Special Weather Statement issued May 27 at 4:53PM CDT until May 28 at 7:00AM CDT by NWS
Effective: 4:53 p.m. on Saturday, May 27, 2017
Expires: 7 a.m. on Sunday, May 28, 2017

....Damaging winds of 70 to 100 mph possible with line of storms
moving across Eastern and Southern Missouri...
A line of storms, capable of producing widespread and destructive
winds, are moving east, southeast between 45 and 50 mph over parts
of Eastern and Southern Missouri.
These storms will likely cause widespread tree damage, damage to
some homes, and numerous power outages.
Persons who are considering travel on Interstate 55 and 57 in
Southeast Missouri, as well as Highway 60, are urged to delay
travel from now until after 7 pm CDT.
These storms will likely move near Van Buren and Piedmont Missouri
around 5 pm CDT...Ava Illinois, Cape Girardeau and Dexter Missouri
around 6 pm...Creal Springs and Vienna Illinois, onward to New
Madrid Missouri around 7 pm CDT. These arrival times may vary with
the forward speed of the line of thunderstorms.
If you outside, be prepared to look for sturdy shelter. These are
particularly dangerous storms.

See more at NOAA