Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 400 PM EDT Wed Jun 24 2020 Valid 00Z Thu Jun 25 2020 - 00Z Sat Jun 27 2020 ...Flash flooding remains possible through tonight for the western to central Gulf Coast region... ...The risk of severe weather will shift from the southeastern U.S. to the northern Plains and upper Midwest during the next couple of days... ...Very hot conditions persist across parts of Florida and interior valleys of California... An upper-level disturbance over Texas will continue to interact with moisture converging along a stationary front to produce heavy rainfall through tonight for the western to central Gulf Coast region. The highest chance of heavy rain and flash flooding is expected to be across southern Louisiana, whereas the greatest threat of severe thunderstorms will be farther east over parts of the Southeast into tonight. The upper-level disturbance over Texas will gradually weaken and dissipate over the next couple of days. This will decrease the chance of heavy rain along the Gulf Coast on Thursday. However, scattered thunderstorms will linger across the Southeast and the Mid-Atlantic into Thursday night before the front slides very slowly off the East Coast on Friday. Florida may see less chance of thunderstorms during the next couple of days leading to day-time high temperatures nearing record levels. Meanwhile, a strengthening Bermuda High will allow a Saharan dust layer to progress into the Florida Peninsula and Gulf Coast in the coming days. The main impacts of the Saharan dust are a whitening of the sky during daylight hours, redder sunsets, and decreased air quality. In the West, an upper-level trough will push a cold front steadily through the Pacific Northwest and then into the northern and central Plains on Thursday and Friday. The chance of strong to severe thunderstorms will increase ahead of the front across the northern Plains later on Thursday, reaching the upper Midwest and the lower Great Lakes on Friday. High temperatures 5 to 15 degrees above normal are forecast across the northern and central Plains on Thursday ahead of the cold front. Removed from active weather systems, the interior valleys of California are expected to remain hot over the next few days where Heat Advisories remain in place. Kong Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_ndfd.php