Wednesday, December 19 2012

Summary: Our first significant winter storm of the season is set to impact the Chicagoland area over the next couple days, with very high winds at times and 2 to 6 inches of accumulation possible by the end of tomorrow night. Because of the high winds, blowing snow will be a concern.

Tonight: Cloudy with a chance of rain in the evening, then rain and a chance of thunderstorms after midnight. Lows will be in the upper 30s with winds gradually increasing from the east at 10 to 25 MPH, with gusts up to 35 possible.

Thursday: Rain and a chance of thunderstorms, eventually changing over to snow by the late afternoon. Highs will be in the upper 40s, but will fall to the lower 30s by the evening. Winds will be out of the south to southeast at 10 to 20 MPH early in the day, then shifting to come from the northwest at 25 to 35 MPH with gusts up to 50 possible in the afternoon.  

Thursday night: Very windy with snow, possibly heavy at times,eventually tapering off in the pre-dawn hours. Lows will be in the lower 20s with winds out of the northwest at 25 to 40 MPH with gusts up to 55 possible, especially in the evening.

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Your long-term forecast: While the weekend will be colder than in recent days, the good news is that Saturday through Monday is expected to remain dry, with temperatures only slightly below average. Daytime highs for the period will remain fairly steady in the lower 30s, with overnight lows ranging from the upper teens to the mid 20s.

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