Minnesota, 1999

Heat in Minnesota, July 4 to 5, 1999

July 4 to 5, 1999 · NWS ARX · 7 events in 7 counties and zones

Afternoon temperatures reaching 95 to 100 combined with high humidity levels caused heat indices of 105 to 115. Even though there were a few cases of heat exhaustion reported, there were no deaths directly related to the excessive heat and humidity.

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

Open the live radar over this ground

The toll

Deaths
0
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.

Afternoon temperatures reaching 95 to 100 combined with high humidity levels caused heat indices of 105 to 115. Even though there were a few cases of heat exhaustion reported, there were no deaths directly related to the excessive heat and humidity.

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 4, 7:00 AM CST to July 5, 7:00 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 4, 7:00 AM CST to July 5, 7:00 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 4, 7:00 AM CST to July 5, 7:00 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 4, 7:00 AM CST to July 5, 7:00 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 4, 7:00 AM CST to July 5, 7:00 PM CST
Where
Olmsted forecast zone
Reported by
NEWSPAPER
Coordinates
44.004, -92.402 (the zone’s center; the record gives no point)

Heat, Wabasha

When
July 4, 7:00 AM CST to July 5, 7:00 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 4, 7:00 AM CST to July 5, 7:00 PM CST
Where
Winona forecast zone
Reported by
NEWSPAPER
Coordinates
43.987, -91.779 (the zone’s center; the record gives no point)

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

More

Every storm in Minnesota in 1999Every state in 1999This day in weather historyWarnings 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 2026-09-24. Each event’s entry at NCEI: 5707483, 5707484, 5707485, 5707486, 5707487, 5707488, 5707489.