A significant winter storm affected southeast Idaho for several days with heavy snow and strong winds creating closed roads, multiple traffic accidents and many school closings on January 7th.

Winter Storm in BEAVERHEAD-LEMHI HIGHLANDS, IDAHO
From 05-JAN-19 20:00:00 to 07-JAN-19 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Local Official

A strong winter storm produced heavy snowfall and very strong winds making travel extremely hazardous.  A semi-truck and snow plow got in an accident on interstate 15 six miles south of Dubois on the 7th.   Clark County School District 161 closed on January 7th due to the dangerous travel conditions.   The COOP observer 6 miles north of Small recorded 6.3 inches of snow from the storm.

Winter Storm in UPPER SNAKE RIVER PLAIN, IDAHO
From 05-JAN-19 21:00:00 to 07-JAN-19 17:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Local Official

Snowfall and very strong winds caused extremely difficult travel in the Upper Snake River Plain .  The following schools were closed on January 7th due to road conditions caused by the snow and wind:  Madison School District 321, Fremont School District 215, Sugar-Salem Joint School District 322, Ririe School District 252.  Snow amounts were not extraordinarily heavy with COOP observers reporting 3 inches in Rigby and 4.5 inches in Hamer.  US Highway 26 was closed from Ririe to Swan Valley due to the snow and wind on the 7th.

Winter Storm in ARCO-MUD LAKE DESERT, IDAHO
From 05-JAN-19 21:00:00 to 07-JAN-19 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Local Official

Very strong winds combined with snowfall caused the West Jefferson School District 253 and the Butte County School District 111 to close on January 7th.

Winter Storm in CENTENNIAL MOUNTAINS-ISLAND PARK, IDAHO
From 05-JAN-19 16:00:00 to 07-JAN-19 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Heavy snow and strong winds occurred for close to two days in the Centennial Mountains.  A storm total of 14 inches was reported by the COOP observer at Island Park.  Fremont County School District 215 was closed on January 7th due to the roads.  Idaho Highway 47 was closed from Ashton to Warm River.

Winter Storm in BIG HOLE MOUNTAINS, IDAHO
From 05-JAN-19 20:00:00 to 07-JAN-19 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Local Official

Teton County School District 401 closed on January 7th due to snow and strong winds.  Snow amounts were estimated at 4 to 8 inches for the storm.

Winter Storm in CARIBOU RANGE, IDAHO
From 05-JAN-19 20:00:00 to 07-JAN-19 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

US Highway 26 closed between Ririe and Swan Valley on January 7th due to the snow and high winds causing extensive drifting . Snow amounts were 3.5 inches at the Swan Valley COOP site with 4 to 8 inches at higher elevation SNOTEL sites.

Winter Storm in BEAR LAKE VALLEY, IDAHO
From 05-JAN-19 20:00:00 to 07-JAN-19 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Heavy snow and strong winds were widespread in the Bear Lake Valley.   The COOP observer at Bern recorded 12 inches of total snowfall with the storm along with 50 mph winds and zero visibility on the morning of the 7th.

Winter Storm in BEAR RIVER RANGE, IDAHO
From 05-JAN-19 18:00:00 to 07-JAN-19 18:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

Both the Emigrant Summit and Franklin Basin SNOTEL sites had reported over 9 inches of snow by the afternoon of January 6th with more falling through the 7th but no further totals were recorded.

Winter Storm in BLACKFOOT MOUNTAINS, IDAHO
From 05-JAN-19 20:00:00 to 07-JAN-19 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Local Official

Grace School District 148 and Soda Springs Joint School District 150 were closed on January 7th due to snow and very strong winds causing difficult travel.   The Bone COOP site reported 7 inches of snow with the system.

Winter Storm in FRANKLIN-EASTERN ONEIDA REGION, IDAHO
From 05-JAN-19 20:00:00 to 07-JAN-19 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Heavy snow combined with strong winds shut down Idaho Highway 38 between Holbrook and Malad City.   The Preston COOP site reported 9.5 inches of snow and the Malad City COOP site reported 8 inches.  Oneida School District 351 closed on January 7th due to the conditions.

Winter Storm in RAFT RIVER REGION, IDAHO
From 05-JAN-19 20:00:00 to 07-JAN-19 16:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Local Official

Oneida County School District 351 was closed January 7th due to high winds causing blowing snow and dangerous travel.

Winter Storm in MARSH AND ARBON HIGHLANDS, IDAHO
From 05-JAN-19 21:00:00 to 07-JAN-19 16:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Local Official

A strong winter storm brought snow and high winds which created very difficult travel on Monday, January 7th.   Marsh Valley School district 21 was closed January 7th due to the winds and snow.   Interstate 15 was closed on the southbound for three hours in southern Bannock County between the Downey and Hawkins Road exits due to very low visibility.  Snow amounts were not extremely heavy but 3.5 inches fell at the Downey COOP site and 4 inches at the Inkom COOP site.

Winter Storm in LOST RIVER RANGE, IDAHO
From 05-JAN-19 20:00:00 to 07-JAN-19 15:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Local Official

Butte County School District 111 was closed on January 7th due to snow and high winds.

Winter Storm in LOST RIVER VALLEYS, IDAHO
From 05-JAN-19 20:00:00 to 07-JAN-19 15:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Local Official

Butte County School District 111 was closed due to snow and high winds creating difficult travel on January 7th.

Heavy Snow in SUN VALLEY REGION, IDAHO
From 05-JAN-19 20:00:00 to 07-JAN-19 15:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Extremely heavy snow fell in the Sun Valley region.   The Ketchum Ranger Station recorded 14.5 inches of snow with a spotter reporting 16 inches 6 miles sough of Sun Valley.

Heavy Snow in WOOD RIVER FOOTHILLS, IDAHO
From 05-JAN-19 20:00:00 to 07-JAN-19 14:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Extremely heavy snow fell in the Wood River Foothills.   Amounts measured were:  16 inches 4 miles northwest of Bellevue, 14 inches 2 miles north-northwest of Hailey, 10.3 inches at the Bellevue COOP station, 11 inches 3 miles north of Hailey, and 9 inches at the Picabo COOP station.

Winter Storm in TETON VALLEY, IDAHO
From 05-JAN-19 20:00:00 to 07-JAN-19 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Local Official

Strong winds and snow caused the Fremont School District 215 and Teton School District 401 to close on January 7th.   Idaho Highway 32 was closed from Ashton to Tetonia and Idaho Highway 47 was closed from Ashton to Warm River.  Although wind made snow measurements difficult it was estimated 4 to 8 inches fell in the Tetonia and Driggs area.