Thanatos Weather
Sunday, May 24, 2026 10:29:01

Products in the Last Seven Days
Type Phenomena Count
WarningSevere Thunderstorm994
AdvisoryAreal Flood327
AdvisorySmall Craft172
WarningTornado152
WarningFlash Flood141
WatchSevere Thunderstorm63
AdvisoryFrost57
WarningFreeze43
AdvisoryWind40
WarningFire Weather38
WatchFire Weather30
WatchTornado25
WatchAreal Flood25
AdvisoryDense Fog16
WatchFreeze15
WarningGale14
AdvisoryLake Wind13
WatchGale11
AdvisoryWinter Weather11
WarningDust Storm10
WarningHigh Wind9
WatchHazardous Seas8
AdvisoryHeat7
WatchWinter Storm6
WarningWinter Storm6
AdvisoryBlowing Dust5
AdvisoryDust Storm3
AdvisoryFlood2
WatchHigh Wind2
WarningHazardous Seas2
WarningBlowing Dust1
Most Active Forecast Offices
Forecast Office Products
Omaha / Valley, NE103
San Angelo, TX103
Topeka, KS99
Austin / San Antonio, TX64
Midland / Odessa, TX61
Kansas City / Pleasant Hill, MO54
Amarillo, TX51
Norman, OK50
Wichita, KS48
Detroit / Pontiac, MI47
Louisville, KY43
Baton Rouge, LA42
Lubbock, TX41
Marquette, MI40
Sioux Falls, SD39
Wilmington, OH38
Corpus Christi, TX38
Des Moines, IA38
Shreveport, LA36
Mount Holly / Philadelphia, NJ36
Product Count by Day
Date Warn Watch Advis.
2026-05-2410 1135
2026-05-23153 983
2026-05-22170 1270
2026-05-21117 9103
2026-05-20115 1281
2026-05-19186 1874
2026-05-18337 42126
2026-05-17284 3260
2026-05-1624 2624
Particularly Dangerous Situations
Product Forecast Office
Tornado Warning 0005Hastings, NE
Tornado Warning 0032Omaha / Valley, NE
Tornado Warning 0044Kansas City / Pleasant Hill, MO
Home
Return to list
Tornado Warning 0004
Issued by the Sioux Falls Forecast Office

Action Issued Starts Expiration
New 2026-05-17 15:23:58 2026-05-17 15:23:00 2026-05-17 16:15:00
Continued 2026-05-17 15:38:28 2026-05-17 16:15:00
Continued 2026-05-17 15:50:28 2026-05-17 16:15:00
Cancelled 2026-05-17 15:50:28 2026-05-17 16:15:00
Expired 2026-05-17 16:11:59 2026-05-17 16:15:00


Action: New
Issued At: 2026-05-17 15:23:58

818 
WFUS53 KFSD 172023
TORFSD
SDC067-125-135-172115-
/O.NEW.KFSD.TO.W.0004.260517T2023Z-260517T2115Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Sioux Falls SD
323 PM CDT Sun May 17 2026

The National Weather Service in Sioux Falls has issued a

* Tornado Warning for...
  Northern Yankton County in southeastern South Dakota...
  Southern Turner County in southeastern South Dakota...
  Southeastern Hutchinson County in southeastern South Dakota...

* Until 415 PM CDT.

* At 323 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Scotland, or 16 miles northeast of Tyndall, moving
  east at 50 mph.

  HAZARD...Tornado and ping pong ball size hail.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* This dangerous storm will be near...
  Mayfield around 335 PM CDT.

Other locations in the path of this tornadic thunderstorm include
Viborg, Hurley and Davis.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4316 9763 4317 9766 4319 9767 4339 9702
      4311 9694 4306 9763
TIME...MOT...LOC 2023Z 250DEG 43KT 4313 9759 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.50 IN

$$

Weisser


Action: Continued
Issued At: 2026-05-17 15:38:28

213 
WWUS53 KFSD 172037 RRA
SVSFSD

Severe Weather Statement
National Weather Service Sioux Falls SD
337 PM CDT Sun May 17 2026

SDC067-125-135-172115-
/O.CON.KFSD.TO.W.0004.000000T0000Z-260517T2115Z/
Yankton SD-Turner SD-Hutchinson SD-
337 PM CDT Sun May 17 2026

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM CDT FOR NORTHERN
YANKTON...SOUTHERN TURNER AND SOUTHEASTERN HUTCHINSON COUNTIES...

At 337 PM CDT, a severe thunderstorm capable of producing a tornado
was located 8 miles northwest of Mayfield, or 19 miles southwest of
Parker, moving east at 45 mph.

HAZARD...Tornado and golf ball size hail.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

Locations impacted include...
  Viborg, Hurley and Davis.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4316 9763 4317 9766 4319 9767 4339 9702
      4311 9694 4306 9763
TIME...MOT...LOC 2037Z 248DEG 39KT 4319 9739 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.75 IN

$$

Weisser


Action: Continued
Issued At: 2026-05-17 15:50:28

557 
WWUS53 KFSD 172050
SVSFSD

Severe Weather Statement
National Weather Service Sioux Falls SD
350 PM CDT Sun May 17 2026

SDC067-172059-
/O.CAN.KFSD.TO.W.0004.000000T0000Z-260517T2115Z/
Hutchinson SD-
350 PM CDT Sun May 17 2026

...THE TORNADO WARNING FOR SOUTHEASTERN HUTCHINSON COUNTY IS
CANCELLED...

The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 1000 PM CDT for southeastern
South Dakota.

&&

LAT...LON 4317 9740 4339 9702 4311 9694 4308 9739
TIME...MOT...LOC 2049Z 252DEG 42KT 4323 9719 

$$

SDC125-135-172115-
/O.CON.KFSD.TO.W.0004.000000T0000Z-260517T2115Z/
Yankton SD-Turner SD-
350 PM CDT Sun May 17 2026

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM CDT FOR
NORTHEASTERN YANKTON AND SOUTHERN TURNER COUNTIES...

At 349 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Hurley, or 12 miles south of Parker, moving east at
50 mph.

HAZARD...Tornado and golf ball size hail.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

Locations impacted include...
Centerville, Viborg, Hurley, and Davis.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4317 9740 4339 9702 4311 9694 4308 9739
TIME...MOT...LOC 2049Z 252DEG 42KT 4323 9719 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.75 IN

$$

Weisser


Action: Cancelled
Issued At: 2026-05-17 15:50:28

557 
WWUS53 KFSD 172050
SVSFSD

Severe Weather Statement
National Weather Service Sioux Falls SD
350 PM CDT Sun May 17 2026

SDC067-172059-
/O.CAN.KFSD.TO.W.0004.000000T0000Z-260517T2115Z/
Hutchinson SD-
350 PM CDT Sun May 17 2026

...THE TORNADO WARNING FOR SOUTHEASTERN HUTCHINSON COUNTY IS
CANCELLED...

The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 1000 PM CDT for southeastern
South Dakota.

&&

LAT...LON 4317 9740 4339 9702 4311 9694 4308 9739
TIME...MOT...LOC 2049Z 252DEG 42KT 4323 9719 

$$

SDC125-135-172115-
/O.CON.KFSD.TO.W.0004.000000T0000Z-260517T2115Z/
Yankton SD-Turner SD-
350 PM CDT Sun May 17 2026

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM CDT FOR
NORTHEASTERN YANKTON AND SOUTHERN TURNER COUNTIES...

At 349 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Hurley, or 12 miles south of Parker, moving east at
50 mph.

HAZARD...Tornado and golf ball size hail.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

Locations impacted include...
Centerville, Viborg, Hurley, and Davis.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4317 9740 4339 9702 4311 9694 4308 9739
TIME...MOT...LOC 2049Z 252DEG 42KT 4323 9719 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.75 IN

$$

Weisser


Action: Expired
Issued At: 2026-05-17 16:11:59

144 
WWUS53 KFSD 172111
SVSFSD

Severe Weather Statement
National Weather Service Sioux Falls SD
411 PM CDT Sun May 17 2026

SDC125-135-172121-
/O.EXP.KFSD.TO.W.0004.000000T0000Z-260517T2115Z/
Yankton SD-Turner SD-
411 PM CDT Sun May 17 2026

...THE TORNADO WARNING FOR NORTHEASTERN YANKTON AND SOUTHERN TURNER
COUNTIES WILL EXPIRE AT 415 PM CDT...

The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.  However, small
hail, gusty winds and heavy rain are still possible with this
thunderstorm.

A Tornado Watch remains in effect until 1000 PM CDT for southeastern
South Dakota.

&&

LAT...LON 4317 9740 4339 9702 4311 9694 4308 9739
TIME...MOT...LOC 2111Z 250DEG 43KT 4331 9689 

$$

Weisser



Page Loaded at: 2026-05-24 10:29:01 -- Client Address: 216.73.216.209 -- Refresh Time: seconds