The brutal cold that arrived this week should remain for several days, according to the Capital Weather Gang. The forecast calls for freezing temperatures through the weekend, with potential sleet, freezing rain and snow on Friday.

If you see a homeless person or anyone else in need of shelter, or if you need shelter yourself, call one of these numbers:

• D.C. Hypothermia Shelter hotline: 1-800-535-7252.

• Montgomery County Crisis Center: 240-777-4000. (Find additional numbers here.)

• Prince George’s County Homeless hotline: 1-888-731-0999 or 301-864-7095.

• Alexandria Winter Hypothermia Shelter: 703-548-7500.

• Arlington County Emergency Winter Shelter: 703-228-7395.

• Fairfax County non-emergency line: 703-691-2131. (Find a list of shelters here.)

• Falls Church shelter: 703-854-1400.