A Pacific Storm System moving in from the west, combined with strong easterly winds from an area of high pressure over Canada resulting in heavy snow and blizzard conditions over portions of northeast Montana, mainly north of the Missouri River.

Blizzard in CENTRAL AND SOUTHERN VALLEY, MONTANA
From 10-MAR-23 12:53:00 to 10-MAR-23 20:20:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Intermittent blizzard conditions were reported from midday to the early nighttime hours on the 10th, at the Glasgow Airport (KGGW) ASOS.

Blizzard in SHERIDAN, MONTANA
From 10-MAR-23 15:15:00 to 11-MAR-23 14:35:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Intermittent blizzard conditions were reported from the afternoon of the 10th to the afternoon of the 11th, at the Sher-wood Airport (KPWD) AWOS.

Blizzard in DAWSON, MONTANA
From 11-MAR-23 09:22:00 to 11-MAR-23 12:56:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Intermittent blizzard conditions were reported from morning to midday on the 11th, at the Glendive Airport (KGDV) ASOS.

Blizzard in WIBAUX, MONTANA
From 11-MAR-23 08:55:00 to 11-MAR-23 17:15:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Intermittent blizzard conditions were reported from the morning to the early evening hours on the 11th, at the Beach Airport (K20U) ASOS.

Blizzard in NORTHERN PHILLIPS, MONTANA
From 10-MAR-23 12:00:00 to 10-MAR-23 18:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter located at 12 NE Whitewater reported blizzard conditions between the midday and evening hours on the 10th.

Heavy Snow in NORTHERN PHILLIPS, MONTANA
From 10-MAR-23 12:00:00 to 10-MAR-23 20:34:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported an estimated 8.0 inches of snow at 12 NE Whitewater.

Blizzard in EASTERN ROOSEVELT, MONTANA
From 10-MAR-23 15:00:00 to 11-MAR-23 18:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter located in Bainville reported blizzard conditions as well as drifts up to 4 feet deep.

Blizzard in EASTERN ROOSEVELT, MONTANA
From 10-MAR-23 15:00:00 to 11-MAR-23 15:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter in Froid reported intermittent blizzard conditions from the afternoon of the 10th to the afternoon of the 11th.

Heavy Snow in EASTERN ROOSEVELT, MONTANA
From 10-MAR-23 15:00:00 to 11-MAR-23 15:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported an estimated 7.0 inches of snow in Froid.

Heavy Snow in CENTRAL AND SOUTHERN VALLEY, MONTANA
From 10-MAR-23 08:05:00 to 11-MAR-23 14:15:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Across Central and Southern Valley County, measured snowfall amounts ranged from 4.0 to 9.0 inches.  The greatest amount of 9.0 inches was measured by a trained spotter at 4 SW Hinsdale.

Blizzard in NORTHERN VALLEY, MONTANA
From 10-MAR-23 08:00:00 to 11-MAR-23 12:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter located at 6 ESE Port of Opheim reported blizzard conditions between the morning of the 10th to midday on the 11th.

Blizzard in WIBAUX, MONTANA
From 11-MAR-23 08:00:00 to 11-MAR-23 11:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter located  at 8 SW Saint Phillip reported blizzard conditions on the morning of the 11th.  Times are estimated.

Heavy Snow in DANIELS, MONTANA
From 10-MAR-23 09:30:00 to 11-MAR-23 19:30:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Public reported 7.0 inches of snow in Scobey.

Blizzard in SHERIDAN, MONTANA
From 10-MAR-23 15:00:00 to 11-MAR-23 14:35:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

A COOP Observer in Plentywood reported blizzard conditions starting on the afternoon of the 10th.  Blizzard conditions were still occurring at the time of the report which was the morning of the 11th.

Heavy Snow in LITTLE ROCKY MOUNTAINS, MONTANA
From 10-MAR-23 12:00:00 to 11-MAR-23 07:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

A COOP Observer reported an estimated 6.0 inches of snow in Zortman.