Their is a change of some isolated storms across NE OK, SE KS, and SW MO tonight . This happens to be very near our homes so we may be on the road tonight. The tornado threat is null tonight but the hail threat is quite high in parts of OK their have been many large hail reports today. Here is a screen cap from the SPC  Meso Analysis at 6pm 5-16, showing 1500J/KG of SBCAPE in our area.