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Home Return to list Severe Thunderstorm Warning 0212 Issued by the Sioux Falls Forecast Office
Action: New Issued At: 2026-08-07 05:09:06
280
WUUS53 KFSD 071008
SVRFSD
SDC061-079-087-097-071100-
/O.NEW.KFSD.SV.W.0212.260807T1008Z-260807T1100Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Sioux Falls SD
508 AM CDT Fri Aug 7 2026
The National Weather Service in Sioux Falls has issued a
* Severe Thunderstorm Warning for...
Southwestern Lake County in east central South Dakota...
Southeastern Miner County in east central South Dakota...
McCook County in southeastern South Dakota...
Northeastern Hanson County in southeastern South Dakota...
* Until 600 AM CDT.
* At 508 AM CDT, a severe thunderstorm was located 7 miles west of
Canova, or 21 miles northeast of Mitchell, moving southeast at 35
mph.
HAZARD...Ping pong 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...
Spencer In McCook County and Canova around 515 AM CDT.
Salem around 520 AM CDT.
Other locations in the path of this severe thunderstorm include
Montrose and Lake Vermillion State Recreation Area.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4374 9775 4397 9774 4397 9713 4354 9713
TIME...MOT...LOC 1008Z 296DEG 32KT 4387 9765
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.50 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
JH
Action: Continued Issued At: 2026-08-07 05:23:40
762
WWUS53 KFSD 071023
SVSFSD
Severe Weather Statement
National Weather Service Sioux Falls SD
523 AM CDT Fri Aug 7 2026
SDC061-079-087-097-071100-
/O.CON.KFSD.SV.W.0212.000000T0000Z-260807T1100Z/
Lake SD-Miner SD-McCook SD-Hanson SD-
523 AM CDT Fri Aug 7 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 AM CDT
FOR SOUTHWESTERN LAKE...SOUTHEASTERN MINER...MCCOOK AND NORTHEASTERN
HANSON COUNTIES...
At 523 AM CDT, a severe thunderstorm was located just northwest of
Salem, or 20 miles northwest of Lake Vermillion State Recreation
Area, moving southeast at 35 mph.
HAZARD...Tennis ball size hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect wind
damage to roofs, siding, and trees.
Locations impacted include...
Salem, Montrose, Lake Vermillion State Recreation Area and
Canistota.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
This storm is producing large hail. SEEK SHELTER NOW inside a sturdy
structure and stay away from windows.
&&
LAT...LON 4372 9770 4397 9761 4397 9713 4354 9713
TIME...MOT...LOC 1023Z 295DEG 32KT 4379 9747
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...2.50 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
JH
Action: Continued Issued At: 2026-08-07 05:32:36
038
WWUS53 KFSD 071032
SVSFSD
Severe Weather Statement
National Weather Service Sioux Falls SD
532 AM CDT Fri Aug 7 2026
SDC061-071040-
/O.CAN.KFSD.SV.W.0212.000000T0000Z-260807T1100Z/
Hanson SD-
532 AM CDT Fri Aug 7 2026
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN HANSON COUNTY IS
CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
&&
LAT...LON 4374 9761 4390 9761 4397 9713 4354 9713
TIME...MOT...LOC 1030Z 291DEG 28KT 4380 9736 4382 9753
$$
SDC079-087-097-071100-
/O.CON.KFSD.SV.W.0212.000000T0000Z-260807T1100Z/
Lake SD-Miner SD-McCook SD-
532 AM CDT Fri Aug 7 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 AM CDT
FOR SOUTHWESTERN LAKE...SOUTHEASTERN MINER AND NORTHERN MCCOOK
COUNTIES...
At 530 AM CDT, a severe thunderstorms was located 5 miles north of
Salem, moving east at 25 mph. A second severe thunderstorm was
located just south of Canova, moving southeast at 30 mph.
HAZARD...Two inch hail and 60 mph wind gusts. The largest hail is
expected with the second storm just south of Canova.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect wind
damage to roofs, siding, and trees.
These severe storms will be near...
Salem around 540 AM CDT.
Other locations in the path of these severe thunderstorms include
Montrose.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
These storms are producing large hail. SEEK SHELTER NOW inside a
sturdy structure and stay away from windows.
&&
LAT...LON 4374 9761 4390 9761 4397 9713 4354 9713
TIME...MOT...LOC 1030Z 291DEG 28KT 4380 9736 4382 9753
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...2.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
JH
Action: Cancelled Issued At: 2026-08-07 05:32:36
038
WWUS53 KFSD 071032
SVSFSD
Severe Weather Statement
National Weather Service Sioux Falls SD
532 AM CDT Fri Aug 7 2026
SDC061-071040-
/O.CAN.KFSD.SV.W.0212.000000T0000Z-260807T1100Z/
Hanson SD-
532 AM CDT Fri Aug 7 2026
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN HANSON COUNTY IS
CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
&&
LAT...LON 4374 9761 4390 9761 4397 9713 4354 9713
TIME...MOT...LOC 1030Z 291DEG 28KT 4380 9736 4382 9753
$$
SDC079-087-097-071100-
/O.CON.KFSD.SV.W.0212.000000T0000Z-260807T1100Z/
Lake SD-Miner SD-McCook SD-
532 AM CDT Fri Aug 7 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 AM CDT
FOR SOUTHWESTERN LAKE...SOUTHEASTERN MINER AND NORTHERN MCCOOK
COUNTIES...
At 530 AM CDT, a severe thunderstorms was located 5 miles north of
Salem, moving east at 25 mph. A second severe thunderstorm was
located just south of Canova, moving southeast at 30 mph.
HAZARD...Two inch hail and 60 mph wind gusts. The largest hail is
expected with the second storm just south of Canova.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect wind
damage to roofs, siding, and trees.
These severe storms will be near...
Salem around 540 AM CDT.
Other locations in the path of these severe thunderstorms include
Montrose.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
These storms are producing large hail. SEEK SHELTER NOW inside a
sturdy structure and stay away from windows.
&&
LAT...LON 4374 9761 4390 9761 4397 9713 4354 9713
TIME...MOT...LOC 1030Z 291DEG 28KT 4380 9736 4382 9753
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...2.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
JH
Action: Continued Issued At: 2026-08-07 05:41:11
142
WWUS53 KFSD 071040
SVSFSD
Severe Weather Statement
National Weather Service Sioux Falls SD
540 AM CDT Fri Aug 7 2026
SDC079-087-097-071100-
/O.CON.KFSD.SV.W.0212.000000T0000Z-260807T1100Z/
Lake SD-Miner SD-McCook SD-
540 AM CDT Fri Aug 7 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 AM CDT
FOR SOUTHWESTERN LAKE...SOUTHEASTERN MINER AND NORTHERN MCCOOK
COUNTIES...
At 539 AM CDT, a severe thunderstorm was located just southeast of
Canova, or 17 miles southwest of Lake Herman State Park, moving east
at 25 mph.
HAZARD...60 mph wind gusts and half dollar size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
This severe storm will be near...
mainly rural areas north of Salem through 550 AM CDT.
Other locations in the path of this severe thunderstorm include
Montrose.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4374 9753 4387 9751 4396 9713 4354 9713
4358 9722
TIME...MOT...LOC 1039Z 283DEG 24KT 4381 9743
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
JH
Action: Expired Issued At: 2026-08-07 05:51:37
490
WWUS53 KFSD 071051
SVSFSD
Severe Weather Statement
National Weather Service Sioux Falls SD
551 AM CDT Fri Aug 7 2026
SDC079-087-097-071100-
/O.EXP.KFSD.SV.W.0212.000000T0000Z-260807T1100Z/
Lake SD-Miner SD-McCook SD-
551 AM CDT Fri Aug 7 2026
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN LAKE...
SOUTHEASTERN MINER AND NORTHERN MCCOOK COUNTIES WILL EXPIRE AT 600 AM
CDT...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire. However, small
hail and gusty winds are still possible with this thunderstorm.
&&
LAT...LON 4374 9753 4387 9751 4396 9713 4354 9713
4358 9722
TIME...MOT...LOC 1050Z 296DEG 32KT 4403 9712
$$
JH
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