Entergy Arkansas says more than 10,000 of its customers are without electricity because of Isaac.
The utility said Pulaski County had the highest number of outages Friday morning at more than 3,400. That's followed by Jefferson and Dallas counties, which each had more than 1,000 customers without power.
The utility had reported more than 16,000 customers without electricity earlier Friday.
The remnants of Hurricane Isaac are slowly crossing the state. Forecasters say more rain is possible as Isaac heads into Missouri.