A strong Pacific storm system with it's associated cold front brought a combination of heavy snow and strong winds.   The heavy snow was mainly limited to the Lower Snake River Plain where 6 to 9 inches of snow were widespread along the interstate 86 corridor from American Falls to Pocatello.   In areas where snow was lighter, it was nonetheless accompanied by strong winds with gusts of 40 to 50 mph which caused many road and school closures.

Winter Storm in ARCO-MUD LAKE DESERT, IDAHO
From 02-FEB-20 10:00:00 to 03-FEB-20 15:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Snow and wind closed US Highway 20 to the US 26 intersection at the Idaho National Lab site.  Craters of the Moon National Monument recorded 6 inches of snow and the West Jefferson School District 253 closed on February 3rd.

Winter Storm in BEAR LAKE VALLEY, IDAHO
From 02-FEB-20 22:00:00 to 03-FEB-20 14:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

Bern and St Charles recorded 5 inches of snow and combined with wind gusts up to 40 mph caused the Bear Lake School District 61 to close on February 3rd.

Winter Storm in BEAVERHEAD-LEMHI HIGHLANDS, IDAHO
From 02-FEB-20 10:00:00 to 03-FEB-20 15:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Snow and strong winds combined to close Interstate 15 from Dubois north to the Montana border.   Although snow was not heavy, 4 inches fell 6 miles north of Small and 2 inches fell in Dubois winds gusted to 50 mph causing very dangerous travel.   Clark County School District 161 closed on February 3rd due to the wind and snow.

Winter Storm in BLACKFOOT MOUNTAINS, IDAHO
From 02-FEB-20 18:00:00 to 03-FEB-20 16:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

Only 2 to 4 inches of snow fell but wind gusts of 40 to 50 mph caused extensive blowing snow.  Because of travel concerns the Grace School District 148, the North Gem School District 149 and Soda Springs School District 150 were all closed on February 3rd.

Winter Storm in CARIBOU RANGE, IDAHO
From 02-FEB-20 14:00:00 to 03-FEB-20 14:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

Strong winds and snow with gusts up to 40 mph caused extremely hazardous travel.   The Somsen Ranch SNOTEL estimated 9 inches of snow and the Slug Creek Divide SNOTEL measured 6 inches of snow.

Winter Storm in CENTENNIAL MOUNTAINS-ISLAND PARK, IDAHO
From 02-FEB-20 10:00:00 to 03-FEB-20 16:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Snow and strong wind gusts caused extremely hazardous travel and the Fremont County School District 215 was closed on February 3rd.   Island Park received 4 inches of snow and the White Elephant SNOTEL site received 17 inches of snow.

Winter Storm in EASTERN MAGIC VALLEY, IDAHO
From 02-FEB-20 21:00:00 to 03-FEB-20 16:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Interstate 84 was closed from the Interstate 86 intersection to the Utah border.  Snow was not heavy with Minidoka Dam receiving 3 inches but wind gusts of 30 to 40 mph caused extensive blowing and drifting snow.

Winter Storm in LOST RIVER RANGE, IDAHO
From 02-FEB-20 12:00:00 to 03-FEB-20 10:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

The Butte County School District 111 shut down on February 3rd due to snow and very strong winds causing hazardous travel conditions  The Hilt's Creek SNOTEL had a 6 inch snow estimate.

Winter Storm in LOWER SNAKE RIVER PLAIN, IDAHO
From 02-FEB-20 19:00:00 to 03-FEB-20 14:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Very heavy snow in the Pocatello/Chubbuck region fell and combined with high winds caused Pocatello Chubbuck School District 25 to be closed on February 3rd.   A variety of spotters/NWS employees and COOP observers recorded 6 to 9 inches of snowfall in the Pocatello and Chubbuck region.   American Falls recorded 6 inches of snow and Aberdeen 5.5 inches.   Other school closures on the 3rd were:  Firth School District 59, Aberdeen School District 58, Shelley School District 60, and American Falls School District 381.

Winter Storm in MARSH AND ARBON HIGHLANDS, IDAHO
From 02-FEB-20 19:00:00 to 03-FEB-20 14:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

The Pebble Creek ski resort reported 16 inches of snow with the city of Inkom 6 inches.  The North Gem School District 149 closed on February 3rd due to the hazardous travel.

Winter Storm in RAFT RIVER REGION, IDAHO
From 02-FEB-20 19:00:00 to 03-FEB-20 15:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Snow and very high winds caused the closing of interstate 84 from the intersection of interstate 86 all the way to the Utah border.   Wind gusts of 50 to 60 mph caused the strong wind gusts that closed the interstate and also the closing of Rockland School District 382 on February 3rd.  .

Winter Storm in SOUTHERN HILLS-ALBION MOUNTAINS, IDAHO
From 02-FEB-20 10:00:00 to 03-FEB-20 16:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

The Pomerelle ski resort reported 11 inches of snow and wind gusts as high as 49 mph were recorded in the Albion Mountains.

Winter Storm in TETON VALLEY, IDAHO
From 02-FEB-20 15:00:00 to 03-FEB-20 16:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Snow and wind caused extensive travel problems in the Teton Valley and all roads to the north were shut down.    Idaho Route 33 from Newdale to Tetonia was shut down.   Idaho Route 32 from Ashton to Tetonia shut down and Idaho 47 east of Ashton closed.   Snow amounts were not heavy and accumulated 2 to 4 inches but wind gusts of 40 to 50 mph and blowing and drifting snow made roads unpassable.

Winter Storm in UPPER SNAKE RIVER PLAIN, IDAHO
From 02-FEB-20 15:00:00 to 03-FEB-20 16:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

A strong cold front produced 1 to 4 inches of snow with 40 to 50 mph wind gusts to cause extremely hazardous travel weather.   US Highway 20 was closed from Idaho Falls to INL and US Route 26 intersection and Idaho 33 was closed from Newdale to Tetonia.   The following schools closed on  February 3rd:  Sugar-Salem School District 322, Idaho Falls School District 91, Madison School District 321, Ririe School District 252, and Jefferson School District 251.

Winter Storm in LOST RIVER VALLEYS, IDAHO
From 02-FEB-20 11:00:00 to 03-FEB-20 17:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Snow and very strong winds caused very difficult driving conditions and the Butte County School District 111 closed on February 3rd as did the Mackay School District 182.   Chilly Barton Flat received 5.4 inches of snow with 2 inches at the Mackay Ranger Station.   Wind gusts of 40 to 50 mph caused the extensive blowing snow.