EventHeat Advisory SeverityModerate UrgencyExpected CertaintyLikely AreaCorson; Campbell; Walworth; Dewey; Potter; Stanley; Sully; Hughes; Jones; Lyman Effective7/18/2026, 10:49:00 AM CDT Expires7/19/2026,...
Forecasts
SPC Day 1/2/3 outlooks, convective outlooks
EventSpecial Weather Statement SeverityModerate UrgencyExpected CertaintyObserved AreaIowa; Johnson; Cedar; Clinton; Whiteside; Henry; Bureau; Putnam Effective7/18/2026, 10:14:00 AM CDT Expires7/18/2026, 5:00:00...
EventHeat Advisory SeverityModerate UrgencyExpected CertaintyLikely AreaMuscatine; Scott; Keokuk; Washington; Louisa; Jefferson; Henry; Des Moines; Van Buren; Lee; Rock Island; Mercer;...
EventFlash Flood Warning SeveritySevere UrgencyImmediate CertaintyLikely AreaVal Verde, TX Effective7/18/2026, 8:16:00 AM CDT Expires7/18/2026, 11:15:00 AM CDT Flash Flood Warning...
EventFlash Flood Warning SeveritySevere UrgencyImmediate CertaintyLikely AreaVal Verde, TX Effective7/18/2026, 8:07:00 AM CDT Expires7/18/2026, 11:15:00 AM CDT Flash Flood Warning...
EventSpecial Weather Statement SeverityModerate UrgencyExpected CertaintyObserved AreaKoochiching; North St. Louis; Northern Cook/Northern Lake; North Itasca; Central St. Louis; Southern Lake/North...
EventSpecial Weather Statement SeverityModerate UrgencyExpected CertaintyObserved AreaPierce; Mercer; Oliver; Sheridan; Wells; Foster; Burleigh; Kidder; Stutsman; Emmons; Logan; La Moure; McIntosh;...
EventSpecial Weather Statement SeverityModerate UrgencyExpected CertaintyObserved AreaButte Effective7/18/2026, 5:16:00 AM CDT Expires7/18/2026, 6:15:00 AM CDT Special Weather Statement issued July...
EventFlood Warning SeveritySevere UrgencyExpected CertaintyLikely AreaVal Verde, TX Effective7/18/2026, 4:38:00 AM CDT Expires7/18/2026, 10:45:00 PM CDT Flood Warning issued July...
EventFlood Warning SeveritySevere UrgencyExpected CertaintyLikely AreaVal Verde, TX Effective7/18/2026, 4:37:00 AM CDT Expires7/18/2026, 10:45:00 PM CDT Flood Warning issued July...