On Friday at 12:59 a.m. the National Weather Service issued a frost advisory valid from 8 a.m. until Saturday 8 a.m. for Oregon Lower Treasure Valley.
The weather service adds to be ready for, “Temperatures of 33 to 36 degrees will result in frost formation.”
“Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered,” explains the weather service. “Take steps now to protect tender plants from the cold.”