Detailed Forecast for Dec. 16, 2016

Colder air moving back in, turning our rain showers back to scattered snow. ARCTIC air returns for the weekend, with highs near 10° and sub-zero overnight lows. Friday, periods of heavy snow expected as temps plummet throughout the day. Gusty winds creating blowing snow and very low visibilities at times. Dangerous driving conditions. Many areas can expect 2-4″ with much more expected in the mountains and other pockets. Chance of snow 100%. Tonight, a flash freeze expected as temps drop well below zero. WIND CHILL WARNING in effect for -20 to -40 feels like temps. Any liquid or standing water will quickly freeze, causing issues. Snow coming to an end. Saturday, Areas of fog. Otherwise, partly sunny, with a high from 0° to 10°. Saturday night, chance of fog and a few flurries, lows around 0° to -10° for the Snake River Plain. Sunday, Partly sunny with some fog and a few flurries. A high temp near 7°.