After a sharp cooldown, Chicago is in for a chilly Thursday and frosty night before a warming trend brings sunny skies and highs near 80 by Mother's Day.

It may be halfway through spring, but chilly overnight temps could threaten outdoor plants, prompting a frost advisory in parts of the Chicago area.

A Frost Advisory has been issued for parts of Chicagoland as temperatures are expected to dip into the 30s tonight.

Widespread frost is expected and could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left ...

Frost is possible in some areas Friday morning after a chilly Thursday night. The 20-year-old fell over the top of an ...

Medium chance of showers in the southeast suburbs, slight chance elsewhere ... Light winds becoming north to northwesterly 15 to 20 km/h during the morning then becoming light during the afternoon.

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