Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 356 PM EDT Wed Jun 29 2016 Valid 00Z Thu Jun 30 2016 - 00Z Sat Jul 02 2016 ...Scattered showers and thunderstorms continue the next few days across the Southeast... ...Heavy rainfall and organized thunderstorms possible across the Plains Thursday into Friday... ...Monsoonal moisture keeps conditions unsettled from the Four Corners to the Central Rockies... A stalled frontal boundary across the Southeast U.S. is not expected to move much over the next couple of days keeping showers and thunderstorms in the forecast through the rest of the week. Some of these storms may be capable of localized heavy rainfall. The same is true for parts of the Plains where scattered showers and thunderstorms will continue along and ahead of the western edge of this boundary banked up against the Rockies. Storms are expected to be most organized across the Central Plains Thursday into Friday underneath multiple impulses of energy in the upper levels. Once again, storms will be capable of producing heavy rainfall, flash flooding, and isolated severe weather. See products issued by WPC and the Storm Prediction Center for more details and the latest information. A second system dropping into the Northern Tier will spread rain and thunderstorms across the Northern Rockies, Northern Plains, and into the Midwest and Upper Great Lakes Thursday and Friday. Behind the front, a much cooler and drier air mass will move in. Temperatures at least 5 to 10 degrees below normal across much of the north central U.S. are forecast as we move into the Holiday Weekend. Elsewhere, monsoonal moisture streaming northward keeps mainly diurnally driven wet weather across the Four Corners region, the central/southern Rockies, as well as the Great Basin. Across much of the western states, temperatures will be warm with afternoon values reading about 5 to 10 degrees above average. Santorelli Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_wbg.php