Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 138, NWS Milwaukee, WI

June 11, 2026Kenosha County, Racine County, Wisconsin

NWS Milwaukee, WI issued this severe thunderstorm warning at Jun 11, 2026, 5:47 PM CDT for Kenosha County, Racine County, Wisconsin. It was in force for 58 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 11, 2026, 5:47 PM CDT (22:47 UTC)
Expired
Jun 11, 2026, 6:45 PM CDT
In force
58 min
Issued by
NWS Milwaukee, WI
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Kenosha County, WI, Racine County, WI

The radar

The Milwaukee radar (KMKX), 69 km from the middle of the area, began a volume at 22:48 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 11, 1:57 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 10.8 hours before the alert went out and 205 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Green Bay/Straub, WI at 12:00Z on 2026-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Green Bay/Straub, WI at 12:00Z on 2026-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -59 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1194 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
-59 m²/s²
0-3 km storm-relative helicity
-39 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.2

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, 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 this severe thunderstorm warning went out at Jun 11, 5:30 PM CDT, 17 minutes earlier.

Area forecast discussion, Jun 11, 5:30 PM CDT, 17 minutes before
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Hazardous weather outlook, Jun 11, 2:00 PM CDT, 3 hours 47 minutes before
Hazardous Weather Outlook...UPDATED
National Weather Service Milwaukee/Sullivan WI
200 PM CDT Thu Jun 11 2026

WIZ046-047-051-052-056>060-062>072-121900-
Marquette-Green Lake-Fond du Lac-Sheboygan-Sauk-Columbia-Dodge-
Washington-Ozaukee-Iowa-Dane-Jefferson-Waukesha-Milwaukee-
Lafayette-Green-Rock-Walworth-Racine-Kenosha-
200 PM CDT Thu Jun 11 2026

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

.DAY ONE...This Afternoon and Tonight

Thunderstorms will move west to east across southern Wisconsin
this afternoon into early this evening. Damaging winds, isolated
tornadoes, and large hail are the main hazards. The greatest
tornado risk is for counties along the Wisconsin Illinois state
line, roughly along and south of a line from Darlington to Racine.

Flash flooding of urban and slow drainage areas is expected.

There is a moderate swim risk late this afternoon and tonight for
Sheboygan, Ozaukee and Milwaukee counties. Breaking waves and
currents are expected. Stay away from dangerous areas like piers
and breakwalls.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

There is a chance for thunderstorms Saturday afternoon and evening.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will likely be needed this afternoon and
evening.

LMZ643>646-121900-
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-
200 PM CDT Thu Jun 11 2026

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

.DAY ONE...This Afternoon and Tonight

Strong to severe thunderstorms are likely late this afternoon and
evening.

Winds and waves will reach Small Craft Advisory levels late this
afternoon and tonight.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

There are chances for thunderstorms Saturday afternoon and
evening.

LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-121900-
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-
200 PM CDT Thu Jun 11 2026

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

.DAY ONE...This Afternoon and Tonight

Strong to severe thunderstorms are likely late this afternoon and
evening.

Areas of dense fog will remain possible especially over the north
half.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

There are chances for thunderstorms Saturday afternoon and
evening.

www.weather.gov/mkx

In the hours before

Special weather statement, Jun 11, 12:43 PM CDT, 5 hours 4 minutes before
Special Weather Statement
National Weather Service Milwaukee/Sullivan WI
1243 PM CDT Thu Jun 11 2026

WIZ058>060-065-066-111815-
Dodge WI-Waukesha WI-Milwaukee WI-Washington WI-Ozaukee WI-
1243 PM CDT Thu Jun 11 2026

...STRONG THUNDERSTORMS WILL IMPACT OZAUKEE...NORTHERN MILWAUKEE...
NORTHEASTERN WAUKESHA...WASHINGTON AND EAST CENTRAL DODGE COUNTIES
THROUGH 115 PM CDT...

At 1243 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Iron Ridge to near Germantown to West
Milwaukee. Movement was northeast at 50 mph.

HAZARD...Wind gusts up to 50 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor hail damage to vegetation is
         possible.

Locations impacted include...
Milwaukee, West Allis, Wauwatosa, Brookfield, Greenfield, Menomonee
Falls, West Bend, Mequon, Hartford, Whitefish Bay, Brown Deer,
Grafton, Cedarburg, Port Washington, Sussex, Jackson, Fox Point, Elm
Grove, Slinger, and Saukville.

This includes the following highways...
 Interstate 94 between mile markers 303 and 310.
 Interstate 43 between mile markers 73 and 110.
 Interstate 41 between mile markers 40 and 77.
 U.S. Highway 45 between mile markers 61 and 73.
 Interstate 41/894 between mile markers 0 and 2.
 Interstate 41/43/894 between mile markers 7 and 9.
 Interstate 43/94 between mile markers 311 and 315.
 Interstate 794 between mile markers 1 and 3.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 4338 8787 4326 8791 4318 8788 4312 8790
      4307 8787 4303 8790 4299 8788 4295 8798
      4320 8828 4334 8859 4354 8829 4354 8780
      4349 8779
TIME...MOT...LOC 1743Z 238DEG 43KT 4340 8846 4325 8819 4302 8797

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...50 MPH

HEEREN
Local storm report, Jun 11, 5:31 PM CDT, 16 minutes before
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The office that day

Everything else NWS Milwaukee, WI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 10, 8:00 PM CDTSevere Thunderstorm WarningMKXMarquette60 min
Jun 11, 3:52 AM CDTSmall Craft AdvisoryMKX20 hr
Jun 11, 10:24 AM CDTSpecial Weather StatementMKXGreen, Iowa, Lafayette66 min
Jun 11, 11:02 AM CDTFlood WatchMKXColumbia, Dane, Dodge, Fond du Lac, Green, Green Lake and 14 more9 hr
Jun 11, 11:16 AM CDTSpecial Weather StatementMKXDane44 min
Jun 11, 11:37 AM CDTSpecial Weather StatementMKXJefferson, Rock, Walworth, Waukesha53 min
Jun 11, 11:43 AM CDTHigh Wind WarningMKXColumbia, Green Lake, Marquette, Sauk77 min
Jun 11, 12:43 PM CDTSpecial Weather StatementMKXOzaukee, Washington32 min
Jun 11, 4:34 PM CDTFlash Flood WarningMKXGreen, Rock3 hr
Jun 11, 5:23 PM CDTFlash Flood WarningMKXRock103 min
Jun 11, 5:31 PM CDTSevere Thunderstorm WarningMKXRock, Walworth44 min
Jun 11, 5:37 PM CDTAreal Flood AdvisoryMKXWalworth3 hr
Jun 11, 5:50 PM CDTSpecial Weather StatementMKXMilwaukee, Waukesha55 min
Jun 11, 6:01 PM CDTTornado WarningMKXKenosha, Racine29 min
Jun 11, 6:24 PM CDTSpecial Marine WarningMKX51 min
Jun 11, 6:24 PM CDTSevere Thunderstorm WarningMKXMilwaukee21 min
Jun 11, 6:37 PM CDTSevere Thunderstorm WarningMKXFond du Lac, Sheboygan38 min
Jun 11, 6:38 PM CDTSpecial Marine WarningMKX52 min
Jun 11, 6:45 PM CDTSpecial Weather StatementMKXKenosha30 min
Jun 11, 6:57 PM CDTAreal Flood AdvisoryMKXKenosha, Walworth3 hr

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2026Every severe thunderstorm warning in 2026

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.