Wyoming, 1997

Blizzard in Wyoming, January 11 to 12, 1997

January 11 to 12, 1997 · NWS RIW · 4 events in 4 counties and zones

Blizzard conditions over Sweetwater and southern Lincoln counties. Sustained winds of 40 mph and visibilities less than 100 feet at times.

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 RIW wrote it up.

Blizzard conditions over Sweetwater and southern Lincoln counties. Sustained winds of 40 mph and visibilities less than 100 feet at times.

The radar

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

Open the radar archive at this moment

Event by event

4 blizzard. Local standard time, as filed.

Blizzard, Lander Foothills

When
January 11, 5:00 PM MST to January 12, 6:00 PM MST
Where
Lander Foothills forecast zone
Coordinates
43.041, -108.630 (the zone’s center; the record gives no point)

Blizzard, Casper Mountain

When
January 11, 5:00 PM MST to January 12, 6:00 PM MST
Where
Casper Mountain forecast zone
Coordinates
42.962, -106.798 (the zone’s center; the record gives no point)

Blizzard, Star Valley

When
January 11, 5:00 PM MST to January 12, 6:00 PM MST
Where
Star Valley forecast zone
Coordinates
42.264, -110.656 (the zone’s center; the record gives no point)

Blizzard, Salt River & Wyoming Ranges

When
January 11, 5:00 PM MST to January 12, 6:00 PM MST
Where
Salt River & Wyoming Ranges forecast zone
Coordinates
42.516, -110.286 (the zone’s center; the record gives no point)

What these are

Blizzard
Sustained winds or frequent gusts of 35 mph or more with falling or blowing snow that cuts visibility below a quarter mile for three hours or longer.

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

The same day elsewhere

More

Every storm in Wyoming in 1997Every state in 1997This day in weather historyWarnings in Wyoming, January 1997

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: 5596128, 5596129, 5596130, 5596131.