A Frost Advisory is in place for the Treasure Coast, inland Palm Beach County and the Lake Okeechobee area until 8 a.m.
Overnight temperatures will plummet into the 30's and lower 40's.
Thursday morning could bring the coldest conditions we'll experience this season.
The peak hours for the cold conditions will fall between 4 a.m. and 8 a.m.
Cold shelters have opened for residents from Palm Beach County to Indian River County.
You should bring pets and cold-sensitive plants inside for the night.
A Freeze Warning extends across much of Central Florida.