Nearly a dozen homes were left heavily damaged in Bonnertown, while minor damage was reported in Columbia.

The National Weather Service in Huntsville has issued a Tornado Warning for Colbert County until 10:15 p.m. Tornado Warning for... Central Lauderdale County in northwestern Alabama... Western Colbert County in northwestern Alabama...

Alabama schools have begun to announce closures or delays for Monday as the state prepares for possible widespread severe weather starting Sunday night. NOAA forecasters have added a Level 3 out of 5 risk for southeast Alabama and have maintained a separate Level 3 risk for the northwest corner of the state.

A tornado touched down in western Jefferson County on Monday evening, but no tornado warning was issued at the time.

A warning means a storm has been spotted or detected on radar, whereas a watch means conditions are favorable for storms to develop. During a warning, there’s an immediate threat to life and property. Residents should move to an interior room on the lowest floor of a sturdy building and stay away from windows.

The National Weather Service said “widespread” severe weather looks likely in Alabama starting Sunday night. Forecasters said damaging winds will be the main threat, “with the tornado threat not far behind it.

Back-to-back days of severe weather across the South spawned more than a dozen tornadoes in four states, including a deadly twister in Mississippi. The storms swept across the region from Wednesday evening into early Thursday morning as a powerful system triggered widespread severe thunderstorms causing issues across the central United States from the Plains to the Northeast.

Severe weather will be possible in Alabama -- again -- this weekend, according to the National Weather Service. The time to be on guard will be from Sunday night into Monday morning. Damaging winds, hail and a tornado or two will all be possible,