A pair of cold fronts moved across Wyoming and brought areas of heavy snow across northern and western portions of the state. The Big Horn Mountains saw heavy snow with some notable amounts including 20 inches at the Powder River SNOTEL and 16 inches at Shell Creek. Some of the other high amounts in the mountains included 19 inches at Evening Star in the Absarokas, 16 inches at Blind Bull Summit in the Salt and Wyoming Range and 13 inches at Togwotee Pass in the Tetons. In the Big Horn Basin, 10 inches of snow fell at Ten Sleep and anywhere from 6 to 9 inches in the Greybull area. In addition, an intense snow squall developed in western Fremont County and moved at speeds of up to 70 mph across the Wind River Basin. Wind gusts of up 77 mph were reported, and the intense winds destroyed a trailer on the Wind River Indian Reservation.

Winter Storm in TETON & GROS VENTRE MOUNTAINS, WYOMING
From 04-FEB-18 06:00:00 to 05-FEB-18 09:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

The SNOTEL at Togwotee pass measured 13 inches of new snow.

Winter Storm in ABSAROKA MOUNTAINS, WYOMING
From 04-FEB-18 01:00:00 to 05-FEB-18 16:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

Heavy snow fell in portions of the Absarokas. Some of the higher snowfall amounts included 19 inches at the Evening Star SNOTEL and 18 inches at the Beartooth Lake SNOTEL.

High Wind in LANDER FOOTHILLS, WYOMING
From 05-FEB-18 00:53:00 to 05-FEB-18 01:12:00 (MST-7)
Magnitude: 58.00 MG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: ASOS

An intense snow squall brought high winds to the Lander Foothills. The maximum wind gusts recorded was 67 mph at the Lander airport. At Boulder Flats, the high winds ripped the siding and roof off of a mobile home, leaving 21 people temporarily homeless.

Winter Storm in BIGHORN MOUNTAINS WEST, WYOMING
From 03-FEB-18 20:00:00 to 05-FEB-18 17:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

Heavy snow fell along the western slopes of the Big Horns. Some of the higher amounts included 16 inches at Shell Creek and 20 inches at the Cloud Peak SNOTEL.

Winter Storm in NORTH BIG HORN BASIN, WYOMING
From 04-FEB-18 00:30:00 to 05-FEB-18 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Heavy snow in eastern portions of the zone, with anywhere from 5 to 10 inches from Lovell to Greybull. Snow amounts dropped rapidly further west.

Winter Storm in SOUTHEAST BIG HORN BASIN, WYOMING
From 04-FEB-18 08:00:00 to 05-FEB-18 13:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Heavy snow fell around Ten Sleep with anywhere from 4 to 10 inches measured. Much less snow fell further west with less than an inch around Worland.

Winter Storm in SALT RIVER & WYOMING RANGES, WYOMING
From 04-FEB-18 13:00:00 to 05-FEB-18 06:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

Heavy snow fell in portions of the Salt and Wyoming Range. Some of the higher amounts include 16 inches at Blind Bull Summit and 15 inches at Commissary Ridge.

High Wind in UPPER WIND RIVER BASIN, WYOMING
From 04-FEB-18 23:50:00 to 05-FEB-18 00:19:00 (MST-7)
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A narrow and intense snow squall brought a period of high winds to the Upper Wind River Basin. The weather stations at DuBois and Crowheart both reported 60 mph wind gusts.

High Wind in UPPER WIND RIVER BASIN, WYOMING
From 05-FEB-18 00:45:00 to 05-FEB-18 01:46:00 (MST-7)
Magnitude: 67.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

A narrow and intense snow squall brought high winds to the Wind River Basin. Some of the strongest winds included 77 mph at the Sharpnose RAWS site and 65 mph at the Riverton ASOS.