Heavy mountain snow occurred in the Sierra Madre and Snowy Ranges on February 24th and 25th. Between 12 and 20 inches of snow fell in the mountains.
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.
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.
The episode as NWS CYS wrote it up.
Heavy mountain snow occurred in the Sierra Madre and Snowy Ranges on February 24th and 25th. Between 12 and 20 inches of snow fell in the mountains.
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 Feb 24, 10:38 AM MST, 4 hours 22 minutes earlier.
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</html>The national radar mosaic for the moment the first event began.
2 heavy snow. Local standard time, as filed.
The Cinnabar Park SNOTEL site recorded approximately 21.2 inches of snow over the duration of the event. Many other SNOTEL sites were in the 18 to 20 inch range.
The Whiskey Park SNOTEL site recorded approximately 18.8 inches of snow over the duration of the event. Many other SNOTEL sites were in the 12 to 16 inch range.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Wyoming in 2026Every state in 2026This day in weather historyWarnings in Wyoming, February 2026
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: 1313700, 1313699.