Strong winds quickly returned to much of southeast Wyoming with gusts as high as 75 MPH being reported in Rawlins. Interstate 25 and 80 not only closed to light, high-profile vehicles, but also had to close due to winter conditions at times as a snow squall moved across Carbon and Albany Counties resulting in whiteout conditions. Additionally, the Snowy and Sierra Madre Mountains received 2 to 3 feet of snowfall on the 26th and 27th.

High Wind in FERRIS/SEMINOE/SHIRLEY MOUNTAINS, WYOMING
From 26-DEC-21 12:50:00 to 26-DEC-21 18:50:00 (MST-7)
Magnitude: 58.00 MG
Reported by: RAWS

RAWS mesonet station Camp Creek (CAMW4) measured maximum wind gust 4 miles west of Muddy Gap.

High Wind in CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY, WYOMING
From 26-DEC-21 14:06:00 to 26-DEC-21 18:10:00 (MST-7)
Magnitude: 55.00 MG
Reported by: Department of Highways

WYDOT mesonet station Bordeaux (KBRX) along Interstate 25 measured maximum wind gust 9 miles south of Wheatland. Interstate 25 between Cheyenne and Wheatland was closed to light, high-profile vehicles for 4 hours.

High Wind in EAST PLATTE COUNTY, WYOMING
From 26-DEC-21 14:48:00 to 26-DEC-21 23:44:00 (MST-7)
Magnitude: 56.00 MG
Reported by: Department of Highways

WYDOT mesonet station Coleman (WY1) along Interstate 25 measured maximum wind gust 13 miles south of Glendo at 11:26 PM MST on the 26th. Interstate 25 between Wheatland and Douglas was closed to light, high-profile vehicles for over 11 hours.

High Wind in GOSHEN COUNTY, WYOMING
From 26-DEC-21 15:10:00 to 26-DEC-21 15:10:00 (MST-7)
Magnitude: 52.00 MG
Reported by: ASOS

Torrington Airport ASOS station (KTOR) measured maximum wind gust.

High Wind in CENTRAL CARBON COUNTY, WYOMING
From 26-DEC-21 11:15:00 to 26-DEC-21 18:32:00 (MST-7)
Magnitude: 65.00 MG
Reported by: ASOS

Rawlins Airport ASOS station (KRWL) measured maximum wind gust at 12:07 PM MST on the 26th. Multiple WYDOT and Union Pacific Railroad mesonet stations also reported high winds with gusts 60 to 70 MPH.

High Wind in NORTH SNOWY RANGE FOOTHILLS, WYOMING
From 26-DEC-21 10:48:00 to 26-DEC-21 21:28:00 (MST-7)
Magnitude: 62.00 MG
Reported by: Department of Highways

Multiple WYDOT mesonet stations reported high winds with gusts 60 to 70 MPH. WYDOT mesonet station along Interstate 80 at County Road 402 (WY20) measured maximum wind gust at 6:34 PM MST on the 26th. Interstate 80 between Laramie and Rawlins was closed for an extended period of time due to strong winds and blowing snow.

High Wind in UPPER NORTH PLATTE RIVER BASIN, WYOMING
From 26-DEC-21 12:54:00 to 26-DEC-21 14:26:00 (MST-7)
Magnitude: 51.00 MG
Reported by: Department of Highways

WYDOT mesonet station Skyline (KSKL) along WY230 measured maximum wind gust 12 miles east-southeast of Encampment.

High Wind in LARAMIE VALLEY, WYOMING
From 26-DEC-21 14:00:00 to 26-DEC-21 14:06:00 (MST-7)
Magnitude: 54.00 MG
Reported by: ASOS

Laramie Airport ASOS station (KLAR) measured maximum wind gust.

High Wind in CENTRAL LARAMIE COUNTY, WYOMING
From 26-DEC-21 14:26:00 to 26-DEC-21 14:34:00 (MST-7)
Magnitude: 55.00 MG
Reported by: Department of Highways

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

Winter Weather in NORTH SNOWY RANGE FOOTHILLS, WYOMING
From 26-DEC-21 12:21:00 to 26-DEC-21 13:46:00 (MST-7)
Reported by: Department of Highways

WYDOT mesonet stations reported strong winds gusting 40 to 50 MPH and near zero visibility with a passing snow squall. CoCoRaHS observers reported snow accumulation around 1 to 2 inches. Interstate 80 between Laramie and Rawlins closed due to winter conditions.

Winter Weather in LARAMIE VALLEY, WYOMING
From 26-DEC-21 13:30:00 to 26-DEC-21 14:27:00 (MST-7)
Reported by: ASOS

Laramie Airport ASOS station (KLAR) reported one-quarter mile visibility and winds gusting 40 to 60 MPH with a passing snow squall. CoCoRaHS observers reported snow accumulation around 1 to 2 inches.

Winter Weather in CENTRAL CARBON COUNTY, WYOMING
From 26-DEC-21 12:09:00 to 26-DEC-21 12:57:00 (MST-7)
Reported by: ASOS

Rawlins Airport ASOS station (KRWL) reported one-quarter mile visibility and winds gusting 35 to 55 MPH with a passing snow squall.

Winter Weather in SOUTH LARAMIE RANGE, WYOMING
From 26-DEC-21 14:04:00 to 26-DEC-21 15:16:00 (MST-7)
Reported by: Department of Highways

WYDOT mesonet stations reported one-quarter mile visibility and strong winds gusting around 40 MPH with a passing snow squall. Interstate 80 between Laramie and Cheyenne closed due to winter conditions.

Heavy Snow in SIERRA MADRE RANGE, WYOMING
From 25-DEC-21 23:00:00 to 28-DEC-21 06:00:00 (MST-7)
Reported by: SNOTEL

Blackhall Mountain SNOTEL site (elevation 9820 feet) received an estimated 42 inches of snowfall with 2.1 inches of snow water equivalent and 20 to 1 snow ratios. Nearby SNOTEL sites also received an estimated 20 to 30 inches of snowfall.

Heavy Snow in SNOWY RANGE, WYOMING
From 25-DEC-21 23:00:00 to 28-DEC-21 06:00:00 (MST-7)
Reported by: SNOTEL

Med Bow SNOTEL site (elevation 10510 feet) received an estimated 38 inches of snowfall with 1.9 inches of snow water equivalent and 20 to 1 snow ratios. Nearby SNOTEL sites also received an estimated 20 to 30 inches of snowfall.

High Wind in CONVERSE COUNTY LOWER ELEVATIONS, WYOMING
From 26-DEC-21 14:00:00 to 26-DEC-21 15:00:00 (MST-7)
Magnitude: 52.00 MG
Reported by: ASOS

Douglas Airport ASOS station (KDGW) measured maximum wind gust.