They would normally be open today--Tuesday, but according to my sister, who recently got hired, they have been closed for family reasons

Yes. Lunch & dinner. No buffet at the moment. Dine in and take out

They have lunch buffets in the afternoon on weekdays supper buffets fri and sat I don't know about sundays.

Non smoking

They do not deliver but you can order over the phone, to go, then just pick the order up!