The National Weather Service in Grand Rapids has posted the warning to be in effect from midnight to 8 a.m. Thursday.
Freeze warnings are posted when temperatures dip below freezing during the growing seasons.
Temperatures are expected to fall into the 20s overnight. Low-lying areas will see the coldest temperatures. The most likely time frame for freezing temperatures is between 2 and 8 a.m. Thursday.
— Damage to unprotected vegetation is likely.
— Fruit trees and orchards are particularly vulnerable to the freeze.
— Those with agricultural interests in the warning area are advised to harvest or protect tender vegetation.
— Potted plants normally left outdoors should be covered or brought inside both nights.
The forecast for the Grand Haven area:
Overnight: Widespread frost after 2 a.m. Otherwise, mostly clear, with a low around 32. Northwest wind at 4 to 7 mph becoming calm.
Thursday: Widespread frost before 8 a.m. Otherwise, sunny, with a high near 50. Calm wind becoming southwest at 7 to 10 mph.
Thursday night: Areas of frost after 4 a.m. Otherwise, mostly clear, with a low around 36. Southwest wind around 5 mph becoming calm.