The National Weather Service has issued a red flag warning in some Chicago-area counties Friday. The warning - in effect in DeKalb, Kane, LaSalle, Kendall and Grundy counties - is set to remain in ...

RED FLAG WARNING from 10:00am to 9:00pm. FRIDAY: Mostly cloudy with rain showers changing to snow. Much cooler highs in the upper 30s to low to mid 40s. FRIDAY NIGHT: Snow showers expected ...