Colorado, 1999

Winter Storm in Colorado, February 10 to 11, 1999

February 10 to 11, 1999 · NWS BOU · 4 events in 4 counties and zones

Heavy snow developed over southern sections of the Denver Metropolitan Area and along Monument Ridge during the evening hours. Although snowfall totals elsewhere only ranged from 1 to 3 inches, strong gusty winds caused near blizzard conditions to develop in eastern Larimer County as well as western and southern portions of Weld County.

Where it happened

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.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

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The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
4

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.

What happened

The episode as NWS BOU wrote it up.

Heavy snow developed over southern sections of the Denver Metropolitan Area and along Monument Ridge during the evening hours. Snowfall totals included: 6 inches at Eaglecrest, 6.5 inches at Highlands Ranch and 4 miles northwest of Larkspur, and 8.5 inches, 5 miles south-southeast of Sedalia.Although snowfall totals elsewhere only ranged from 1 to 3 inches, strong gusty winds caused near blizzard conditions to develop in eastern Larimer County as well as western and southern portions of Weld County. Whiteout conditions were reported at Ault, Eaton, Greeley, Kersey, Keenesburg and along U.S. Highway 85 south of Greeley. Numerous accidents were reported, one which resulted in a fatality.

The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

4 winter storm. Local standard time, as filed.

Winter Storm, Southern Weld County/Greeley and Vicinity

When
February 10, 6:00 PM MST to February 11, 12:00 AM MST
Where
Southern Weld County/Greeley and Vicinity forecast zone
Reported by
BROADCAST MEDIA
Coordinates
40.555, -104.392 (the zone’s center; the record gives no point)

Winter Storm, Denver Metropolitan Area

When
February 10, 6:00 PM MST to February 11, 12:00 AM MST
Where
Denver Metropolitan Area forecast zone
Reported by
TRAINED SPOTTER
Coordinates
39.714, -104.707 (the zone’s center; the record gives no point)

Winter Storm, Eastern Douglas and Western Elbert Counties/Castle Rock and Vicinity

When
February 10, 6:00 PM MST to February 11, 12:00 AM MST
Where
Eastern Douglas and Western Elbert Counties/Castle Rock and Vicinity forecast zone
Reported by
TRAINED SPOTTER
Coordinates
39.422, -104.468 (the zone’s center; the record gives no point)

\

Winter Storm, Eastern Larimer and Northwestern Weld Counties

When
February 10, 6:00 PM MST to February 11, 12:00 AM MST
Where
Eastern Larimer and Northwestern Weld Counties forecast zone
Reported by
BROADCAST MEDIA
Coordinates
40.611, -104.926 (the zone’s center; the record gives no point)

What these are

Winter Storm
A storm that brought snow, sleet or freezing rain at warning levels, usually over several hours or days.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Colorado in 1999Every state in 1999This day in weather historyWarnings in Colorado, February 1999

Sources

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 2026-09-24. Each event’s entry at NCEI: 5681714, 5681715, 5681716, 5681717.