CHICAGO (CBS) – Just last week, temperatures were in the 70s and it felt like summer might never end.

But now, workers are erecting the base for the Christmas tree in Daley Plaza, and holiday-oriented commercials are already creeping into the daily advertising schedule. So naturally, a forecast with snow couldn’t be far behind.

Well, sure enough, the Chicago area has snow in the forecast for Thursday evening. But it only applies if you live in Northwest Indiana.

CBS 2’s Megan Glaros reports there is a 40 percent change of rain showers Thursday afternoon. Conditions will start out blustery with midday highs in the upper 40s, then dropping to the lower 40s by the afternoon.

Overnight, the lake-effect showers will turn into a rain-snow mix in parts of Northwest Indiana as temperatures drop below the freezing point. The northwest winds will gust up to 20 mph.

Little or no snow accumulation is anticipated, according to the National Weather Service.

Overnight, the low will drop to 33 degrees in the city. In outlying areas, the temperature will be even colder.

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