Wyoming, 1999

High Wind in Wyoming, February 2 to 3, 1999

February 2 to 3, 1999 · NWS CYS · 11 events in 11 counties and zones

West winds were sustained at 35 to 45 mph across all of southeast Wyoming with gusts as high as 85 mph. Dozens of trailers were blown over on Interstate 25 north of Cheyenne, and on Interstate 80 west of Laramie.

Where it happened

Every event with a place to put it; 2 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
$148,000
Crop damage
None recorded
Events
11

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.

West winds were sustained at 35 to 45 mph across all of southeast Wyoming with gusts as high as 85 mph. Dozens of trailers were blown over on Interstate 25 north of Cheyenne, and on Interstate 80 west of Laramie. A record wind gust for the month of February was reported at the National Weather Service Office in Cheyenne. Many billboards, power lines, trees and awnings were blown down around the city. A gas station canopy was also ripped off by the winds. In Wheatland, trees were blown down and a barn was destroyed by the winds. In Converse County, the winds damaged house siding, roof shingles and vehicle windows. a semi-trailer was overturned on Interstate 25 between Douglas and Glenrock. Winds in this area were sustained at 35 to 50 mph, with gusts to 60 mph.

The radar

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

Open the radar archive at this moment

Event by event

11 high wind. Local standard time, as filed.

High Wind, Cheyenne Foothills

When
February 2, 4:30 AM MST to February 3, 10:57 AM MST
Where
Cheyenne Foothills forecast zone
Measured
62 kt (71 mph)
Property damage
$60,000
Reported by
OFFICIAL NWS OBS.

High Wind, Converse

When
February 2, 4:30 AM MST to February 3, 10:57 AM MST
Where
Converse forecast zone
Measured
48 kt (55 mph)
Property damage
$43,000
Reported by
OFFICIAL NWS OBS.
Coordinates
43.841, -104.568 (the zone’s center; the record gives no point)

High Wind, Goshen

When
February 2, 4:30 AM MST to February 3, 10:57 AM MST
Where
Goshen forecast zone
Measured
60 kt (69 mph)
Reported by
OFFICIAL NWS OBS.

High Wind, Laramie Range

When
February 2, 4:30 AM MST to February 3, 10:57 AM MST
Where
Laramie Range forecast zone
Measured
75 kt (86 mph)
Reported by
OFFICIAL NWS OBS.

High Wind, Laramie Valley

When
February 2, 4:30 AM MST to February 3, 10:57 AM MST
Where
Laramie Valley forecast zone
Measured
61 kt (70 mph)
Property damage
$15,000
Reported by
OFFICIAL NWS OBS.

High Wind, Niobrara

When
February 2, 4:30 AM MST to February 3, 10:57 AM MST
Where
Niobrara forecast zone
Measured
81 kt (93 mph)
Reported by
OFFICIAL NWS OBS.
Coordinates
44.589, -104.570 (the zone’s center; the record gives no point)

High Wind, North Carbon

When
February 2, 4:30 AM MST to February 3, 10:57 AM MST
Where
North Carbon forecast zone
Measured
71 kt (82 mph)
Reported by
OFFICIAL NWS OBS.

High Wind, Pine Bluffs

When
February 2, 4:30 AM MST to February 3, 10:57 AM MST
Where
Pine Bluffs forecast zone
Measured
69 kt (79 mph)
Reported by
OFFICIAL NWS OBS.

High Wind, Platte

When
February 2, 4:30 AM MST to February 3, 10:57 AM MST
Where
Platte forecast zone
Measured
71 kt (82 mph)
Property damage
$10,000
Reported by
OFFICIAL NWS OBS.

High Wind, Snowy Range

When
February 2, 4:30 AM MST to February 3, 10:57 AM MST
Where
Snowy Range forecast zone
Measured
60 kt (69 mph)
Property damage
$20,000
Reported by
OFFICIAL NWS OBS.

High Wind, Southwest Carbon

When
February 2, 4:30 AM MST to February 3, 10:57 AM MST
Where
Southwest Carbon forecast zone
Measured
61 kt (70 mph)
Reported by
OFFICIAL NWS OBS.

What these are

High Wind
Sustained non-thunderstorm winds of 40 mph or more for an hour, or gusts of 58 mph or more.

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, 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: 5681814, 5681815, 5681868, 5681869, 5681870, 5681871, 5681872, 5681873, 5681874, 5681875, 5681876.