Severe thunderstorms developed north of a warm front and produced a large degree of damage from Brown County southeast through Deuel County. Wind gusts ranging from 50 to 95 mph downed numerous power lines and poles, uprooted trees, along with causing structural damage.

Funnel Cloud in CODINGTON, SOUTH DAKOTA
From 04-JUN-20 19:34:00 to 04-JUN-20 19:34:00 (CST-6)
Location: RAUVILLE
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in BROWN, SOUTH DAKOTA
From 04-JUN-20 17:59:00 to 04-JUN-20 17:59:00 (CST-6)
Location: ABERDEEN
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in SPINK, SOUTH DAKOTA
From 04-JUN-20 19:26:00 to 04-JUN-20 19:26:00 (CST-6)
Location: TULARE
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Thunderstorm Wind in STANLEY, SOUTH DAKOTA
From 04-JUN-20 17:03:00 to 04-JUN-20 17:03:00 (MST-7)
Location: BUNKER
Magnitude: 52.00 EG
Property damage: 0.00K
Reported by: Public

Sixty mph winds along with pea sized hail damaged a winter wheat crop.

Thunderstorm Wind in BROWN, SOUTH DAKOTA
From 04-JUN-20 18:19:00 to 04-JUN-20 18:19:00 (CST-6)
Location: GROTON
Magnitude: 70.00 EG
Crop damage: 0.00K
Reported by: Law Enforcement

Estimated eighty mph winds caused several power poles to lean over or break off south of Groton. There were also several downed trees.

Thunderstorm Wind in BROWN, SOUTH DAKOTA
From 04-JUN-20 18:19:00 to 04-JUN-20 18:19:00 (CST-6)
Location: GROTON
Magnitude: 65.00 EG
Crop damage: 0.00K
Reported by: Emergency Manager

Estimated seventy-five mph winds downed several trees in Groton along with damaging an apartment building.

Thunderstorm Wind in DAY, SOUTH DAKOTA
From 04-JUN-20 18:30:00 to 04-JUN-20 18:30:00 (CST-6)
Location: BRISTOL
Magnitude: 78.00 EG
Crop damage: 0.00K
Reported by: Emergency Manager

Estimated ninety mph winds destroyed a machine shed.

Thunderstorm Wind in DAY, SOUTH DAKOTA
From 04-JUN-20 18:43:00 to 04-JUN-20 18:43:00 (CST-6)
Location: BRISTOL
Magnitude: 65.00 EG
Crop damage: 0.00K
Reported by: Emergency Manager

Seventy-five mph winds downed several trees and power lines in Bristol.

Thunderstorm Wind in CODINGTON, SOUTH DAKOTA
From 04-JUN-20 19:22:00 to 04-JUN-20 19:22:00 (CST-6)
Location: FLORENCE
Magnitude: 65.00 EG
Crop damage: 0.00K
Reported by: Emergency Manager

Several trees were downed by estimated seventy-five mph winds.

Thunderstorm Wind in CODINGTON, SOUTH DAKOTA
From 04-JUN-20 19:30:00 to 04-JUN-20 19:30:00 (CST-6)
Location: (ATY)WATERTOWN ARPT
Magnitude: 65.00 EG
Crop damage: 0.00K
Reported by: Public

Many trees and evergreens were downed by estimated seventy-five mph winds.

Thunderstorm Wind in GRANT, SOUTH DAKOTA
From 04-JUN-20 19:31:00 to 04-JUN-20 19:31:00 (CST-6)
Location: MARVIN
Magnitude: 61.00 EG
Crop damage: 0.00K
Reported by: Emergency Manager

A semi was blown over on Interstate-29. No injuries were reported.

Thunderstorm Wind in CODINGTON, SOUTH DAKOTA
From 04-JUN-20 19:38:00 to 04-JUN-20 19:38:00 (CST-6)
Location: GROVER
Magnitude: 78.00 EG
Crop damage: 0.00K
Reported by: Public

Estimated ninety mph winds uprooted trees, tore up fencing, took a roof off a machine shed, and pushed an attached garage off its foundation.

Thunderstorm Wind in BROWN, SOUTH DAKOTA
From 04-JUN-20 17:45:00 to 04-JUN-20 17:45:00 (CST-6)
Location: RICHMOND
Magnitude: 62.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Thunderstorm Wind in STANLEY, SOUTH DAKOTA
From 04-JUN-20 16:55:00 to 04-JUN-20 16:55:00 (MST-7)
Location: HAYES
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Thunderstorm Wind in BROWN, SOUTH DAKOTA
From 04-JUN-20 17:59:00 to 04-JUN-20 17:59:00 (CST-6)
Location: ABERDEEN
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Sixty mph winds were estimated.

Thunderstorm Wind in BROWN, SOUTH DAKOTA
From 04-JUN-20 18:03:00 to 04-JUN-20 18:03:00 (CST-6)
Location: (ABR)ABERDEEN RGNL A
Magnitude: 70.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Thunderstorm Wind in DAY, SOUTH DAKOTA
From 04-JUN-20 18:39:00 to 04-JUN-20 18:39:00 (CST-6)
Location: ANDOVER
Magnitude: 53.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Thunderstorm Wind in DAY, SOUTH DAKOTA
From 04-JUN-20 19:00:00 to 04-JUN-20 19:00:00 (CST-6)
Location: WEBSTER MUNI ARPT
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Sixty mph winds were estimated.

Thunderstorm Wind in DAY, SOUTH DAKOTA
From 04-JUN-20 19:00:00 to 04-JUN-20 19:00:00 (CST-6)
Location: WEBSTER MUNI ARPT
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Thunderstorm Wind in DAY, SOUTH DAKOTA
From 04-JUN-20 19:05:00 to 04-JUN-20 19:05:00 (CST-6)
Location: WEBSTER MUNI ARPT
Magnitude: 54.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Thunderstorm Wind in DAY, SOUTH DAKOTA
From 04-JUN-20 19:22:00 to 04-JUN-20 19:22:00 (CST-6)
Location: WEBSTER MUNI ARPT
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Sixty mph winds were estimated.

Thunderstorm Wind in ROBERTS, SOUTH DAKOTA
From 04-JUN-20 19:40:00 to 04-JUN-20 19:40:00 (CST-6)
Location: SUMMIT
Magnitude: 83.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Thunderstorm Wind in CODINGTON, SOUTH DAKOTA
From 04-JUN-20 19:44:00 to 04-JUN-20 19:44:00 (CST-6)
Location: (ATY)WATERTOWN ARPT
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Thunderstorm Wind in GRANT, SOUTH DAKOTA
From 04-JUN-20 20:00:00 to 04-JUN-20 20:00:00 (CST-6)
Location: TROY
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Sixty mph winds were estimated.

Thunderstorm Wind in DEUEL, SOUTH DAKOTA
From 04-JUN-20 20:21:00 to 04-JUN-20 20:21:00 (CST-6)
Location: JOHNSONVILLE
Magnitude: 56.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Funnel Cloud in CODINGTON, SOUTH DAKOTA
From 04-JUN-20 19:34:00 to 04-JUN-20 19:34:00 (CST-6)
Location: RAUVILLE
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in BROWN, SOUTH DAKOTA
From 04-JUN-20 18:19:00 to 04-JUN-20 18:19:00 (CST-6)
Location: GROTON
Magnitude: 61.00 EG
Reported by: Law Enforcement

Seventy mph winds were estimated.