A Pacific storm system moved west to east through the region with an area of heavy snow occurring in portions of northeast Montana.  Blizzard conditions occurred over the east-central portion of eastern Montana.

Winter Storm in GARFIELD, MONTANA
From 05-JAN-10 06:00:00 to 06-JAN-10 03:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Snowfall of 7.2 inches was reported 4 ENE of Mosby.

Winter Storm in MCCONE, MONTANA
From 05-JAN-10 10:00:00 to 06-JAN-10 11:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Spotter one mile north of Flowing Wells Rest Area reported six inches of snowfall with four foot drifts.

Winter Storm in PRAIRIE, MONTANA
From 05-JAN-10 10:00:00 to 06-JAN-10 11:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Spotter reported six inches of snowfall. Spotter 21 NNW of Terry reported drifts up 5 feet deep.

Winter Storm in RICHLAND, MONTANA
From 05-JAN-10 11:00:00 to 06-JAN-10 11:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Spotters reported six to seven inches across the zone with drifts up to 3 feet deep.

Blizzard in WIBAUX, MONTANA
From 05-JAN-10 11:00:00 to 06-JAN-10 11:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Spotter 23 S of Wibaux reported seven inches of snowfall along with blizzard conditions. Blizzard conditions resulted in drifts up to seven feet deep. State highway 7 had to be closed from Wibaux to Baker.

Winter Storm in SHERIDAN, MONTANA
From 05-JAN-10 11:00:00 to 06-JAN-10 07:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Six to eight inches were reported across the county. Spotter six miles west of Reserve reported eight inches.

Winter Storm in DANIELS, MONTANA
From 05-JAN-10 10:00:00 to 06-JAN-10 07:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Reports of 5.5 (1ENE Scobey) to 7.5 inches (in Scobey) were observed with this storm. Drifting snow also was observed.

Winter Storm in NORTHERN VALLEY, MONTANA
From 05-JAN-10 08:00:00 to 06-JAN-10 03:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Spotters measured six inches at 6 miles WNW of Larslen and 5 miles NW of Larslen.

Winter Storm in CENTRAL AND SE PHILLIPS, MONTANA
From 05-JAN-10 06:00:00 to 06-JAN-10 01:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Spotter reported 6 of snowfall in Malta with blowing and drifting snow.

Winter Storm in CENTRAL AND SOUTHERN VALLEY, MONTANA
From 05-JAN-10 08:00:00 to 06-JAN-10 03:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Snowfall of 5 to 7 inches were observed across the zone. Drifts of up to 5 feet were reported 4 SW of Hinsdale.

Winter Storm in WESTERN ROOSEVELT, MONTANA
From 05-JAN-10 10:00:00 to 06-JAN-10 07:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall reports of six inches were common along with blowing and drifting snow.

Winter Storm in EASTERN ROOSEVELT, MONTANA
From 05-JAN-10 11:00:00 to 06-JAN-10 07:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Spotters reported six to seven inches of snowfall.

Winter Storm in PETROLEUM, MONTANA
From 05-JAN-10 06:00:00 to 06-JAN-10 01:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Spotters reported 6 inches of snowfall along with blowing and drifting snow reducing visibilities to a half mile at times.