Winter Weather Advisory issued October 13 at 1:32PM MDT until October 14 at 6:00AM MDT by NWS Riverton WY
Official severe-weather alerts, warning areas, and disaster updates.
expired · active · official-source
* WHAT...Snow. Additional snow accumulations of a coating to 3 inches for elevations up to 9,000 feet. Snow accumulations of 2 to 6 inches are expected across elevations of 9,000 feet and above. * WHERE...Wind River Mountains East and Wind River Mountains West. * WHEN...Until 6 AM MDT Wednesday. The time of maximum impact is most likely Tuesday afternoon into Tuesday night. * IMPACTS...Travel could be difficult especially across the backcountry. The hazardous conditions may impact the commutes across South Pass. * ADDITIONAL DETAILS...Snow accumulations of a coating to 2 inches along South Pass mainly on grassy surfaces. 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
- Wind River Mountains West; Wind River Mountains East
- event
- Winter Weather Advisory
- onset
- 2026-10-13T13:32:00-06:00
- states
- ["WY"]
- urgency
- Expected
- certainty
- Likely
- effective
- 2026-10-13T13:32:00-06:00
- message id
- urn:oid:2.49.0.1.840.0.512a60459e9aa500539b6642cc4efd67990007fc.001.1
- references
- ["urn:oid:2.49.0.1.840.0.90c8b4a39229c8960698acd5bcbeafcb4015786f.001.1"]
- 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
Source use policy · US government work (17 U.S.C. 105)
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Update history (1 recent revisions)
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