A slight risk of severe weather exists for some , forecasters say . Forecasters downgrade the risk for overnight hours . Phil Bryant said the twisters inflicted `` severe damage '' in Louisville . At least two storm - related deaths in Mississippi , official says . Tens of thousands remained without power after Birmingham , Alabama storms .
A slight risk of severe weather exists for some , forecasters say . Forecasters downgrade the risk for overnight hours . At least two storm - related deaths in Mississippi , official says . Tens of thousands remained without power after Birmingham , Alabama storms .