An intense late season snowstorm affected much of southeast Wyoming with moderate to heavy snow and gusty northeast winds of 30 to 40 mph.  Very low visibility in falling and blowing snow closed portions of Interstates 25 and 80.  Snowfall totals ranged from six to eighteen inches.

Winter Storm in NIOBRARA COUNTY, WYOMING
From 09-MAY-15 15:00:00 to 10-MAY-15 14:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Six to twelve inches of snow was reported countywide.

Winter Storm in CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY, WYOMING
From 09-MAY-15 15:00:00 to 10-MAY-15 14:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Eight inches of snow was measured six miles southwest of Wheatland.

Winter Storm in EAST PLATTE COUNTY, WYOMING
From 09-MAY-15 15:00:00 to 10-MAY-15 14:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Eight inches of snow was measured four miles north of Wheatland.

Winter Storm in EAST PLATTE COUNTY, WYOMING
From 09-MAY-15 15:00:00 to 10-MAY-15 14:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Eleven inches of snow was reported 11 miles northeast of Chugwater.

Winter Storm in EAST PLATTE COUNTY, WYOMING
From 09-MAY-15 15:00:00 to 10-MAY-15 14:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Six and a half inches of snow was measured at Guernsey.

Winter Storm in LARAMIE VALLEY, WYOMING
From 09-MAY-15 06:00:00 to 10-MAY-15 14:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Six inches of snow was measured four miles southeast of Laramie.

Winter Storm in GOSHEN COUNTY, WYOMING
From 09-MAY-15 15:00:00 to 10-MAY-15 14:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Nine inches of snow was measured two miles southwest of Fort Laramie.

Winter Storm in EAST PLATTE COUNTY, WYOMING
From 09-MAY-15 15:00:00 to 10-MAY-15 14:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Six inches of snow was measured 13 miles south-southwest of Manville.

Winter Storm in GOSHEN COUNTY, WYOMING
From 09-MAY-15 15:00:00 to 10-MAY-15 14:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Thirteen inches of snow was reported at Torrington.

Winter Storm in GOSHEN COUNTY, WYOMING
From 09-MAY-15 15:00:00 to 10-MAY-15 14:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Eighteen inches of snow was measured 29 miles north of Torrington.

Winter Storm in SOUTH LARAMIE RANGE FOOTHILLS, WYOMING
From 09-MAY-15 15:00:00 to 10-MAY-15 14:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Eight inches of snow was measured 17 miles west-southwest of Cheyenne.

Winter Storm in CENTRAL LARAMIE COUNTY, WYOMING
From 09-MAY-15 15:00:00 to 10-MAY-15 14:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Six inches of snow was measured five miles northeast of Cheyenne.

Winter Storm in SOUTH LARAMIE RANGE, WYOMING
From 09-MAY-15 06:00:00 to 10-MAY-15 14:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Nine inches of snow was measured four miles southeast of Buford.

Winter Storm in CENTRAL LARAMIE COUNTY, WYOMING
From 09-MAY-15 15:00:00 to 10-MAY-15 14:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Six inches of snow was reported seven miles northeast of Cheyenne.

Winter Storm in EAST LARAMIE COUNTY, WYOMING
From 09-MAY-15 15:00:00 to 10-MAY-15 14:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Six inches of snow was measured seven miles southeast of Burns.

Winter Storm in GOSHEN COUNTY, WYOMING
From 09-MAY-15 15:00:00 to 10-MAY-15 14:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A foot of snow was reported at Lingle.

Winter Storm in EAST PLATTE COUNTY, WYOMING
From 09-MAY-15 15:00:00 to 10-MAY-15 14:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Twelve and a half inches of snow was reported at Glendo.

Winter Storm in FERRIS/SEMINOE/SHIRLEY MOUNTAINS, WYOMING
From 09-MAY-15 06:00:00 to 10-MAY-15 14:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Eight inches of snow was measured at Muddy Gap.

Winter Storm in GOSHEN COUNTY, WYOMING
From 09-MAY-15 15:00:00 to 10-MAY-15 14:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Eleven inches of snow was measured at Yoder.

Winter Storm in EAST PLATTE COUNTY, WYOMING
From 09-MAY-15 15:00:00 to 10-MAY-15 14:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Eight inches of snow was measured five miles south of Guernsey.

Winter Storm in SIERRA MADRE RANGE, WYOMING
From 09-MAY-15 06:00:00 to 10-MAY-15 14:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

The Whiskey Park SNOTEL site (elevation 8950 ft) estimated 13.2 inches of snow.

Winter Storm in SIERRA MADRE RANGE, WYOMING
From 09-MAY-15 06:00:00 to 10-MAY-15 14:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

The Blackhall Mountain SNOTEL site (elevation 9820 ft) estimated 12 inches of snow.

Winter Storm in SNOWY RANGE, WYOMING
From 09-MAY-15 06:00:00 to 10-MAY-15 14:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

The Medicine Bow SNOTEL site (elevation 10510 ft) estimated 12 inches of snow.

Winter Storm in SNOWY RANGE, WYOMING
From 09-MAY-15 06:00:00 to 10-MAY-15 14:00:00 (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 SOUTH LARAMIE RANGE, WYOMING
From 09-MAY-15 06:00:00 to 10-MAY-15 14:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

The Crow Creek SNOTEL site (elevation 8330 ft) estimated 12 inches of snow.

Winter Storm in NORTH LARAMIE RANGE, WYOMING
From 09-MAY-15 06:00:00 to 10-MAY-15 14:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

The Windy Peak SNOTEL site (elevation 7900 ft) estimated 12 inches of snow.

Winter Storm in FERRIS/SEMINOE/SHIRLEY MOUNTAINS, WYOMING
From 09-MAY-15 06:00:00 to 10-MAY-15 14:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Six inches of snow was measured near Seminoe Dam.

Winter Storm in SHIRLEY BASIN, WYOMING
From 09-MAY-15 12:00:00 to 10-MAY-15 14:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Six inches of snow was measured at Medicine Bow.

Winter Storm in NORTH SNOWY RANGE FOOTHILLS, WYOMING
From 09-MAY-15 06:00:00 to 10-MAY-15 14:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Seven inches of snow was reported at Elk Mountain.

Winter Storm in CONVERSE COUNTY LOWER ELEVATIONS, WYOMING
From 09-MAY-15 15:00:00 to 10-MAY-15 14:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Six to seventeen inches of snow was reported countywide.