EventFlood Warning SeveritySevere UrgencyExpected CertaintyLikely AreaGreeley, NE; Howard, NE; Nance, NE; Valley, NE Effective8/18/2026, 7:12:00 AM CDT Expires8/18/2026, 5:00:00 PM...
Forecasts
SPC Day 1/2/3 outlooks, convective outlooks
EventSpecial Weather Statement SeverityModerate UrgencyExpected CertaintyObserved AreaDivide; Burke; Renville; Bottineau; Rolette; Williams; Mountrail; McHenry; Pierce; Sheridan; Wells; Northwest Ward; Central...
EventSpecial Weather Statement SeverityModerate UrgencyExpected CertaintyObserved AreaCuster Effective8/18/2026, 4:45:00 AM CDT Expires8/18/2026, 5:30:00 AM CDT Special Weather Statement issued August...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaSaline, NE; Seward, NE Effective8/18/2026, 3:18:00 AM CDT Expires8/18/2026, 4:00:00 AM CDT Severe Thunderstorm...
EventSpecial Weather Statement SeverityModerate UrgencyExpected CertaintyObserved AreaAtchison Effective8/18/2026, 3:11:00 AM CDT Expires8/18/2026, 3:45:00 AM CDT Special Weather Statement issued August...
EventSpecial Weather Statement SeverityModerate UrgencyExpected CertaintyObserved AreaYork Effective8/18/2026, 2:55:00 AM CDT Expires8/18/2026, 3:45:00 AM CDT Special Weather Statement issued August...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaCass, NE; Johnson, NE; Nemaha, NE; Otoe, NE Effective8/18/2026, 2:30:00 AM CDT Expires8/18/2026, 3:30:00...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaBrule, SD; Charles Mix, SD; Gregory, SD Effective8/18/2026, 2:24:00 AM CDT Expires8/18/2026, 3:15:00 AM...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaGage, NE Effective8/18/2026, 2:25:00 AM CDT Expires8/18/2026, 3:15:00 AM CDT Severe Thunderstorm Warning issued...
EventSevere Thunderstorm Watch SeveritySevere UrgencyFuture CertaintyPossible AreaCass, NE; Johnson, NE; Nemaha, NE; Otoe, NE; Pawnee, NE; Richardson, NE Effective8/18/2026, 2:20:00...