afternoon. Breezy with highs in the mid 50s. West winds 15 to 20 mph with gusts up to 30 mph. Chance of precipitation 20 percent. .SATURDAY NIGHT...Mostly clear. Lows in the mid 30s in the suburbs to the upper 30s downtown. .SUNDAY...Mostly sunny in the morning, then becoming partly cloudy. Breezy with highs in the lower 50s. .SUNDAY NIGHT...Partly cloudy in the evening, then clearing. Areas of frost after midnight. Lows in the mid 30s in the suburbs to the upper 30s downtown. .MONDAY...Areas of frost in the morning. Sunny. Highs in the upper 50s. .MONDAY NIGHT...Partly cloudy. Lows in the mid 40s. .TUESDAY...Partly cloudy. Highs in the lower 70s. .TUESDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows around 50. .WEDNESDAY...Partly cloudy in the morning, then clearing. Highs in the upper 60s. $$