The threat of winter weather and icy roads on Tuesday has prompted several north Alabama school systems to either open later on Tuesday morning or remain closed all day. Here is a list of announced delays and closings. This list will be updated as delays are announced.

Alabama A&M University: opening at 10 a.m.

Albertville City Schools: closed

Arab City Schools: 3-hour delay

Athens City Schools: 3-hour delay

Athens State University: opening at 11 a.m.

Boaz City Schools: closed

Calhoun Community College: opening at 11 a.m.

Colbert County Schools: 2-hour delay

Decatur City Schools: elementary classes opening at 10:15 a.m., secondary classes at 11 a.m.

Drake State Community College: opening at 11 a.m.

Fayettville, Tennessee City Schools: closed

Florence City Schools: closed

Fort Payne City Schools: opening at 11 a.m.

Franklin County Schools: 2.5-delay

Gadsden State Community College: opening at 11 a.m.

Guntersville City Schools: closed

Hartselle City Schools: 3-hour delay

Hope Prep Academy: opening at 11 a.m.

Huntsville City Schools: 3-hour delay

Jackson County Schools: opening at 10:30 a.m.

Lauderdale County Schools: closed

Limestone County Schools: 3-hour delay

Lincoln County, Tennessee Schools: closed

Madison Academy Elementary School: 3-hour delay

Madison City Schools: 3-hour delay

Madison County Schools: 3-hour delay

Marshall County Schools: closed

Morgan County Schools: 3-hour delay

Muscle Shoals City Schools: 2-hour delay

Northwest Shoals Community College: opening at 10 a.m.

Randolph School: opening at 9:30 a.m.

Riverside Christian Academy, Fayetteville, Tennessee: closed

Russellville City Schools: 2.5-hour delay

Scottsboro City Schools: 3-hour delay

Sheffield City Schools: opening at 10 a.m.

University of Alabama in Huntsville: 2.5-hour opening delay, classes begin at 11 a.m.

University of North Alabama, Kilby School: University offices open at 10 a.m., university classes begin at 11 a.m.

Wallace State Community College: opening at 10 a.m.

Westminster Christian Academy: opening at 10 a.m.

YMCA of the Shoals in Florence: opening at 10 a.m.