TUCSON, Ariz. - The National Weather Service issued a Freeze Warning for western Pima County through 9 a.m. Sunday.
Temperatures overnight could drop to 28° and some colder spots like washes could end up in the low 20s.— Brian Brennan (@BrianBrennanTV) December 28, 2019
Remember to bring your pets inside, cover your plants, wrap exposed pipes, and check on people! pic.twitter.com/p4uKXwnvKS
According to the service, frost will form starting at midnight Sunday.
Crops and sensitive vegetation could be killed by the frost and low temperatures.
Outdoor plumbing should be covered.
KGUN9's forecast calls for temperatures to dip to 29 degrees overnight.