Freeze Warning

* WHAT...Prolonged sub-freezing temperatures dropping down into the 18 to 24 degree range. * WHERE...All of the Front Range Urban Corridor and northeast plains of Colorado. * WHEN...From 8 PM Friday to 8 AM MDT Saturday. * IMPACTS...If not drained or protected, damage to above ground irrigation lines will be likely. A hard freeze could kill sensitive vegetation and damage fruit trees.