water not draining after wash

last night i used my dishwasher and today i found that there is standing water at the bottom of the dishwasher. what should i do to drain the water out. is it because of the cold weather that it frooze the dishwasher? what should i do because i dont want to mess the dishwasher. thank you and i will wait for your reply. i cant use my dishwasher until i hear from you. best regards.benny