A surface low pressure system paired with a mid-level shortwave trough produced bands of heavy snow and strong wind in the Treasure Valley and Snake River Plain. Several transportation impacts occurred, with multiple accidents along Interstate 84 near Mountain Home reported.

Heavy Snow in BOISE MOUNTAINS, IDAHO
From 01-MAR-23 00:00:00 to 01-MAR-23 12:00:00 (MST-7)
Reported by: Social Media

A member of the public reported 10.5 inches of snow in Wilderness Ranch near Idaho City, ID via social media. A CoCoRaHS site 12.3 miles northeast of Boise City measured 10.0 inches of snow in 24 hours.

Heavy Snow in LOWER TREASURE VALLEY, IDAHO
From 01-MAR-23 00:00:00 to 01-MAR-23 12:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

Mutiple reports of 4.0 to 5.0 inches of snow accumulation were reported near Boise. A COOP observer reported 10 inches of snowfall about 10 miles north of Eagle, ID. Several members of the public measured 5.0 inches, 6.0 inches, and 7.0 inches at Lake Lowell near Caldwell, ID via social media.

Heavy Snow in UPPER TREASURE VALLEY, IDAHO
From 01-MAR-23 00:00:00 to 01-MAR-23 09:00:00 (MST-7)
Reported by: Social Media

Several members of the public reported 4.0 inches of snow in Nampa, ID, Eagle, ID, and Boise, ID via social media.

Heavy Snow in CAMAS PRAIRIE, IDAHO
From 01-MAR-23 00:00:00 to 01-MAR-23 09:00:00 (MST-7)
Reported by: Department of Highways

The RWIS station near Fairfield, ID measured 5.0 inches of snow in 24 hours. This closed US Highway 20 from milepost 96 to milepost 152 due to blowing and drifting heavy snow.

Heavy Snow in OWYHEE MOUNTAINS, IDAHO
From 01-MAR-23 00:00:00 to 01-MAR-23 09:00:00 (MST-7)
Reported by: CoCoRaHS

The COOP Observer at HOMI1 1.1 miles southeast of Homedale, ID meaasured 5.0 inches of snow in 24 hours.

Heavy Snow in BOISE MOUNTAINS, IDAHO
From 01-MAR-23 09:00:00 to 01-MAR-23 20:00:00 (MST-7)
Reported by: CoCoRaHS

The CoCoRaHS station ID-BS-8 12.3 miles northeast of Boise City measured 10.0 inches of snow in 24 hours.

Heavy Snow in LOWER TREASURE VALLEY, IDAHO
From 01-MAR-23 00:00:00 to 01-MAR-23 09:00:00 (MST-7)
Reported by: NWS Employee

An NWS employee in Caldwell, ID measured 4.4 inches of snow in 24 hours.

Heavy Snow in LOWER TREASURE VALLEY, IDAHO
From 01-MAR-23 00:00:00 to 01-MAR-23 09:00:00 (MST-7)
Reported by: CoCoRaHS

The CoCoRaHS station ID-CY-21 0.4 miles east of Greenleaf measured 6.0 inches of snow in 24 hours.

Heavy Snow in UPPER TREASURE VALLEY, IDAHO
From 01-MAR-23 00:00:00 to 01-MAR-23 09:00:00 (MST-7)
Reported by: COOP Observer

The COOP observer at LUCI1 9 miles southeast of Boise measured 10.0 inches of snow in 24 hours.

Heavy Snow in UPPER TREASURE VALLEY, IDAHO
From 01-MAR-23 00:00:00 to 01-MAR-23 09:00:00 (MST-7)
Reported by: COOP Observer

An NWS employee 2.0 miles southeast of Boise measured 4.0 inches of snow in 24 hours.

Heavy Snow in LOWER TREASURE VALLEY, IDAHO
From 01-MAR-23 00:00:00 to 01-MAR-23 09:00:00 (MST-7)
Reported by: CoCoRaHS

The CoCoRaHS station ID-CY-12 0.7 miles northeast of Middleton measured 5.0 inches of snow in 24 hours.

Heavy Snow in LOWER TREASURE VALLEY, IDAHO
From 01-MAR-23 00:00:00 to 01-MAR-23 09:00:00 (MST-7)
Reported by: Social Media

A member of the public reported 5.3 inches of snow in Caldwell, ID via social media.

Heavy Snow in LOWER TREASURE VALLEY, IDAHO
From 01-MAR-23 00:00:00 to 01-MAR-23 09:00:00 (MST-7)
Reported by: Social Media

A member of the public reported 6.5 inches of snow in Caldwell, ID via social media.

Heavy Snow in LOWER TREASURE VALLEY, IDAHO
From 01-MAR-23 00:00:00 to 01-MAR-23 09:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

The CoCoRaHS station ID-CY-15 4.8 miles northwest of Nampa measured 4.0 inches of snow in 24 hours.