Severe Thunderstorm Warning 153, NWS Sioux Falls, SD

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Hazardous Weather Outlook
National Weather Service Sioux Falls SD
644 PM CDT Tue Jun 30 2026

IAZ001>003-012>014-020>022-031-032-MNZ071-072-080-081-089-090-097-
098-NEZ013-014-SDZ038>040-050-052>071-012345-
Lyon-Osceola-Dickinson-Sioux-O'Brien-Clay-Plymouth-Cherokee-
Buena Vista-Woodbury-Ida-Lincoln-Murray-Cottonwood-Nobles-Jackson-
Pipestone-Rock-Dixon-Dakota-Beadle-Kingsbury-Brookings-Gregory-
Jerauld-Sanborn-Miner-Lake-Moody-Brule-Aurora-Davison-Hanson-McCook-
Minnehaha-Charles Mix-Douglas-Hutchinson-Turner-Bon Homme-Yankton-
Union-
644 PM CDT Tue Jun 30 2026

This Hazardous Weather Outlook is for northwest Iowa, west central
Iowa, southwest Minnesota, northeast Nebraska, central South
Dakota, east central South Dakota, south central South Dakota and
southeast South Dakota.

.DAY ONE...Tonight.

A cluster of storms will develop in Nebraska later this evening and
lift north into the area, reaching northeast Nebraska, northwest Iowa
and the Missouri River around midnight to 1 am. Southeast South
Dakota and southwest Minnesota will see the better chances from about
2 am to 6 am. Wind gusts around 70 mph are possible as well as hail
to the size of golf balls. The stronger storms should diminish
between 4 to 6 am and lift northeast.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Severe thunderstorm chances continue Wednesday late afternoon through
late evening, but will depend on how long showers hang around during
the day.

Storm chances continue nearly every night for the rest of the week.
Uncertainty is high as each night's storms will depend on how the
previous day's storms evolve.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will likely be needed.