Temperatures late tonight through 8 a.m. could dip below 30 degrees, according to the National Weather Service.
The freeze could damage crops and other sensitive vegetation.
The freeze watch covers most of WNY except Wyoming County, interior Southern Tier and along the Lake Ontario coast.
Also, a thunderstorm is moving across the region and could hit Genesee County later this afternoon.
Strong winds are expected to continue throughout the day.
Receiving quarter inch size
Receiving quarter inch size hail at the Niagara Air Base at 17:10 hours and heavy rain.