The National Weather Service has issued a freeze warning for parts of Mesa County.
The freeze warning will remain in effect until 8am this morning for the Central and Upper Colorado River Valley, the Gunnison and Uncompahgre River Valleys and the Lower Elevations of the Colorado four corners area.
The warning includes but is not limited to the cities of Rifle, Silt, Parachute, Mesa, Glenwood Springs, Delta and Montrose.
A freeze warning means sub-freezing temperatures are imminent or highly likely. These conditions will kill crops and other sensative vegitation.