ABC13 Weather Alert: Hard freeze, dangerously cold conditions Monday for Houston, SE Texas

People in Montgomery County are using warming centers to stay safe amid rain, sleet, and cold.

People in Montgomery County are using warming centers to stay safe amid rain, sleet, and cold.

Under Over Fellowship church is one location that is opening its doors in Conroe.

"We as Texans are not ready for this type of weather, and people -- as much as they prepare -- there's still a need to stay, stay warm. (If) people lose power, they don't have an ability to cook food. So, we want to provide a place where they can come and be safe," Pastor Jerry Vineyard said.

Pastor Vineyard said about 60 people stayed at their Conroe warming center overnight.

Hear more from those who stayed at the warming center here.

Due to inclement weather, Fort Bend County officials announced that the district clerk's and passport offices will be closed on Monday.

Officials said all passport appointments were canceled and must be rescheduled by visiting the district clerk's website.

Fort Bend County officials announced that jury duty was canceled as well, and those who were going to serve would need to visit the Homeland Security and Emergency Management website for further information.

Fort Bend County said it expects normal operations to resume on Tuesday.

Additionally, the Grimes County Office of Emergency Management said all county offices will be closed on Monday.

In an update Sunday, ABC13 Chief Meteorologist Travis Herzog said big flyovers and connector ramps north and west of Houston are likely frozen over.

As the freeze line crossed most of southeast Texas, most surface streets in and around Houston weren't icy, while elevated roadways just outside the Houston area were likely to be icy due to overnight frozen precipitation.

Houston TranStar cameras captured an 18-wheeler sliding backwards on an icy overpass.

On Sunday morning, Houston TranStar cameras captured a big rig that was stranded on a freeway overpass at the Grand Parkway and Katy Freeway.

In northwest Harris County, Sheriff Ed Gonzalez said inbound and outbound flyovers at the Grand Parkway and Highway 290 were closed due to the ice formation.

Herzog said that puddles of water on all roadways would likely freeze over tonight when the bitterly cold air returns.

"Be wise when out on the roadways, especially if you must travel tonight or tomorrow morning while it is still dark," Herzog said.

For weather updates, follow Travis Herzog on Facebook, X and Instagram.

Mayor John Whitmire has said that Houston should not let its guard down, as temperatures are still expected to drop leading into Sunday night and Monday.

Whitmire, along with several officials from the Houston Fire Department and the Houston Police Department, appeared at a press conference Sunday morning, urging people to continue practicing caution and to stay off the roads.

The mayor said the preparations continue as Houston enters a bitter freeze beginning Sunday evening, but public safety is the greatest concern.

Brian Mason, the director of emergency management, said all airports are functioning, but for travelers to check their flight status, and that the METRO will be fully operational at noon on Monday.

HPD Chief J. Noe Diaz and HFD Chief Thomas Munoz said there have been no reports of fatalities or cold-weather-related injuries and thanked the city for taking precautions, practicing safe weather preparations, and staying home.