Winter Weather Advisory issued October 15 at 12:55AM MDT until October 15 at 12:00PM MDT by NWS Cheyenne WY

Official severe-weather alerts, warning areas, and disaster updates.

expired · active · official-source

* WHAT...Snow expected. Total snow accumulations between 5 and 9 inches, mainly above 8000 ft in elevation. Winds gusting as high as 35 mph. * WHERE...Sierra Madre Range. * WHEN...Until noon MDT today. * IMPACTS...Travel could be difficult, especially near Battle Pass. Outdoor recreation could become difficult to those caught unprepared for hazardous winter conditions. Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.

Event time
Source last updated
Current version retrieved
Provider
NWS — active weather alerts (Storm)
Location
WY, US
Severity
Moderate
area
Sierra Madre Range
event
Winter Weather Advisory
onset
2026-10-15T00:55:00-06:00
states
["WY"]
urgency
Expected
certainty
Likely
effective
2026-10-15T00:55:00-06:00
message id
urn:oid:2.49.0.1.840.0.dcae4164fbd01748a2e858b39c9bce968a2a0f56.002.1
references
["urn:oid:2.49.0.1.840.0.e723300d7c457bc36431bb26a65f671efa19687e.004.1"]
instruction
Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.
message type
Update
location basis
Approximate: centers of the NWS zones listed in the alert
freshness minutes
60
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