020 WWUS53 KUNR 291007 SVSUNR Severe Weather Statement National Weather Service Rapid City SD 507 AM CDT Mon Jun 29 2026 SDC095-123-291045- /O.CON.KUNR.SV.W.0135.000000T0000Z-260629T1045Z/ Mellette SD-Tripp SD- 507 AM CDT Mon Jun 29 2026 ...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 AM CDT FOR EASTERN MELLETTE AND NORTHWESTERN TRIPP COUNTIES... At 507 AM CDT, a severe thunderstorm was located 19 miles north of Mosher, or 25 miles northeast of White River, moving northeast at 40 mph. THIS IS A DESTRUCTIVE STORM FOR EASTERN MELLETTE AND NORTHERN TRIPP COUNTIES. HAZARD...80 mph wind gusts and ping pong ball size hail. SOURCE...Radar indicated. IMPACT...Flying debris will be dangerous to those caught without shelter. Mobile homes will be heavily damaged. Expect considerable damage to roofs, windows, and vehicles. Extensive tree damage and power outages are likely. Locations impacted include... Wood and Butte Creek. PRECAUTIONARY/PREPAREDNESS ACTIONS... This is a dangerous situation with winds expected to produce damage similar to a tornado. Move to an interior room on the lowest floor of a well-built structure. Mobile homes and high profile vehicles are at an enhanced risk for damage. && LAT...LON 4345 10047 4371 10068 4377 10059 4374 10055 4372 10047 4370 10028 4371 10023 4368 10021 4371 10001 4367 9987 4370 9986 4371 9975 4375 9975 4372 9973 4376 9970 4373 9969 4373 9967 4377 9966 4374 9962 4367 9962 TIME...MOT...LOC 0951Z 241DEG 33KT 4367 10050 THUNDERSTORM DAMAGE THREAT...DESTRUCTIVE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.50 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...80 MPH $$ Calderon 288 WWUS53 KABR 291008 SVSABR Severe Weather Statement National Weather Service Aberdeen SD 508 AM CDT Mon Jun 29 2026 SDC075-085-291115- /O.CON.KABR.SV.W.0087.000000T0000Z-260629T1115Z/ Jones SD-Lyman SD- 508 AM CDT Mon Jun 29 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 AM CDT FOR EASTERN JONES AND LYMAN COUNTIES... At 508 AM CDT, a severe thunderstorm was located 10 miles south of Vivian, or 17 miles southwest of Presho, moving northeast at 35 mph. HAZARD...70 mph wind gusts and half dollar size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect considerable tree damage. Wind damage is also likely to mobile homes, roofs, and outbuildings. Locations impacted include... Presho, Kennebec, Reliance, Vivian, Medicine Butte, Fate Dam, 5 Mile Corner, Earling Hill, Lyman, Byre Lake, and southwestern Lower Brule Reservation. PRECAUTIONARY/PREPAREDNESS ACTIONS... Prepare immediately for large hail and damaging winds. People outside should move to a shelter, inside a strong building and away from windows. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4371 10023 4370 10028 4374 10037 4372 10042 4373 10051 4377 10058 4407 10047 4420 10035 4420 10008 4394 9950 4369 9992 4371 10019 4369 10021 TIME...MOT...LOC 1008Z 232DEG 29KT 4378 10037 THUNDERSTORM DAMAGE THREAT...CONSIDERABLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.25 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...70 MPH $$ 06 667 WWUS53 KABR 291009 SVSABR Severe Weather Statement National Weather Service Aberdeen SD 509 AM CDT Mon Jun 29 2026 SDC065-075-085-117-291045- /O.CON.KABR.SV.W.0088.000000T0000Z-260629T1045Z/ Jones SD-Stanley SD-Hughes SD-Lyman SD- 509 AM CDT Mon Jun 29 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 AM CDT FOR NORTHEASTERN JONES...SOUTHEASTERN STANLEY...NORTHWESTERN HUGHES AND NORTHWESTERN LYMAN COUNTIES... At 509 AM CDT, a severe thunderstorm was located 11 miles south of Fort Pierre, moving northeast at 35 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Locations impacted include... Pierre, Fort Pierre, Overlook Rec Area, and Rousseau. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4394 10044 4404 10058 4422 10058 4450 10037 4434 9999 TIME...MOT...LOC 1009Z 210DEG 29KT 4420 10040 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ 06 859 WWUS53 KUNR 291014 SVSUNR Severe Weather Statement National Weather Service Rapid City SD 514 AM CDT Mon Jun 29 2026 SDC095-123-291045- /O.CON.KUNR.SV.W.0135.000000T0000Z-260629T1045Z/ Mellette SD-Tripp SD- 514 AM CDT Mon Jun 29 2026 ...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 AM CDT FOR EAST CENTRAL MELLETTE AND NORTHWESTERN TRIPP COUNTIES... At 514 AM CDT, a severe thunderstorm was located 14 miles northeast of Mosher, or 26 miles northwest of Winner, moving northeast at 35 mph. HAZARD...60 mph wind gusts and half dollar size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Locations impacted include... Mainly rural areas of East Central Mellette and Northwestern Tripp Counties. PRECAUTIONARY/PREPAREDNESS ACTIONS... Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing damaging winds and large hail. && LAT...LON 4348 10036 4372 10047 4370 10028 4371 10023 4368 10021 4371 10001 4369 10001 4367 9987 4370 9986 4369 9984 4371 9975 4375 9975 4372 9973 4376 9970 4373 9969 4373 9967 4377 9966 4374 9964 4374 9962 4367 9962 TIME...MOT...LOC 1007Z 246DEG 29KT 4363 10027 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.25 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Calderon 185 WWUS53 KABR 291024 SVSABR Severe Weather Statement National Weather Service Aberdeen SD 524 AM CDT Mon Jun 29 2026 SDC075-085-291115- /O.CON.KABR.SV.W.0087.000000T0000Z-260629T1115Z/ Jones SD-Lyman SD- 524 AM CDT Mon Jun 29 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 AM CDT FOR NORTHEASTERN JONES AND LYMAN COUNTIES... At 524 AM CDT, severe thunderstorms were located along a line extending from 10 miles southwest of Rousseau to near Fate Dam to 9 miles northwest of Ideal, moving northeast at 70 mph. HAZARD...70 mph wind gusts and quarter size hail. SOURCE...Public. At 513 AM CDT, 70 mph winds were reported 9 miles north-northwest of Vivian. IMPACT...Hail damage to vehicles is expected. Expect considerable tree damage. Wind damage is also likely to mobile homes, roofs, and outbuildings. Locations impacted include... Presho, Kennebec, Reliance, Vivian, Medicine Butte, Fate Dam, 5 Mile Corner, Earling Hill, Lyman, Byre Lake, and southwestern Lower Brule Reservation. PRECAUTIONARY/PREPAREDNESS ACTIONS... This is a DANGEROUS SITUATION. These storms are producing widespread wind damage across Lyman County. SEEK SHELTER NOW inside a sturdy structure and stay away from windows. Torrential rainfall is occurring with these storms, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4373 10035 4378 10039 4403 10048 4407 10047 4420 10035 4420 10008 4394 9950 4369 9992 4371 10019 4369 10021 4371 10023 4370 10028 TIME...MOT...LOC 1024Z 222DEG 59KT 4421 10021 4400 10008 4361 10009 THUNDERSTORM DAMAGE THREAT...CONSIDERABLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...OBSERVED MAX WIND GUST...70 MPH $$ 06 798 WWUS53 KUNR 291035 SVSUNR Severe Weather Statement National Weather Service Rapid City SD 535 AM CDT Mon Jun 29 2026 SDC095-123-291045- /O.EXP.KUNR.SV.W.0135.000000T0000Z-260629T1045Z/ Mellette SD-Tripp SD- 535 AM CDT Mon Jun 29 2026 ...SEVERE THUNDERSTORM WARNING WILL EXPIRE AT 545 AM CDT FOR EAST CENTRAL MELLETTE AND NORTHWESTERN TRIPP COUNTIES... The storm which prompted the warning has moved out of the area. Therefore, the warning will be allowed to expire. A Severe Thunderstorm Watch remains in effect until 600 AM CDT Monday for a portion of south central South Dakota. && LAT...LON 4348 10036 4372 10047 4370 10028 4371 10023 4368 10021 4371 10001 4369 10001 4367 9987 4370 9986 4369 9984 4371 9975 4375 9975 4372 9973 4376 9970 4373 9969 4373 9967 4377 9966 4374 9964 4374 9962 4367 9962 TIME...MOT...LOC 1014Z 246DEG 29KT 4366 10019 $$ Calderon 770 WWUS53 KABR 291045 SVSABR Severe Weather Statement National Weather Service Aberdeen SD 545 AM CDT Mon Jun 29 2026 SDC075-291055- /O.CAN.KABR.SV.W.0087.000000T0000Z-260629T1115Z/ Jones SD- 545 AM CDT Mon Jun 29 2026 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN JONES COUNTY IS CANCELLED... The storms which prompted the warning have moved out of the warned area. Therefore, the warning has been cancelled. A Severe Thunderstorm Watch remains in effect until 600 AM CDT for central South Dakota. && LAT...LON 4381 10018 4400 10026 4406 10031 4420 10035 4420 10008 4394 9950 4369 9994 4370 10006 TIME...MOT...LOC 1045Z 232DEG 29KT 4431 10003 4410 9990 4371 9991 $$ SDC085-291115- /O.CON.KABR.SV.W.0087.000000T0000Z-260629T1115Z/ Lyman SD- 545 AM CDT Mon Jun 29 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 AM CDT FOR NORTHERN LYMAN COUNTY... At 545 AM CDT, severe thunderstorms were located along a line extending from near Rousseau to near Cedar Creek Rec Area to 11 miles southeast of Earling Hill, moving northeast at 35 mph. HAZARD...70 mph wind gusts and quarter size hail. SOURCE...Public. IMPACT...Hail damage to vehicles is expected. Expect considerable tree damage. Wind damage is also likely to mobile homes, roofs, and outbuildings. Locations impacted include... Presho, Kennebec, Reliance, Medicine Butte, Fate Dam, 5 Mile Corner, Earling Hill, Lyman, Byre Lake, and southwestern Lower Brule Reservation. PRECAUTIONARY/PREPAREDNESS ACTIONS... This is a DANGEROUS SITUATION. These storms are producing widespread wind damage across Lyman County. SEEK SHELTER NOW inside a sturdy structure and stay away from windows. Torrential rainfall is occurring with these storms, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4381 10018 4400 10026 4406 10031 4420 10035 4420 10008 4394 9950 4369 9994 4370 10006 TIME...MOT...LOC 1045Z 232DEG 29KT 4431 10003 4410 9990 4371 9991 THUNDERSTORM DAMAGE THREAT...CONSIDERABLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...OBSERVED MAX WIND GUST...70 MPH $$ 06 681 WWUS53 KABR 291051 SVSABR Severe Weather Statement National Weather Service Aberdeen SD 551 AM CDT Mon Jun 29 2026 SDC059-065-069-085-117-119-291130- /O.CON.KABR.SV.W.0089.000000T0000Z-260629T1130Z/ Hand SD-Sully SD-Hyde SD-Stanley SD-Hughes SD-Lyman SD- 551 AM CDT Mon Jun 29 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 AM CDT FOR SOUTHWESTERN HAND...EASTERN SULLY...HYDE...SOUTHEASTERN STANLEY...HUGHES AND NORTHWESTERN LYMAN COUNTIES... At 549 AM CDT, severe thunderstorms were located along a line extending from near Canning to near Lake Sharpe to near West Bend Rec Area, moving northeast at 70 mph. THESE ARE DESTRUCTIVE STORMS FOR The JOE CREEK RECREATION AREA. HAZARD...100 mph wind gusts and quarter size hail. SOURCE...Public. At 112 mph wind gusts were reported at 548 AM at the Joe Creek Recreation Area. IMPACT...You are in a life-threatening situation. Flying debris may be deadly to those caught without shelter. Mobile homes will be destroyed. Expect considerable damage to homes and businesses. Expect extensive tree damage and power outages. These severe storms will be near... Blunt, Harrold, Stephan, and Lake Sharpe around 555 AM CDT. Other locations in the path of these severe thunderstorms include Holabird and Highmore. PRECAUTIONARY/PREPAREDNESS ACTIONS... This is an EXTREMELY DANGEROUS SITUATION with tornado like wind speeds expected. Mobile homes and high profile vehicles are especially susceptible to winds of this magnitude and may be overturned. For your protection move to an interior room on the lowest floor of a building. These storms have the potential to cause serious injury and significant property damage. This is an EXTREMELY DANGEROUS SITUATION. These storms are producing widespread wind damage across the warning area. SEEK SHELTER NOW inside a sturdy structure and stay away from windows. Torrential rainfall is occurring with these storms, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4406 10021 4433 10036 4456 10031 4490 9975 4490 9956 4467 9931 4430 9910 4419 9943 4419 9957 4417 9955 4415 9954 4395 10012 TIME...MOT...LOC 1049Z 219DEG 59KT 4445 10005 4424 9978 4413 9965 THUNDERSTORM DAMAGE THREAT...DESTRUCTIVE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...OBSERVED MAX WIND GUST...100 MPH $$ 06 057 WWUS53 KABR 291059 SVSABR Severe Weather Statement National Weather Service Aberdeen SD 559 AM CDT Mon Jun 29 2026 SDC085-291109- /O.CAN.KABR.SV.W.0087.000000T0000Z-260629T1115Z/ Lyman SD- 559 AM CDT Mon Jun 29 2026 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN LYMAN COUNTY IS CANCELLED... The storms which prompted the warning have moved out of the area. Therefore, the warning has been cancelled. A Severe Thunderstorm Watch remains in effect until 600 AM CDT for central South Dakota. A Severe Thunderstorm Watch also remains in effect until noon CDT for central South Dakota. To report severe weather, contact your nearest law enforcement agency. They will relay your report to the National Weather Service Aberdeen. && LAT...LON 4381 10018 4400 10026 4406 10031 4420 10035 4420 10008 4394 9950 4369 9994 4370 10006 TIME...MOT...LOC 1058Z 232DEG 29KT 4438 9991 4417 9978 4378 9979 $$ 06