This page documents all tornadoes confirmed by various weather forecast offices of the National Weather Service in the United States in May 2018. Tornado counts are considered preliminary until final publication in the database of the National Centers for Environmental Information.
United States yearly total
May
May 1 event
May 2 event
May 3 event
May 4 event
May 8 event
May 9 event
May 11 event
May 13 event
May 14 event
May 15 event
May 16 event
May 17 event
May 18 event
May 19 event
May 20 event
May 21 event
May 22 event
May 23 event
May 24 event
May 25 event
May 27 event
Florida event was associated with Tropical Storm Alberto.
May 28 event
South Carolina event was associated with Tropical Storm Alberto.