A well advertised cold front moves across the western Hi-Line area. Gusty westerly winds ahead of the front remain below warning criteria, resulting in the cancellation of the High Wind Warning for the Northern Rocky Mountain front and adjacent plains. Front continues dropping southward, reaching the Great Falls area between 8 and 9 AM, then moving into the Helena area around 11 AM to noon, and into the Bozeman area by late afternoon. Gusty west winds to shift more northerly along with quick drop in temperatures, with frontal passage. Most areas across the north and central observe high temperatures in the morning, with some near normal daytime highs in the southwest. Widespread precipitation expected lagging the front by a couple of hours for some areas. Precipitation begins as rain for a period before switching over to snow. Then, widespread snow Tuesday night through the day Wednesday. Best chances for snow along the Rocky Mountain Front and then from Great Falls to Lewistown and southward. North of this line brief period of snow and little accumulations. The remainder of moderate to brief heavy snow at times with blowing snow in gusty winds. Snow then diminishes later in the day through the evening Wednesday.

Heavy Snow in EASTERN GLACIER, MONTANA
From 08-OCT-19 00:01:00 to 08-OCT-19 09:35:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Spotter estimates 5 inches of snow 13 W Cut Bank so far this morning.

Heavy Snow in EASTERN TETON, MONTANA
From 08-OCT-19 09:30:00 to 08-OCT-19 12:30:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Choteau - Measured 3 inches of snowfall in 3 hours. Visibility 2 blocks.

Heavy Snow in EASTERN TETON, MONTANA
From 08-OCT-19 10:00:00 to 08-OCT-19 17:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Choteau - Trained spotter measured 7 inches of snowfall in 7 hours. Visibility 1/4 mi.

Heavy Snow in CASCADE, MONTANA
From 09-OCT-19 05:00:00 to 09-OCT-19 05:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Trained spotter 13 mi SSE Ulm on the Smith River measured 8 inches of snowfall at 0500 MST received overnight.

Heavy Snow in JUDITH BASIN, MONTANA
From 09-OCT-19 06:30:00 to 09-OCT-19 06:30:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Trained Spotter 1 E Hobson measured 8 inches of wet and heavy snow which fell overnight.

Heavy Snow in CASCADE, MONTANA
From 09-OCT-19 11:00:00 to 09-OCT-19 17:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Trained spotter measured 8 inches of snow in 6 hours. 0.81 inches of liquid reported for this snow event.

Heavy Snow in SOUTHERN LEWIS AND CLARK, MONTANA
From 09-OCT-19 00:01:00 to 09-OCT-19 11:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Trained spotter reports 8 inches of new snow overnight measured at 11 MST.

Winter Weather in BEAVERHEAD, MONTANA
From 09-OCT-19 18:00:00 to 09-OCT-19 18:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

COOP observer 1 SSW Dillon measures 7 inches snow depth.

Winter Weather in CASCADE, MONTANA
From 09-OCT-19 06:00:00 to 09-OCT-19 06:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Public report 5 SSW Great Falls 11.5 inches of snowfall measured with 8 inches of snow depth.

Winter Weather in JEFFERSON, MONTANA
From 09-OCT-19 09:30:00 to 09-OCT-19 09:30:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Public report 14 W Whitehall estimated snowfall 13.5 inches.

Winter Weather in MADISON, MONTANA
From 09-OCT-19 11:54:00 to 09-OCT-19 11:54:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Public report from Pony estimated snow depth 24 inches.

Winter Weather in GALLATIN, MONTANA
From 09-OCT-19 12:55:00 to 09-OCT-19 12:55:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

Public report 5 E Gallatin Gateway 7 inches of snow depth.

Winter Weather in FERGUS, MONTANA
From 09-OCT-19 14:04:00 to 09-OCT-19 14:04:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

Public 6 SE Moore report of 12 inch snow depth.

Heavy Snow in FERGUS, MONTANA
From 09-OCT-19 08:00:00 to 09-OCT-19 15:50:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Trained spotter 5 NE Hilger reports 4 inches of snowfall in almost 8 hours. Snow depth 11 inches. T = 21F, Wind = Calm.