Watch Weekend Forecast Closely If You’ve Fired Up The Sprinklers

By Chris SpearsDENVER (CBS4) – Have you fired up your sprinkler system?
If so you’ll want to pay close attention to our weekend forecast because there’s the potential for a hard freeze Saturday night and Sunday morning.
A hard freeze means that temperatures could fall into the lower and middle 20s for several hours.
(credit: CBS)
Ground temperatures are well above freezing so there’s not much need to worry about underground pipes, but anything expose to the air is a diffe