Several days of Pacific moisture brought heavy snow mainly to the mountains of central and southeast Idaho with many SNOTEL sites exceeding 2 feet of snow accumulation.  Many roads closed in the 4 day period and many schools were also forced to close.

Winter Storm in RAFT RIVER REGION, IDAHO
From 12-FEB-19 12:00:00 to 15-FEB-19 16:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A multi day storm brought heavy snow and wind to the Raft River region.   By the afternoon of the 13th, 5 miles northwest of Holbrook, 8 inches of snow had already been recorded.  More snow likely fell in the data sparse region.

Winter Storm in SAWTOOTH-STANLEY BASIN, IDAHO
From 12-FEB-19 12:00:00 to 15-FEB-19 18:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Very heavy snow fell in the muli day Pacific storm system.   The Stanley COOP observer recorded 17 inches of snow while an incredible 46 inches fell at the Vienna Mine SNOTEL site.

Winter Storm in SHOSHONE-LAVA BEDS, IDAHO
From 12-FEB-19 12:00:00 to 15-FEB-19 16:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

US highway 20 was closed for several days from the 13th through the 15th due to snow and strong winds from Carey through Arco.   The Richfield COOP observer recorded 10 inches of snow.

Winter Storm in SOUTHERN HILLS-ALBION MOUNTAINS, IDAHO
From 12-FEB-19 12:00:00 to 15-FEB-19 17:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

The Bostetter Ranger Station SNOTEL recorded 26.6 inches of snow and the Howell Canyon SNOTEL recorded 30.1 inches.

Winter Storm in SUN VALLEY REGION, IDAHO
From 12-FEB-19 12:00:00 to 15-FEB-19 17:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Local Official

All Blaine County schools were closed on the 13th due to heavy snow causing extremely hazardous travel.   The Ketchum Ranger Station COOP site recorded 18.7 inches of snow with the system.   The following SNOTEL amounts were recorded:  Chocolate Gulch 20 inches, Dollarhide Summit 26 inches, Galena 25 inches, Galena Summit 33 inches, Hyndman 16 inches, and Lost Wood Divide 26 inches.

Winter Storm in TETON VALLEY, IDAHO
From 12-FEB-19 12:00:00 to 15-FEB-19 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Snow and strong winds caused extremely difficult travel in the Teton Valley for several days.   Teton County School district was closed on the 14th.  Idaho Highway 33 was closed for several days from Newdale to Tetonia.   Idaho State Highway 32 was closed from Ashtong to Tetonia.  Idaho Highway 47 was closed from Milepost 1 to Mile post 12.

Winter Storm in BEAR LAKE VALLEY, IDAHO
From 12-FEB-19 12:00:00 to 15-FEB-19 17:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Local Official

The Bear Lake School District number 33 was closed on the 14h due to snow and winds making for extremely hazardous travel conditions.  Snow amounts in the valley ranged from 4 to 10 inches.

Winter Storm in WOOD RIVER FOOTHILLS, IDAHO
From 12-FEB-19 12:00:00 to 15-FEB-19 18:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Local Official

Blaine County Schools were closed on the 13th.    The Bellevue COOP observer recorded 12.8 inches of snow and the Picabo COOP observer recorded 10 inches of snow.

Winter Storm in ARCO-MUD LAKE DESERT, IDAHO
From 12-FEB-19 12:00:00 to 15-FEB-19 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Snow and strong winds caused US Highway 20 to be closed on both the 13th and 15th between Carey and Arco.  US Highway 20 was also closed from Idaho Falls to 19 miles east of Butte City on the 14th.

Winter Storm in BEAR RIVER RANGE, IDAHO
From 12-FEB-19 12:00:00 to 15-FEB-19 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

Extremely heavy snow fell with the Emigrant Summit SNOTEL recording 20 inches and the Franklin Basin SNOTEL recording 30 inches.    The Bear Lake District 33 Schools were closed on the 14th.

Winter Storm in BIG HOLE MOUNTAINS, IDAHO
From 12-FEB-19 12:00:00 to 15-FEB-19 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Local Official

The Pine Creek Pass SNOTEL recorded 11 inches of snow.  The Teton County School district number 401 closed schools on the 13th and 14th due to heavy snow and winds causing extremely hazardous travel conditions.

Winter Storm in BIG LOST HIGHLANDS-COPPER BASIN, IDAHO
From 12-FEB-19 12:00:00 to 15-FEB-19 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

Heavy snow fell at high elevations with the following SNOTEL amounts:  Bear Canyon 21 inches, Garfield Ranger Station 14 inches, Smiley Mountain 27 inches, Stickney Mill 12 inches, and Swede Peak 24 inches.

Winter Storm in BLACKFOOT MOUNTAINS, IDAHO
From 12-FEB-19 12:00:00 to 15-FEB-19 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Local Official

Snow and wind affected the Blackfoot Mountains.   Soda Springs School District 150 closed on the 14th.   Idaho Highway 34 was closed from 10 miles north of Soda Springs to the Wyoming border for several days.   The Sheep Mountain SNOTEL recorded 7.2 inches of snow during the storm.

Winter Storm in CARIBOU RANGE, IDAHO
From 12-FEB-19 12:00:00 to 15-FEB-19 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Idaho State Highway 34 was closed from 10 miles north of Soda Springs to the Wyoming border for several days due to snow and wind.   SNOTEL amounts were the following:  Giveout 4.4 inches,  10.2 inches at Slug Creek Divide, and 8 inches at Somsen Ranch.

Winter Storm in FRANK CHURCH WILDERNESS, IDAHO
From 12-FEB-19 12:00:00 to 15-FEB-19 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

The Mill Creek Summit SNOTEL recorded 14.7 inches of snow.

Winter Storm in CENTENNIAL MOUNTAINS-ISLAND PARK, IDAHO
From 12-FEB-19 12:00:00 to 15-FEB-19 21:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Extremely heavy snow fell over the four day period in the Island Park area and Centennial Mountains.   The COOP observer at Island Park recorded 34.4 inches of snow.   The total at the White Elephant SNOTEL was 34.1 inches for the storm.   The Fremont County School District 215 was closed from the 12th through the 14th due to extremely hazardous travel due to snow and blowing snow.   Idaho Highway 47 was closed from Ashton to 2 miles north of Warm River.   Milepost 1 to milepost 12.   US Highway 20 was closed from Ashton to the Montana border.  Idaho Highway 87 was closed from US 20 to the Montana border.

Winter Storm in FRANKLIN-EASTERN ONEIDA REGION, IDAHO
From 12-FEB-19 12:00:00 to 15-FEB-19 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Local Official

The Preston school district 201 and West Side School District 202 were closed on the 14th due to heavy snow and winds.   The Preston COOP observer recorded 8.5 inches of snow and Malad City recorded 6.0.   The Oxford Springs SNOTEL recorded 16.2 inches of snow.  Interstate 15 closed on the 13th due to whiteout conditions from milepost 16 to milepost 27.

Winter Storm in LOST RIVER RANGE, IDAHO
From 12-FEB-19 12:00:00 to 15-FEB-19 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

The Meadow Lake SNOTEL recorded 9 inches of snow and the Moonshine SNOTEL recorded 7 inches.

Winter Storm in LOST RIVER VALLEYS, IDAHO
From 12-FEB-19 12:00:00 to 15-FEB-19 17:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Snow and strong winds caused US Highway 20 to be closed on both the 13th and 15th between Carey and Arco.

Winter Storm in MARSH AND ARBON HIGHLANDS, IDAHO
From 12-FEB-19 12:00:00 to 15-FEB-19 19:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

The Marsh Valley School District 21 was closed on the 14th due to heavy snow and wind causing hazardous travel.   The Sedgwick Peak SNOTEL recorded 19 inches of snow and the Wildhorse Divide SNOTEL recorded 8 inches.