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The National Weather Service has issued an overnight winter weather advisory for much of the Front Range --including Boulder County -- as rain showers are expected to transition to snow this evening, possibly blanketing much of the area in a few fresh inches.

The advisory officially takes effect at 8 tonight, and will remain in place until 3 a.m.

The weather service says widespread rain will begin falling across the area this evening, with a changeover to snow expected between 8 and 10 p.m. Heavy snowfall is possible at times before the storm dissipates before daybreak Wednesday, according to the service.

Motorists are warned to be prepared for rapidly changing road conditions, as streets could become icy and slick as heavier snow develops.

Between 3 and 6 inches of new snow accumulation is expected, according to the weather service, with the foothills expected to be hit the hardest.

Local meteorologist Matt Kelsch, in an email this afternoon, said that the Boulder area likely reached its peak temperature for the day shortly after noon. He said that snow totals from the storm could be highly variable, in part because some areas will receive much of the moisture as rainfall.

He said the most likely scenario is that the lower elevations will receive between 1 and 3 inches of new snow, with some localized areas receiving more, while higher elevation areas will receive between 3 and 6 inches.

The overnight low in Boulder is expected to be near 27 degrees.

Wednesday's forecast calls for sunny skies with a high of 48 and winds 6 to 13 mph with gusts as high as 20 mph. The overnight low is expected to be near 32, with winds 5 to 11 mph with gusts as high as 17 mph.

Thursday's forecast calls for partly sunny skies with a high of 65 and winds 14 to 16 mph with gusts as high as 24 mph. The overnight low is expected to be near 36.