Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 416 PM EDT Thu Jun 26 2014 Valid 00Z Fri Jun 27 2014 - 00Z Sun Jun 29 2014 ***Showers and thunderstorms for the Central U.S.*** ***Showers for the Pacific Northwest*** The main weather maker for the continental U.S. for the end of the week will be a frontal system and low pressure area entering the Great Plains by Friday morning. Moisture from the Gulf of Mexico will stream northward ahead of a slow moving cold front that will be exiting the Rockies. Scattered showers and storms are expected to develop over the Plains, and a few concentrated areas of heavy rainfall and thunderstorm activity are likely near the main surface low and along the warm front over the northern Plains and Upper Midwest. Out West, a building upper level trough will send a cold front southward through the central Rockies and result in the development of isolated to scattered showers and storms. Moisture flowing in from the Pacific will also help generate showers for parts of Oregon and Washington to close out the week. Dry weather is expected for the rest of the West Coast and into the Desert Southwest. Hamrick Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_wbg.php