Hazardous Weather Outlook
Issued by NWS Sioux Falls, SD

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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.

$$