A severe weather outbreak is expected on Saturday in Alabama, according to the National Weather Service. NOAA’s Storm Prediction Center has added -- and now expanded as of Thursday afternoon -- a rarely-used Level 4 out of 5 risk for parts of a large part of Alabama for Saturday.

Alabamians are urged to remain vigilant as a dynamic storm system is set to unleash two rounds of severe thunderstorms across the state from

A multiday severe weather outbreak could blast cities across the central and eastern U.S. with thunderstorms capable of producing large hail and potential tornadoes.