Wyoming, 1998

Winter Storm in Wyoming, December 18 to 19, 1998

December 18 to 19, 1998 · NWS CYS · 6 events in 6 counties and zones

A winter storm dumped 12 to 18 inches of snow on the southeast mountains, and 8 to 10 inches of snow on parts of the adjacent plains. Interstates 80 and 25 in southeast Wyoming were closed due to icy conditions and poor visibilities.

The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
6

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 CYS wrote it up.

A winter storm dumped 12 to 18 inches of snow on the southeast mountains, and 8 to 10 inches of snow on parts of the adjacent plains. Interstates 80 and 25 in southeast Wyoming were closed due to icy conditions and poor visibilities.

Event by event

6 winter storm. Local standard time, as filed.

Winter Storm, Cheyenne Foothills / C Laramie

When
December 18, 3:40 PM MST to December 19, 9:00 AM MST
Where
Cheyenne Foothills / C Laramie forecast zone
Reported by
GENERAL PUBLIC

Winter Storm, Laramie Range / Se Albany / W Laramie

When
December 18, 3:40 PM MST to December 19, 9:00 AM MST
Where
Laramie Range / Se Albany / W Laramie forecast zone
Reported by
GENERAL PUBLIC

Winter Storm, Pine Bluffs / E Laramie

When
December 18, 3:40 PM MST to December 19, 9:00 AM MST
Where
Pine Bluffs / E Laramie forecast zone
Reported by
GENERAL PUBLIC

Winter Storm, Snowy Range / Se Carbon / X Sw Albany

When
December 18, 3:40 PM MST to December 19, 9:00 AM MST
Where
Snowy Range / Se Carbon / X Sw Albany forecast zone
Reported by
GENERAL PUBLIC

Winter Storm, North Carbon

When
December 18, 3:40 PM MST to December 19, 9:00 AM MST
Where
North Carbon forecast zone
Reported by
GENERAL PUBLIC

Winter Storm, Southwest Carbon

When
December 18, 3:40 PM MST to December 19, 9:00 AM MST
Where
Southwest Carbon forecast zone
Reported by
GENERAL PUBLIC

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 1998Every state in 1998This day in weather historyWarnings in Wyoming, December 1998

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: 5677274, 5677275, 5677276, 5677277, 5677278, 5677279.