Expect extremely dangerous or impossible travel conditions with slick, snow covered roads and very low visibilities.
National Weather Service Cheyenne WY – Oct 6 2018
EARLY SEASON STORM TO BRING WIDESPREAD SNOW TO SOUTHEAST WYOMING TONIGHT THROUGH MONDAY…
Snowy Range-Including the cities of Centennial and Albany
WINTER STORM WARNING UNTIL MIDNIGHT MONDAY NIGHT…
Heavy snow expected. Total snow accumulations of 10 to 15 inches with localized amounts up to 20 inches expected.
Snowy Mountain Range. Highest amounts above 9000 feet.
Thanks to Kenneth Lund for this link