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Full closure takes effect on I-25 as heavy snow falls in northern Wyoming; Buffalo hits minus 18 degrees with minus-51-degree windchill

I-25 in northern Wyoming on Wednesday morning. (WYDOT)

CASPER, Wyo. — Heavy snow is falling in areas of northern Wyoming, according to the National Weather Service.

Temperatures have also plummeted with an Arctic cold front moving in. Sheridan is at minus 15 degrees with a windchill value of minus 42 degrees as of 10 a.m. Wednesday, according to the NWS in Billings. Buffalo is even colder at minus 18 degrees with a windchill value of minus 51 degrees, according to the NWS in Riverton.

Interstate 25 is closed to all traffic between Buffalo and Exit 277 near Midwest due to the winter conditions, according to the Wyoming Department of Transportation. I-25 is closed to light, high-profile vehicles between Casper and Cheyenne due to gusting winds, according to WYDOT.

I-90 is closed to all traffic from Sheridan to Buffalo due to a crash. No estimated reopening time has been provided by WYDOT.

Westbound I-80 in southern Wyoming remains closed to all traffic from Rawlins to Laramie due to a crash. The estimated reopening time as of 9 a.m. Wednesday was 4–6 hours, according to WYDOT. I-80 is also closed to light, high-profile traffic from Laramie to Rawlins due to strong winds. Black ice advisories are in effect near Evanston and Lyman.

Multiple other highway closures and travel hazard advisories are in effect across Wyoming. Real-time road condition information is available from WYDOT.