Alert archive / Iowa / Tornado Warnings in 2026

Tornado Warning 49, NWS La Crosse, WI

July 1, 2026Howard County, Iowa; Fillmore County, Minnesota

NWS La Crosse, WI issued this tornado warning at Jul 1, 2026, 9:00 PM CDT for Howard County, Iowa; Fillmore County, Minnesota. It was in force for 15 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
Jul 1, 2026, 9:00 PM CDT (02:00 UTC)
Expired
Jul 1, 2026, 9:15 PM CDT
In force
15 min
Issued by
NWS La Crosse, WI
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Howard County, IA, Fillmore County, MN

The radar

The La Crosse radar (KARX), 97 km from the middle of the area, began a volume at 01:59 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
Jul 1, 6:51 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 2.0 hours before the alert went out and 184 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 00:00Z on 2026-07-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 850 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 00:00Z on 2026-07-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 66 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
850 J/kg
Mixed-layer CIN
-52 J/kg
Mixed-layer LCL
1123 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
66 m²/s²
0-3 km storm-relative helicity
135 m²/s²
Significant tornado parameter
0.3
Supercell composite
2.7

Open this sounding in Storm Lab

The text

As transmitted.

540 
WFUS53 KARX 020200
TORARX
IAC089-MNC045-020215-
/O.NEW.KARX.TO.W.0049.260702T0200Z-260702T0215Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service La Crosse WI
900 PM CDT Wed Jul 1 2026

The National Weather Service in La Crosse has issued a

* Tornado Warning for...
  North central Howard County in northeastern Iowa...
  Southwestern Fillmore County in southeastern Minnesota...

* Until 915 PM CDT.

* At 859 PM CDT, a severe thunderstorm capable of producing a tornado
  was located over Lime Springs, or 12 miles northwest of Cresco,
  moving northeast at 15 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Expect damage to mobile homes, roofs, and vehicles.

* This tornadic thunderstorm will remain over mainly rural areas of
  north central Howard and southwestern Fillmore Counties, including
  the following locations... Chester and York.

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 4343 9234 4349 9241 4358 9229 4351 9212
TIME...MOT...LOC 0159Z 226DEG 15KT 4348 9232 

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

$$

Naylor

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 1, 7:22 PM CDTSpecial Weather StatementARXMitchell38 min
Jul 1, 7:32 PM CDTSevere Thunderstorm WarningARXHoward, Mitchell43 min
Jul 1, 10:17 PM CDTAreal Flood AdvisoryARXHoward, Winneshiek3 hr
Jul 2, 8:07 AM CDTFlood WatchARXAllamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more36 hr
Jul 2, 9:11 AM CDTAreal Flood WarningARXAllamakee, Winneshiek6 hr
Jul 2, 10:42 AM CDTSpecial Weather StatementARXMitchell33 min
Jul 2, 10:50 AM CDTAreal Flood WarningARXAllamakee9 hr
Jul 2, 12:31 PM CDTSevere Thunderstorm WarningARXFloyd59 min
Jul 2, 1:08 PM CDTSevere Thunderstorm WarningARXChickasaw, Fayette, Howard, Winneshiek67 min
Jul 2, 1:26 PM CDTTornado WarningARXHoward, Winneshiek34 min
Jul 2, 1:47 PM CDTTornado WarningARXFayette43 min
Jul 2, 2:00 PM CDTTornado WarningARXFayette30 min
Jul 2, 2:11 PM CDTRiver Flood WarningARXFloyd71 hr
Jul 2, 2:17 PM CDTTornado WarningARXClayton43 min
Jul 2, 2:40 PM CDTRiver Flood WarningARXWinneshiek42 hr
Jul 2, 2:40 PM CDTRiver Flood WarningARXAllamakee71 hr
Jul 2, 2:47 PM CDTTornado WarningARXClayton43 min
Jul 2, 3:13 PM CDTSevere Thunderstorm WarningARXClayton, Fayette62 min
Jul 1, 7:55 PM CDTSevere Thunderstorm WarningARXFillmore, Olmsted, Wabasha, Winona31 min
Jul 2, 2:03 AM CDTAreal Flood AdvisoryARXFillmore, Houston, Mower, Winona6 hr
Jul 2, 4:23 AM CDTFlash Flood WarningARXFillmore, Houston, Mower3 hr
Jul 2, 5:59 AM CDTFlash Flood WarningARXHouston2 hr
Jul 2, 9:07 AM CDTSpecial Weather StatementARXDodge, Mower23 min
Jul 2, 9:22 AM CDTFlash Flood WarningARXFillmore, Houston7 hr
Jul 2, 11:13 AM CDTAreal Flood WarningARXFillmore12 hr
Jul 2, 11:46 AM CDTRiver Flood WarningARXMower29 hr
Jul 2, 1:47 PM CDTFlash Flood WarningARXFillmore110 min
Jul 2, 2:35 PM CDTRiver Flood WarningARXFillmore, Houston22 hr
Jul 2, 3:37 PM CDTAreal Flood WarningARXFillmore7 hr
Jul 2, 4:03 PM CDTAreal Flood WarningARXFillmore, Houston3 hr

Nearby

Tornado Warnings in Iowa, 2026Tornado Warnings in Minnesota, 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.