Widespread snow and wind occurred across southeast and central Idaho.

Winter Storm in BEAR LAKE VALLEY, IDAHO
From 11-FEB-21 18:00:00 to 14-FEB-21 10:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

The Bern COOP observer measured 11.5 inches of snow in the multi day elongated system.

Winter Storm in BEAR RIVER RANGE, IDAHO
From 11-FEB-21 18:00:00 to 14-FEB-21 12:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

Estimated 3 day totals at the SNOTEL sites were 25 inches at Emigrant Summit and 31 inches at Franklin Basin.

Winter Storm in BIG HOLE MOUNTAINS, IDAHO
From 11-FEB-21 19:00:00 to 14-FEB-21 13:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

Estimated snow amounts over the 3 day period at the Pine Creek Pass SNOTEL were 17 inches.

Winter Weather in CENTENNIAL MOUNTAINS-ISLAND PARK, IDAHO
From 11-FEB-21 18:00:00 to 14-FEB-21 14:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

The Crab Creek SNOTEL estimated 23 inches of snow.   The Island Park SNOTEL estimated 11.7 inches of snow and the White Elephant SNOTTEL estimated 9.5 inches of snow.

Winter Storm in FRANK CHURCH WILDERNESS, IDAHO
From 11-FEB-21 20:00:00 to 14-FEB-21 12:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

Estimated snowfall at the Mill Creek Summit SNOTEL site was 14 inches.

Winter Weather in LOWER SNAKE RIVER PLAIN, IDAHO
From 11-FEB-21 20:00:00 to 14-FEB-21 08:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

The heaviest snowfall of the season brought difficult driving conditions to the Lower Snake River Plain.   Some storm totals were 5.6 inches at the Pocatello National Weather Service Office, 6.3 inches measured by the American Falls COOP observer, and 3.3 inches in Blackfoot.

Winter Storm in MARSH AND ARBON HIGHLANDS, IDAHO
From 11-FEB-21 20:00:00 to 14-FEB-21 12:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Heavy snow fell over a long period of time over the 11th through 14th.   The Mink Creek Nordic area reported 12 inches.  The Inkom COOP observer measured 10 inches.  The McCammon COOP observer measured 10.3 inches.  Estimated SNOTEL amounts were 16 inches at Sedgwick Peak and 9 inches at Wildhorse Divide.

Winter Storm in SAWTOOTH-STANLEY BASIN, IDAHO
From 11-FEB-21 20:00:00 to 14-FEB-21 11:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

Snowfall was estimated at 17 inches at the Vienna Mine SNOTEL.   7.1 inches fell at the Stanley COOP site.

Winter Storm in SOUTHERN HILLS-ALBION MOUNTAINS, IDAHO
From 11-FEB-21 20:00:00 to 14-FEB-21 12:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

Snow estimates in the Southern Hills mountains SNOTEL sites were 19 inches at Bostetter Ranger Station and 37 inches at Howell Canyon.

Winter Storm in WOOD RIVER FOOTHILLS, IDAHO
From 11-FEB-21 19:00:00 to 14-FEB-21 04:00:00 (MST-7)
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Department of Highways

Light snow fell with only 2 inches at Bellevue but the snow combined with 30 to 40 mph winds caused hazardous travel and a multiple car accident occurred on State Highway 75 south of Bellevue where low visibilities and drifting snow was a problem.   Several people were transported to a hospital in Ketchum.

Winter Storm in CARIBOU RANGE, IDAHO
From 11-FEB-21 15:00:00 to 14-FEB-21 14:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

The Swan Valley COOP observer recorded 8 inches of snow.   SNOTEL estimates were:  20 inches at Slug Creek Divide and 16 inches at Somsen Ranch.  Idaho State Highway 34 was closed from 9 miles east of Soda Springs to the Wyoming state line due to the snow and wind combination.

Winter Storm in BLACKFOOT MOUNTAINS, IDAHO
From 11-FEB-21 18:00:00 to 14-FEB-21 14:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

The estimated amount at the Sheep Mountain SNOTEL was 10 inches.  The COOP observer at Bone measured 12 inches of snow with the storm.  Idaho State Highway 34 was closed on the 12th from 9 miles east of Soda Springs to the Wyoming state line.