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Chicago First Alert Weather: Frost advisory for western counties

Chicago First Alert Weather: Cool trend continues
Chicago First Alert Weather: Cool trend continues 02:58

CHICAGO (CBS) -- A frost advisory is in effect Wednesday night for McHenry, DeKalb, and LaSalle counties, where lows are expected to dip into the mid 30s.

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Mostly clear tonight with lows cold enough for frost in McHenry, DeKalb and La Salle County. Lows will be in the low to mid 40s in Chicago.

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Mostly sunny and not as cool for Thursday afternoon with highs in the mid 60s. Sunny skies for Friday with highs in the mid to upper 60s.

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Lots of sunshine with highs in the upper 60s this weekend into the first half of next workweek.

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TONIGHT: Mostly clear skies and chilly. Low 44°

THURSDAY: Mostly sunny. High 65°

FRIDAY: Sunny skies. High 67°

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