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Winter storm warning continues for Cheyenne; below-normal temps set in

Interstate 80 at mile marker 353 near Cheyenne at 7:31 a.m. on Friday, Nov. 24, 2023. (Wyoming Department of Transportation)

CHEYENNE, Wyo. — It’s a frosty Black Friday morning for Cheyenne after a Thanksgiving snowstorm dropped about 4.8 inches of fresh powder at the National Weather Service in Cheyenne’s office.

A winter storm warning for Laramie County continues today through 5 a.m. Saturday, Nov. 25. Last updated at about 2:45 a.m. Friday, the warning says additional snow accumulations of 4–8 inches are possible. Winds will gust at 40–50 mph in the southern Laramie Range.

Most roads in and around Cheyenne are snow-covered with a sheet of ice underneath. The Wyoming Department of Transportation is warning of no unnecessary travel on many of the state’s highways.

Several areas of the state have been hit harder than Cheyenne. The National Weather Service in Riverton reported more than 12 inches of snow in Riverton at around 11 p.m. Thursday. Lander reported around 18 inches. Casper has seen about 6.4 inches.

This storm system is expected to move out of the area by daybreak Saturday. Until then, snow and wind will continue across most of central and southeastern Wyoming.

“Daytime highs will struggle to get out of the single digits to teens today, and overnight lows in the lower single digits to negative single digits will keep similar outdoor weather conditions through Saturday morning,” meteorologists wrote in the forecast discussion.

Today’s forecast calls for an 80% chance of snow, falling to 50% by this afternoon. The high will be 14, just 2 degrees higher than the temperature at 6:53 a.m. Windchill values will be between minus 5 and 0 as winds come from the southeast at 10–15 mph. Up to another inch of snow is possible in Cheyenne today.

Tonight will see a continued 50% chance for snow. Skies will be cloudy and the low will fall to about 4. Windchill values will remain between minus 5 and 0.

Saturday’s forecast includes a 30% chance for snow, mainly before 11 a.m. Skies will be cloudy and gradually become mostly sunny as the high returns to about 21 degrees. Windchill values will remain between minus 5 and 5 degrees. Saturday night could bring patchy blowing snow after 2 a.m. Skies will be mostly clear and the low will fall to around 11. Blustery conditions with a west-northwest wind of 10–20 mph and gusts reaching 30 mph are expected.

Sunday could see patchy, blowing snow after 11 a.m. Skies will be sunny and the high will return to 32. Overnight, skies will remain mostly clear as the low falls to around 10.

The warming trend continues with a Monday high of 38 under sunny skies, a Tuesday high of 44 under sunny skies and a Wednesday high of 42 with continued sunny skies. Overnight lows each night will be in the mid- to high teens.

More on the weather is available from the National Weather Service in Cheyenne.