Temperatures will dip into the low to mid 30s after midnight. Areas of frost will develop, especially north of I-96.
The frost may damage sensitive plants and trees if not protected.
A frost advisory is issued when frost is expected to develop during the growing season. Those with agricultural interests in the advisory area should harvest or protect tender
vegetation. Also, potted plants normally left outdoors should be covered or brought inside away from the cold.
The forecast for the Grand Haven area:
Tonight: Patchy frost after 3 am. Otherwise, partly cloudy, with a low around 37. West-northwest wind 5 to 10 mph.
Saturday: Patchy frost before 9 am. A 30 percent chance of showers after 9 am. Otherwise, mostly sunny, with a high near 51. West-southwest wind 7 to 10 mph.
Saturday night: A 30 percent chance of showers before 9 pm. Partly cloudy, with a low around 38. West-southwest wind around 9 mph.
Sunday: Mostly sunny, with a high near 56. West-southwest wind 7 to 10 mph.
Sunday night: Mostly clear, with a low around 42. West-southwest wind 7 to 9 mph becoming south after midnight.