The greatest threat today will be tornadoes and damaging thunderstorm winds along with some hail.
5% is the significant threshold.
Damaging Thunderstorm Winds
Here, 15% is the significant threshold.
AccuWeather Regional Radar at 8:03am shows widespread but non-severe thunderstorms from the eastern Texas Panhandle to Iowa and Wisconsin.
Welcome rains will fall in many areas over the next two and a half days:
I will be chasing the storms later today. You can follow along on twitter @usweatherexpert.