After a short break the morning of the 7th, strong winds returned to the Arlington and Elk Mountain areas resulting in Interstate 80 closing between Laramie and Rawlins to light, high-profile vehicles for the rest of the day on the 7th and all day on the 8th. Additionally, restrictions were placed along Interstate 25 as the Bordeaux gap area recorded wind gusts to 75 MPH. Strong winds were observed along Interstate 25 from the WY/CO state border up towards Casper.

High Wind in LARAMIE VALLEY, WYOMING
From 08-DEC-21 13:47:00 to 09-DEC-21 00:06:00 (MST-7)
Magnitude: 54.00 MG
Reported by: ASOS

Laramie Airport ASOS station (KLAR) measured maximum wind gust at 1:47 PM MST. WYDOT mesonet station Quealy Dome (WY26) along Interstate 80 also reported high winds.

High Wind in CENTRAL LARAMIE COUNTY, WYOMING
From 07-DEC-21 17:16:00 to 07-DEC-21 17:24:00 (MST-7)
Magnitude: 50.00 MG
Reported by: Department of Highways

WYDOT mesonet station Bear Creek (WY40) along Interstate 25 measured maximum wind gust 8 miles south of Chugwater.

High Wind in NORTH SNOWY RANGE FOOTHILLS, WYOMING
From 07-DEC-21 12:16:00 to 09-DEC-21 00:32:00 (MST-7)
Magnitude: 62.00 MG
Reported by: Department of Highways

Multiple WYDOT mesonet stations reported high winds with gusts 60-70 MPH. WYDOT mesonet station along Interstate 80 at County Road 402 (WY20) measured maximum wind gust 3 miles east-southeast of Elk Mountain at 12:00 AM MST on December 8th. Interstate 80 between Laramie and Rawlins was closed to light, high-profile vehicles all day on the 7th and 8th.

High Wind in SOUTH LARAMIE RANGE, WYOMING
From 07-DEC-21 21:22:00 to 08-DEC-21 21:07:00 (MST-7)
Magnitude: 54.00 MG
Reported by: Department of Highways

WYDOT mesonet station Lone Tree (WY36) along Interstate 80 and multiple Union Pacific Railroad mesonet stations reported high winds. UPR mesonet station SHERWS (UR535) measured maximum wind gust 2 miles west-northwest of Buford at 9:22 PM MST on December 7th.

High Wind in CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY, WYOMING
From 08-DEC-21 02:54:00 to 09-DEC-21 01:08:00 (MST-7)
Magnitude: 65.00 MG
Reported by: Department of Highways

WYDOT mesonet station Bordeaux (KBRX) along Interstate 25 measured maximum wind gust 9 miles south of Wheatland at 8:34 AM MST on December 8th. Interstate 25 between Cheyenne and Wheatland was closed to light, high-profile vehicles for 16 hours.

High Wind in CONVERSE COUNTY LOWER ELEVATIONS, WYOMING
From 08-DEC-21 06:30:00 to 08-DEC-21 12:46:00 (MST-7)
Magnitude: 56.00 MG
Reported by: Department of Highways

WYDOT mesonet station Deer Creek (KDRC) along Interstate 25 measured wind gusts 58-62 MPH 1 mile south of Glenrock during this time. CWOP mesonet station EW6313 Douglas measured maximum wind gust 6 miles south of Douglas at 10:30 AM MST on December 8th. Interstate 25 between Douglas and Casper was closed to light, high-profile vehicles for 5 hours.

High Wind in SHIRLEY BASIN, WYOMING
From 08-DEC-21 09:22:00 to 08-DEC-21 12:00:00 (MST-7)
Magnitude: 60.00 MG
Reported by: Department of Highways

WYDOT mesonet station Shirley Rim (WY44) along WY487 measured maximum wind gust 2 miles northwest of Shirley Basin at 10:30 AM MST on December 8th.

High Wind in EAST PLATTE COUNTY, WYOMING
From 08-DEC-21 11:18:00 to 09-DEC-21 01:48:00 (MST-7)
Magnitude: 53.00 MG
Reported by: Department of Highways

WYDOT mesonet station Coleman (WY1) along Interstate 25 measured maximum wind gust 13 miles south of Glendo at 12:24 PM MST on December 8th. Interstate 25 between Wheatland and Douglas was closed to light, high-profile vehicles for around 4 hours.