Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 359 PM EDT Fri Jul 13 2018 Valid 00Z Sat Jul 14 2018 - 00Z Mon Jul 16 2018 ...Heavy rain possible across portions of the central Plains into the Upper Mississippi Valley... ...Showers and thunderstorms expected across the Southeast... ...Heavy rain possible over parts of the Desert Southwest... A slow moving front will stretch from the Great Lakes to the Plains will be the focal point for showers and thunderstorms over the next few days. Ample moisture from the Gulf of Mexico will be transported to this area and fuel convective activity particularly in the afternoon and evening through the weekend. There is a slight risk of flash flooding from the Upper Midwest to the central Plains through Saturday morning. Additionally, a slight risk of severe thunderstorms is also possible through tomorrow morning. By Saturday, the risk of flash flooding and severe thunderstorms decreases--however there will still be a marginal risk of flash flooding in the middle Mississippi Valley and Ohio Valley. A quasi-stationary front will continue to be draped along the Carolinas through the weekend. With plenty of moisture on tap and instability from daytime heating, showers and thunderstorms will increase throughout the day across the Southeast. A marginal risk of flash flooding will be possible through Sunday. Reinhart Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_ndfd.php