A governmental cold-weather alert has been extended until next week, keeping a church on-call to help the homeless or others needing shelter.

The National Weather Service is predicting temperatures overnight on Friday and Saturday to hover around 19 or 20 degrees, but on Sunday night, the thermometer is expected to dip down to just 9 degrees.

Langhorne Terrace Ministries is Bucks County's on-call church for January. That means the church activates its emergency shelter, as well as coordinating transportation, temporary shelter, food and other needs.

Bucks County's emergency management department had issued the Code Blue alert last week; it was to have expired on Wednesday. But given the recent snowstorm and dipping temperatures, county officials on Thursday extended the notice until Tuesday morning, February 1.

Police and other emergency workers are notified of the on-call shelter, officials said. They can pass on the information, and the phone number for the homeless hotline (877-260-2936) to anyone they might meet who looks like they could use some help.

Langhorne Terrace Ministries is at 1271 E Maple Ave., Langhorne, PA 19047. Its phone number is 215-757-8782.

County officials also reminded people to check on their neighbors, especially anyone who might be elderly or in frail health. Pets, too, need special consideration when the weather is this extreme, they said.