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Home Tornado Warning 0015 Issued by the Milwaukee / Sullivan Forecast Office
Action: New Issued At: 2026-04-14 17:59:31
676
WFUS53 KMKX 142259
TORMKX
WIC055-131-133-142345-
/O.NEW.KMKX.TO.W.0015.260414T2259Z-260414T2345Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Milwaukee/Sullivan WI
559 PM CDT Tue Apr 14 2026
The National Weather Service in Milwaukee/Sullivan has issued a
* Tornado Warning for...
Northern Waukesha County in southeastern Wisconsin...
Southern Washington County in southeastern Wisconsin...
Northeastern Jefferson County in southeastern Wisconsin...
* Until 645 PM CDT.
* At 559 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Lac La Belle, or near Okauchee Lake, moving east
at 40 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* This dangerous storm will be near...
Pewaukee, Hartland, Delafield, Okauchee Lake, Oconomowoc, and
Merton around 605 PM CDT.
Waukesha, Sussex, and Lisbon around 610 PM CDT.
Brookfield, Menomonee Falls, Germantown, Lannon, and Brookfield
around 615 PM CDT.
Elm Grove and Butler around 625 PM CDT.
Other locations impacted by this tornadic thunderstorm include
Colgate, Ixonia, Chenequa, Mapleton, Stone Bank, Summit, North Lake,
Pipersville, Oconomowoc Lake, and Nashotah.
Other landmarks included are the following Location Pewaukee Lake.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4304 8867 4317 8868 4320 8849 4320 8842
4321 8841 4326 8806 4301 8807
TIME...MOT...LOC 2259Z 267DEG 34KT 4312 8854
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
PATTERSON
Action: Continued Issued At: 2026-04-14 18:11:31
040
WWUS53 KMKX 142311
SVSMKX
Severe Weather Statement
National Weather Service Milwaukee/Sullivan WI
611 PM CDT Tue Apr 14 2026
WIC055-142320-
/O.CAN.KMKX.TO.W.0015.000000T0000Z-260414T2345Z/
Jefferson WI-
611 PM CDT Tue Apr 14 2026
...THE TORNADO WARNING FOR NORTHEASTERN JEFFERSON COUNTY IS
CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the tornado warning has been
cancelled.
A Tornado Watch remains in effect until 1000 PM CDT for southeastern
Wisconsin.
&&
LAT...LON 4301 8807 4303 8854 4319 8853 4320 8850
4320 8842 4321 8841 4326 8806
TIME...MOT...LOC 2310Z 267DEG 34KT 4313 8839
$$
WIC131-133-142345-
/O.CON.KMKX.TO.W.0015.000000T0000Z-260414T2345Z/
Waukesha WI-Washington WI-
611 PM CDT Tue Apr 14 2026
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 645 PM CDT FOR NORTHERN
WAUKESHA AND SOUTHERN WASHINGTON COUNTIES...
At 610 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Okauchee Lake, moving east at 40 mph.
HAZARD...Tornado and ping pong ball size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This dangerous storm will be near...
Waukesha, Brookfield, Menomonee Falls, Pewaukee, Sussex, Hartland,
Delafield, Germantown, Lisbon, and Merton around 615 PM CDT.
Mequon, Elm Grove, and Butler around 625 PM CDT.
Other locations impacted by this tornadic thunderstorm include
Oconomowoc Lake, Colgate, Nashotah, Chenequa, Mapleton, Monches,
Stone Bank, Lapham Peak St Park, Summit, and Monterey.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4301 8807 4303 8854 4319 8853 4320 8850
4320 8842 4321 8841 4326 8806
TIME...MOT...LOC 2310Z 267DEG 34KT 4313 8839
TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.50 IN
$$
PATTERSON
Action: Cancelled Issued At: 2026-04-14 18:11:31
040
WWUS53 KMKX 142311
SVSMKX
Severe Weather Statement
National Weather Service Milwaukee/Sullivan WI
611 PM CDT Tue Apr 14 2026
WIC055-142320-
/O.CAN.KMKX.TO.W.0015.000000T0000Z-260414T2345Z/
Jefferson WI-
611 PM CDT Tue Apr 14 2026
...THE TORNADO WARNING FOR NORTHEASTERN JEFFERSON COUNTY IS
CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the tornado warning has been
cancelled.
A Tornado Watch remains in effect until 1000 PM CDT for southeastern
Wisconsin.
&&
LAT...LON 4301 8807 4303 8854 4319 8853 4320 8850
4320 8842 4321 8841 4326 8806
TIME...MOT...LOC 2310Z 267DEG 34KT 4313 8839
$$
WIC131-133-142345-
/O.CON.KMKX.TO.W.0015.000000T0000Z-260414T2345Z/
Waukesha WI-Washington WI-
611 PM CDT Tue Apr 14 2026
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 645 PM CDT FOR NORTHERN
WAUKESHA AND SOUTHERN WASHINGTON COUNTIES...
At 610 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Okauchee Lake, moving east at 40 mph.
HAZARD...Tornado and ping pong ball size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This dangerous storm will be near...
Waukesha, Brookfield, Menomonee Falls, Pewaukee, Sussex, Hartland,
Delafield, Germantown, Lisbon, and Merton around 615 PM CDT.
Mequon, Elm Grove, and Butler around 625 PM CDT.
Other locations impacted by this tornadic thunderstorm include
Oconomowoc Lake, Colgate, Nashotah, Chenequa, Mapleton, Monches,
Stone Bank, Lapham Peak St Park, Summit, and Monterey.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4301 8807 4303 8854 4319 8853 4320 8850
4320 8842 4321 8841 4326 8806
TIME...MOT...LOC 2310Z 267DEG 34KT 4313 8839
TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.50 IN
$$
PATTERSON
Action: Continued Issued At: 2026-04-14 18:22:32
430
WWUS53 KMKX 142322
SVSMKX
Severe Weather Statement
National Weather Service Milwaukee/Sullivan WI
622 PM CDT Tue Apr 14 2026
WIC131-133-142345-
/O.CON.KMKX.TO.W.0015.000000T0000Z-260414T2345Z/
Waukesha WI-Washington WI-
622 PM CDT Tue Apr 14 2026
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 645 PM CDT FOR NORTHERN
WAUKESHA AND SOUTHERN WASHINGTON COUNTIES...
At 621 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Lisbon, or over Sussex, moving east at 35 mph.
HAZARD...Tornado and ping pong ball size hail.
SOURCE...Trained weather spotter reports a wall cloud near Hartland.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This dangerous storm will be near...
Waukesha, Brookfield, Menomonee Falls, Mequon, Pewaukee, Sussex,
Elm Grove, Germantown, Lisbon, and Butler around 625 PM CDT.
Other locations impacted by this tornadic thunderstorm include
Oconomowoc Lake, Colgate, Nashotah, Chenequa, Mapleton, Monches,
Stone Bank, Lapham Peak St Park, Summit, and Hubertus.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4301 8807 4303 8848 4320 8850 4320 8842
4321 8841 4326 8806
TIME...MOT...LOC 2321Z 266DEG 32KT 4314 8827
TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.50 IN
$$
PATTERSON
Action: Continued Issued At: 2026-04-14 18:28:32
743
WWUS53 KMKX 142328
SVSMKX
Severe Weather Statement
National Weather Service Milwaukee/Sullivan WI
628 PM CDT Tue Apr 14 2026
WIC131-133-142345-
/O.CON.KMKX.TO.W.0015.000000T0000Z-260414T2345Z/
Waukesha WI-Washington WI-
628 PM CDT Tue Apr 14 2026
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 645 PM CDT FOR
NORTHEASTERN WAUKESHA AND SOUTHERN WASHINGTON COUNTIES...
At 628 PM CDT, a confirmed tornado was located over Sussex, moving
east at 35 mph.
HAZARD...Damaging tornado and ping pong ball size hail.
SOURCE...Radar confirmed tornado in Sussex.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This tornado will be near...
Brookfield, Menomonee Falls, Mequon, Elm Grove, Germantown,
Butler, and Lannon around 635 PM CDT.
Other locations impacted by this tornadic thunderstorm include
Colgate, Nashotah, Chenequa, Monches, Stone Bank, Hubertus, and North
Lake.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
To repeat, a tornado is on the ground. TAKE COVER NOW! Move to a
basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.
&&
LAT...LON 4301 8807 4306 8840 4320 8842 4321 8841
4326 8806
TIME...MOT...LOC 2328Z 265DEG 32KT 4315 8821
TORNADO...OBSERVED
MAX HAIL SIZE...1.50 IN
$$
PATTERSON
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