National Weather Summary for Thursday, December 28, 2017
by David Moran, on Dec 28, 2017 10:47:38 AM
Snow will continue for the Northern Rockies and Northern High Plains through Saturday as an area of low pressure moves into the region.
- Snow for the Northern Rockies and Northern High Plains through Saturday
Snow for the Northern Rockies and Northern High Plains through Saturday
A winter storm will bring accumulating snow to portions of the Northern Rockies and the Northern High Plains through Saturday. Accumulations of 4-8 inches with locally heavier amounts in excess of 12 inches, as well as some light ice accumulation, are forecast across eastern Washington through noon on Friday. Snow will increase in intensity on Friday as an area of low pressure moves into the region. Across northern Idaho and western Montana, snow accumulations of 12-20 inches with locally higher amounts in excess of 2 feet are expected in the higher elevations through early Saturday evening. For central Montana, 10-15 inches of snow are expected in the Plains and 2-3 feet in the mountains through late Saturday evening. Visibility will be less than a quarter mile at times and wind chills will fall to -15°F to -30°F. For eastern Montana, snow accumulations will range 10-15 inches in the lower elevations. Accumulations in excess of 16 inches are expected in the higher elevations.
Major Cities in Region: Spokane, WA, Missoula, MT, Helena, MT, Great Falls, MT, Billings, MT
A Look Ahead
By Sunday, an Arctic air mass will make its way into the Central and Southern Plains. Light snow may develop across the Southern Plains during the day and evening, but accumulations should be less than an inch. A cold front will push offshore New Year's Day, allowing for the potential for light wintry precipitation along the Mid Atlantic coast.
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