Hard Freeze Warning issued May 20 at 9:43PM CDT until May 21 at 10:00AM CDT by NWS

...HARD FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM MDT SATURDAY... * WHAT...Sub-freezing temperatures as low as 20 degrees expected. * WHERE...Portions of east central, south central and southeast Wyoming and the western Nebraska Panhandle. This includes Cheyenne, Laramie, Rawlins, Douglas, Kimball, and Saratoga. * WHEN...9 PM this evening to 9 AM MDT Saturday.