Wyoming, 2005

Heavy Snow in Wyoming, March 23 to 24, 2005

March 23 to 24, 2005 · NWS RIW · 17 events in 17 counties and zones

An early spring snowstorm brought snow to the mountains and valleys of western and central Wyoming. Three to six inches of snow fell across most lower elevations.

Where it happened

Every event with a place to put it; 17 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
17

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.

An early spring snowstorm brought snow to the mountains and valleys of western and central Wyoming. Three to six inches of snow fell across most lower elevations. The western mountains generally received 8 to 12 inches of new snow from the event. In addition, gusty winds created very low visibilities at times further impacting travel conditions throughout the area.

The radar

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

Open the radar archive at this moment

Event by event

17 heavy snow. Local standard time, as filed.

Heavy Snow, Natrona County Lower Elevations

When
March 23, 4:00 PM MST to March 24, 12:00 PM MST
Where
Natrona County Lower Elevations forecast zone
Reported by
TRAINED SPOTTER
Coordinates
42.962, -106.798 (the zone’s center; the record gives no point)

Heavy Snow, Casper Mountain

When
March 23, 4:00 PM MST to March 24, 12:00 PM MST
Where
Casper Mountain forecast zone
Reported by
TRAINED SPOTTER
Coordinates
42.962, -106.798 (the zone’s center; the record gives no point)

Heavy Snow, Cody Foothills

When
March 23, 4:00 PM MST to March 24, 12:00 PM MST
Where
Cody Foothills forecast zone
Reported by
TRAINED SPOTTER
Coordinates
44.521, -109.588 (the zone’s center; the record gives no point)

Heavy Snow, Wind River Basin

When
March 23, 4:00 PM MST to March 24, 12:00 PM MST
Where
Wind River Basin forecast zone
Reported by
TRAINED SPOTTER
Coordinates
43.041, -108.630 (the zone’s center; the record gives no point)

Heavy Snow, Lander Foothills

When
March 23, 4:00 PM MST to March 24, 12:00 PM MST
Where
Lander Foothills forecast zone
Reported by
TRAINED SPOTTER
Coordinates
43.041, -108.630 (the zone’s center; the record gives no point)

Heavy Snow, Upper Green River Basin

When
March 23, 4:00 PM MST to March 24, 12:00 PM MST
Where
Upper Green River Basin forecast zone
Reported by
TRAINED SPOTTER
Coordinates
42.433, -109.520 (the zone’s center; the record gives no point)

Heavy Snow, Upper Green River Basin Foothills

When
March 23, 4:00 PM MST to March 24, 12:00 PM MST
Where
Upper Green River Basin Foothills forecast zone
Reported by
TRAINED SPOTTER
Coordinates
42.767, -109.915 (the zone’s center; the record gives no point)

Heavy Snow, Rock Springs & Green River

When
March 23, 4:00 PM MST to March 24, 12:00 PM MST
Where
Rock Springs & Green River forecast zone
Reported by
TRAINED SPOTTER
Coordinates
41.660, -108.879 (the zone’s center; the record gives no point)

Heavy Snow, Teton & Gros Ventre Mountains

When
March 23, 4:00 PM MST to March 24, 12:00 PM MST
Where
Teton & Gros Ventre Mountains forecast zone
Reported by
TRAINED SPOTTER
Coordinates
43.002, -109.948 (the zone’s center; the record gives no point)

Heavy Snow, Jackson Hole

When
March 23, 4:00 PM MST to March 24, 12:00 PM MST
Where
Jackson Hole forecast zone
Reported by
TRAINED SPOTTER
Coordinates
43.100, -110.623 (the zone’s center; the record gives no point)

Heavy Snow, Star Valley

When
March 23, 4:00 PM MST to March 24, 12:00 PM MST
Where
Star Valley forecast zone
Reported by
TRAINED SPOTTER
Coordinates
42.264, -110.656 (the zone’s center; the record gives no point)

Heavy Snow, Salt River & Wyoming Ranges

When
March 23, 4:00 PM MST to March 24, 12:00 PM MST
Where
Salt River & Wyoming Ranges forecast zone
Reported by
TRAINED SPOTTER
Coordinates
42.516, -110.286 (the zone’s center; the record gives no point)

Heavy Snow, South Lincoln County

When
March 23, 4:00 PM MST to March 24, 12:00 PM MST
Where
South Lincoln County forecast zone
Reported by
TRAINED SPOTTER
Coordinates
42.264, -110.656 (the zone’s center; the record gives no point)

Heavy Snow, Wind River Mountains West

When
March 23, 4:00 PM MST to March 24, 12:00 PM MST
Where
Wind River Mountains West forecast zone
Reported by
TRAINED SPOTTER
Coordinates
42.904, -109.273 (the zone’s center; the record gives no point)

Heavy Snow, Wind River Mountains East

When
March 23, 4:00 PM MST to March 24, 12:00 PM MST
Where
Wind River Mountains East forecast zone
Reported by
TRAINED SPOTTER
Coordinates
42.904, -109.273 (the zone’s center; the record gives no point)

Heavy Snow, Upper Wind River Basin

When
March 23, 4:00 PM MST to March 24, 12:00 PM MST
Where
Upper Wind River Basin forecast zone
Reported by
TRAINED SPOTTER
Coordinates
43.041, -108.630 (the zone’s center; the record gives no point)

Heavy Snow, Green Mountains & Rattlesnake Range

When
March 23, 4:00 PM MST to March 24, 12:00 PM MST
Where
Green Mountains & Rattlesnake Range forecast zone
Reported by
TRAINED SPOTTER
Coordinates
42.554, -108.102 (the zone’s center; the record gives no point)

What these are

Heavy Snow
Snowfall reaching the local warning threshold without the other hazards of a winter storm.

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

The same day elsewhere

More

Every storm in Wyoming in 2005Every state in 2005This day in weather historyWarnings in Wyoming, March 2005

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: 5441817, 5441818, 5441819, 5441820, 5441821, 5441822, 5441823, 5441824, 5441825, 5441826, 5441827, 5441828, 5441829, 5441830, 5441831, 5441832, 5441833.