239 FXUS01 KWBC 010653 PMDSPD Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 252 AM EDT Thu Oct 01 2026 Valid 12Z Thu Oct 01 2026 - 12Z Sat Oct 03 2026 ...There is a Moderate Risk (level 3/4) of excessive rainfall over parts of the Southern Plains on Thursday... ...There is a Slight Risk (level 2/4) of excessive rainfall over parts of the Southern Plains on Friday... ...There is a Slight Risk (level 2/4) of excessive rainfall over parts of the Central Gulf Coast, Lower Mississippi Valley, and Southern Appalachians on Saturday... Moisture from the Gulf will pool along and ahead of the front over the Southern Plains, producing showers and thunderstorms with heavy rain on Thursday. Therefore, the WPC has issued a Moderate Risk (level 3/4) of excessive rainfall over parts of the Southern Plains. Numerous flash flooding events are possible. In addition, many streams may flood, potentially affecting larger rivers. The flooding may include debris flows in or near recently burned areas. In addition, the WPC has issued a Slight Risk (level 2/4) of excessive rainfall over parts of the Central Plains, the Middle Mississippi Valley, and parts of the Great Lakes for Thursday. The associated heavy rain will create mainly localized flash flooding, with urban areas, roads, small streams, and narrow canyons/gullies the most vulnerable. On Friday, rain will develop along and ahead of the front from parts of the Northeast to the Ohio Valley. In addition, showers and thunderstorms will continue along and ahead of the front from the Southern Ohio Valley to the Southern Plains, producing heavy. Therefore, the WPC has issued a Slight Risk (level 2/4) of excessive rainfall over parts of the Southern Plains. The associated heavy rain will create mainly localized flash flooding, with urban areas, roads, small streams, and narrow canyons/gullies the most vulnerable. Also, on Friday evening, rain will develop along and near the boundary over parts of the Northeast. Showers and thunderstorms will develop from parts of the Mid-Atlantic into the Tennessee Valley and over the Southern Plains into the Southeast. Furthermore, a front moving onshore over the Pacific Northwest on Thursday will move eastward to the Northern Plains by Saturday morning. The system will produce rain over parts of the Upper Mississippi Valley on Saturday. Ziegenfelder Graphics available at https://www.wpc.ncep.noaa.gov/basicwx/basicwx_ndfd.php $$