An upper level trough moved into western Colorado from the west and pulled in a tap of subtropical moisture with it from the southwest. This resulted in moderate to heavy snow showers at times for much of the valleys and mountains. After a brief lull on the night of Sunday, January 6th showers redeveloped along the Continental Divide the morning of Monday the 7th as a weak shortwave trough moved through.

Winter Weather in GRAND AND BATTLEMENT MESAS, COLORADO
From 06-JAN-19 02:00:00 to 07-JAN-19 16:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Generally 6 to 12 inches of snow fell across the area.

Winter Weather in WEST ELK AND SAWATCH MOUNTAINS, COLORADO
From 06-JAN-19 04:00:00 to 07-JAN-19 14:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

An average of 6 to 12 inches of snow fell across the area with close to 17 inches reported at the Schofield Pass SNOTEL site.

Winter Weather in GORE AND ELK MOUNTAINS/CENTRAL MOUNTAIN VALLEYS, COLORADO
From 06-JAN-19 05:00:00 to 07-JAN-19 21:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Generally 4 to 8 inches of snow fell across the area with 12 inches estimated at Vail Mountain. The snow resulted in some slick road conditions along Interstate 70 with at least one rollover crash occurring at Vail Pass which closed westbound traffic for an hour.

Winter Weather in SAN JUAN RIVER BASIN, COLORADO
From 06-JAN-19 01:00:00 to 07-JAN-19 01:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Generally 2 to 4 inches of snow fell across the area.

Winter Weather in PARADOX VALLEY / LOWER DOLORES RIVER BASIN, COLORADO
From 06-JAN-19 01:00:00 to 06-JAN-19 23:30:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Generally 2 to 4 inches of snow fell across the area with a report of 6 inches 9 miles north-northeast of Paradox.

Winter Weather in FOUR CORNERS / UPPER DOLORES RIVER BASIN, COLORADO
From 05-JAN-19 23:00:00 to 06-JAN-19 23:30:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Generally 3 to 5 inches of snow fell across the area with up to 7 inches measured in Dolores. Winds gusted from 20 to 25 MPH. Adverse weather conditions led to some hazardous travel with a head-on crash occurring north of Cortez. The crash led to Colorado Highway 491 being closed for 2.5 hours and 3 people were left critically injured.

Winter Weather in SOUTHWESTERN SAN JUAN MOUNTAINS, COLORADO
From 05-JAN-19 22:00:00 to 07-JAN-19 02:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Generally 6 to 12 inches of snow fell across the area with close to 16 inches estimated at the Columbus Basin SNOTEL site. Winds gusted from 20 to 30 MPH. The combination of snow and wind resulted in some adverse weather conditions with Colorado Highway 550 being closed in both directions from Molas Pass and Ouray for a while.

Winter Weather in GRAND VALLEY, COLORADO
From 06-JAN-19 05:00:00 to 07-JAN-19 01:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Snowfall totals ranged from 3 to 6 inches across the Grand Valley with locally higher amounts up to 7.5 inches near Fruita.

Winter Weather in ROAN AND TAVAPUTS PLATEAUS, COLORADO
From 06-JAN-19 01:00:00 to 07-JAN-19 01:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Generally 6 to 10 inches of snow fell across the area with an estimated 8 to 10 inches on Baxter Pass. Winds gusted up to 25 MPH with a peak gust close to 50 MPH at Douglas Pass.

Winter Weather in DEBEQUE TO SILT CORRIDOR, COLORADO
From 06-JAN-19 03:00:00 to 07-JAN-19 01:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Generally 4 to 6 inches of snow fell across the area. Winds gusted from 25 to 35 MPH.

Winter Weather in FLATTOP MOUNTAINS, COLORADO
From 06-JAN-19 01:00:00 to 08-JAN-19 02:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: RAWS

An average of 4 to 8 inches of snow fell across the area with some locally higher amounts exceeding a foot. Winds gusted from 25 to 35 MPH with a peak gust of 50 MPH at the Dead Horse RAWS site.

Heavy Snow in ELKHEAD AND PARK MOUNTAINS, COLORADO
From 06-JAN-19 04:00:00 to 08-JAN-19 06:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Generally 10 to 20 inches of snow fell across the area with both the Lost Dog and Tower SNOTEL sites estimating over 20 inches.

Winter Weather in ANIMAS RIVER BASIN, COLORADO
From 06-JAN-19 00:30:00 to 07-JAN-19 02:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Generally 2 to 4 inches of snow fell across the area.