The next few nights could be quite chilly in parts of Alabama, and freeze warnings will be in effect for parts of the state.

The National Weather Service is forecasting overnight low temperatures to range from the upper 20s in north Alabama to the low to mid-30s in central Alabama and the low 40s in south Alabama.

The weather service said freeze warnings will go into effect at midnight tonight for all of north Alabama and the northern part of central Alabama. Residents in those areas are urged to protect any sensitive plants or vegetation that could be harmed by the cold.

There are no freeze warnings in effect for south-central and south Alabama, where temperatures are expected to remain above freezing.

Another chilly night will be in store for Alabama on Monday, but some places could end up being a few degrees “warmer” then. Here are the forecast low temperatures from Monday night into Tuesday morning:

Here’s more about tonight’s freeze warnings from the National Weather Service:

NORTH ALABAMA

* Freeze warning from midnight tonight until 9 a.m. Monday for Lauderdale, Colbert, Franklin, Lawrence, Limestone, Madison, Morgan, Marshall, Jackson, DeKalb and Cullman counties.

The National Weather Service in Huntsville said temperatures could fall as low as 29 degrees by Monday morning in the warning areas.

CENTRAL ALABAMA

* Freeze warning from midnight tonight until 9 a.m. Monday for Marion, Fayette, Winston, Walker, Blount, Etowah, Calhoun, Cherokee, Cleburne, Jefferson, Shelby, St. Clair, Talladega, Clay and Randolph counties.

The National Weather Service in Birmingham said low temperatures between 30 and 32 degrees will be possible in those areas.

These could be the coldest nights this week: Temperatures are expected to gradually warm up through the week.