EventTornado Warning SeverityExtreme UrgencyImmediate CertaintyObserved AreaGreeley, NE; Valley, NE Effective8/17/2026, 8:47:00 PM CDT Expires8/17/2026, 9:15:00 PM CDT Tornado Warning issued...
Forecasts
SPC Day 1/2/3 outlooks, convective outlooks
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaCherry, NE; Keya Paha, NE Effective8/17/2026, 8:39:00 PM CDT Expires8/17/2026, 9:30:00 PM CDT Severe...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaCherry, NE Effective8/17/2026, 8:36:00 PM CDT Expires8/17/2026, 9:15:00 PM CDT Severe Thunderstorm Warning issued...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaGarfield, NE; Wheeler, NE Effective8/17/2026, 8:37:00 PM CDT Expires8/17/2026, 9:15:00 PM CDT Severe Thunderstorm...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaHarding, SD Effective8/17/2026, 8:32:00 PM CDT Expires8/17/2026, 9:30:00 PM CDT Severe Thunderstorm Warning issued...
EventSevere Thunderstorm Watch SeveritySevere UrgencyFuture CertaintyPossible AreaAntelope, NE; Boone, NE; Knox, NE; Madison, NE; Pierce, NE Effective8/17/2026, 8:32:00 PM CDT...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaLincoln, NE Effective8/17/2026, 8:33:00 PM CDT Expires8/17/2026, 9:15:00 PM CDT Severe Thunderstorm Warning issued...
EventSpecial Weather Statement SeverityModerate UrgencyExpected CertaintyObserved AreaAdams Effective8/17/2026, 8:33:00 PM CDT Expires8/17/2026, 9:00:00 PM CDT Special Weather Statement issued August...
EventSevere Thunderstorm Watch SeveritySevere UrgencyFuture CertaintyPossible AreaGreeley, NE; Howard, NE; Nance, NE; Sherman, NE; Valley, NE Effective8/17/2026, 8:33:00 PM CDT...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaGreeley, NE; Valley, NE Effective8/17/2026, 8:24:00 PM CDT Expires8/17/2026, 9:15:00 PM CDT Severe Thunderstorm...