May 6
- 1930 – A tornado outbreak killed at least 81 people across eastern Texas, most of them from two F4 tornadoes. The first destroyed the town of Frost, where at least 22 people died. Another 16 died on farms south of Bynum. At least 41 people were killed overall. The second major tornado killed 36 people, most of them tenant farmers in poorly-built homes near Kenedy, Runge, and Nordheim.
- 1965 – Part of a larger tornado outbreak, four F4 tornadoes impacted the Minneapolis–Saint Paul area, killing 13 people.