Gillum said up to 10 inches of rain could fall on Tallahassee along with heavy winds will lead to a disruption of electrical services.
King emerged as a surprise pick given his fifth-place finish in the Democratic primary after a year-long campaign.
Until Wednesday Gillum had raised $2.7 million. By the end of day contributors added another million dollars to his war chest for the fall campaign.
Russia probed the nation’s election system in 2016. A potential attack on democracy keeps officials up at night and on their toes at work.