A very strong Pacific system with an associated cold front brought heavy weekend snow to the Central Mountains, Eastern Magic Valley, Snake River Plain, Arco Desert, and Upper Snake River Highlands.

Winter Storm in EASTERN MAGIC VALLEY, IDAHO
From 10-FEB-19 03:00:00 to 10-FEB-19 23:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Heavy snow fell in the Eastern Magic Valley with reports of 7.5 inches in Heyburn, 6 inches at MInidoka Dam, 7 inches in Burley, and 6 inches in Declo.

Winter Storm in LOST RIVER VALLEYS, IDAHO
From 09-FEB-19 12:00:00 to 11-FEB-19 12:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

US Highway 20 closed from Arco to Carey on the 10th and 11th due to snow and wind.   Reported snow amounts were 8 inches 7 miles south of Mackay, 10 inches in Arco, 7 inches in Moore, and 9 inches in Darlington.

Winter Storm in LOWER SNAKE RIVER PLAIN, IDAHO
From 10-FEB-19 10:00:00 to 10-FEB-19 21:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

A strong cold front brought heavy snow to the Lower Snake River Plain with several reports of 5 to 8 inches of snow in the Pocatello and Chubbuck region.

Winter Storm in MARSH AND ARBON HIGHLANDS, IDAHO
From 09-FEB-19 14:00:00 to 10-FEB-19 23:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

The COOP observer in Inkom reported 9.5 inches of snow.

Winter Storm in SHOSHONE-LAVA BEDS, IDAHO
From 09-FEB-19 11:00:00 to 11-FEB-19 12:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Snow ans strong winds led to the closure of US Highway 20 from Carey to Arco on the 10th and 11th.

Winter Storm in SUN VALLEY REGION, IDAHO
From 09-FEB-19 12:00:00 to 11-FEB-19 12:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Extremely heavy snow fell over in the Sun Valley region from a Pacific storm system.  The COOP observer at the Ketcchum Ranger Station recorded 18.5 inches of snow.   The following amounts were recorded at SNOTEL sites:  Chocolate Gulch 18 inches, Dollarhide Summit 24 inches, Galena 10 inches, Galena Summit 22 inches, Hyndman 13 inches, and Lost Wood Divide 17 inches.  20  was reported in Kethcum and 29 inches was reported at the top of Bald Mountain.

Winter Storm in TETON VALLEY, IDAHO
From 09-FEB-19 12:00:00 to 11-FEB-19 12:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Snow and strong winds caused the closure of Highway 32 from Ashton to Tetonia, Highway 33 from Newdale to Victor and also from 10 miles west of Tetonia to 2 miles north of Victor on the 10th and 11th.

Winter Storm in UPPER SNAKE RIVER PLAIN, IDAHO
From 10-FEB-19 10:00:00 to 10-FEB-19 23:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Widespread reports by COOP observers and the  public of 4 to 6 inches of snow occurred in the Upper Snake River Plain.   The Saint Anthony COOP Observer recorded 6 inches of snow with 4.7 inches at the Idaho Falls COOP site.

Winter Storm in WOOD RIVER FOOTHILLS, IDAHO
From 09-FEB-19 12:00:00 to 11-FEB-19 12:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Heavy snow fell in the Wood River Foothills.  The COOP observer in Bellevue reported 16.5 inches of snow.  Observers in Hailey reported 18 inches of snow.

Winter Storm in ARCO-MUD LAKE DESERT, IDAHO
From 09-FEB-19 10:00:00 to 11-FEB-19 06:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

The COOP observer at Craters of the Moon reported 11.5 inches of snow from the weekend storm and the West Jefferson School District 253 and Butte County School District 111 were closed on the 11th due to snow and wind.  US Route 20 was closed from the 10th to the 11th from Arco to Carey due to the snow and wind as well.

Winter Storm in BEAVERHEAD-LEMHI HIGHLANDS, IDAHO
From 09-FEB-19 12:00:00 to 11-FEB-19 12:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Heavy snowfall and winds caused interstate 15 to close from Dubois to the Montana border on the 10th at 11 am and it remained closed until the 11th.   Snowfall amounts were 8.o inches at Dubois and 10.2 inches 6 miles north of Small measured by COOP observers from the storm.

Winter Storm in SAWTOOTH-STANLEY BASIN, IDAHO
From 09-FEB-19 12:00:00 to 11-FEB-19 12:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

The Vienna Mine SNOTEL recorded 23.6 inches of snow.  The public reported 10 inches of snow at Smiley Creek.

Winter Storm in BIG LOST HIGHLANDS-COPPER BASIN, IDAHO
From 09-FEB-19 12:00:00 to 11-FEB-19 05:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

The following heavy snow amounts were recorded at SNOTEL sites:  Bear Canyon 23 inches, Garfield Ranger Station 12 inches, Smiley Mountain 32 inches, Stickney Mill 16 inches, and Swede Peak 22 inches.

Winter Storm in BIG HOLE MOUNTAINS, IDAHO
From 09-FEB-19 12:00:00 to 11-FEB-19 14:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

State Highway 33 was closed from Newdale to Tetonia.

Winter Storm in BIG LOST HIGHLANDS-COPPER BASIN, IDAHO
From 09-FEB-19 11:00:00 to 11-FEB-19 12:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

Heavy snow amounts recorded by SNOTEL sites were the following:  Bear Canyon 23 inches, Garfield Ranger Station 12 inches, SMiley Mountain 32 inches, Stickney Mill 16 inches, and Swede Peak 22 inches.

Winter Storm in CENTENNIAL MOUNTAINS-ISLAND PARK, IDAHO
From 09-FEB-19 11:00:00 to 11-FEB-19 12:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Extremely heavy snow fell in the Island Park area with the COOP observer reporting 15 inches and amounts of up to 18 inches reported by the public.  The Crab Creek SNOTEL had 13 inches and White Elephant SNOTEL had 13 inches.  The heavy snow and wind may have contributed to a snowmobile accident around 8 pm on the 10th when a vehicle collided with a snowmobile on US Highway 20 near Island Park resulting in the death of the snowmobiler.