Two lines of severe thunderstorms moved across southeast Minnesota during the afternoon and evening of June 30th. These storms dropped some hail and also produced damaging winds. Quarter sized hail fell near Preston (Fillmore County) and Winona (Winona County). A 69 mph wind gust occurred at the Rochester airport (Olmsted County) and trees and power lines were blown down in Austin (Mower County) and Lanesboro (Fillmore County). A lightning strike started a house fire in Goodview (Winona County).

Thunderstorm Wind in MOWER, MINNESOTA
From 30-JUN-18 17:35:00 to 30-JUN-18 17:35:00 (CST-6)
Location: MAPLEVIEW
Magnitude: 50.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Trees were blown down in Austin.

Thunderstorm Wind in MOWER, MINNESOTA
From 30-JUN-18 17:33:00 to 30-JUN-18 17:33:00 (CST-6)
Location: AUSTIN ACRES
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Numerous trees and power lines were blown down on the west side of Austin.

Thunderstorm Wind in MOWER, MINNESOTA
From 30-JUN-18 17:43:00 to 30-JUN-18 17:43:00 (CST-6)
Location: BROWNSDALE
Magnitude: 52.00 EG
Property damage: 8.00K
Crop damage: 0.00K
Reported by: Newspaper

Trees were blown down in Brownsdale with some of them landing on houses.

Thunderstorm Wind in MOWER, MINNESOTA
From 30-JUN-18 17:49:00 to 30-JUN-18 17:49:00 (CST-6)
Location: GRAND MEADOW
Magnitude: 52.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Trees were blown down on a farm north of Grand Meadow. One of the trees landed on the house.

Hail in WINONA, MINNESOTA
From 30-JUN-18 15:35:00 to 30-JUN-18 15:35:00 (CST-6)
Location: WINONA
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Quarter sized hail fell south of Winona.

Thunderstorm Wind in OLMSTED, MINNESOTA
From 30-JUN-18 17:54:00 to 30-JUN-18 17:54:00 (CST-6)
Location: (RST)ROCHESTER MUNI
Magnitude: 60.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

A 69 mph wind gust was measured by the automated weather observing equipment at the Rochester airport.

Thunderstorm Wind in FILLMORE, MINNESOTA
From 30-JUN-18 18:13:00 to 30-JUN-18 18:13:00 (CST-6)
Location: LANESBORO
Magnitude: 52.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Trees were blown down in Lanesboro.

Thunderstorm Wind in WINONA, MINNESOTA
From 30-JUN-18 18:26:00 to 30-JUN-18 18:26:00 (CST-6)
Location: ST CHARLES
Magnitude: 61.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Emergency Manager

An estimated 70 mph wind gust occurred in St. Charles that blew down some trees.

Flood in WINONA, MINNESOTA
From 30-JUN-18 19:40:00 to 30-JUN-18 21:40:00 (CST-6)
Location: ST CHARLES
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

Runoff from heavy rain pushed the Whitewater River out of its banks in the Whitewater River State Park. The river crested about a half foot above the flood stage at 13.94 feet.

Thunderstorm Wind in OLMSTED, MINNESOTA
From 30-JUN-18 17:49:00 to 30-JUN-18 17:49:00 (CST-6)
Location: STEWARTVILLE
Magnitude: 52.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Newspaper

Trees were blown down in Stewartville with some of the trees landing on houses.

Lightning in WINONA, MINNESOTA
From 30-JUN-18 18:47:00 to 30-JUN-18 18:47:00 (CST-6)
Location: GOODVIEW
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Newspaper

A lightning strike caused a house fire in Goodview.

Hail in FILLMORE, MINNESOTA
From 30-JUN-18 14:48:00 to 30-JUN-18 14:48:00 (CST-6)
Location: CARINONA
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Quarter sized hail fell west of Preston.