Bogus Basin could get 6 inches of snow by late Wednesday; winter weather advisory issued for mountains

January 28, 2014 

What does purple on this map mean? Winter weather advisory. Get ready for snow in the mountains.

A much-anticipated system from the Pacific Ocean is on track to bring freezing rain and snow to Southwest Idaho on Wednesday, possibly making the morning commute in the Treasure Valley treacherous and dumping up to 6 inches of snow at Bogus Basin Mountain Recreation Area.

The Valley may get freezing rain and/or snow after 5 a.m. Wednesday, a meteorologist said. The forecast high for the day is 40 degrees, so any precipitation later in the day will be rain. The Foothills will get 1 to 3 inches of snow.

A winter weather advisory has been issued for snow in the West Central mountains and Boise mountains, Upper Weiser River Basin and Oregon's Baker County. The advisory is in effect from 10 p.m. Tuesday until 5 p.m. Wednesday.

Forecasters say areas at 4,000 feet should get 2 to 4 inches of snow, while those above 6,000 feet may get as much as 10 inches. The Upper Weiser Basin is expected to get freezing rain.

Winds will be southeast to southwest at 5 to 15 mph Wednesday morning, shifting to 10 to 20 mph in the afternoon. Prepare for gusts of up to 35 mph.

Many Valley residents are looking forward to the system, which is expected to break up the inversion that has trapped pollution and kept skies gray for two weeks.

So will Boise see the sun on Wednesday? It's possible that the sun could break through in the late afternoon — but only briefly, a meteorologist said.

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