Wyoming, 2025

Winter Storm in Wyoming, November 17, 2025

November 17, 2025 · NWS CYS · 2 events in 2 counties and zones

High winds were ongoing in other parts of the CWA, but mountain snow was occurring in the Sierra Madre and Snowy Ranges.

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
None recorded
Crop damage
None recorded
Events
2

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.

High winds were ongoing in other parts of the CWA, but mountain snow was occurring in the Sierra Madre and Snowy Ranges.

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 Nov 17, 4:42 PM MST, 2 hours 48 minutes earlier.

Area forecast discussion, Nov 17, 4:42 PM MST, 2 hours 48 minutes before
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Hazardous weather outlook, Nov 17, 2:57 PM MST, 4 hours 33 minutes before
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In the hours before

Local storm report, Nov 17, 3:54 PM MST, 3 hours 36 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

2 winter storm. Local standard time, as filed.

Winter Storm, Sierra Madre Range

When
November 17, 7:30 PM MST
Where
Sierra Madre Range forecast zone
Reported by
Park/Forest Service
Coordinates
41.695, -106.931 (the zone’s center; the record gives no point)

The Whiskey Park SNOTEL in the Sierra Madre Range received 10.3 inches of snow over 24 hours as of 7:30pm on November 17th.

Winter Storm, Snowy Range

When
November 17, 7:55 PM MST
Where
Snowy Range forecast zone
Reported by
Park/Forest Service
Coordinates
41.675, -106.327 (the zone’s center; the record gives no point)

The North French Creek SNOTEL in the Snowy Range received 8.5 inches of snow over 24 hours as of 7:55pm on November 17th.

What these are

Winter Storm
A storm that brought snow, sleet or freezing rain at warning levels, usually over several hours or days.

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

The same day elsewhere

More

Every storm in Wyoming in 2025Every state in 2025This day in weather historyWarnings in Wyoming, November 2025

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 2026-10-01. Each event’s entry at NCEI: 1297934, 1297935.