UPDATE: More video. . .
Here is video from near Oklahoma City tonight – El Reno – of a large tarnado touching down, captured by a storm chaser. Multiple tornadoes hit the area this evening, and there are confirmed reports of a large tornado in the St. Charles/St. Louis, Missouri area as well.
BREAKING: Woman & her baby killed in #tornado on I-40 near El Reno, OK, Oklahoma Highway Patrol confirms— NBC Nightly News (@nbcnightlynews) June 1, 2013