


Hazardous Weather Outlook
Issued by NWS Sioux Falls, SD
Issued by NWS Sioux Falls, SD
320 FLUS43 KFSD 182205 HWOFSD Hazardous Weather Outlook National Weather Service Sioux Falls SD 505 PM CDT Wed Jun 18 2025 IAZ001>003-012>014-020>022-031-032-MNZ071-072-080-081-089-090-097- 098-NEZ013-014-SDZ040-050-056-062>071-192215- Lyon-Osceola-Dickinson-Sioux-O`Brien-Clay-Plymouth-Cherokee- Buena Vista-Woodbury-Ida-Lincoln-Murray-Cottonwood-Nobles-Jackson- Pipestone-Rock-Dixon-Dakota-Brookings-Gregory-Moody-Minnehaha- Charles Mix-Douglas-Hutchinson-Turner-Bon Homme-Yankton-Union- 505 PM CDT Wed Jun 18 2025 This Hazardous Weather Outlook is for northwest Iowa, west central Iowa, southwest Minnesota, northeast Nebraska, east central South Dakota, south central South Dakota and southeast South Dakota. .DAY ONE...Tonight. Hazardous weather is not expected at this time. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. Isolated thunderstorms are possible late Thursday evening into Thursday night. Areas east of Interstate 29 will stand the greatest chance for storm development. If storms form, the greatest risks will be from ping pong ball size hail. By the end of this week, heat and humidity building into the area will likely produce heat indices above 100 degrees Friday through Sunday. Those with outdoor activities planned, or with limited cooling resources, will want to monitor the forecast and prepare for extreme heat. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. $$ SDZ038-039-052>055-057>061-192215- Beadle-Kingsbury-Jerauld-Sanborn-Miner-Lake-Brule-Aurora-Davison- Hanson-McCook- 505 PM CDT Wed Jun 18 2025 This Hazardous Weather Outlook is for central South Dakota, east central South Dakota, south central South Dakota and southeast South Dakota. .DAY ONE...Tonight. Isolated thunderstorms will continue through mid-evening. Small hail and brief wind gusts to 50 mph will be possible. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. Isolated thunderstorms are possible late Thursday evening into Thursday night. Areas east of Interstate 29 will stand the greatest chance for storm development. If storms form, the greatest risks will be from ping pong ball size hail. By the end of this week, heat and humidity building into the area will likely produce heat indices above 100 degrees Friday through Sunday. Those with outdoor activities planned, or with limited cooling resources, will want to monitor the forecast and prepare for extreme heat. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. $$