One product issued by NWS for:
Hazardous Weather Outlook
Hazardous Weather Outlook National Weather Service Omaha/Valley NE 440 AM CDT Sat Jun 15 2024 IAZ043-055-056-069-079-080-090-091-NEZ011-012-015>018-030>034- 042>045-050>053-065>068-078-088>093-152345- Monona-Harrison-Shelby-Pottawattamie-Mills-Montgomery-Fremont- Page-Knox-Cedar-Thurston-Antelope-Pierce-Wayne-Boone-Madison- Stanton-Cuming-Burt-Platte-Colfax-Dodge-Washington-Butler- Saunders-Douglas-Sarpy-Seward-Lancaster-Cass-Otoe-Saline- Jefferson-Gage-Johnson-Nemaha-Pawnee-Richardson- 440 AM CDT Sat Jun 15 2024 This Hazardous Weather Outlook is for portions of southwest Iowa...west central Iowa...east central Nebraska...northeast Nebraska and southeast Nebraska. .DAY ONE...Today and Tonight Severe thunderstorms will be possible this afternoon and evening, generally along and southeast of a line from Columbus, Nebraska to Sioux City Iowa. The main timeframe for severe storms will be from 4 pm through midnight. All modes of severe weather could occur, including large hail, damaging winds, and an isolated tornado or two. Localized heavy and possibly flooding rains could also occur which could lead to flash flooding if multiple storms move over the same locations. .DAYS TWO THROUGH SEVEN...Sunday through Friday Hot temperatures in the mid to upper 90s are expected both Sunday and Monday. Afternoon heat index values both days could range from 98 to 103, leading to an elevated risk of heat illness. Sunday evening through Monday evening will feature another chance for strong storms mainly over northeast Nebraska. And more storms are in the forecast Tuesday afternoon and night as a frontal boundary moves into the region. These storms could also be severe, along with potentially flooding rain. The active weather pattern remains in the area with a daily chance for storms from Wednesday through Friday. .SPOTTER INFORMATION STATEMENT... Spotter activation could be needed for some areas late this afternoon through the evening. $$ DeWald