A Pacific low pressure system tracked east across southern Wyoming and northern Colorado and produced periods of moderate to heavy snow across much of south central and southeast Wyoming.  Gusty west to northwest winds created areas of blowing and drifting snow with poor visibilities.  Interstate 80 was closed both directions from Cheyenne to Rawlins for several hours.  Snow totals varied between six and 18 inches.

Winter Storm in SNOWY RANGE, WYOMING
From 08-OCT-17 18:00:00 to 09-OCT-17 12:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

The Sand Lake SNOTEL site (elevation 10050 ft) estimated 12 inches of snow.

Winter Storm in SNOWY RANGE, WYOMING
From 08-OCT-17 18:00:00 to 09-OCT-17 12:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

The Cinnabar Park SNOTEL site (elevation 9574 ft) estimated 18 inches of snow.

Winter Storm in CENTRAL LARAMIE COUNTY, WYOMING
From 08-OCT-17 18:00:00 to 09-OCT-17 12:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Six inches of snow was measured two miles east of Cheyenne.

Winter Storm in SOUTH LARAMIE RANGE, WYOMING
From 08-OCT-17 18:00:00 to 09-OCT-17 12:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Ten inches of snow was measured 20 miles west-southwest of FE Warren AFB.

Winter Storm in LARAMIE VALLEY, WYOMING
From 08-OCT-17 18:00:00 to 09-OCT-17 12:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Nine inches of snow was measured 18 miles south of Rock River.

Winter Storm in UPPER NORTH PLATTE RIVER BASIN, WYOMING
From 08-OCT-17 18:00:00 to 09-OCT-17 12:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Seven inches of snow was measured at Riverside.

Winter Storm in NORTH SNOWY RANGE FOOTHILLS, WYOMING
From 08-OCT-17 18:00:00 to 09-OCT-17 12:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Eight inches of snow was measured nine miles west-southwest of Rock River.

Winter Storm in CENTRAL LARAMIE COUNTY, WYOMING
From 08-OCT-17 18:00:00 to 09-OCT-17 12:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Six and a half inches of snow was measured two miles east-northeast of Cheyenne.

Winter Storm in CENTRAL LARAMIE COUNTY, WYOMING
From 08-OCT-17 18:00:00 to 09-OCT-17 12:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Six inches of snow was measured three miles north-northwest of Cheyenne.

Winter Storm in CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY, WYOMING
From 08-OCT-17 18:00:00 to 09-OCT-17 12:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Seven inches of snow was observed 10 miles west of Chugwater.

Winter Storm in SOUTH LARAMIE RANGE FOOTHILLS, WYOMING
From 08-OCT-17 18:00:00 to 09-OCT-17 12:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Nine inches of snow was observed 10 miles west-southwest of Cheyenne.

Winter Storm in LARAMIE VALLEY, WYOMING
From 08-OCT-17 18:00:00 to 09-OCT-17 12:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Eight inches of snow was observed 25 miles southwest of Laramie.

Winter Storm in SOUTH LARAMIE RANGE FOOTHILLS, WYOMING
From 08-OCT-17 18:00:00 to 09-OCT-17 12:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Nine and a half inches of snow was observed a mile north of Federal.

Winter Storm in LARAMIE VALLEY, WYOMING
From 08-OCT-17 18:00:00 to 09-OCT-17 12:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Six inches of snow was measured three miles south-southwest of Laramie.

Winter Storm in SOUTH LARAMIE RANGE FOOTHILLS, WYOMING
From 08-OCT-17 18:00:00 to 09-OCT-17 12:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Six inches of snow was measured 12 miles west-northwest of Cheyenne.

Winter Storm in CENTRAL LARAMIE COUNTY, WYOMING
From 08-OCT-17 18:00:00 to 09-OCT-17 12:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Six and a half inches of snow was measured 10.5 miles north of Cheyenne.

Winter Storm in CENTRAL LARAMIE COUNTY, WYOMING
From 08-OCT-17 18:00:00 to 09-OCT-17 12:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Seven and a half inches of snow was observed six miles northeast of Cheyenne.

Winter Storm in CENTRAL LARAMIE COUNTY, WYOMING
From 08-OCT-17 18:00:00 to 09-OCT-17 12:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Seven inches of snow was observed a mile northeast of Cheyenne.

Winter Storm in CENTRAL LARAMIE COUNTY, WYOMING
From 08-OCT-17 18:00:00 to 09-OCT-17 12:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Seven inches of snow was observed two miles east of Cheyenne.

Winter Storm in SOUTH LARAMIE RANGE FOOTHILLS, WYOMING
From 08-OCT-17 18:00:00 to 09-OCT-17 12:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Six and a half inches of snow was observed 15 miles northwest of Cheyenne.

Winter Storm in CENTRAL LARAMIE COUNTY, WYOMING
From 08-OCT-17 18:00:00 to 09-OCT-17 12:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

An observer two miles west of Cheyenne measured seven inches of snow.