Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 316 AM EDT Fri Jun 21 2013 Valid 12Z Fri Jun 21 2013 - 12Z Sun Jun 23 2013 ...There is a slight risk of severe thunderstorms over the Upper Midwest... ...Heavy rain possible over parts of the Upper Midwest to the Upper Great Lakes and parts of the South Carolina Coast... A front will be quasi-stationary over the Upper Great Lakes to the Central Plain/Rockies through Saturday evening. Showers and thunderstorms will develop along and near the boundary over the Upper Midwest/Upper Great Lakes through Saturday. A second front extending along the Eastern Gulf Coast and the Southeastern Coast will slowly dissipate by Saturday. Showers and thunderstorms will develop along the Central Gulf Coast, Eastern Gulf Coast, and the Southeast Coast through Saturday. A weakening upper-level low will slowly drift eastward from the Pacific Northwest to the Northern High Plains by Saturday evening. The energy will trigger rain and showers/thunderstorms over parts of the region also through Saturday evening. Ziegenfelder Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_wbg.php