The centre, operated by the provincial authority, is located at the Phraya Surin Phakdee Srinarong Janwang Monument.
Until midnight people can donate necessities, including blankets, medicine, soap, toothbrushes, diapers, clothes, drinking water and dried food.
At 7pm on Sunday, trucks departed the centre to transport donated items to Ban Pluei village in Sawang Dandin district, Sakon Nakhon.