Severe thunderstorms developed along a warm front in very unstable air in west central South Dakota.  These storms merged together into a small severe bow as they moved east into central South Dakota. As the bow moved east, damaging winds from 60 to over 80 mph occurred across central South Dakota through the evening hours.

Thunderstorm Wind in SULLY, SOUTH DAKOTA
From 06-JUL-16 18:18:00 to 06-JUL-16 18:18:00 (CST-6)
Location: FIELDER
Magnitude: 61.00 EG
Reported by: Emergency Manager

Seventy mph winds moved a mobile home three to four feet off of its foundation.

Thunderstorm Wind in HYDE, SOUTH DAKOTA
From 06-JUL-16 19:25:00 to 06-JUL-16 19:25:00 (CST-6)
Location: HIGHMORE
Magnitude: 61.00 EG
Reported by: Law Enforcement

Seventy mph winds dented multiple grain bins along with slightly pulling them from their base.

Thunderstorm Wind in HYDE, SOUTH DAKOTA
From 06-JUL-16 19:25:00 to 06-JUL-16 19:25:00 (CST-6)
Location: HIGHMORE
Magnitude: 61.00 EG
Crop damage: 0.00K
Reported by: Law Enforcement

The roof on a metal machine shed was lost due to seventy mph winds.

Thunderstorm Wind in HYDE, SOUTH DAKOTA
From 06-JUL-16 19:25:00 to 06-JUL-16 19:25:00 (CST-6)
Location: HIGHMORE
Magnitude: 61.00 EG
Crop damage: 0.00K
Reported by: Law Enforcement

Several trees along with many large tree branches were downed in Highmore. There was also some power outages from the trees falling onto the lines.

Thunderstorm Wind in STANLEY, SOUTH DAKOTA
From 06-JUL-16 16:46:00 to 06-JUL-16 16:46:00 (MST-7)
Location: HAYES HAMILTON ARPT
Magnitude: 60.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Thunderstorm Wind in STANLEY, SOUTH DAKOTA
From 06-JUL-16 16:56:00 to 06-JUL-16 16:56:00 (MST-7)
Location: HAYES
Magnitude: 56.00 MG
Crop damage: 0.00K
Reported by: Public

Thunderstorm Wind in JONES, SOUTH DAKOTA
From 06-JUL-16 18:50:00 to 06-JUL-16 18:50:00 (CST-6)
Location: VAN METRE
Magnitude: 52.00 EG
Crop damage: 0.00K
Reported by: Trained Spotter

Sixty mph winds caused some minor shingle damage along with knocking the grill off of the deck.

Thunderstorm Wind in LYMAN, SOUTH DAKOTA
From 06-JUL-16 19:12:00 to 06-JUL-16 19:12:00 (CST-6)
Location: MC CLURE
Magnitude: 73.00 MG
Reported by: Mesonet

Eighty-four mph winds were measured at this station.

Thunderstorm Wind in LYMAN, SOUTH DAKOTA
From 06-JUL-16 19:15:00 to 06-JUL-16 19:15:00 (CST-6)
Location: MC CLURE
Magnitude: 63.00 MG
Reported by: Mesonet

Thunderstorm Wind in HAND, SOUTH DAKOTA
From 06-JUL-16 19:30:00 to 06-JUL-16 19:30:00 (CST-6)
Location: REE HGTS
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Sixty mph winds were estimated.

Thunderstorm Wind in LYMAN, SOUTH DAKOTA
From 06-JUL-16 19:35:00 to 06-JUL-16 19:35:00 (CST-6)
Location: LYMAN
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Sixty mph winds rolled several hay bales.

Thunderstorm Wind in HAND, SOUTH DAKOTA
From 06-JUL-16 19:45:00 to 06-JUL-16 19:45:00 (CST-6)
Location: REE HGTS
Magnitude: 59.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm Wind in HYDE, SOUTH DAKOTA
From 06-JUL-16 19:47:00 to 06-JUL-16 19:47:00 (CST-6)
Location: STEPHAN
Magnitude: 57.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Thunderstorm Wind in LYMAN, SOUTH DAKOTA
From 06-JUL-16 19:50:00 to 06-JUL-16 19:50:00 (CST-6)
Location: RELIANCE ARPT
Magnitude: 56.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Thunderstorm Wind in LYMAN, SOUTH DAKOTA
From 06-JUL-16 20:00:00 to 06-JUL-16 20:00:00 (CST-6)
Location: OACOMA
Magnitude: 54.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Thunderstorm Wind in BUFFALO, SOUTH DAKOTA
From 06-JUL-16 20:20:00 to 06-JUL-16 20:20:00 (CST-6)
Location: GANN VLY
Magnitude: 56.00 EG
Crop damage: 0.00K
Reported by: Law Enforcement

Sixty-five mph winds downed numerous tree branches in and around Gann Valley.

Thunderstorm Wind in LYMAN, SOUTH DAKOTA
From 06-JUL-16 20:30:00 to 06-JUL-16 20:30:00 (CST-6)
Location: OACOMA
Magnitude: 61.00 EG
Reported by: Public

Estimated seventy mph winds occurred at Oacoma.

High Wind in CORSON, SOUTH DAKOTA
From 06-JUL-16 18:06:00 to 06-JUL-16 18:06:00 (CST-6)
Magnitude: 53.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Winds gusted to over sixty mph behind exiting thunderstorms.

High Wind in WALWORTH, SOUTH DAKOTA
From 06-JUL-16 19:47:00 to 06-JUL-16 19:47:00 (CST-6)
Magnitude: 51.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Winds gusted to near sixty mph behind exiting thunderstorms.