Arctic air at the surface, combined with a moist flow off the Pacific, resulted in an over-running event which brought heavy snow across the entire Billings Forecast area.

Winter Storm in SOUTHERN ROSEBUD, MONTANA
From 03-FEB-18 10:00:00 to 05-FEB-18 06:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Severe driving conditions were reported on Lame Deer Divide.

Winter Storm in POWDER RIVER, MONTANA
From 03-FEB-18 10:00:00 to 05-FEB-18 07:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall of 10 inches was reported across the area.

Winter Storm in CUSTER, MONTANA
From 03-FEB-18 10:00:00 to 04-FEB-18 08:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall of 5 to 7 inches along with treacherous travel conditions were reported across the area.

Winter Storm in NORTHERN ROSEBUD, MONTANA
From 03-FEB-18 10:00:00 to 05-FEB-18 08:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall of 6 inches was reported. In addition, severe driving conditions were reported on I-94.

Winter Storm in ABSAROKEE / BEARTOOTH MOUNTAINS, MONTANA
From 03-FEB-18 13:00:00 to 05-FEB-18 02:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

White Mill and Fisher Creek Snotels both reported over a foot of new snow.

Winter Weather in EASTERN CARBON, MONTANA
From 05-FEB-18 16:00:00 to 05-FEB-18 16:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Highway 212 was closed for nearly four hours during the afternoon and evening on February 5th due to a fatal crash three miles west of Joliet. According to Montana Highway Patrol, a man was driving southbound and attempted to pass a pickup in front of him, but with whiteout conditions created from a plow further ahead, he could not see a car coming from the opposite direction. This caused a chain-reaction crash.

Winter Storm in NORTHERN BIG HORN, MONTANA
From 03-FEB-18 11:00:00 to 05-FEB-18 17:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall of 6+ inches along with severe driving conditions were reported across the area.

Winter Storm in JUDITH GAP, MONTANA
From 03-FEB-18 13:00:00 to 05-FEB-18 17:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Highway 191 through Judith Gap was closed due to high winds, heavy snow and blowing and drifting snow.

Winter Storm in EASTERN CARBON, MONTANA
From 03-FEB-18 17:00:00 to 05-FEB-18 15:30:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Highway 212 was closed due to snowpacked and icy conditions.

Winter Storm in SOUTHERN BIG HORN, MONTANA
From 03-FEB-18 11:00:00 to 05-FEB-18 08:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

The Lame Deer area received around 9 inches of snow.

Winter Storm in YELLOWSTONE, MONTANA
From 03-FEB-18 10:30:00 to 05-FEB-18 07:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall around 6 inches was reported across the area.

Winter Storm in NORTHERN STILLWATER, MONTANA
From 03-FEB-18 16:00:00 to 04-FEB-18 15:30:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall of 1 to 2 inches along with severe driving conditions was reported across the area.

Winter Storm in TREASURE, MONTANA
From 03-FEB-18 10:00:00 to 05-FEB-18 08:15:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall of 6 to 10 inches was reported across the area.

Winter Storm in MUSSELSHELL, MONTANA
From 03-FEB-18 11:00:00 to 05-FEB-18 07:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall around 6 inches was reported across the area.