Thursday May 7, 2015
Isolated to scattered severe storms are possible from the upper Mississippi Valley to the Southern Great Plains, mainly in the afternoon and evening
Friday May 8, 2015
Severe thunderstorms will be possible Friday across portions of the Central and Southern Plains Northeast into Illinois
Saturday May 9, 2015:
A severe weather outbreak is forecast across parts of the Great Plains Saturday. Widespread intense thunderstorms should develop over portions of Oklahoma, Kansas, and Texas during the Afternoon. Tornadoes, very large hail, and damaging winds are likely in these areas.