Another strong Pacific storm system brought hazardous travel weather to eastern Idaho in the first week of February. Heavy snow fell along with an extended period of freezing rain in the Lower Snake River Plain overnight on the 5th into the 6th. Several high elevation sites received over a foot of snow with some school closures on the 6th in the region.

Avalanche in BEAR LAKE VALLEY, IDAHO
From 06-FEB-20 12:00:00 to 06-FEB-20 21:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

An avalanche closed US Route 89 from Montepelier to Geneva on the afternoon of the 6th to remove snow.

Winter Storm in LOWER SNAKE RIVER PLAIN, IDAHO
From 05-FEB-20 05:00:00 to 06-FEB-20 11:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

During the day on the 5th 2 to 4 inches of snow fell then overnight on the 5th into the morning hours on the 6th a quarter inch of freezing rain accumulated at the Pocatello Regional Airport.   Several traffic accidents and slide offs were reported both days.  Blackfoot School District 55 closed on the 6th as did Sho-Ban High School and Bingham Academy District 485.

Winter Storm in BEAR LAKE VALLEY, IDAHO
From 05-FEB-20 06:00:00 to 06-FEB-20 08:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Four to 6 inches of snow fell and an avalanche caused the closing of US 89 from Montpelier to Geneva on the 6th.

Winter Storm in BEAR RIVER RANGE, IDAHO
From 05-FEB-20 05:00:00 to 06-FEB-20 21:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

Very heavy snow fell in the Bear River Range with SNOTEL estimates of 25 inches at Emigrant Summit and 28 inches at Franklin Basin in the 7 thousand foot to 8,200 foot elevation range.

Winter Storm in BEAVERHEAD-LEMHI HIGHLANDS, IDAHO
From 05-FEB-20 05:00:00 to 06-FEB-20 18:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Six inches of snow was reported in Dubois and Small with the storm.

Winter Storm in BIG HOLE MOUNTAINS, IDAHO
From 05-FEB-20 05:00:00 to 06-FEB-20 19:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

Very heavy snow fell in the Big Hole's with an estimated 18 inches at Pine Creek Pass which webcams indicated a long period of snow covered roads along US Route 30 through the period.

Winter Storm in CARIBOU RANGE, IDAHO
From 05-FEB-20 04:00:00 to 06-FEB-20 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Very heavy snowfall occurred and caused very hazardous travel.   An accident caused US Highway 26 to close for a period of time from Swan Valley to the Wyoming border.   16 inches of snow fell at the Swan Valley COOP site with the following SNOTEL estimates:  Giveout 17 inches, Slug Creek Divide 22 inches, and 15 inches in Somsen Ranch.

Winter Storm in CENTENNIAL MOUNTAINS-ISLAND PARK, IDAHO
From 05-FEB-20 04:00:00 to 06-FEB-20 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Very heavy snow once again fell in the Centennial Mountains with 13 inches reported by the Island Park COOP site.   SNOTEL estimates were:  16 inches at Island Park, 18 inches at Crab Creek, and 21 inches at White Elephant.

Winter Storm in MARSH AND ARBON HIGHLANDS, IDAHO
From 05-FEB-20 05:00:00 to 06-FEB-20 15:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Heavy snow fell in the Marsh and Arbon Highlands disrupting travel.   17 inches of snow fell in Inkom in the storm Other amounts were:  7 inches in Downey, 8 inches in McCammon, an estimated 19 inches at the Sedgwick Peak SNOTEL and 7 inches at Wildhorse Divide.  The Marsh Valley School District 21 was closed on the 6th due to the hazardous travel and North Gem District 149 was also closed.

Winter Storm in SOUTHERN HILLS-ALBION MOUNTAINS, IDAHO
From 05-FEB-20 05:00:00 to 06-FEB-20 11:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

Very heavy snow fell in the Southern Hills.   Amounts estimated at SNOTEL sites were Bostetter Ranger Station 18 inches and Howell Canyon 16 inches.

Winter Storm in SAWTOOTH-STANLEY BASIN, IDAHO
From 05-FEB-20 05:00:00 to 06-FEB-20 15:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

The Vienna Mine SNOTEL estimated 17 inches of snow.

Winter Storm in TETON VALLEY, IDAHO
From 05-FEB-20 05:00:00 to 06-FEB-20 12:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Eight to 12 inches of snow fell in the Teton Valley with 9 inches reported by the COOP observer in Ashton.

Winter Storm in UPPER SNAKE RIVER PLAIN, IDAHO
From 05-FEB-20 05:00:00 to 06-FEB-20 14:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Another round of snow brought hazardous travel conditions to the Upper Snake River Plain again.   Amounts for the storm were:  4 inches Idaho Falls, 5 inches Menan, 6 inches Rexburg, 6 inches Rigby, and 11 inches at Saint Anthony and Sugar City.

Winter Storm in BLACKFOOT MOUNTAINS, IDAHO
From 05-FEB-20 05:00:00 to 06-FEB-20 19:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Nine inches of snow was recorded at the COOP site  in Bone and was estimated at the Sheep Mountain SNOTEL site.  The North Gem School District 149 was closed due to travel conditions on the 6th.

Winter Storm in FRANKLIN-EASTERN ONEIDA REGION, IDAHO
From 05-FEB-20 05:00:00 to 06-FEB-20 15:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Heavy snow caused very difficult travel especially overnight on the 5th and the morning of the 6th.   The Oneida School District 351 closed on the 6th due to the conditions.   Snow amounts reported by COOP sites were:  5 inches at Malad City, and 5 inches at Preston.   The Oxford Springs SNOTEL estimated 11 inches of snow.