A derecho tracked northeastward from Nebraska across parts of southwestern into central South Dakota. Wind gusts as high as 90 mph were reported across the area. Some trees and power poles were downed, along with mostly minor property damage.

Thunderstorm Wind in PENNINGTON, SOUTH DAKOTA
From 06-JUN-20 18:54:00 to 06-JUN-20 19:10:00 (MST-7)
Location: WASTA
Magnitude: 59.00 MG
Crop damage: 0.00K
Reported by: Mesonet

Thunderstorm Wind in JACKSON, SOUTH DAKOTA
From 06-JUN-20 18:54:00 to 06-JUN-20 19:00:00 (MST-7)
Location: CACTUS FLATS
Magnitude: 80.00 MG
Crop damage: 0.00K
Reported by: Mesonet

Thunderstorm Wind in JACKSON, SOUTH DAKOTA
From 06-JUN-20 19:05:00 to 06-JUN-20 19:10:00 (MST-7)
Location: WANBLEE
Magnitude: 64.00 MG
Crop damage: 0.00K
Reported by: Mesonet

Thunderstorm Wind in HAAKON, SOUTH DAKOTA
From 06-JUN-20 19:34:00 to 06-JUN-20 19:40:00 (MST-7)
Location: MIDLAND
Magnitude: 61.00 MG
Crop damage: 0.00K
Reported by: Mesonet

Thunderstorm Wind in JACKSON, SOUTH DAKOTA
From 06-JUN-20 19:34:00 to 06-JUN-20 19:40:00 (MST-7)
Location: BELVIDERE
Magnitude: 62.00 MG
Crop damage: 0.00K
Reported by: Mesonet

Thunderstorm Wind in OGLALA LAKOTA, SOUTH DAKOTA
From 06-JUN-20 18:05:00 to 06-JUN-20 18:05:00 (MST-7)
Location: OGLALA
Magnitude: 52.00 EG
Crop damage: 0.00K
Reported by: Trained Spotter

The spotter estimated wind gusts at 60 mph.

Thunderstorm Wind in OGLALA LAKOTA, SOUTH DAKOTA
From 06-JUN-20 18:09:00 to 06-JUN-20 18:09:00 (MST-7)
Location: (IEN)PINE RIDGE ARPT
Magnitude: 54.00 MG
Crop damage: 0.00K
Reported by: ASOS

Thunderstorm Wind in OGLALA LAKOTA, SOUTH DAKOTA
From 06-JUN-20 18:15:00 to 06-JUN-20 18:15:00 (MST-7)
Location: BATESLAND
Magnitude: 55.00 MG
Crop damage: 0.00K
Reported by: Mesonet

Thunderstorm Wind in OGLALA LAKOTA, SOUTH DAKOTA
From 06-JUN-20 18:25:00 to 06-JUN-20 18:25:00 (MST-7)
Location: PORCUPINE
Magnitude: 69.00 MG
Crop damage: 0.00K
Reported by: RAWS

Thunderstorm Wind in OGLALA LAKOTA, SOUTH DAKOTA
From 06-JUN-20 18:33:00 to 06-JUN-20 18:33:00 (MST-7)
Location: KYLE
Magnitude: 52.00 EG
Crop damage: 0.00K
Reported by: Public

Wind gusts were estimated at 60 mph.

Thunderstorm Wind in TODD, SOUTH DAKOTA
From 06-JUN-20 20:04:00 to 06-JUN-20 20:04:00 (CST-6)
Location: PARMELEE
Magnitude: 51.00 MG
Crop damage: 0.00K
Reported by: Mesonet

Thunderstorm Wind in MELLETTE, SOUTH DAKOTA
From 06-JUN-20 20:16:00 to 06-JUN-20 20:16:00 (CST-6)
Location: NORRIS
Magnitude: 61.00 EG
Crop damage: 0.00K
Reported by: Trained Spotter

Wind gusts were estimated at 70 mph.

Thunderstorm Wind in JACKSON, SOUTH DAKOTA
From 06-JUN-20 18:53:00 to 06-JUN-20 18:53:00 (MST-7)
Location: INTERIOR
Magnitude: 61.00 EG
Crop damage: 0.00K
Reported by: Trained Spotter

The highest wind gusts were estimated at 70 mph.

Thunderstorm Wind in JACKSON, SOUTH DAKOTA
From 06-JUN-20 18:58:00 to 06-JUN-20 18:58:00 (MST-7)
Location: KADOKA
Magnitude: 66.00 MG
Crop damage: 0.00K
Reported by: Storm Chaser

Two tractor trailers were blown over on interstate 90 between mile markers 141 and 143.

Thunderstorm Wind in JACKSON, SOUTH DAKOTA
From 06-JUN-20 19:00:00 to 06-JUN-20 19:00:00 (MST-7)
Location: COTTONWOOD
Magnitude: 61.00 MG
Crop damage: 0.00K
Reported by: Mesonet

Thunderstorm Wind in BENNETT, SOUTH DAKOTA
From 06-JUN-20 18:30:00 to 06-JUN-20 18:40:00 (MST-7)
Location: MARTIN
Magnitude: 70.00 EG
Crop damage: 0.00K
Reported by: Emergency Manager

The roof was partially torn off a home.

Thunderstorm Wind in BENNETT, SOUTH DAKOTA
From 06-JUN-20 18:45:00 to 06-JUN-20 18:50:00 (MST-7)
Location: MARTIN
Magnitude: 61.00 EG
Crop damage: 0.00K
Reported by: Public

Strong winds downed tree branches, with minor damage to the deck of the home.

Thunderstorm Wind in BENNETT, SOUTH DAKOTA
From 06-JUN-20 18:50:00 to 06-JUN-20 18:55:00 (MST-7)
Location: MARTIN MUNI ARPT
Magnitude: 70.00 EG
Crop damage: 0.00K
Reported by: Emergency Manager

A large temporary shed was tipped over and another temporary shed was moved several hundred feet and was destroyed.

Thunderstorm Wind in TODD, SOUTH DAKOTA
From 06-JUN-20 20:28:00 to 06-JUN-20 20:28:00 (CST-6)
Location: PARMELEE
Magnitude: 50.00 MG
Crop damage: 0.00K
Reported by: RAWS

Thunderstorm Wind in TODD, SOUTH DAKOTA
From 06-JUN-20 20:45:00 to 06-JUN-20 20:45:00 (CST-6)
Location: ROSEBUD
Magnitude: 52.00 MG
Crop damage: 0.00K
Reported by: Mesonet

Thunderstorm Wind in TRIPP, SOUTH DAKOTA
From 06-JUN-20 21:40:00 to 06-JUN-20 21:40:00 (CST-6)
Location: HAMILL
Magnitude: 56.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet