Expires:202409221500;Remove:202409221500;026046 WWUS75 KCYS 221357 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 757 AM MDT Sun Sep 22 2024 WYZ101-102-221500- /O.EXP.KCYS.FR.Y.0001.000000T0000Z-240922T1400Z/ Converse County Lower Elevations-Niobrara County- Including the cities of Lusk, Bill, Deer Creek, Glenrock, Douglas, and Redbird 757 AM MDT Sun Sep 22 2024 ...FROST ADVISORY WILL EXPIRE AT 8 AM MDT THIS MORNING... Temperatures are beginning to warm. Therefore, the Frost Advisory will expire on time. $$