Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 401 PM EDT Wed Jun 13 2018 Valid 00Z Thu Jun 14 2018 - 00Z Sat Jun 16 2018 ...Severe thunderstorms possible this evening across portions of the Northeast, as well as the central Plains... ...Flash flooding and severe weather possible Thursday into Friday for the northern Plains to the upper Mississippi Valley... ...Moisture from Tropical Storm Bud may begin to impact portions of the Southwest by Friday... Moisture streaming northward into the Eastern U.S. this afternoon ahead of a cold front will continue to allow for the development of showers and thunderstorms from the Deep South to the Northeast tonight. Conditions appear favorable for some severe weather, with the storm prediction center highlighting a slight risk across parts of the northern Appalachians this afternoon and into the evening. Storms should clear out by Thursday across the Northeast and Mid-Atlantic regions, but may continue across the Deep South into Thursday as the boundary lingers across the region. The western portion of this boundary will begin lifting as a warm front across the central Plains, where additional showers and storms (maybe severe) are expected tonight. A strong cold front pushing into the Northwest states today, will move into the northern Plains by Thursday. Moisture ahead of this system will allow for the development of numerous showers and thunderstorms along the boundary, with some storms containing heavy to excessive rainfall and/or severe weather possible. SPC has a slight to enhanced risk for severe weather across the Dakotas and into western Minnesota on Thursday, while WPC is highlighting a slight risk for flash flooding across parts of the northern Plains to the upper Midwest along the attendant warm front as it lifts through the region Thursday into Friday. See the outlooks from these two centers for additional details on the severe weather and flash flood threat. Ahead of this system, ridging in the upper levels will keep temperatures very warm, with afternoon highs 10 to 20 degrees above normal possible, particularly across the northern and central Plains. Elsewhere, warm, dry, and windy conditions across parts of the Great Basin will create favorable fire weather conditions. Numerous red flag warnings are in effect across southern Utah and western Colorado. Meanwhile, the heatwave across the Southwest should subside as moisture ahead of Tropical Storm Bud begins impacting parts of the Southwest by the end of this week. Refer to the National Hurricane Center for the latest information regarding the track and specific impacts of Tropical Storm Bud. Santorelli Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_ndfd.php