Heat in Minnesota, July 28 to 30, 1999

Name: Heat in Minnesota, July 28 to 30, 1999
Start: 1999-07-28T10:00
End: 1999-07-30T20:00
Location: Minnesota

July 28 to 30, 1999 · NWS ARX · 7 events in 7 counties and zones

Excessive heat and humidity affected southeast Minnesota once again with afternoon highs reaching the middle 90s to 100. Heat indices ranged from 105 to as high as 120.

Where it happened

Every event with a place to put it; 7 filed by county or forecast zone are drawn at its center, in a lighter ring. 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: 1
Injuries: 0
Property damage: None recorded
Crop damage: None recorded
Events: 7

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.

What happened

The episode as NWS ARX wrote it up.

Excessive heat and humidity affected southeast Minnesota once again with afternoon highs reaching the middle 90s to 100. Heat indices ranged from 105 to as high as 120. A 65 year old woman died of heat stroke in her mobile home when the temperature inside the home reached 130 degrees.

The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

7 heat. Local standard time, as filed.

Heat, Dodge

When: July 28, 10:00 AM CST to July 30, 8:00 PM CST
Where: Dodge forecast zone
Reported by: NEWSPAPER
Coordinates: 44.023, -92.862 (the zone’s center; the record gives no point)

Heat, Fillmore

When: July 28, 10:00 AM CST to July 30, 8:00 PM CST
Where: Fillmore forecast zone
Reported by: NEWSPAPER
Coordinates: 43.674, -92.090 (the zone’s center; the record gives no point)

Heat, Houston

When: July 28, 10:00 AM CST to July 30, 8:00 PM CST
Where: Houston forecast zone
Reported by: NEWSPAPER
Coordinates: 43.671, -91.493 (the zone’s center; the record gives no point)

Heat, Mower

When: July 28, 10:00 AM CST to July 30, 8:00 PM CST
Where: Mower forecast zone
Reported by: NEWSPAPER
Coordinates: 43.672, -92.752 (the zone’s center; the record gives no point)

Heat, Olmsted

When: July 28, 10:00 AM CST to July 30, 8:00 PM CST
Where: Olmsted forecast zone
Deaths: 1 direct, 0 indirect
Reported by: NEWSPAPER
Coordinates: 44.004, -92.402 (the zone’s center; the record gives no point)

Heat, Wabasha

When: July 28, 10:00 AM CST to July 30, 8:00 PM CST
Where: Wabasha forecast zone
Reported by: NEWSPAPER
Coordinates: 44.284, -92.230 (the zone’s center; the record gives no point)

Heat, Winona

When: July 28, 10:00 AM CST to July 30, 8:00 PM CST
Where: Winona forecast zone
Reported by: NEWSPAPER
Coordinates: 43.987, -91.779 (the zone’s center; the record gives no point)

The people who died

As the offices recorded each death: direct deaths were caused by the weather itself, indirect ones by something it set in motion.

Event	Date	Age	Sex	Where	Kind
Heat, Olmsted	1999-07-30	65	Female	Mobile/Trailer Home	Direct

What these are

Heat: Heat below excessive heat criteria that still caused deaths, injuries or significant impacts.

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

The same day elsewhere

Every storm in Minnesota in 1999 Every state in 1999 This day in weather history Warnings in Minnesota, July 1999

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 2026-09-30. Each event’s entry at NCEI: 5707590, 5707591, 5707592, 5707593, 5707594, 5707595, 5707596.