Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 413 PM EDT Fri May 31 2019 Valid 00Z Sat Jun 01 2019 - 00Z Mon Jun 03 2019 ...Severe thunderstorms and locally heavy rainfall possible for parts of the Central U.S. on Saturday... ...Warmer than normal temperatures expected for parts of the Pacific Northwest on Saturday... Showers and thunderstorms are likely for parts of the Mid-Atlantic late Friday night into Saturday morning as a cold front crosses the region. The heaviest rainfall is expected to fall over the Tidewater areas of Virginia and North Carolina. The Storm Prediction Center issued a Slight Risk with an embedded Enhanced Risk of Severe Thunderstorms for this area. Meanwhile a Slight Risk is also in effect for Southwestern Texas for tonight, as well. Temperatures will cool down, albeit still slightly above normal, for the Southeast following the cold frontal passage on Saturday. An upper level low centered over James Bay will spawn rain and thunderstorms over the Upper Great Lakes region on Saturday. The associated cold front currently positioned over the Norther Plains/Rockies will propagate southward tonight and tomorrow before initiating convective activity over the Mississippi Valley and Southern Plains Saturday evening. The Storm Prediction Center issued a Slight Risk with an embedded Enhanced Risk of Severe Thunderstorms for parts of the Upper Great Lakes, Middle Mississippi Valley and Southern Plains for Saturday through Sunday morning. A large upper level trough centered directly over the West Coast will be responsible for scattered showers across the region as well as interior areas on Saturday. At the same time, an upper level ridge will continue to build over the Pacific Northwest, causing high temperatures to rise up to 15 degrees above normal. Below normal high temperatures are expected over the Great Lakes region on Sunday following a cold frontal passage, with up to a 15 degree departure from normal possible for parts of the area. Kebede Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_ndfd.php