The Cheyenne Office of the National Weather Service on Wednesday evening issued the following weather update for southeastern Wyoming and western Nebraska:

  • Moderate to high confidence for travel impacts over 6000 feet due to snow and drifting snow. This includes locations along I-80 between Cheyenne and Arlington. It also includes the Snowy and Sierra Madre mountain ranges. Total Snowfall amounts are found on the graphic below.  Winter Storm Warnings and Watches are also in effect for much of southeast Wyoming.
  • Low confidence for travel impacts below 6000 feet. This will greatly depend on the timing of the change-over to snow across the lower elevations along with when the heaviest snow falls (i.e. greater impacts if the heavier snow occurs at night).  Many variables come into play for snow accumulations across the lower elevations this time of the year.  Little or no snow accumulation expected below 5000 feet.
  • Potential Power Outages.  The heavy snow combined with the spring foliage peaking may result in some power outages, especially in locations that see the heavier snowfall. This includes the counties of Carbon, Albany, Platte and Laramie counties. Strong winds at 25 to 30 mph with gusts 35 mph may also enhance this impact
  • Western Nebraska:

  • Mostly rain expected with some light snow accumulations possible across the higher ridges. With the potential for widespread moderate to heavy rain, streams and creeks will likely rise into the weekend.
  • Winter Headlines2 5-17

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