Wyoming, 1999

Winter Storm in Wyoming, December 3, 1999

December 3, 1999 · NWS CYS · 2 events in 2 counties and zones

2 winter storm, as filed by the National Weather Service.

The toll

Deaths
1
Injuries
4
Property damage
$45,000
Crop damage
None recorded
Events
2

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.

Event by event

2 winter storm. Local standard time, as filed.

Winter Storm, Laramie Range

When
December 3, 6:00 AM MST to 6:00 PM MST
Where
Laramie Range forecast zone
Injuries
3 direct, 0 indirect
Property damage
$30,000
Reported by
NEWSPAPER

Icy roads from snowfall resulted in a few serious accidents. The most significant was a collision between two semi trucks on Interstate 80 about 17 miles west of Cheyenne, Wy.

Winter Storm, Laramie Valley

When
December 3, 6:00 AM MST to 6:00 PM MST
Where
Laramie Valley forecast zone
Deaths
1 direct, 0 indirect
Injuries
1 direct, 0 indirect
Property damage
$15,000
Reported by
NEWSPAPER

Icy roads resulted in a couple of accidents near Laramie, WY, with one fatality occurring in a rollover on Interstate 80 about 6 miles west of Laramie, WY.

The people who died

As the offices recorded each death: direct deaths were caused by the weather itself, indirect ones by something it set in motion.

EventDateAgeSexWhereKind
Winter Storm, Laramie Valley1999-12-0350MaleVehicle/Towed TrailerDirect

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 Wyoming in 1999Every state in 1999This day in weather historyWarnings in Wyoming, December 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: 5721521, 5721522.