191 FXUS01 KWBC 030442 PMDSPD Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 1241 AM EDT Wed Jun 03 2026 Valid 12Z Wed Jun 03 2026 - 12Z Fri Jun 05 2026 ...Showers and thunderstorms continue across much of the Plains with heavy rain and severe weather concerns the next few days... ...A large area of high pressure will keep most of the eastern half of the country dry through Thursday... ...Unseasonable warmth spreads from the Southwest and Upper Midwest into the Mid-Atlantic and Northeast by the end of the week... A broad upper-level ridge will dominate across the Southwest into central U.S. with a series of shortwave disturbances tracking along northern U.S. through the remainder of the week. At the surface, a quasi-stationary frontal boundary will drape across the Plains and will move slowly into the Upper Midwest, serving as the focus for convection. On Wednesday, strengthening southerly low-level flow will transport rich Gulf moisture northward into the Plains. With the combination of strong instability and periodic upper-level impulses, expect repeated rounds of showers and thunderstorms across the Plains and the southern Rockies. Storm Prediction Center (SPC) also highlights that these storms may become strong to severe and produce large hail and severe wind gust, leading to Slight Risk (level 2/5) of severe thunderstorms across parts of the Northern Plains into the Upper Mississippi Valley. Training convection and high rainfall rates may also lead to localized flooding concerns, which is highlighted through Weather Prediction Center (WPC) excessive rainfall outlook with a Slight Risk (level 2/4) over west Texas into New Mexico, as well as the eastern Dakotas. In addition, a Marginal Risk (level 1/4) has been highlighted for parts of Southern Rockies and much of the Plains. On Thursday, a secondary front will reinforce additional rounds of showers and thunderstorms across the Plains and Northern Rockies. This will bring a continuation of flooding and severe thunderstorms concerns. WPC continues a Marginal Risk of excessive rainfall across portions of the Plains, Upper Midwest, and Texas and SPC expands the Slight Risk of severe thunderstorms from the Northern Plains into Northern Nebraska. Moreover, a stationary front over the Gulf Coast and Florida will bring some diurnal convection over the next few days. Farther east, an expansive surface high pressure centered over Ohio Valley and Mid-Atlantic will maintain generally dry and stable conditions across much of eastern U.S. through Thursday. Temperatures will mostly range in the 70s to 80s over the east, which will be above normal for the Northeast. Over into the Southwest temperatures will also trend above normal with highs climbing into the low to mid 100s. As showers develop over New Mexico and Texas, temperatures will trend 10-15 degrees below normal with highs in the 80s through Thursday. Oudit Graphics available at https://www.wpc.ncep.noaa.gov/basicwx/basicwx_ndfd.php $$