Gardaí and Kerry County Council are advising road users to take extra care due to adverse weather conditions.
A Yellow rainfall warning issued by Met Eireann is valid until 3pm on Tuesday; up to 50 millimetres of rain is forecast with possible higher amounts in mountainous areas.
A gale warning has also been issued.
The heavy rainfall is making driving conditions dangerous with flooding being reported on the N70 Ring of Kerry road in Caherciveen and Glenbeigh.