Colorado weather: Arctic blast to bring sub-zero windchills and snow

A blast of arctic air will drop overnight temperatures across Colorado into the single digits this week, and it’s expected feel even colder with wind chill, according to the National Weather Service.

Temperatures are expected to drop Thursday night into Friday morning, and the freezing weather is forecast into Sunday, according to the weather service. Snow will likely accompany the arctic blast across Colorado, forecasters said.

With wind chill, according to the weather service, Friday’s temperature forecasts include lows of:

• 2 degrees below zero in Denver
• 3 degrees below zero in Castle Rock
• 6 degrees below zero in Longmont
• 8 degrees below zero in Fort Collins
• 12 degrees below zero in Greeley and Kiowa
• 18 degrees below zero in Fort Morgan and Julesburg
• And 20 degrees below zero in Limon

The sub-zero temperatures are expected to continue into Saturday and Sunday, with weather service meteorologists forecasting wind chill lows of:

• Zero degrees on Saturday and 8 degrees below zero on Sunday in Evergreen
• 5 degrees below zero on Saturday and 2 degrees below zero on Sunday in Denver
• 5 degrees below zero on Saturday and 4 degrees below zero on Sunday in Longmont
• 6 degrees below zero on Saturday and 4 degrees below zero on Sunday in Castle Rock
• 8 degrees below zero on Saturday and 9 degrees below zero on Sunday in Fort Collins
• 12 degrees below zero on Saturday and 10 degrees below zero on Sunday in Greeley
• 20 degrees below zero on Saturday and 12 degrees below zero on Sunday in Fort Morgan
• 20 degrees below zero on Saturday and 14 degrees below zero on Sunday in Limon
• And 21 degrees below zero on Saturday and 15 degrees below zero on Sunday in Julesburg

As of Wednesday morning, the weather service’s snow forecasts extended through 5 a.m. Saturday and included up to:

• 2 inches in Aurora, Brighton, Broomfield, Castle Rock, Centennial, Commerce City, Denver, Highlands Ranch, Lakewood, Littleton, Northglenn and Parker
• 3 inches in Arvada, Conifer, Evergreen, Golden and Lafayette
• 5 inches in Eldora and on Colorado 125’s Willow Creek Pass near Granby
• 6 inches on U.S. 40’s Rabbit Ears Pass near Steamboat Springs, Colorado 9’s Hoosier Pass near Breckenridge and U.S. 34’s Milner Pass in Rocky Mountain National Park
• 7 inches on U.S. 6’s Loveland Pass and Colorado 14’s Cameron Pass near Fort Collins, and in Winter Park
• And 8 inches on U.S. 40’s Berthoud Pass near Winter Park and Interstate 70’s Vail Pass

Snow will be possible in the Denver area between 11 p.m. Thursday and 4 p.m. Saturday, and will likely continue into Sunday evening in the mountains, so the snow forecasts are expected to grow.

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