Some north Alabama school systems will dismiss early Tuesday and delay the start of school Wednesday morning due to the threat of frozen accumulation and below-freezing temperatures Tuesday night.

The following school systems have announced delays Wednesday morning:

- Arab City Schools: 2-hour delay

- Athens City Schools: 2-hour delay

- Attalla City Schools: 2-hour delay

- Blount County Schools: delayed until 10 a.m. Wednesday

- Cherokee County Schools: 2-hour delay

- Cleburne County Schools: delayed until 9 a.m. Wednesday

- Cullman City Schools: delayed until 10 a.m. Wednesday

- Decatur City Schools: delayed until 10 a.m. Wednesday

- Etowah County Schools: 2-hour delay

- Florence City Schools: delayed until 9:30 a.m. Wednesday

- Fort Payne City Schools: delayed until 9:45 a.m. Wednesday

- Gadsden City Schools: 2-hour delay

- Guntersville City Schools: delayed until 9:30 a.m. Wednesday

- Haleyville City Schools: delayed until 10 a.m. Wednesday

- Hartselle City Schools: 2-hour delay

- Huntsville City Schools: 2-hour delay

- Jackson County Schools: 2-hour delay

- Jasper City Schools: 2-hour delay

- Lawrence County Schools: 2-hour delay

- Madison County Schools: 2-hour delay

- Marion County Schools: 2-hour delay

- Oneonta City Schools: delayed until 9:45 a.m. Wednesday

- Russellville City Schools: 2-hour delay

- Scottsboro City Schools: 2-hour delay

- Tuscumbia City Schools: delayed until 10 a.m. Wednesday

- Winfield City Schools: delayed until 9 a.m. Wednesday

- Westminster Christian Academy: 2-hour delay

This story will be updated.