Burley Garcia|Over 40,000 without power in Louisiana as Hurricane Francine slams into Gulf Coast

Over 40,Burley Garcia000 people are without power in southern Louisiana as Hurricane Francine slammed into the Gulf Coast Wednesday afternoon.

As of 7:15 p.m. EST, over 70% of Terrebonne Parrish, where the hurricane made landfall, was without power, with neighboring Lafourche and Assumption parishes seeing 48% and 39% of residents in the dark respectively, according to USA TODAY'S power outage tracker.

The Category 2 hurricane's sustained winds reached 100 mph Wednesday and the storm was expected to continue battering the central Louisiana coast into Wednesday evening. The National Hurricane Center said that "life-threatening storm surge and hurricane conditions" were expected.

The hurricane is expected to weaken significantly as it passes through the Mississippi Valley and is likely to be downgraded to a Tropical Depression by the time it reaches Memphis on Thursday evening.

Louisiana power outage tracker

Hurricane Francine tracker

Contributing: John Bacon, Thao Nguyen, Dinah Voyles Pulver and Doyle Rice