Hail and Damaging Winds in Minnesota, August 4, 1979

Name: Hail and Damaging Winds in Minnesota, August 4, 1979
Start: 1979-08-04T01:00
End: 1979-08-04T05:45
Location: Minnesota

August 4, 1979 · NWS T · 11 events in 8 counties and zones

10 thunderstorm wind, 1 hail, as filed by the National Weather Service.

Where it happened

Every event with a place to put it. Tap one for its entry below.

Tornadoes
Tropical storms and surge
Floods
Wind
Hail
Winter weather
Heat and drought
Cold
Fire, smoke and dust
Marine and coastal
Other

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The toll

Deaths: 0
Injuries: 0
Property damage: None recorded
Crop damage: None recorded
Events: 11

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

Event by event

10 thunderstorm wind, 1 hail. Local standard time, as filed.

Hail, Lyon

When: August 4, 1:00 AM CST
Where: Lyon County
Measured: 1 in hail
Coordinates: 44.620, -95.670

Thunderstorm Wind, Lyon

When: August 4, 1:00 AM CST
Where: Lyon County
Coordinates: 44.620, -95.670

Thunderstorm Wind, Lyon

When: August 4, 1:05 AM CST
Where: Lyon County
Coordinates: 44.450, -95.780

Thunderstorm Wind, Lincoln

When: August 4, 1:20 AM CST
Where: Lincoln County
Measured: 70 kt (81 mph)
Coordinates: 44.330, -96.430

Thunderstorm Wind, Olmsted

When: August 4, 2:07 AM CST
Where: Olmsted County
Measured: 53 kt (61 mph)
Coordinates: 43.920, -92.500

Thunderstorm Wind, Cottonwood

When: August 4, 2:15 AM CST
Where: Cottonwood County
Measured: 52 kt (60 mph)
Coordinates: 44.050, -95.430

Thunderstorm Wind, Brown

When: August 4, 2:30 AM CST
Where: Brown County
Coordinates: 44.270, -94.980

Thunderstorm Wind, Brown

When: August 4, 2:35 AM CST
Where: Brown County
Coordinates: 44.300, -94.730

Thunderstorm Wind, Freeborn

When: August 4, 4:30 AM CST
Where: Freeborn County
Coordinates: 43.650, -93.380

Thunderstorm Wind, Fillmore

When: August 4, 5:20 AM CST
Where: Fillmore County
Coordinates: 43.680, -92.400

Thunderstorm Wind, Houston

When: August 4, 5:45 AM CST
Where: Houston County
Coordinates: 43.630, -91.500

What these are

Hail: Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
Thunderstorm Wind: Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

Every storm in Minnesota in 1979 Every state in 1979 This day in weather history

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 10053745, 10053746, 10053747, 10053748, 10053749, 10053750, 10053751, 10053752, 10053753, 10053754, 10053755.