Another early season arctic airmass moved into the Billings Forecast Area toward the end of the month. At the same time, a strong upper level disturbance combined with moisture off the Pacific resulted in an overrunning event across south central Montana. The combination of these factors brought another round of heavy, wet snow to a large portion of the forecast area.

Winter Storm in SOUTHERN ROSEBUD, MONTANA
From 24-OCT-20 00:30:00 to 25-OCT-20 05:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall around 12 inches was reported across the area. Chains were required for the higher hills.

Winter Storm in JUDITH GAP, MONTANA
From 23-OCT-20 16:00:00 to 24-OCT-20 18:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

The Judith Gap area received 12 inches of snow.

Winter Storm in CRAZY MOUNTAINS, MONTANA
From 23-OCT-20 16:00:00 to 24-OCT-20 13:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

Snowfall of 16 inches occurred in the Crazy Mountains.

Winter Storm in LIVINGSTON AREA, MONTANA
From 23-OCT-20 16:30:00 to 24-OCT-20 19:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall of 5 to 11 inches was reported across the area.

Winter Storm in SOUTHERN WHEATLAND, MONTANA
From 23-OCT-20 17:00:00 to 24-OCT-20 15:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall around 12 inches was reported around Twodot.

Winter Storm in GOLDEN VALLEY, MONTANA
From 23-OCT-20 17:00:00 to 24-OCT-20 19:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall of 7 to 8 inches was reported across the area.

Winter Storm in NORTHERN SWEET GRASS, MONTANA
From 23-OCT-20 18:00:00 to 25-OCT-20 01:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall of 9 to 14 inches was reported across the area.

Winter Storm in NORTHERN PARK COUNTY, MONTANA
From 23-OCT-20 18:00:00 to 24-OCT-20 19:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall amounts of 8 to 12 inches occurred across the area.

Winter Storm in MELVILLE FOOTHILLS, MONTANA
From 23-OCT-20 19:00:00 to 25-OCT-20 01:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall of 13 inches was common across the area.

Winter Storm in BEARTOOTH FOOTHILLS, MONTANA
From 23-OCT-20 19:00:00 to 25-OCT-20 01:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

The Nye area received 12 inches of snow.

Winter Storm in ABSAROKA / BEARTOOTH MOUNTAINS, MONTANA
From 23-OCT-20 19:00:00 to 25-OCT-20 01:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

Snowfall of 12 to 18 inches occurred in the Absaroka/Beartooth Mountains.

Winter Storm in MUSSELSHELL, MONTANA
From 23-OCT-20 19:45:00 to 24-OCT-20 19:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall of 6 inches was reported across the area.

Winter Storm in NORTHERN STILLWATER, MONTANA
From 23-OCT-20 20:00:00 to 24-OCT-20 18:00:00 (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 NORTHERN ROSEBUD, MONTANA
From 23-OCT-20 22:00:00 to 24-OCT-20 19:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall of 6 to 8 inches was reported across the area.

Winter Storm in SOUTHWESTERN YELLOWSTONE, MONTANA
From 23-OCT-20 23:00:00 to 25-OCT-20 01:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall of 4 to 8 inches was reported across the area.

Winter Storm in NORTHEASTERN YELLOWSTONE, MONTANA
From 23-OCT-20 23:30:00 to 24-OCT-20 19:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall of 6 to 7 inches was reported across the area.

Winter Storm in PRYOR/NORTHERN BIGHORN MOUNTAINS, MONTANA
From 24-OCT-20 01:00:00 to 25-OCT-20 01:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall of 6 to 13 inches was reported across the area.

Winter Storm in NORTHERN CARBON, MONTANA
From 24-OCT-20 01:00:00 to 25-OCT-20 03:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Up to 12 inches of snow was reported.

Winter Storm in RED LODGE FOOTHILLS, MONTANA
From 24-OCT-20 02:00:00 to 25-OCT-20 01:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall of 6 to 7 inches was reported across the area.

Winter Storm in BIGHORN CANYON, MONTANA
From 24-OCT-20 03:00:00 to 25-OCT-20 05:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall around 7 inches was reported across the area.

Winter Storm in SOUTHERN BIG HORN, MONTANA
From 24-OCT-20 03:00:00 to 25-OCT-20 05:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snowfall amounts of 6 to 12 inches were common across the area.