Another in a series of Pacific storms brought more heavy snow, high winds and avalanches resulting in some road closures across southeast Idaho.

High Wind in ARCO-MUD LAKE DESERT, IDAHO
From 15-MAR-23 00:00:00 to 15-MAR-23 10:00:00 (MST-7)
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

A Pacific storm system brought 50 to 60 mph wind gusts early in the morning of the 15th with 58 mph 9 miles south southwest of Mud Lake and 57 mph at Sand Dunes.   57 mph was measured at Atomic City.

Winter Storm in BIG LOST HIGHLANDS-COPPER BASIN, IDAHO
From 13-MAR-23 08:00:00 to 15-MAR-23 12:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

An estimated 11 inches of snow fell at the Bear Canyon and Smiley Mountain SNOTEL sites on the 14th with strong winds on the 15th with 53 mph gusts measured at Copper Basin.

Winter Storm in BEAVERHEAD-LEMHI HIGHLANDS, IDAHO
From 13-MAR-23 13:00:00 to 15-MAR-23 16:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Snow and strong winds caused whiteout conditions on interstate 15 and it was closed on the morning of the 10th from Dubois to the Montana state line.  The Small COOP observer measured 5 inches of snowfall.   Blue Dome measured a 61 mph wind gust and a 56 mph gust was measured 4 miles north northwest of Humphery.

Avalanche in CARIBOU RANGE, IDAHO
From 15-MAR-23 03:00:00 to 15-MAR-23 12:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

An avalanche went across US Highway 26 just southeast of Palisades with 6 feet of snow across the road at 430 AM MDT then a resulting Rock slide occurred at 630 AM MDT with 4 feet of rock across the roadway.   The highway closed down then from Swan Valley to the Wyoming border.

Winter Storm in CENTENNIAL MOUNTAINS-ISLAND PARK, IDAHO
From 13-MAR-23 19:01:00 to 15-MAR-23 15:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

The Island Park COOP observer measured 10.3 inches of snow with an estimated  11 inches at the White Elephant SNOTEL site.   The North Fremont Schools closed early on the 15th due to blowing and drifting snow and near whiteout conditions.

High Wind in LOWER SNAKE RIVER PLAIN, IDAHO
From 14-MAR-23 22:00:00 to 15-MAR-23 11:00:00 (MST-7)
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Widespread 50 to 60 mph wind gusts were measured overnight on the 14th into the morning of the 15th with a peak gust of 60 mph at the Pocatello Regional Airport.

Heavy Snow in SAWTOOTH-STANLEY BASIN, IDAHO
From 13-MAR-23 07:00:00 to 14-MAR-23 10:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

An estimated 15 inches of snow fell at the Vienna Mine SNOTEL site.

High Wind in UPPER SNAKE RIVER PLAIN, IDAHO
From 15-MAR-23 00:00:00 to 15-MAR-23 17:00:00 (MST-7)
Magnitude: 51.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Widespread 50 mph and greater wind gusts were recorded on the 15th with a peak of 59 mph at Kettle Butte.   Rexburg Madison Airport recorded 54 mph and the Idaho Falls Airport measured 52 mph.    Idaho Highway 33 was closed to extreme winds causing whiteout conditions at 1115 AM on the 15h from Newdale to Tetonia.

High Wind in RAFT RIVER REGION, IDAHO
From 14-MAR-23 19:00:00 to 15-MAR-23 13:00:00 (MST-7)
Magnitude: 59.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Several 60 to 70 mph wind gusts were measured in the Idahome area with a peak of 68 mph at 1100 AM MDT.

High Wind in SOUTHERN HILLS-ALBION MOUNTAINS, IDAHO
From 15-MAR-23 00:00:00 to 15-MAR-23 08:00:00 (MST-7)
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: RAWS

Multiple 58 mph wind gusts were measured at the Cotton Ridge RAWS site.

Winter Storm in SUN VALLEY REGION, IDAHO
From 13-MAR-23 16:00:00 to 15-MAR-23 05:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

The COOP observer in Ketchum measured 14 inches of snow.   18 inches was measured on Bald Mountain.   Several wind gust over 50 mph were measured near Ketchum overnight on the 14th and early morning of the 15th.   The An estimated 11 inches of snow fell at the Lost Wood Divide SNOTEL site on the 14th.

Winter Storm in TETON VALLEY, IDAHO
From 14-MAR-23 21:00:00 to 15-MAR-23 14:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Strong winds caused extensive blowing and drifting snow with multiple 50 to 60 mph gusts measured in the Clementsville area 2 AM and 1130 AM MDT on the 15th.   Idaho Highway 33 closed from Newdale to Tetonia at 1115 AM MDT and the north Fremont Schools closed early on the 15th due to the whiteout conditions encountered on roadways.