Alert archive / Wisconsin / Tornado Warnings in 2026

Tornado Warning 5, NWS Milwaukee, WI

April 14, 2026Columbia County, Dane County, Dodge County, Wisconsin

NWS Milwaukee, WI issued this tornado warning at Apr 14, 2026, 12:27 AM CDT for Columbia County, Dane County, Dodge County, Wisconsin. It was in force for 33 min. 4 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Apr 14, 2026, 12:27 AM CDT (05:27 UTC)
Expired
Apr 14, 2026, 1:00 AM CDT
In force
33 min
Issued by
NWS Milwaukee, WI
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Columbia County, WI, Dane County, WI, Dodge County, WI

The radar

The Milwaukee radar (KMKX), 59 km from the middle of the area, began a volume at 05:28 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.

What was reported inside it

TimeReportWhereRemark
Apr 14, 12:30 AM CDTTSTM WND DMG3 Nw Sun Prairie, WITrained spotter reports numerous trees snapped off 10-15 feet off ground level. Tree fall caused damage to fiber glass roof of a shed.
Apr 14, 12:35 AM CDTTSTM WND DMG7 Ne Sun Prairie, WIBroadcast media reports roof damage at the St. Joseph Church in East Bristol. Time estimated via radar data.
Apr 14, 12:36 AM CDTTSTM WND DMG5 Ssw Columbus, WIPublic report of hollow oak tree 4 ft in diameter snapped at base. Time estimated by radar.
Apr 14, 12:38 AM CDTTSTM WND DMGColumbus, WITwo large trees blown down. A pine tree snapped at 80 feet high. Additional tree branches down in area.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

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

IssuedProductOfficeLasted
Apr 13, 9:42 PM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 5.5 hours before the alert went out and 211 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, Davenport, at 00:00Z on 2026-04-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1474 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Davenport, at 00:00Z on 2026-04-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 246 square meters per square second.19395878Sfc1 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
1474 J/kg
Mixed-layer CIN
-122 J/kg
Mixed-layer LCL
1240 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
246 m²/s²
0-3 km storm-relative helicity
387 m²/s²
Significant tornado parameter
0.8
Supercell composite
19.3

Open this sounding in Storm Lab

The text

As transmitted.

881 
WFUS53 KMKX 140527
TORMKX
WIC021-025-027-140600-
/O.NEW.KMKX.TO.W.0005.260414T0527Z-260414T0600Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Milwaukee/Sullivan WI
1227 AM CDT Tue Apr 14 2026

The National Weather Service in Milwaukee/Sullivan has issued a

* Tornado Warning for...
  Southeastern Columbia County in south central Wisconsin...
  Northeastern Dane County in south central Wisconsin...
  West central Dodge County in southeastern Wisconsin...

* Until 100 AM CDT.

* At 1227 AM CDT, severe thunderstorms capable of producing a tornado
  were located along a line extending from near Deforest to Madison,
  moving east at 50 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.

* These dangerous storms will be near...
  Eastern Madison, Sun Prairie, Windsor, Deforest, Cottage Grove, 
  and Maple Bluff around 1230 AM CDT.
  Columbus and Marshall around 1235 AM CDT.

Other locations impacted by these tornadic storms include
Morrisonville, Deansville, Token Creek, and East Bristol.

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 4337 8895 4307 8907 4311 8950 4330 8936
TIME...MOT...LOC 0527Z 272DEG 42KT 4328 8932 4315 8939 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

KUROSKI
1 follow-up statement
823 
WWUS53 KMKX 140547
SVSMKX

Severe Weather Statement
National Weather Service Milwaukee/Sullivan WI
1247 AM CDT Tue Apr 14 2026

WIC021-025-027-140600-
/O.CON.KMKX.TO.W.0005.000000T0000Z-260414T0600Z/
Columbia WI-Dane WI-Dodge WI-
1247 AM CDT Tue Apr 14 2026

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 100 AM CDT FOR
SOUTHEASTERN COLUMBIA...NORTHEASTERN DANE AND WEST CENTRAL DODGE
COUNTIES...

At 1246 AM CDT, severe thunderstorms capable of producing tornadoes
were located along a line extending from near Columbus to near
Marshall, moving east at 50 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.

These dangerous storms will be near...
  Marshall around 1250 AM CDT.

Other locations impacted by these tornadic storms include Deansville.

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 4337 8895 4307 8907 4308 8918 4335 8908
TIME...MOT...LOC 0546Z 272DEG 42KT 4327 8904 4314 8911 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

GAGAN

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 13, 10:59 PM CDTSpecial Weather StatementMKXGreen Lake, Marquette61 min
Apr 13, 11:06 PM CDTSpecial Weather StatementMKXSauk54 min
Apr 13, 11:20 PM CDTSevere Thunderstorm WarningMKXSauk40 min
Apr 13, 11:31 PM CDTSpecial Weather StatementMKXIowa59 min
Apr 13, 11:41 PM CDTSevere Thunderstorm WarningMKXColumbia, Iowa, Sauk49 min
Apr 13, 11:48 PM CDTSevere Thunderstorm WarningMKXColumbia, Green Lake, Marquette, Sauk42 min
Apr 14, 12:01 AM CDTSpecial Weather StatementMKXSheboygan29 min
Apr 14, 12:02 AM CDTSpecial Weather StatementMKXDane28 min
Apr 14, 12:05 AM CDTSevere Thunderstorm WarningMKXColumbia, Dane, Sauk40 min
Apr 14, 12:10 AM CDTSevere Thunderstorm WarningMKXColumbia, Green Lake, Marquette, Sauk34 min
Apr 14, 12:16 AM CDTSevere Thunderstorm WarningMKXColumbia, Dane, Dodge, Green Lake44 min
Apr 14, 12:22 AM CDTSpecial Marine WarningMKX2 hr
Apr 14, 12:37 AM CDTSevere Thunderstorm WarningMKXDodge, Fond du Lac, Jefferson, Washington, Waukesha53 min
Apr 14, 12:40 AM CDTTornado WarningMKXDodge35 min
Apr 14, 12:51 AM CDTSevere Thunderstorm WarningMKXDane, Rock, Walworth39 min
Apr 14, 12:52 AM CDTTornado WarningMKXDodge38 min
Apr 14, 1:02 AM CDTSpecial Weather StatementMKXColumbia, Dane28 min
Apr 14, 1:06 AM CDTTornado WarningMKXWashington24 min
Apr 14, 1:10 AM CDTSevere Thunderstorm Warning Considerable damage threatMKXFond du Lac, Milwaukee, Ozaukee, Racine, Sheboygan, Walworth and 2 more65 min
Apr 14, 1:11 AM CDTSpecial Marine WarningMKX94 min
Apr 14, 1:11 AM CDTSpecial Weather StatementMKXGreen, Lafayette, Rock49 min
Apr 14, 1:16 AM CDTTornado WarningMKXJefferson, Walworth, Waukesha29 min
Apr 14, 1:27 AM CDTSpecial Weather StatementMKXDodge, Jefferson33 min
Apr 14, 1:30 AM CDTSevere Thunderstorm Warning Considerable damage threatMKXKenosha, Racine, Walworth45 min
Apr 14, 1:32 AM CDTTornado WarningMKXMilwaukee, Racine, Waukesha26 min
Apr 14, 1:38 AM CDTTornado WarningMKXOzaukee, Washington22 min
Apr 14, 1:41 AM CDTSpecial Marine WarningMKX64 min
Apr 14, 1:59 AM CDTSpecial Weather StatementMKXMilwaukee, Ozaukee, Walworth, Washington, Waukesha31 min
Apr 14, 2:13 AM CDTSpecial Weather StatementMKXKenosha, Racine32 min
Apr 14, 2:23 AM CDTAreal Flood AdvisoryMKXFond du Lac, Green Lake, Sheboygan3 hr
Apr 14, 4:17 AM CDTRiver Flood WarningMKXColumbia8 days
Apr 14, 10:42 AM CDTRiver Flood WarningMKXSheboygan66 hr
Apr 14, 12:19 PM CDTRiver Flood WatchMKXColumbia, Sauk35 hr
Apr 14, 12:19 PM CDTRiver Flood WatchMKXKenosha23 hr
Apr 14, 4:08 PM CDTSevere Thunderstorm WarningMKXDane, Iowa52 min
Apr 14, 4:40 PM CDTSevere Thunderstorm Warning Destructive damage threatMKXColumbia, Dane65 min
Apr 14, 4:50 PM CDTSevere Thunderstorm WarningMKXDane, Dodge, Jefferson40 min
Apr 14, 4:52 PM CDTSevere Thunderstorm WarningMKXColumbia, Dane, Dodge53 min
Apr 14, 5:17 PM CDTTornado WarningMKXDane43 min
Apr 14, 5:22 PM CDTSevere Thunderstorm Warning Considerable damage threatMKXSauk53 min
Apr 14, 5:22 PM CDTSevere Thunderstorm Warning Destructive damage threatMKXDodge, Jefferson38 min
Apr 14, 5:27 PM CDTSevere Thunderstorm WarningMKXIowa63 min
Apr 14, 5:35 PM CDTSevere Thunderstorm Warning Destructive damage threatMKXDane40 min
Apr 14, 5:50 PM CDTAreal Flood AdvisoryMKXDane, Dodge, Jefferson3 hr
Apr 14, 5:50 PM CDTTornado WarningMKXIowa40 min
Apr 14, 5:53 PM CDTSevere Thunderstorm Warning Considerable damage threatMKXDodge, Jefferson, Washington, Waukesha82 min
Apr 14, 5:54 PM CDTSevere Thunderstorm WarningMKXGreen Lake, Marquette51 min
Apr 14, 5:56 PM CDTTornado WarningMKXIowa49 min
Apr 14, 5:59 PM CDTTornado WarningMKXJefferson, Washington, Waukesha46 min
Apr 14, 6:02 PM CDTSevere Thunderstorm WarningMKXColumbia, Marquette, Sauk43 min
Apr 14, 6:05 PM CDTTornado WarningMKXColumbia, Marquette, Sauk40 min
Apr 14, 6:10 PM CDTSevere Thunderstorm WarningMKXFond du Lac, Green Lake35 min
Apr 14, 6:11 PM CDTFlash Flood WarningMKXDane, Dodge, Jefferson4 hr
Apr 14, 6:19 PM CDTTornado WarningMKXGreen Lake, Marquette41 min
Apr 14, 6:22 PM CDTSpecial Marine WarningMKX3 hr
Apr 14, 6:27 PM CDTSevere Thunderstorm Warning Considerable damage threatMKXDane63 min
Apr 14, 6:30 PM CDTSevere Thunderstorm WarningMKXIowa, Lafayette60 min
Apr 14, 6:30 PM CDTTornado WarningMKXGreen Lake, Marquette34 min
Apr 14, 6:32 PM CDTTornado WarningMKXDane, Iowa43 min
Apr 14, 6:33 PM CDTTornado WarningMKXMilwaukee26 min
Apr 14, 6:39 PM CDTSevere Thunderstorm WarningMKXIowa51 min
Apr 14, 6:40 PM CDTSevere Thunderstorm Warning Considerable damage threatMKXMilwaukee, Ozaukee50 min
Apr 14, 6:50 PM CDTSevere Thunderstorm WarningMKXDane55 min
Apr 14, 6:52 PM CDTSevere Thunderstorm WarningMKXLafayette53 min
Apr 14, 6:59 PM CDTSevere Thunderstorm WarningMKXGreen46 min

Nearby

Tornado Warnings in Wisconsin, 2026Every tornado warning in 2026Tornadoes 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.