While at The Weather Channel, Seidel has appeared on numerous network news programs, including NBC-TV's "Today Show" and "NBC Nightly News", CBS-TV's "The Early Show", "The CBS Evening News" and "CBS Sunday Morning", and ABC-TV's "Good Morning America", "World News Tonight", "Nightline" and "World News Now". Seidel has also reported live from breaking weather on "MSNBC", the "Cable News Network" and "Fox News Channel". Seidel filled in for Tony Perkins on ABC's "Good Morning America" in 2003 and for Al Roker on NBC's "The Today Show" in 2009. He became the first Weather Channel and U.S. meteorologist to report live from Cuba during coverage of Tropical Storm Isaac August 24–26, 2012. On January 12, 2018, Seidel did his 20,000th live shot during a snowstorm in Rochester, NY.