A strong late winter Pacific storm brought heavy snow, heavy rain and strong winds which closed roads across southeastern Idaho.  Reports of flooding and wind damage also occurred.

Winter Storm in BEAVERHEAD-LEMHI HIGHLANDS, IDAHO
From 09-MAR-23 20:00:00 to 11-MAR-23 08:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Wind gusts of 50 to 65 mph combined with snowfall closed interstate 15 from Dubois to the Montana state line on the 10th.  The Dubois COOP site measured 4.8 inches of snow with the storm system.

Avalanche in WOOD RIVER FOOTHILLS, IDAHO
From 10-MAR-23 09:00:00 to 10-MAR-23 11:00:00 (MST-7)
Crop damage: 0.00K
Reported by: 911 Call Center

Avalanche struck 2 homes on War Eagle Dr near Della Vista Dr.  Two homes impacted one with minor damage and the other significant with snow breaking through windows and doors leaving piles of snow up to 3 feet deep.   Water backed up on War Eagle Dr to 1 foot after debris piles in Big Wood river were 15 to 30 feet deep.

Avalanche in WOOD RIVER FOOTHILLS, IDAHO
From 10-MAR-23 12:24:00 to 10-MAR-23 14:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Avalanche reported on Indian Creek Road near Sioux Dr.

Avalanche in SUN VALLEY REGION, IDAHO
From 10-MAR-23 11:45:00 to 10-MAR-23 12:26:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Avalanche along Lake Creek Rd off of Idaho 75 north of Ketchum with people trapped in a vehicle.

Winter Storm in BEAR LAKE VALLEY, IDAHO
From 09-MAR-23 14:00:00 to 11-MAR-23 08:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

The Bern COOP observer reported 6 inches of snow and multiple avalanches occurred in the region with the strong winds.

Avalanche in BEAR LAKE VALLEY, IDAHO
From 10-MAR-23 16:30:00 to 10-MAR-23 18:00:00 (MST-7)
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Public

One residence and shed heavily damaged by avalanche in Georgetown Canyon 3 miles northeast of Georgetown.

Winter Storm in BLACKFOOT MOUNTAINS, IDAHO
From 10-MAR-23 02:00:00 to 11-MAR-23 06:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Fifty to 60 mph winds combined with snow to cause extremely hazardous driving conditions.   Soda Springs recorded 5 inches of snow with a 58 mph wind gust measured at Galbraith and 50 mph gusts at Pole Canyon, Lund and Niter.

Avalanche in SUN VALLEY REGION, IDAHO
From 11-MAR-23 09:00:00 to 11-MAR-23 10:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Avalanche near intersection of Whipsaw Ln and W Warm Springs Rd.

Winter Storm in ARCO-MUD LAKE DESERT, IDAHO
From 09-MAR-23 18:00:00 to 11-MAR-23 12:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Strong winds and snowfall caused blowing snow and US Highway 26 to close from Arco to Carey.   Widespread wind gusts in the 60 to 70 mph range were recorded.  40 miles west of Idaho Falls recorded 6 inches of snow via the COOP observer.

Avalanche in WOOD RIVER FOOTHILLS, IDAHO
From 10-MAR-23 11:00:00 to 10-MAR-23 13:00:00 (MST-7)
Crop damage: 0.00K
Reported by: Park/Forest Service

Dozens of avalanches released in the vicinity of Lookout Mountain, many of them above Bayhorse Rd.  One outbuilding was struck and one play structure grazed.

Winter Storm in CENTENNIAL MOUNTAINS-ISLAND PARK, IDAHO
From 09-MAR-23 20:00:00 to 11-MAR-23 07:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Forty-five to 55 mph wind gusts were widespread on the 10th and combined with heavy snow to close  US Highway 20 between Ashton and the Montana state line and Idaho Highway 87 fromn Island Park to the Montana state line.   The Island Park COOP site recorded 7.4 inches of snow and 12 inches fell at Macks Inn.

High Wind in EASTERN MAGIC VALLEY, IDAHO
From 10-MAR-23 03:00:00 to 10-MAR-23 16:00:00 (MST-7)
Magnitude: 65.00 MG
Property damage: 36.00K
Crop damage: 0.00K
Reported by: Public

Multiple wind gusts of 50 to 75 mph occurred on the 10th in association with a Pacific storm system and a strong cold frontal passage.   The Burley Municipal Airport had gusts of 66 and 68 mph 4 hours apart at around 0730 adn 1130 MDT.   Rupert measured 75 mph.  Two semi tractor trailers blown over at different locations on interstate 86 between exit 15 and 33.  A metal shid blown off foundation and down the block in Rupert.  Another smi tractor trailer blown over in the median along interstate 84 near Burley.  Widespread power outages were reported as well.

High Wind in RAFT RIVER REGION, IDAHO
From 10-MAR-23 02:00:00 to 10-MAR-23 14:00:00 (MST-7)
Magnitude: 57.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Wind gusts of 55 to 70 mph were widespread with a peak of 66 mph 9 miles west of Black Pine.  63 mph gusts were measured at Idahome, Pilot Gold and Moburg Canyon.   Snow also fell with 3 inches measured at Rockland.

Winter Storm in SAWTOOTH-STANLEY BASIN, IDAHO
From 09-MAR-23 19:00:00 to 11-MAR-23 07:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A strong Pacific cold front brought heavy snow and 50 mph wind gusts.   seven miles south southeast of Obsidian measured 19 inches of snow and the Stanley COOP observer measured 7.6 inches.   A 55 mph wind gust was measured at Horton Peak.

Winter Storm in TETON VALLEY, IDAHO
From 10-MAR-23 00:00:00 to 11-MAR-23 07:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Another in a series of strong Pacific storm systems brought more extremely strong winds and blowing snow which caused the closing of US Highway 20 from Ashton to the Montana state line, Idaho Highway 33 from Newdale to Tetonia, and Idaho Highway 32 from Ashton to Tetonia.   Wind gusts reached 72 mph in Clementsville68 mph in Felt, and 55 mph in Victor.

Avalanche in WOOD RIVER FOOTHILLS, IDAHO
From 10-MAR-23 07:00:00 to 10-MAR-23 09:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Avalanche blocked Big Wood River near River Trail and Empty Saddle Trail.   2 homes hit and some flooding.

Winter Storm in MARSH AND ARBON HIGHLANDS, IDAHO
From 09-MAR-23 20:00:00 to 11-MAR-23 07:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

A strong Pacific storm brought heavy snow and strong winds.  The Inkom COOP observer measured 6 inches of snow and the Downey COOP observer measured 4.6 inches.  Wind gusts were 50 to 60 mph with 52 mph at Fish Creek and 51 mph near Lava Hot Springs  measured on the afternoon of the 10th.

Winter Storm in LOST RIVER VALLEYS, IDAHO
From 09-MAR-23 19:00:00 to 11-MAR-23 07:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A strong cold front brought heavy snow and high winds and extensive travel difficulties on the 10th.   US Highway 26 closed between Arco and Carey.  Wind gusts over 50 mph were widespread with a 62 mph gust measured at Dead Man Canyon and over 50 mph measured at Howe, Arco and Berenice.  Snowfall totals were measures at 9 inches at Moore and 8 inches at Arco and Mackay.

High Wind in LOWER SNAKE RIVER PLAIN, IDAHO
From 10-MAR-23 05:00:00 to 10-MAR-23 14:00:00 (MST-7)
Magnitude: 66.00 MG
Property damage: 155.00K
Crop damage: 0.00K
Reported by: ASOS

Wind gusts of 60 to 80 mph were widespread ahead of a cold front.  The maximum was 76 mph at the Pocatello Airport ASOS at 856 AM MDT.   Other gusts were 71 mph at American Falls, 69 mph at Fort Hall, 62 mph in Chubbuck, and 58 mph in Aberdeen.   Nearly 2,000 customers suffered power outages.   Sheet metal blew off roof of Master Mechanix in Pocatello.  Lrge evergreen tree 2 foot in diameter uprooted in American Falls, Street light pole blown over on Pocatello Creek Rd in Pocatello, Tree limbs down, shids blown over, shingles blown off on northwest side of Chubbuck,l Lagre highway sign downed at interstate 86 Pocatello Airport exit.

Winter Storm in SHOSHONE-LAVA BEDS, IDAHO
From 09-MAR-23 21:00:00 to 10-MAR-23 23:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

A strong Pacific cold front brought strong winds and heavy snow to the region.   US Highway was closed from Carey to Arco on the 10th due to the snow and wind.   The Richfield COOP site recorded 6 inches of snowfall.   Wind gusts of 51 mph were measured at Potter Butte and 11 miles north of Shoshone.  Richfield had a 49 mph wind gust.   The wind gusts caused power outages and 2,500 customers were without power in the Shoshone and Kimama areas.

High Wind in SOUTHERN HILLS-ALBION MOUNTAINS, IDAHO
From 10-MAR-23 00:00:00 to 10-MAR-23 14:00:00 (MST-7)
Magnitude: 61.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: RAWS

The Cotton Ridge RAWS measured a 70 mph wind gust.   The public measured 62 mph in Elba and 55 mph in Albion.

Avalanche in SUN VALLEY REGION, IDAHO
From 10-MAR-23 14:27:00 to 10-MAR-23 15:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Idaho Highway 75 blocked by avalanche near Glaassford Dr.

Avalanche in BEAR LAKE VALLEY, IDAHO
From 10-MAR-23 07:00:00 to 10-MAR-23 10:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

An avalanche 5 miles south of Dingle closed Merkley Lake Road.

High Wind in BIG HOLE MOUNTAINS, IDAHO
From 10-MAR-23 02:00:00 to 10-MAR-23 14:00:00 (MST-7)
Magnitude: 56.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Canyon Creek measured a 64 mph wind gust at 930 AM MDT on the 10th and several gusts over 50 mph occurred at Pine Creek.

Avalanche in SUN VALLEY REGION, IDAHO
From 10-MAR-23 11:58:00 to 10-MAR-23 13:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

All lanes of Idaho 75 closed due to avalanche between Lake Creek Rd and Huelen Meadows.

Avalanche in WOOD RIVER FOOTHILLS, IDAHO
From 10-MAR-23 11:15:00 to 10-MAR-23 12:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Warm Springs Road closed due to an avalanche.

Avalanche in WOOD RIVER FOOTHILLS, IDAHO
From 10-MAR-23 13:42:00 to 10-MAR-23 15:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Avalanche on Broadford Rd near Marina Dr just southwest of Friedman Memorial Airport.

Avalanche in SUN VALLEY REGION, IDAHO
From 10-MAR-23 11:37:00 to 10-MAR-23 12:15:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

At least 8 avalanches reported on West Warm Springs Road blocking the road at multiple locations.   One near Sandy Ln closing it to all traffic at end of pavement, and stayed closed through the 12th.

Winter Storm in SUN VALLEY REGION, IDAHO
From 09-MAR-23 20:00:00 to 11-MAR-23 05:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Heavy snow and strong winds occurred with the passage of a strong Pacific cold front.   18 inches of snow fell in Ketchum with 12 to 16 inches in Sun Valley.   Highway 75 was closed in both directions over Galena Pass.   A wind gust of 64 mph was measured 4 miles west of Galena and 55 mph 7 miles northwest of Ketchum.

Winter Storm in UPPER SNAKE RIVER PLAIN, IDAHO
From 10-MAR-23 00:00:00 to 11-MAR-23 04:00:00 (MST-7)
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Department of Highways

Strong winds and snowfall with a Pacific storm system closed Idaho Highway 33 from Newdale to Tetonia.   2 to 4 inches of snow fell in the Idaho Falls area.  Wind gusts were widespread at 50 to 70 mph with a peak of 67 mph at the Idaho Falls Airport ASOS.  66 mph was measured at Roberts and 61 mph at Rexburg.   The winds caused some damage with many tree limbs down, traffic lights hanging in Idaho Falls, wires down in Ammon, gas station sign blown down in Rexburg.

Winter Storm in WOOD RIVER FOOTHILLS, IDAHO
From 09-MAR-23 19:00:00 to 11-MAR-23 06:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Heavy snow and strong winds caused extensive avalanche activity in the Wood River area with the following snow amounts:  Hailey 18 inches, Bellevue 12.5 inches, Picabo 10 inches.  Wind gusts were 62 mph at Gannett and 49 mph at Picabo.