A major winter storm with heavy snow and strong winds affected all of southeastern Idaho on the last day of January.  Interstates 84 and 86 were closed from American Falls to Burley with snow amounts in excess of 2 feet falling in the southern highlands above 7,000 feet.

Winter Storm in BIG AND LITTLE WOOD RIVER REGION, IDAHO
From 31-JAN-08 04:00:00 to 31-JAN-08 23:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Eleven to 12 inches of snow were reported by spotters in Ketchum and Hailey.  Heavy SNOTEL amounts were 15 inches at Dollarhide, 16 inches at Galena, 19 inches at Galena Summit, 20 inches at Lost Wood Divide, and 22 inches at Vienna Mine.

Winter Storm in CARIBOU HIGHLANDS, IDAHO
From 31-JAN-08 04:00:00 to 31-JAN-08 23:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Heavy snow fell in the Caribou Highlands with 10 inches at Pine Creek Pass, 20 inches at Sedgewick Peak, 15 inches at Sheep Mountain, 10 inches at Wild Horse Divide, and 12 inches reported by a spotter in Wayan.

Winter Storm in EASTERN MAGIC VALLEY, IDAHO
From 31-JAN-08 07:00:00 to 31-JAN-08 23:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Spotters recorded 6 inches of snow in Burley, 7 inches in Minidoka and 13 inches in Shoshone with extensive road closures including interstate 84.

Winter Storm in WASATCH MOUNTAINS/IADHO PORTION, IDAHO
From 31-JAN-08 05:00:00 to 31-JAN-08 23:30:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Heavy snow fell above 7,000 feet with 16 inches reported at the Franklin Basin SNOTEL and 17 inches at the Emigrant Summit SNOTEL.

Winter Storm in LOWER SNAKE RIVER PLAIN, IDAHO
From 31-JAN-08 06:00:00 to 31-JAN-08 23:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Six inches of snow fell in the city of Rockford and interstate 86 closed the evening of the 31st west of Chubbuck.  Amounts of 3 inches were reported in American Falls and 4 inches in Aberdeen.

Winter Storm in UPPER SNAKE RIVER PLAIN, IDAHO
From 31-JAN-08 06:00:00 to 31-JAN-08 23:30:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Only 3 to 5 inches of snow were reported in the Upper Snake River Plain with 3 inches at Idaho Falls, but winds combined with the snow to cause the closure of route 20 west of Idaho Falls through the INL site.

Heavy Snow in SAWTOOTH MOUNTAINS, IDAHO
From 31-JAN-08 05:00:00 to 31-JAN-08 23:30:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Ten inches of snow were reported at the Mill Creek Summit and Bear Canyon SNOTEL sites.

Winter Storm in UPPER SNAKE HIGHLANDS, IDAHO
From 31-JAN-08 05:00:00 to 31-JAN-08 23:25:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Heavy snow fell in the Upper Snake River Highlands.  Some snow amounts were 13 inches in Ashton, 18 inches in Island Park, and 9 inches at St. Anthony.

Winter Storm in SOUTH CENTRAL HIGHLANDS, IDAHO
From 31-JAN-08 05:00:00 to 31-JAN-08 23:30:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Very heavy snow fell in the South Central Highlands with 15 inches reported by spotters in Holbrook.  Over two feet of snow fell at elevations above 7500 feet with 28 inches at the Bostetter SNOTEL and 30 inches at the Howell Canyon SNOTEL.  Fourteen inches fell at Oxford Springs.