Cold air has plunged into Chicago, with the rain/snow mix changing to all snow before dawn. Light snow, about an inch or so in accumulation, is possible on Sunday morning. Snow ends by early afternoon.

As the snow starts to ease up, Chicagoans can look forward to warmer temperatures Monday and Tuesday. Monday is expected to see highs around 50 to 55 degrees, while Tuesday may see highs in the low-to-mid 60s, said Zachary Yack, a meteorologist with the National Weather Service.

How should you dress for Sunday's continuing St. Patrick's Day weekend celebrations around Chicagoland? In one word: warm. A rain/snow mix has been falling around the area Sunday morning, with up to 1 or 2 inches of slushy,

After a brief taste of late spring with near record-high temperatures Friday and well above-average temperatures Saturday, the Chicago area is being thrust back into wintry weather to finish the weekend.