A vigorous early season winter storm brought moderate to heavy snowfall and strong northerly winds to much of east central, south central and southeast Wyoming.  Wind gusts to 50 mph created blizzard conditions in some areas where visibilities were reduced to near zero and snow drifts of two to eight feet.  Several roads and highways were closed, including Interstate 25 from north of Cheyenne to Douglas and Interstate 25 from west of Cheyenne to Rawlins.  Total snow accumulations ranged from six to 24 inches.

Winter Storm in SIERRA MADRE RANGE, WYOMING
From 03-OCT-13 21:00:00 to 04-OCT-13 18:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

Twelve to 20 inches of snow was estimated by SNOTEL sites in the Sierra Madre Range.  Winds gusted as high as 45 mph which created very low visibilities and adverse travel through the mountain passes.

Winter Storm in SNOWY RANGE, WYOMING
From 03-OCT-13 21:00:00 to 04-OCT-13 18:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

Twelve to 18 inches of snow was estimated by SNOTEL sites in the Snowy Range.  Wind gusts to 45 mph created very low visibilities and adverse travel conditions for mountain passes.

Winter Storm in CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY, WYOMING
From 04-OCT-13 00:00:00 to 04-OCT-13 18:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Seven inches of snow was reported eight miles southwest of Wheatland.

Winter Storm in SOUTH LARAMIE RANGE, WYOMING
From 04-OCT-13 00:00:00 to 04-OCT-13 18:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Twelve inches of snow was observed 12 miles east-northeast of Bosler.

Winter Storm in SOUTH LARAMIE RANGE FOOTHILLS, WYOMING
From 04-OCT-13 00:00:00 to 04-OCT-13 18:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Eight inches of snow was measured at Horse Creek.

Winter Storm in UPPER NORTH PLATTE RIVER BASIN, WYOMING
From 03-OCT-13 21:00:00 to 04-OCT-13 18:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Nine inches of snow was reported in Saratoga, with eight inches in Riverside.

Winter Storm in CENTRAL LARAMIE COUNTY, WYOMING
From 04-OCT-13 00:00:00 to 04-OCT-13 18:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Other Federal Agency

Six inches of snow was reported at FE Warren Air Force Base.  Seven inches of snow was reported seven miles northeast of Cheyenne.

Blizzard in GOSHEN COUNTY, WYOMING
From 04-OCT-13 00:00:00 to 04-OCT-13 18:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

The northern half of the county experienced blizzard conditions with heavy snow and winds gusting to 45 mph.  Several county and secondary roads were closed by snow drifts as high as four feet.  Total snow accumulations ranged from four inches south to 14 inches north.

Winter Storm in SOUTHWEST CARBON COUNTY, WYOMING
From 03-OCT-13 21:00:00 to 04-OCT-13 18:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Eight inches of snow was reported in Baggs.

Winter Storm in CENTRAL CARBON COUNTY, WYOMING
From 03-OCT-13 21:00:00 to 04-OCT-13 18:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Nine inches of snow was reported in Rawlins.  Six inches of snow was observed 16 miles east of Sinclair.  Interstate 80 webcams indicated very poor visibilities in blowing snow from wind gusts of 35 to 45 mph.

Winter Storm in SHIRLEY BASIN, WYOMING
From 03-OCT-13 21:00:00 to 04-OCT-13 18:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Nine and a half inches of snow was reported in Shirley Basin.

Winter Storm in FERRIS/SEMINOE/SHIRLEY MOUNTAINS, WYOMING
From 03-OCT-13 21:00:00 to 04-OCT-13 18:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Eighteen inches of snow was reported in Muddy Gap.  Fourteen inches of snow was reported eight miles east of Seminoe Dam.

Winter Storm in LARAMIE VALLEY, WYOMING
From 04-OCT-13 00:00:00 to 04-OCT-13 18:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Ten inches of snow was reported in Laramie, with 12 inches a mile south of Laramie.

Winter Storm in NORTH SNOWY RANGE FOOTHILLS, WYOMING
From 03-OCT-13 21:00:00 to 04-OCT-13 18:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Ten inches of snow was reported at Elk Mountain.  Seven inches accumulated in Arlington.  Interstate 80 webcams indicated very poor visibilities in blowing snow from wind gusts of 35 to 45 mph.

Blizzard in NIOBRARA COUNTY, WYOMING
From 03-OCT-13 21:00:00 to 05-OCT-13 00:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

The county experienced heavy snow with winds gusting as high as 50 mph.  Visibilities were frequently near zero.  Many county and secondary roads were closed.  Total snowfall amounts ranged from 12 to 20 inches.  There were widespread snow drifts of four to eight feet.

Blizzard in CONVERSE COUNTY LOWER ELEVATIONS, WYOMING
From 03-OCT-13 21:00:00 to 05-OCT-13 00:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Blizzard conditions were reported from Douglas to Bill to Glenrock.  Winds gusted as high as 50 mph with heavy snow that reduced visibilities to near zero.  Interstate 25 was closed from the Platte-Converse county line to near Glenrock.  Most county and secondary roads were closed due to snow drifts of four to six feet.  Total snow accumulations ranged from 12 to 24 inches.

Blizzard in EAST PLATTE COUNTY, WYOMING
From 03-OCT-13 21:00:00 to 04-OCT-13 18:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Blizzard conditions occurred as heavy snow combined with winds gusting as high as 45 mph.  Visibilities were frequently near zero.  Interstate 25 was closed as well as several county and secondary roads from snow drifts as high as four feet.  Total snow accumulations of 6 to 12 inches were reported.

Winter Storm in NORTH LARAMIE RANGE, WYOMING
From 04-OCT-13 00:00:00 to 04-OCT-13 18:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

Twelve to 16 inches of snow was estimated by SNOTEL sites in the North Laramie Range.  Gusty winds to 45 mph created very poor visibilities and adverse travel conditions through mountains passes.