Weather Update for Dec. 30
The National Weather Service has issued a Winter Storm Warning for the next 24 hours, beginning at 5 p.m. Sunday, Dec. 30.
A strong cold front is expected to cross the region tonight, along with an upper level system that will bring with it snow and gusty winds. In Gillette, 5 to 9 inches of snow is expected, with winds gusting up to 40 mph. The most snowfall is expected in the northern Black Hills, with between 8 and 12 inches of snow.
Between 1 and 3 inches of additional snow accumulation is expected this evening.
Overnight, snow could be heavy at times. Widespread blowing snow will make travel difficult. Tonight’s low is expected to drop to around 3, with wind chill values between -4 and -14. New snow accumulation of 4 to 8 inches is possible by Monday morning.
It won’t warm up much on New Year’s Eve. Wind chills are expected to drop as low as 20 below zero.
In comparison, New Year’s Day will feel like a heat wave. Expect sunny skies, with a high near 12. and south winds 9 to 11 mph.