Have outdoor plans for Memorial Day? You may want to check the forecast first. A large chunk of the country will see rain and storms over the holiday weekend. Multiple days of rain are in store for places from the Plains into the Southeast, including Kansas City, Oklahoma City, Little Rock, Dallas and Atlanta. In some areas, rain could be heavy, triggering flash flooding. Parts of the Southern Plains might even see severe storms, bringing the threat of high winds and hail. Check out the forecast here.