The Great Tri-State Tornado of 1925 was the worst tornado in history to strike America, sweeping through Missouri, Illinois and Indiana, injuring 2,000 and killing 695. Although now largely forgotten, it set standards against which we still measure all others.
Short answer, no – It seems to be decreasing. The most extreme weather in the US occurred 60-120 years ago, before global climate disruption kicked in.
1889 – Pennsylvania – the deadliest flood in US history
1900 – Galveston – the deadliest Hurricane in US History
1910 – Idaho – the biggest forest fire in US history
1913 – Death Valley – The hottest temperature ever recorded in North America.
1913 – Ohio – the third worst flood in US history
1925 – Tri-State Tornado – the worst tornado in US history. Wind speeds up to 318 mph
1928 – Okeechobee – Category 5 hurricane killed 2,500 people
1930s – Dust Bowl – Hottest year and worst drought in US history
1935 – Florida – Strongest hurricane to ever hit the US
1937 – Mississippi Valley – the second worst flood in US history
1938 – New England Hurricane
1940s – Worst decade for hurricanes in the US
The anti-engineering climochondriacs weren’t alive when all this was going on. They live inside their own imagination.