Wyoming, 2018

Winter Weather in Wyoming, March 25 to 26, 2018

March 25 to 26, 2018 · NWS CYS · 4 events in 4 counties and zones

A upper level disturbance produced light to moderate snowfall over portions of south central and southeast Wyoming. Snow totals varied between two and five inches.

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 CYS wrote it up.

A upper level disturbance produced light to moderate snowfall over portions of south central and southeast Wyoming. Snow totals varied between two and five inches.

What forecasters said that day

The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Cheyenne, WY wrote its last area forecast discussion before the first event at Mar 25, 4:15 PM MST, 1 hour 45 minutes earlier.

Area forecast discussion, Mar 25, 4:15 PM MST, 1 hour 45 minutes before
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Hazardous weather outlook, Mar 25, 5:18 AM MST, 12 hours 42 minutes before
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The radar

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

Open the radar archive at this moment

Event by event

4 winter weather. Local standard time, as filed.

Winter Weather, Converse County Lower Elevations

When
March 25, 6:00 PM MST to March 26, 6:00 AM MST
Where
Converse County Lower Elevations forecast zone
Reported by
Law Enforcement
Coordinates
42.972, -105.507 (the zone’s center; the record gives no point)

Two to four inches of snow was observed across much of Converse County.

Winter Weather, Niobrara County

When
March 25, 6:00 PM MST to March 26, 6:00 AM MST
Where
Niobrara County forecast zone
Reported by
Law Enforcement
Coordinates
43.057, -104.475 (the zone’s center; the record gives no point)

Two to four inches of snow was observed across much of Niobrara County.

Winter Weather, Ferris/Seminoe/Shirley Mountains

When
March 25, 6:00 PM MST to March 26, 6:00 AM MST
Where
Ferris/Seminoe/Shirley Mountains forecast zone
Reported by
Law Enforcement
Coordinates
41.695, -106.931 (the zone’s center; the record gives no point)

Two to four inches of snow was observed across northern Carbon County.

Winter Weather, South Laramie Range

When
March 25, 6:00 PM MST to March 26, 6:00 AM MST
Where
South Laramie Range forecast zone
Reported by
Department of Highways
Coordinates
41.481, -105.207 (the zone’s center; the record gives no point)

Three to five inches of snow was observed over much of the South Laramie Range.

What these are

Winter Weather
Snow, sleet or freezing rain below warning levels that still caused disruption, damage or casualties.

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

The same day elsewhere

More

Every storm in Wyoming in 2018Every state in 2018This day in weather historyWarnings in Wyoming, March 2018

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: 760999, 761000, 761001, 761002.