I WAS TRAVELING NORTHBOUND ON RT 251 FROM PERU TO MENDOTA IL WHEN IT BEGAN RAINING AND HAILING VERY HARD. 251 IS FULL OF POT HOLES. I WAS TRAVELING ABOUT 40 M.P.H. I HIT A POT HOLE AND MY CAR STARTED TO HYDROPLAN. I WENT INTO THE SOUTHBOUND LANE AND THEN INTO DITCH HEAD ON....I HIT THE DITCHES WALL ALMOST HEAD ON AND MY AIRBAGS DID NOT COME OUT. *TR