Alert archive / Wisconsin / Tornado Warnings in 2026

Tornado Warning 35, NWS La Crosse, WI

April 17, 2026Clark County, Wisconsin

NWS La Crosse, WI issued this tornado warning at Apr 17, 2026, 5:13 PM CDT for Clark County, Wisconsin. It was in force for 33 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Apr 17, 2026, 5:13 PM CDT (22:13 UTC)
Expired
Apr 17, 2026, 5:46 PM CDT
In force
33 min
Issued by
NWS La Crosse, WI
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

County Clark County, WI

The radar

The La Crosse radar (KARX), 88 km from the middle of the area, began a volume at 22:12 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
Apr 17, 9:23 AM CDTSevere Thunderstorm WatchSPC11 hr
Apr 17, 12:40 PM CDTTornado WatchSPC9 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 10.2 hours before the alert went out and 247 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, Minneapolis, MN at 12:00Z on 2026-04-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 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, Minneapolis, MN at 12:00Z on 2026-04-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 188 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
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2301 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
188 m²/s²
0-3 km storm-relative helicity
229 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

712 
WFUS53 KARX 172213
TORARX
WIC019-172300-
/O.NEW.KARX.TO.W.0035.260417T2213Z-260417T2300Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service La Crosse WI
513 PM CDT Fri Apr 17 2026

The National Weather Service in La Crosse has issued a

* Tornado Warning for...
  Southeastern Clark County in central Wisconsin...

* Until 600 PM CDT.

* At 513 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Shortville, or 7 miles south of Neillsville,
  moving northeast at 25 mph.

  HAZARD...Tornado and quarter 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...
  Shortville around 520 PM CDT.

Other locations impacted by this tornadic thunderstorm include
Ballard Road And Pray Avenue, The Cunningham Airfield, and Nevins.

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.

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

&&

LAT...LON 4442 9062 4442 9063 4447 9066 4460 9032
      4443 9032
TIME...MOT...LOC 2213Z 246DEG 21KT 4446 9055 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

Skow
3 follow-up statements
168 
WWUS53 KARX 172221
SVSARX

Severe Weather Statement
National Weather Service La Crosse WI
521 PM CDT Fri Apr 17 2026

WIC019-172300-
/O.CON.KARX.TO.W.0035.000000T0000Z-260417T2300Z/
Clark WI-
521 PM CDT Fri Apr 17 2026

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 600 PM CDT FOR
SOUTHEASTERN CLARK COUNTY...

At 521 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Shortville, or 7 miles southeast of Neillsville,
moving northeast at 25 mph.

HAZARD...Tornado and quarter 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 tornadic thunderstorm will remain over mainly rural areas of
southeastern Clark County, including the following locations...
Ballard Road And Pray Avenue, The Cunningham Airfield, and Nevins.

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.

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

&&

LAT...LON 4444 9050 4451 9055 4460 9032 4446 9032
TIME...MOT...LOC 2221Z 244DEG 22KT 4449 9047 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

Skow
930 
WWUS53 KARX 172228
SVSARX

Severe Weather Statement
National Weather Service La Crosse WI
528 PM CDT Fri Apr 17 2026

WIC019-172300-
/O.CON.KARX.TO.W.0035.000000T0000Z-260417T2300Z/
Clark WI-
528 PM CDT Fri Apr 17 2026

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 600 PM CDT FOR
SOUTHEASTERN CLARK COUNTY...

At 528 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Shortville, or 9 miles east of Neillsville, moving
northeast at 35 mph.

HAZARD...Tornado and quarter 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.

Locations impacted include...
The Cunningham Airfield and Nevins.

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.

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

&&

LAT...LON 4447 9041 4454 9048 4460 9032 4449 9032
TIME...MOT...LOC 2228Z 236DEG 30KT 4453 9040 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

Skow
320 
WWUS53 KARX 172246
SVSARX

Severe Weather Statement
National Weather Service La Crosse WI
546 PM CDT Fri Apr 17 2026

WIC019-172255-
/O.CAN.KARX.TO.W.0035.000000T0000Z-260417T2300Z/
Clark WI-
546 PM CDT Fri Apr 17 2026

...THE TORNADO WARNING FOR SOUTHEASTERN CLARK COUNTY IS CANCELLED...

The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 800 PM CDT for central
Wisconsin.

&&

LAT...LON 4447 9041 4454 9048 4460 9032 4449 9032
TIME...MOT...LOC 2244Z 246DEG 21KT 4457 9027 

$$

Skow

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 17, 11:06 AM CDTRiver Flood WarningARXCrawford22 hr
Apr 17, 1:23 PM CDTSpecial Weather StatementARXGrant37 min
Apr 17, 2:03 PM CDTSpecial Weather StatementARXGrant, Richland27 min
Apr 17, 2:36 PM CDTSevere Thunderstorm WarningARXClark, Taylor39 min
Apr 17, 2:41 PM CDTSevere Thunderstorm WarningARXRichland36 min
Apr 17, 2:45 PM CDTSevere Thunderstorm WarningARXClark, Jackson30 min
Apr 17, 2:50 PM CDTTornado WarningARXTaylor40 min
Apr 17, 2:57 PM CDTTornado WarningARXRichland18 min
Apr 17, 2:58 PM CDTTornado WarningARXClark, Jackson35 min
Apr 17, 3:07 PM CDTTornado WarningARXBuffalo, Trempealeau38 min
Apr 17, 3:10 PM CDTSevere Thunderstorm Warning Considerable damage threatARXAdams, Jackson, Juneau, Monroe50 min
Apr 17, 3:39 PM CDTTornado Warning Tornado observedConsiderable damage threatARXBuffalo, Trempealeau51 min
Apr 17, 3:41 PM CDTTornado WarningARXBuffalo, Trempealeau49 min
Apr 17, 3:48 PM CDTTornado WarningARXCrawford, Vernon42 min
Apr 17, 4:05 PM CDTTornado WarningARXJackson, Trempealeau40 min
Apr 17, 4:07 PM CDTTornado WarningARXGrant38 min
Apr 17, 4:09 PM CDTTornado WarningARXJackson, Trempealeau51 min
Apr 17, 4:30 PM CDTTornado Warning Tornado observedARXClark27 min
Apr 17, 4:35 PM CDTTornado WarningARXClark, Jackson40 min
Apr 17, 4:54 PM CDTTornado WarningARXAdams, Juneau18 min
Apr 17, 4:58 PM CDTSpecial Weather StatementARXGrant32 min
Apr 17, 5:24 PM CDTSevere Thunderstorm WarningARXClark, Jackson51 min
Apr 17, 5:30 PM CDTSevere Thunderstorm WarningARXGrant28 min
Apr 17, 5:37 PM CDTSevere Thunderstorm WarningARXJackson, Monroe38 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.