From the Spaceflight Meteorology Group:

Temperatures are expected to fall below freezing by 10:00 PM CST, Thursday evening, December 22, 2022.  Temperatures should remain at or below freezing through 12:00 PM CST, Saturday Afternoon, December 24, 2022.

Temperatures have a good chance to fall below freezing again by 10:00 PM CST, Saturday Evening, December 24, 2022 and remain below freezing until around 10 am on Sunday morning, December 25th.

Expected lows for Thursday, December 22, 2022 are in the mid 20’s (F).

Expected lows for Friday, December 23, 2022 are in the lower 20’s (F).

Expected lows for Saturday, December 24, 2022 are in the lower 20’s (F).

Expected lows for Sunday, December 25, 2022 are in the mid 20’s (F).

Temperatures will begin to warm after Sunday.

Center Operations has enacted the Center’s freeze protection plan,  and the JSC Office of Emergency Management and the Spaceflight Meteorology Group will continue to monitor the situation.