Issued 406 AM EDT Mon Jun 25 2018 Valid Mon Jun 25 2018 - Wed Jun 27 2018 ...A risk of heavy rain and severe thunderstorms will exist across the Plains and into the Mississippi Valley the next few days... ...Heavy rain expected over the Carolinas... A stationary front will stretch from the central Plains to the Carolinas over the next few days and will be the focal point for convective activity. On Monday, heavy rainfall will develop along a surface low that will lift from th...