Severe Thunderstorm Warning
Severe Thunderstorm Warning
IAC149-167-220245-
/O.NEW.KFSD.SV.W.0329.250922T0155Z-250922T0245Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Sioux Falls SD
855 PM CDT Sun Sep 21 2025
The National Weather Service in Sioux Falls has issued a
* Severe Thunderstorm Warning for...
South central Sioux County in northwestern Iowa...
Northeastern Plymouth County in northwestern Iowa...
* Until 945 PM CDT.
* At 854 PM CDT, a severe thunderstorm was located over Struble, or 7
miles north of Le Mars, moving southeast at 15 mph.
HAZARD...Golf ball size hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect
wind damage to roofs, siding, and trees.
* This severe thunderstorm will be near...
Le Mars around 915 PM CDT.
Remsen around 930 PM CDT.
Other locations impacted by this severe thunderstorm include
Brunsville and Oyens.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.
Prepare immediately for large hail and deadly cloud to ground
lightning. Seek shelter inside a well-built structure. Stay away from
windows.
To report severe weather, contact your nearest law enforcement
agency. They will send your report to the National Weather Service
office in Sioux Falls.
&&
LAT...LON 4288 9635 4298 9620 4284 9590 4268 9612
TIME...MOT...LOC 0154Z 312DEG 15KT 4289 9619
TORNADO...POSSIBLE
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
JH
Flood Warning
Flood Statement
National Weather Service Aberdeen SD
1007 AM CDT Sun Sep 21 2025
...The Flood Warning is extended for the following rivers in South
Dakota...
James River At Columbia affecting Brown County.
...The Flood Warning continues for the following rivers in South
Dakota...
James River near Stratford affecting Spink and Brown Counties.
.For sites with a river forecast, the forecast includes
precipitation through the next 24 hours. Any future precipitation
could affect the forecasts.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Motorists should not attempt to drive around barricades or drive
cars through flooded areas.
Turn around, don`t drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Caution is urged when walking near riverbanks.
Additional information is available at www.weather.gov/abr.
The next statement will be issued by Monday afternoon at 100 PM CDT.
&&
SDC013-115-242315-
/O.CON.KABR.FL.W.0033.000000T0000Z-000000T0000Z/
/SFDS2.1.ER.250826T0930Z.250921T1445Z.000000T0000Z.NO/
1007 AM CDT Sun Sep 21 2025
...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE...
* WHAT...Minor flooding is occurring and minor flooding is forecast.
* WHERE...James River near Stratford.
* WHEN...Until further notice.
* IMPACTS...At 16.0 feet, 137th Street and 140th Street are flooded.
* ADDITIONAL DETAILS...
- At 9:45 AM CDT Sunday the stage was 15.3 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 9:45 AM CDT Sunday was 15.3 feet.
- Forecast...The river is expected to remain steady above flood
stage at 15.3 feet.
- Flood stage is 14.0 feet.
- http://www.weather.gov/safety/flood
&&
LAT...LON 4552 9818 4515 9838 4515 9845 4552 9830
$$
10
Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Sioux Falls SD
505 PM CDT Sun Sep 21 2025
IAZ001>003-012>014-020>022-031-032-MNZ071-072-080-081-089-090-097-
098-NEZ013-014-SDZ056-061-062-065>071-222215-
Lyon-Osceola-Dickinson-Sioux-O`Brien-Clay-Plymouth-Cherokee-
Buena Vista-Woodbury-Ida-Lincoln-Murray-Cottonwood-Nobles-Jackson-
Pipestone-Rock-Dixon-Dakota-Moody-McCook-Minnehaha-Hutchinson-Turner-
Bon Homme-Yankton-Union-
505 PM CDT Sun Sep 21 2025
This Hazardous Weather Outlook is for northwest Iowa, west central
Iowa, southwest Minnesota, northeast Nebraska, east central South
Dakota and southeast South Dakota.
.DAY ONE...Tonight.
Isolated to scattered thunderstorms are ongoing this afternoon and
are expected slowly drift east southeast through the evening. A few
storms may be capable of producing 60 mph winds and half dollar size
hail, though widespread severe storms are not anticipated.
Patchy dense fog may develop again by Monday morning.
.DAYS TWO THROUGH SEVEN...Monday through Saturday.
Additional thunderstorm chances will linger into Monday evening,
focused primarily along the Missouri River and into areas of
northwest and western Iowa. At this time, severe weather risks are
low.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.
$$
Hazardous Weather Outlook
National Weather Service Sioux Falls SD
505 PM CDT Sun Sep 21 2025
SDZ038>040-050-052>055-057>060-063-064-222215-
Beadle-Kingsbury-Brookings-Gregory-Jerauld-Sanborn-Miner-Lake-Brule-
Aurora-Davison-Hanson-Charles Mix-Douglas-
505 PM CDT Sun Sep 21 2025
This Hazardous Weather Outlook is for central South Dakota, east
central South Dakota, south central South Dakota and southeast
South Dakota.
.DAY ONE...Tonight.
Isolated to scattered showers and thunderstorms are ongoing this
afternoon in east central South Dakota and southwestern Minnesota.
These are expected to continue into late this evening as they drift
east. The severe weather risks remain low and focused in areas east
of Interstate 29.
Patchy dense fog may again develop by Monday morning.
.DAYS TWO THROUGH SEVEN...Monday through Saturday.
Isolated thunderstorms are possible Monday afternoon and evening
along the Missouri River valley. The severe weather risks remain
low.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.
$$
Hazardous Weather Outlook
National Weather Service North Platte NE
413 PM CDT Sun Sep 21 2025
NEZ004>010-022>029-035>038-056>059-069>071-094-222115-
Sheridan-Eastern Cherry-Keya Paha-Boyd-Brown-Rock-Holt-Garden-Grant-
Hooker-Thomas-Blaine-Loup-Garfield-Wheeler-Arthur-McPherson-Logan-
Custer-Deuel-Keith-Perkins-Lincoln-Chase-Hayes-Frontier-
Western Cherry-
413 PM CDT Sun Sep 21 2025 /313 PM MDT Sun Sep 21 2025/
This Hazardous Weather Outlook is for portions of western and north
central Nebraska.
.DAY ONE...Tonight.
Hazardous weather is not expected at this time.
.DAYS TWO THROUGH SEVEN...Monday through Saturday.
There will be chance for a few strong or severe thunderstorms on
Monday afternoon and evening. There will also be the possibility of
locally heavy rainfall, especially along and south of Interstate 80
Monday night into Tuesday.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.
$$
Hazardous Weather Outlook
National Weather Service Omaha/Valley NE
324 PM CDT Sun Sep 21 2025
IAZ043-055-056-069-079-080-090-091-NEZ011-012-015>018-030>034-
042>045-050>053-065>068-078-088>093-222030-
Monona-Harrison-Shelby-Pottawattamie-Mills-Montgomery-Fremont-Page-
Knox-Cedar-Thurston-Antelope-Pierce-Wayne-Boone-Madison-Stanton-
Cuming-Burt-Platte-Colfax-Dodge-Washington-Butler-Saunders-Douglas-
Sarpy-Seward-Lancaster-Cass-Otoe-Saline-Jefferson-Gage-Johnson-
Nemaha-Pawnee-Richardson-
324 PM CDT Sun Sep 21 2025
This Hazardous Weather Outlook is for southwest Iowa, west central
Iowa, east central Nebraska, northeast Nebraska and southeast
Nebraska.
.DAY ONE...Tonight and Monday.
Patchy, dense fog is expected to develop again late tonight into
Monday morning, mainly along and east of the Missouri River.
A few strong to severe storms appear possible Monday afternoon into
Monday night, with large hail and damaging winds being the primary
hazards.
.DAYS TWO THROUGH SEVEN...Monday night through Saturday.
In additional to the severe weather threat, locally heavy rainfall
will also be a concern on Monday night.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.
$$
Hazardous Weather Outlook
National Weather Service Aberdeen SD
1256 PM CDT Sun Sep 21 2025
MNZ039-046-SDZ003>011-015>023-033>037-045-048-051-221800-
Traverse-Big Stone-Corson-Campbell-McPherson-Brown-Marshall-Roberts-
Walworth-Edmunds-Day-Dewey-Potter-Faulk-Spink-Clark-Codington-Grant-
Hamlin-Deuel-Stanley-Sully-Hughes-Hyde-Hand-Jones-Lyman-Buffalo-
1256 PM CDT Sun Sep 21 2025 /1156 AM MDT Sun Sep 21 2025/
This Hazardous Weather Outlook is for west central Minnesota,
central South Dakota, north central South Dakota and northeast
South Dakota.
.DAY ONE...This afternoon and tonight.
Patchy fog may develop across portions of central and northeast
South Dakota and west central Minnesota late tonight, potentially
dropping visibility to below 1 mile at times.
.DAYS TWO THROUGH SEVEN...Monday through Saturday.
Patchy fog may be ongoing across portions of central and northeast
South Dakota and west central Minnesota early Monday morning,
potentially dropping visibility to below 1 mile at times.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.
$$
10
Hazardous Weather Outlook
National Weather Service Twin Cities/Chanhassen MN
1236 PM CDT Sun Sep 21 2025
MNZ041>045-047>070-073>078-082>085-091>093-WIZ014>016-023>028-
221745-
Douglas-Todd-Morrison-Mille Lacs-Kanabec-Stevens-Pope-Stearns-
Benton-Sherburne-Isanti-Chisago-Lac Qui Parle-Swift-Chippewa-
Kandiyohi-Meeker-Wright-Hennepin-Anoka-Ramsey-Washington-
Yellow Medicine-Renville-McLeod-Sibley-Carver-Scott-Dakota-
Redwood-Brown-Nicollet-Le Sueur-Rice-Goodhue-Watonwan-Blue Earth-
Waseca-Steele-Martin-Faribault-Freeborn-Polk-Barron-Rusk-
St. Croix-Pierce-Dunn-Pepin-Eau Claire-
1236 PM CDT Sun Sep 21 2025
This Hazardous Weather Outlook is for portions of central and
southern Minnesota, and west central Wisconsin.
.DAY ONE...This Afternoon and Tonight.
Scattered thunderstorms this afternoon/evening. A few storms over
southern Minnesota, including the Twin Cities metro, may be
strong to severe, with the main hazard being large hail. There is
a non- zero chance of a brief tornado.
.DAYS TWO THROUGH SEVEN...Monday through Saturday.
Isolated to scattered thunderstorms can be expected over far
southern Minnesota on Monday. A few storms may be strong to
severe, with the main hazards being large hail and damaging
winds.
.SPOTTER INFORMATION STATEMENT...
SKYWARN spotter activation may be needed this afternoon into
tonight.
$$
Dunleavy
Hazardous Weather Outlook
National Weather Service Des Moines IA
858 AM CDT Sun Sep 21 2025
IAZ004>007-015>017-023>028-033>039-044>050-057>062-070>075-
081>086-092>097-221400-
Emmet-Kossuth-Winnebago-Worth-Palo Alto-Hancock-Cerro Gordo-
Pocahontas-Humboldt-Wright-Franklin-Butler-Bremer-Sac-Calhoun-
Webster-Hamilton-Hardin-Grundy-Black Hawk-Crawford-Carroll-Greene-
Boone-Story-Marshall-Tama-Audubon-Guthrie-Dallas-Polk-Jasper-
Poweshiek-Cass-Adair-Madison-Warren-Marion-Mahaska-Adams-Union-
Clarke-Lucas-Monroe-Wapello-Taylor-Ringgold-Decatur-Wayne-
Appanoose-Davis-
858 AM CDT Sun Sep 21 2025
This Hazardous Weather Outlook is for portions of central Iowa.
.DAY ONE...Today and tonight
There is a Marginal Risk for severe weather across parts of
northern and northwestern Iowa this afternoon and evening. Large
hail will be the primary threat.
.DAYS TWO THROUGH SEVEN...Monday through Saturday
There is a Marginal Risk for severe weather across much of Iowa
late Monday. Damaging winds and large hail are the primary
threats.
Thunderstorm chances will remain in the forecast through at least
Wednesday. Any severe weather threats during this time will be
determined in the coming days.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is unlikely today.
$$
