128 FXUS01 KWBC 152000 PMDSPD Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 400 PM EDT Wed Apr 15 2026 Valid 00Z Thu Apr 16 2026 - 00Z Sat Apr 18 2026 ...Late season snow for the Cascades, Northern Plains, and Northern Rockies... ...There is a Slight Risk (level 2/5) of severe thunderstorms over parts of the c and Middle/Lower Mississippi Valley on Wednesday... ...There is a Slight Risk (level 2/4) of excessive rainfall over parts of the Great Lakes/Ohio Valley on Wednesday... A stationary front extending from the Northeast to the Great Lakes and then the Central Plains, along with a dryline over the Central/Southern Plains, will produce showers and severe thunderstorms from the Great Lakes to the Middle Mississippi Valley and to the Central/Southern Plains through Thursday. Therefore, the SPC has issued a Slight Risk (level 2/5) of severe thunderstorms over parts of the Great Lakes/Ohio Valley and Middle/Lower Mississippi Valley through Thursday morning. The hazards associated with these thunderstorms are frequent lightning, severe thunderstorm wind gusts, hail, and a few tornadoes. In addition, the system will produce heavy rain over parts of the Great Lakes/Ohio Valley through Thursday morning. Therefore, the WPC has issued a Slight Risk (level 2/4) of excessive rainfall over parts of the Great Lakes/Ohio Valley through Thursday morning. The associated heavy rain will create mainly localized areas of flash flooding, with urban areas, roads, small streams, and low-lying areas being the most vulnerable. On Thursday, showers and severe thunderstorms will develop over parts of the Northeast. Therefore, the SPC has issued a Slight Risk (level 2/5) of severe thunderstorms over parts of the Northeast from Thursday through Friday morning. The hazards associated with these thunderstorms are frequent lightning, severe thunderstorm wind gusts, hail, and a few tornadoes. Meanwhile, a front moves onshore over the Pacific Northwest overnight Wednesday and moves inland to the Upper Midwest, Central Rockies, Great Basin, and Southern California by Thursday. The system will produce a late-season snowfall over the Cascades, Northern Rockies, and Northern Plains through Thursday. Coastal rain will develop over the Northwest Coast through Thursday as well. Also by Thursday, rain will develop over parts of the Northern Plains. Ziegenfelder Graphics available at https://www.wpc.ncep.noaa.gov/basicwx/basicwx_ndfd.php $$