Wisconsin, 1999

Heat in Wisconsin, February 11, 1999

February 11, 1999 · NWS MKX · 4 events in 4 counties and zones

South winds pulled extremely warm, moist air north into southern Wisconsin ahead of a deep low pressure and strong cold front. The city of Milwaukee in Milwaukee County established a new all-time record maximum temperature of 68 degree, breaking the old record of 65 set back in 1976.

Where it happened

Every event with a place to put it; 4 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
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
4

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 MKX wrote it up.

South winds pulled extremely warm, moist air north into southern Wisconsin ahead of a deep low pressure and strong cold front. The city of Milwaukee in Milwaukee County established a new all-time record maximum temperature of 68 degree, breaking the old record of 65 set back in 1976. A new daily record maximum was also established, with the old record of 60 set back in 1932. The city of Madison in Dane County established a new daily record maximum temperature of 61 degrees, breaking the old one being 54 set back in 1932. This narrowly missed the all-time February maximum of 63 set way back in 1882. Janesville in Rock County recorded a new daily maximum temperature of 66 degrees, breaking the old one of 51 set back in 1977. Up in Fond du Lac, a new all-time record maximum of 62 was recorded, breaking the old one of 58 set back in 1996 and 1932.

The radar

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

Open the radar archive at this moment

Event by event

4 heat. Local standard time, as filed.

Heat, Dane

When
February 11, 12:00 PM CST to 3:00 PM CST
Where
Dane forecast zone
Reported by
AWOS,ASOS,MESONET,ETC
Coordinates
43.067, -89.418 (the zone’s center; the record gives no point)

Heat, Rock

When
February 11, 12:00 PM CST to 3:00 PM CST
Where
Rock forecast zone
Reported by
AWOS,ASOS,MESONET,ETC
Coordinates
42.671, -89.072 (the zone’s center; the record gives no point)

Heat, Fond du Lac

When
February 11, 12:00 PM CST to 4:00 PM CST
Where
Fond du Lac forecast zone
Reported by
AWOS,ASOS,MESONET,ETC
Coordinates
43.754, -88.488 (the zone’s center; the record gives no point)

Heat, Milwaukee

When
February 11, 12:00 PM CST to 5:00 PM CST
Where
Milwaukee forecast zone
Reported by
AWOS,ASOS,MESONET,ETC
Coordinates
43.022, -87.929 (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 Wisconsin in 1999Every state in 1999This day in weather historyWarnings in Wisconsin, February 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 2026-10-01. Each event’s entry at NCEI: 5688747, 5688823, 5688824, 5688825.