Wisconsin, 2024

Flooding in Wisconsin, July 14 to 19, 2024

July 14 to 19, 2024 · NWS MKX · 2 events in 1 county or zone

Additional rounds of heavy rain from July 13-16 led to more river flooding.

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

Open the live radar over this ground

The toll

Deaths
0
Injuries
0
Property damage
$2,000
Crop damage
None recorded
Events
2

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.

Additional rounds of heavy rain from July 13-16 led to more river flooding.

What forecasters said that day

The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Milwaukee, WI wrote its last area forecast discussion before the first event at Jul 14, 8:57 PM CST, 18 minutes earlier.

Area forecast discussion, Jul 14, 8:57 PM CST, 18 minutes before
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Hazardous weather outlook, Jul 14, 5:24 PM CST, 3 hours 51 minutes before
Hazardous Weather Outlook
National Weather Service Milwaukee/Sullivan WI
624 PM CDT Sun Jul 14 2024

WIZ046-047-051-052-056>060-062>072-152330-
Marquette-Green Lake-Fond du Lac-Sheboygan-Sauk-Columbia-Dodge-
Washington-Ozaukee-Iowa-Dane-Jefferson-Waukesha-Milwaukee-
Lafayette-Green-Rock-Walworth-Racine-Kenosha-
624 PM CDT Sun Jul 14 2024

This Hazardous Weather Outlook is for portions of east central
Wisconsin,south central Wisconsin and southeast Wisconsin.

.DAY ONE...Tonight

A Severe Thunderstorm Watch has been issued for Columbia, Dane,
Dodge, Green, Iowa, Jefferson, Kenosha, Lafayette, Milwaukee,
Racine, Rock, Sauk, Walworth, and Waukesha Counties until 1 AM.
Reports of severe weather would be appreciated.

Heat indices approaching 100 degrees are still expected across
southeastern Wisconsin this afternoon.

Showers and storms are expected this afternoon and evening. A few
storms could be strong to severe.

.DAYS TWO THROUGH SEVEN...Monday through Sunday

Additional showers and storms are expected Monday afternoon and
evening, with additional strong to severe storms possible.

Heat indices will approach 100 degrees again on Monday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed this afternoon and evening.

LMZ643>646-152330-
Sheboygan to Port Washington WI-
Port Washington to North Point Light WI-
North Point Light to Wind Point WI-
Wind Point WI to Winthrop Harbor IL-
624 PM CDT Sun Jul 14 2024

This Hazardous Weather Outlook is for the nearshore waters from Sheboygan Wisconsin to Winthrop Harbor Illinois.

.DAY ONE...Tonight

A Severe Thunderstorm Watch has been issued for the nearshore
zones from North Point Light to Wind Point WI and Wind Point WI
to Winthrop Harbor IL until 1 AM.

Showers and storms are expected this afternoon and evening. A few
storms could be strong to severe.

.DAYS TWO THROUGH SEVEN...Monday through Sunday

Additional showers and storms are expected Monday afternoon and
evening, with additional strong to severe storms possible.

LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-152330-
Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to
mid-line of lake.-
Lake Michigan from Seul Choix Point to Rock Island Passage 5NM
offshore to Mid Lake-
Lake Michigan South of a line from Seul Choix Point to the
Mackinac Bridge and North of a line from Charlevoix MI to South
Fox Island 5NM offshore-
Lake Michigan from Charlevoix to Point Betsie MI 5NM Offshore to
mid lake-
Lake Michigan from Point Betsie to Manistee MI 5NM offshore to
Mid Lake-
Lake Michigan from Rock Island Passage to Sturgeon Bay WI 5NM
offshore to mid lake-
Lake Michigan from Sturgeon Bay to Two Rivers WI 5NM offshore to
Mid Lake-
Lake Michigan from Two Rivers to Sheboygan WI 5NM offshore to Mid
Lake-
Lake Michigan from Sheboygan to Port Washington WI 5NM offshore
to Mid Lake-
Lake Michigan from Port Washington to North Point Light WI 5NM
offshore to Mid Lake-
Lake Michigan from North Point Light to Wind Point WI 5NM
offshore to Mid Lake-
Lake Michigan from Wind Point WI to Winthrop Harbor IL 5NM
offshore to Mid Lake-
Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5NM
offshore to Mid Lake-
Lake Michigan from Wilmette Harbor to Michigan City in 5NM
offshore to Mid Lake-
Lake Michigan from Pentwater to Manistee MI 5NM offshore to Mid
Lake-
Lake Michigan from Whitehall to Pentwater MI 5NM offshore to Mid
Lake-
Lake Michigan from Grand Haven to Whitehall MI 5NM offshore to
Mid Lake-
Lake Michigan from Holland to Grand Haven MI 5NM offshore to Mid
Lake-
Lake Michigan from South Haven to Holland MI 5NM offshore to Mid
lake-
Lake Michigan from St Joseph to South Haven MI 5NM offshore to
Mid Lake-
624 PM CDT Sun Jul 14 2024

This Hazardous Weather Outlook is for the open waters of Lake Michigan.

.DAY ONE...Tonight

Showers and storms are expected this afternoon and evening. A few
storms could be strong to severe.

.DAYS TWO THROUGH SEVEN...Monday through Sunday

Additional showers and storms are expected Monday afternoon and
evening, with additional strong to severe storms possible.

www.weather.gov/mkx

In the hours before

Local storm report, Jul 14, 8:34 PM CST, 41 minutes before
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Local storm report, Jul 14, 9:00 PM CST, 15 minutes before
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Local storm report, Jul 14, 9:07 PM CST, 8 minutes before
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Local storm report, Jul 14, 9:08 PM CST, 7 minutes before
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Local storm report, Jul 14, 9:09 PM CST, 6 minutes before
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Local storm report, Jul 14, 9:13 PM CST, 2 minutes before
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The radar

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

Open the radar archive at this moment

Event by event

2 flood. Local standard time, as filed.

Flood, Rock

When
July 14, 9:15 PM CST to July 19, 4:45 PM CST
Where
Rock County, 3.44 mi NW of Downtown Janesville to 2.86 mi WSW of Downtown Janesville
Cause
Heavy Rain
Property damage
$1,000
Reported by
Emergency Manager
Coordinates
42.719, -89.061

Floodwaters affect a road in Riverside Park on the north side of Janesville and South River Road on the south side of Janesville. Floodwaters affect a home on South Christian Road on the east side of the river in the Afton area. There is extensive lowland and agricultural land flooding in the Afton and Janesville areas.

Flood, Rock

When
July 15, 10:30 AM CST to July 19, 3:45 PM CST
Where
Rock County, 1.87 mi W of Avon to 1.88 mi S of Avon
Cause
Heavy Rain
Property damage
$1,000
Reported by
Emergency Manager
Coordinates
42.554, -89.366

In the Avon Bottoms area, there is flooding in Sugar River Park, and Beloit Newark Rd. and S. Hopkins Rd.

What these are

Flood
Flooding that develops more slowly than a flash flood: rivers leaving their banks, or water standing over land for an extended time.

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

The same day elsewhere

More

Every storm in Wisconsin in 2024Every state in 2024This day in weather historyWarnings in Wisconsin, July 2024

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: 1182822, 1182840.