Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing.

HARD FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM MST THIS MORNING... ...HARD FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 10 AM MST TUESDAY... * WHAT...For the first Hard Freeze Warning, sub-freezing temperatures between 24 and 28 degrees are expected. For the second Hard Freeze Warning, sub-freezing temperatures between 22 and 27 degrees are expected. * WHERE...Tohono O`odham Nation, Tucson Metro Area, South Central Pinal County and Southeast Pinal County. * WHEN...For the first Hard Freeze Warning, from 1 AM to 9 AM MST Monday. For the second Hard Freeze Warning, from midnight Monday night to 10 AM MST Tuesday. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.