Heavy snow fell over portions of the Front Range Foothills and Urban Corridor. The heaviest snowfall occurred in the foothills south of Interstate 70 and along the Palmer Divide.
Every event with a place to put it; 4 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS BOU wrote it up.
Heavy snow fell over portions of the Front Range Foothills and Urban Corridor. The heaviest snowfall occurred in the foothills south of Interstate 70 and along the Palmer Divide. Snowfall totals included: 25 inches, 7 miles south of Tiny Town, 18 inches at Conifer, 16 inches at Larkspur, 15 inches, 8 miles northwest of Evergreen, 14 inches at Chief Hosa, 8 miles west of Castle Rock and 3 miles north of Blackhawk, 12 inches at Pine Junction and 8 miles south of Sedalia, 11 inches at Floyd Hill and Roxbourgh, 10 inches at Castle Rock, with lesser amounts from 5 to 8 inches reported elsewhere. Around the Denver Metropolitan area, snowfall totals included: 10 inches at Highlands Ranch, 9 inches at Parker, with 8 inches reported at Aurora and Wheat Ridge. Elsewhere around the metro area, snowfall generally ranged from 3 to 5 inches.
The national radar mosaic for the moment the first event began.
4 heavy snow. Local standard time, as filed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Colorado in 1999Every state in 1999This day in weather historyWarnings in Colorado, December 1999
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-10-01. Each event’s entry at NCEI: 5721246, 5721247, 5721248, 5721249.