WWUS45 KCYS 160734
WSWCYS

URGENT - WINTER WEATHER MESSAGE
National Weather Service Cheyenne WY
134 AM MDT Sat May 16 2026

...LATE SEASON HEAVY SNOWFALL EXPECTED FOR THE MOUNTAINS AND
FOOTHILLS LATE SUNDAY THROUGH MONDAY...

WYZ103-114-162200-
/O.NEW.KCYS.WS.A.0005.260518T0000Z-260519T0000Z/
North Laramie Range-Snowy Range-
Including the cities of Albany, Centennial, and Garrett
134 AM MDT Sat May 16 2026

...WINTER STORM WATCH IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY
AFTERNOON...

* WHAT...Heavy snow possible. Total snow accumulations over 12
  inches possible. Winds could gust as high as 30 to 40 mph.

* WHERE...Snowy Range and North Laramie Range.

* WHEN...From Sunday evening through Monday afternoon.

* IMPACTS...Heavy wet snow. Roads, and especially bridges, will
  likely become slick and hazardous.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts for updates on this situation.

&&

$$

WYZ104-110-162200-
/O.NEW.KCYS.WS.A.0005.260518T0000Z-260519T0000Z/
Ferris/Seminoe/Shirley Mountains-North Snowy Range Foothills-
Including the cities of Arlington, Elk Mountain, and Seminoe Dam
134 AM MDT Sat May 16 2026

...WINTER STORM WATCH IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY
AFTERNOON...

* WHAT...Heavy snow possible. Total snow accumulations over 6 inches
  possible. Winds could gust as high as 35 to 45 mph.

* WHERE...North Snowy Range Foothills including Arlington and Elk
  Mountain along Interstate 80, and Ferris/Seminoe/Shirley Mountains.

* WHEN...From Sunday evening through Monday afternoon.

* IMPACTS...Roads, and especially bridges and overpasses, will
  likely become slick and hazardous. Scattered power outages
  possible due to heavy wet snow on trees and powerlines.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts for updates on this situation.

&&

$$

WYZ116-162200-
/O.NEW.KCYS.WS.A.0005.260518T0000Z-260519T0000Z/
South Laramie Range-
Including the cities of Pumpkin Vine, Vedauwoo, and Buford
134 AM MDT Sat May 16 2026

...WINTER STORM WATCH IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY
AFTERNOON...

* WHAT...Heavy snow possible. Total snow accumulations over 6 inches
  possible. Winds could gust as high as 30 to 40 mph with some
  drifting snow expected.

* WHERE...South Laramie Range including the Interstate 80 Summit
  between Cheyenne and Laramie.

* WHEN...From Sunday evening through Monday afternoon.

* IMPACTS...Roads, and especially bridges and overpasses, will
  likely become slick and hazardous.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts for updates on this situation.

&&

$$

Trudel