Karl has been the main man in the TV6 Weather Center since 1988. His interests brought him to a career in broadcasting and later to the study of meteorology at the University of Wisconsin-Madison. Karl started doing TV weather in 1983.
He holds the American Meteorological Society's broadcast seal of approval and has written a book about weather and history of the Upper Peninsula of Michigan.
NBC's Lester Holt and Chuck Todd discuss the 'awkward' nature in which Donald Trump indirectly pointed a finger at past administrations
At least eight people who breed pet rats have been infected with an unusual and sometimes deadly virus called Seoul virus, the CDC said.
Barack Obama, who will continue to live in Washington, is leaving town with his family after the inauguration for a vacation in Palm Springs, Californ
NBC News takes a glance at what both leaders and ordinary citizens think about the 45th president.
'Thanks Obama,' which began at nearly the beginning of his presidency as a snarky rebuke from conservatives has evolved into a progressive rally cry.