Alert archive / Iowa / Severe Thunderstorm Warnings in 2026
Severe Thunderstorm Warning 148, NWS La Crosse, WI
NWS La Crosse, WI issued this severe thunderstorm warning at Jul 2, 2026, 12:31 PM CDT for Floyd County, Iowa. It was in force for 59 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
- Jul 2, 2026, 12:31 PM CDT (17:31 UTC)
- Expired
- Jul 2, 2026, 1:30 PM CDT
- In force
- 59 min
- Issued by
- NWS La Crosse, WI
- Area
- Storm-based polygon
- Hail
- 1.5 in
- Wind
- 60.0 mph
County Floyd County, IA
The radar
The La Crosse radar (KARX), 154 km from the middle of the area, began a volume at 17:33 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 nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 5.5 hours before the alert went out and 209 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.
- Mixed-layer CAPE
- 152 J/kg
- Mixed-layer CIN
- -173 J/kg
- Mixed-layer LCL
- 1469 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- -28 m²/s²
- 0-3 km storm-relative helicity
- 38 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -1.0
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 La Crosse, WI wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 2, 9:45 AM CDT, 2 hours 46 minutes earlier.
Area forecast discussion, Jul 2, 9:45 AM CDT, 2 hours 46 minutes before
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</html>Hazardous weather outlook, Jul 2, 11:13 AM CDT, 1 hour 18 minutes before
Hazardous Weather Outlook National Weather Service La Crosse WI 1113 AM CDT Thu Jul 2 2026 IAZ008>011-018-019-029-030-MNZ079-086>088-094>096-WIZ017-029- 032>034-041>044-053>055-061-032015- Mitchell-Howard-Winneshiek-Allamakee-Floyd-Chickasaw-Fayette- Clayton-Wabasha-Dodge-Olmsted-Winona-Mower-Fillmore-Houston- Taylor-Clark-Buffalo-Trempealeau-Jackson-La Crosse-Monroe-Juneau- Adams-Vernon-Crawford-Richland-Grant- 1113 AM CDT Thu Jul 2 2026 This Hazardous Weather Outlook is for portions of southeast Minnesota...northeast Iowa and southwest into central Wisconsin. .DAY ONE...Today and Tonight Periodic storms will occur through tonight. Some of the storms may become severe this afternoon and tonight. The main threats will be damaging winds, hail, and potentially a tornado. Elevated water levels are present across much of the area and additional moderate to heavy rain will accompany any thunderstorms. Additional flooding and water rises are possible today and tonight. .DAYS TWO THROUGH SEVEN...Friday through Wednesday Periodic thunderstorms will occur Friday and Saturday. Some of these may become severe, especially storms early Friday morning. Elevated water levels are present across much of the area and additional moderate to heavy rain will accompany any thunderstorms that occur through Friday and Saturday. Additional flooding and water rises are possible Friday and Saturday. .SPOTTER INFORMATION STATEMENT... Spotters may be needed periodically into the weekend. .EMERGENCY MANAGEMENT COORDINATION... A webinar is scheduled for this afternoon at 2 PM. APF
In the hours before
Local storm report, Jul 2, 10:27 AM CDT, 2 hours 4 minutes before
Preliminary Local Storm Report
National Weather Service La Crosse WI
1027 AM CDT Thu Jul 2 2026
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0700 AM Flash Flood 3 NNE Mabel 43.56N 91.75W
07/02/2026 Fillmore MN Law Enforcement
Delayed report from law enforcement of water
over roadway on County Rd 29 North of Mabel.
Time of flood estimated using radar derived
data.
&&
JAWSpecial weather statement, Jul 2, 10:42 AM CDT, 1 hour 49 minutes before
Special Weather Statement
National Weather Service La Crosse WI
1042 AM CDT Thu Jul 2 2026
IAZ008-021615-
Mitchell IA-
1042 AM CDT Thu Jul 2 2026
...A STRONG THUNDERSTORM WILL IMPACT CENTRAL MITCHELL COUNTY THROUGH
1115 AM CDT...
At 1042 AM CDT, Doppler radar was tracking a strong thunderstorm near
Osage, moving northeast at 30 mph.
HAZARD...Wind gusts up to 50 mph and penny 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.
This strong thunderstorm will be near...
Stacyville around 1050 AM CDT.
Other locations impacted by this storm include Meyer, Osage Spring
Park, Mitchell, County Roads T 54 And A 31, Pioneer State Park,
McIntire, Highway 218 And County T 40, Little Cedar, Bailey, and
Highway 18 And County T 38.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.
&&
LAT...LON 4350 9274 4350 9262 4345 9255 4339 9255
4325 9288 4332 9295
TIME...MOT...LOC 1542Z 232DEG 27KT 4334 9283
MAX HAIL SIZE...0.75 IN
MAX WIND GUST...50 MPH
FergusonLocal storm report, Jul 2, 11:03 AM CDT, 1 hour 28 minutes before
Preliminary Local Storm Report
National Weather Service La Crosse WI
1103 AM CDT Thu Jul 2 2026
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0302 AM Flood 2 ESE Brice Prairie 43.93N 91.26W
07/02/2026 La Crosse WI Law Enforcement
Delayed report. Flooding over roadway
affecting a commonly flooded low lying area
in Midway.
&&
JAWLocal storm report, Jul 2, 11:05 AM CDT, 1 hour 26 minutes before
Preliminary Local Storm Report
National Weather Service La Crosse WI
1105 AM CDT Thu Jul 2 2026
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0504 AM Flood 6 SSE La Crosse 43.75N 91.19W
07/02/2026 La Crosse WI Law Enforcement
Delayed report: Water over roadway of Old
Town Hall Road. Time of flooding unknown.
&&
JAWLocal storm report, Jul 2, 11:06 AM CDT, 1 hour 25 minutes before
Preliminary Local Storm Report
National Weather Service La Crosse WI
1106 AM CDT Thu Jul 2 2026
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0405 AM Flood Rockland 43.91N 90.93W
07/02/2026 La Crosse WI Public
Delayed report: Water over roadway of CTH U
near Rockland. Time estimated. Water has
receded.
&&
JAWLocal storm report, Jul 2, 11:10 AM CDT, 1 hour 21 minutes before
Preliminary Local Storm Report
National Weather Service La Crosse WI
1110 AM CDT Thu Jul 2 2026
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0609 AM Flood 5 SSE La Crosse 43.76N 91.21W
07/02/2026 La Crosse WI Law Enforcement
Delayed report of flood debris impacting
railroad. Time estimated.
&&
JAWThe office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 1, 10:01 PM CDT | Areal Flood Advisory | ARX | Adams, Jackson, Juneau, Monroe | 3 hr |
| Jul 1, 10:21 PM CDT | Severe Thunderstorm Warning | ARX | Juneau, Monroe, Vernon | 39 min |
| Jul 1, 10:57 PM CDT | Severe Thunderstorm Warning | ARX | Adams, Juneau | 48 min |
| Jul 1, 10:58 PM CDT | Tornado Warning | ARX | Adams, Juneau | 32 min |
| Jul 1, 11:30 PM CDT | Flash Flood Warning | ARX | Adams | 3 hr |
| Jul 2, 2:03 AM CDT | Areal Flood Advisory | ARX | La Crosse, Monroe, Vernon | 6 hr |
| Jul 2, 8:07 AM CDT | Flood Watch | ARX | Crawford, Grant, La Crosse, Monroe, Richland, Vernon | 36 hr |
| Jul 2, 8:15 AM CDT | River Flood Warning | ARX | Monroe, Vernon | 7 hr |
| Jul 2, 8:56 AM CDT | River Flood Warning | ARX | Richland, Vernon | 33 hr |
| Jul 2, 8:56 AM CDT | River Flood Warning | ARX | Richland, Vernon | 3 days |
| Jul 2, 8:56 AM CDT | River Flood Warning | ARX | Vernon | 3 days |
| Jul 2, 8:57 AM CDT | River Flood Warning | ARX | Crawford | 5 days |
| Jul 2, 9:00 AM CDT | River Flood Warning | ARX | Crawford | 4 days |
| Jul 2, 11:16 AM CDT | Areal Flood Warning | ARX | La Crosse, Monroe | 12 hr |
| Jul 2, 12:34 PM CDT | River Flood Watch | ARX | Crawford | 7 hr |
| Jul 2, 2:47 PM CDT | Tornado Warning | ARX | Grant | 43 min |
| Jul 2, 3:13 PM CDT | Severe Thunderstorm Warning | ARX | Grant | 62 min |
| Jul 2, 3:15 PM CDT | Areal Flood Warning | ARX | Vernon | 5 hr |
| Jul 2, 3:19 PM CDT | Severe Thunderstorm Warning | ARX | Grant | 56 min |
| Jul 2, 4:08 PM CDT | Severe Thunderstorm Warning | ARX | Grant | 42 min |
| Jul 2, 4:21 PM CDT | Severe Thunderstorm Warning | ARX | Richland | 24 min |
| Jul 1, 7:22 PM CDT | Special Weather Statement | ARX | Mitchell | 38 min |
| Jul 1, 7:32 PM CDT | Severe Thunderstorm Warning | ARX | Howard, Mitchell | 43 min |
| Jul 1, 9:00 PM CDT | Tornado Warning | ARX | Howard | 15 min |
| Jul 1, 10:17 PM CDT | Areal Flood Advisory | ARX | Howard, Winneshiek | 3 hr |
| Jul 2, 9:11 AM CDT | Areal Flood Warning | ARX | Allamakee, Winneshiek | 6 hr |
| Jul 2, 10:42 AM CDT | Special Weather Statement | ARX | Mitchell | 33 min |
| Jul 2, 10:50 AM CDT | Areal Flood Warning | ARX | Allamakee | 9 hr |
| Jul 2, 1:08 PM CDT | Severe Thunderstorm Warning | ARX | Chickasaw, Fayette, Howard, Winneshiek | 67 min |
| Jul 2, 1:26 PM CDT | Tornado Warning | ARX | Howard, Winneshiek | 34 min |
| Jul 2, 1:47 PM CDT | Tornado Warning | ARX | Fayette | 43 min |
| Jul 2, 2:00 PM CDT | Tornado Warning | ARX | Fayette | 30 min |
| Jul 2, 2:11 PM CDT | River Flood Warning | ARX | Floyd | 71 hr |
| Jul 2, 2:17 PM CDT | Tornado Warning | ARX | Clayton | 43 min |
| Jul 2, 2:40 PM CDT | River Flood Warning | ARX | Winneshiek | 42 hr |
| Jul 2, 2:40 PM CDT | River Flood Warning | ARX | Allamakee | 71 hr |
| Jul 1, 7:55 PM CDT | Severe Thunderstorm Warning | ARX | Fillmore, Olmsted, Wabasha, Winona | 31 min |
| Jul 2, 4:23 AM CDT | Flash Flood Warning | ARX | Fillmore, Houston, Mower | 3 hr |
| Jul 2, 5:59 AM CDT | Flash Flood Warning | ARX | Houston | 2 hr |
| Jul 2, 9:07 AM CDT | Special Weather Statement | ARX | Dodge, Mower | 23 min |
| Jul 2, 9:22 AM CDT | Flash Flood Warning | ARX | Fillmore, Houston | 7 hr |
| Jul 2, 11:13 AM CDT | Areal Flood Warning | ARX | Fillmore | 12 hr |
| Jul 2, 11:46 AM CDT | River Flood Warning | ARX | Mower | 29 hr |
| Jul 2, 1:47 PM CDT | Flash Flood Warning | ARX | Fillmore | 110 min |
| Jul 2, 2:35 PM CDT | River Flood Warning | ARX | Fillmore, Houston | 22 hr |
| Jul 2, 3:37 PM CDT | Areal Flood Warning | ARX | Fillmore | 7 hr |
| Jul 2, 4:03 PM CDT | Areal Flood Warning | ARX | Fillmore, Houston | 3 hr |
Nearby
Severe Thunderstorm Warnings in Iowa, 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.