Alert archive / Iowa / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 95, NWS La Crosse, WI

June 10, 2026Grant County, Wisconsin; Clayton County, Fayette County, Iowa

NWS La Crosse, WI issued this severe thunderstorm warning at Jun 10, 2026, 12:28 PM CDT for Grant County, Wisconsin; Clayton County, Fayette County, Iowa. It was in force for 62 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: Jun 10, 2026, 12:28 PM CDT (17:28 UTC)
Expired: Jun 10, 2026, 1:30 PM CDT
In force: 62 min
Issued by: NWS La Crosse, WI
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Clayton County, IA, Fayette County, IA, Grant County, WI

The radar

The La Crosse radar (KARX), 108 km from the middle of the area, began a volume at 17:31 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.

Issued	Product	Office	Lasted
Jun 10, 12:00 PM CDT	Severe Thunderstorm Watch	SPC	9 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 5.5 hours before the alert went out and 288 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 41 J/kg
Mixed-layer CIN: -387 J/kg
Mixed-layer LCL: 1362 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 152 m²/s²
0-3 km storm-relative helicity: 170 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

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 Jun 10, 7:23 AM CDT, 5 hours 5 minutes earlier.

Area forecast discussion, Jun 10, 7:23 AM CDT, 5 hours 5 minutes before

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Hazardous weather outlook, Jun 10, 3:17 AM CDT, 9 hours 11 minutes before

Hazardous Weather Outlook
National Weather Service La Crosse WI
317 AM CDT Wed Jun 10 2026

IAZ008>011-018-019-029-030-MNZ079-086>088-094>096-WIZ017-029-
032>034-041>044-053>055-061-111230-
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-
317 AM CDT Wed Jun 10 2026

This Hazardous Weather Outlook is for portions of southeast
Minnesota...northeast Iowa and southwest into central Wisconsin.

.DAY ONE...Today and Tonight

Strong storms are possible through early this morning, with strong
wind gusts being the main threat.

Severe weather is likely across the region this afternoon and
evening. Very large hail, damaging winds in excess of 75 mph, and
multiple tornadoes will be the main threats. Locally heavy rain
will also a hazard.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

Depending on how storms evolve on Wednesday afternoon, there
there could be a risk for severe weather over northeast Iowa and
southwest Wisconsin early Thursday afternoon.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will be needed this afternoon and evening.

.EMERGENCY MANAGEMENT COORDINATION...

A webinar is scheduled for 11 am this morning covering the risk
for severe thunderstorms.

Barendse

In the hours before

Local storm report, Jun 10, 7:24 AM CDT, 5 hours 4 minutes before

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Local storm report, Jun 10, 7:25 AM CDT, 5 hours 3 minutes before

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Special weather statement, Jun 10, 7:34 AM CDT, 4 hours 54 minutes before

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Local storm report, Jun 10, 7:45 AM CDT, 4 hours 43 minutes before

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Local storm report, Jun 10, 7:48 AM CDT, 4 hours 40 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 10, 4:58 AM CDT	Special Weather Statement	ARX	Buffalo	32 min
Jun 10, 5:13 AM CDT	Severe Thunderstorm Warning	ARX	Buffalo, Trempealeau	32 min
Jun 10, 5:31 AM CDT	Special Weather Statement	ARX	Taylor	44 min
Jun 10, 5:48 AM CDT	Severe Thunderstorm Warning	ARX	Buffalo, Clark, Jackson, Trempealeau	42 min
Jun 10, 6:07 AM CDT	Severe Thunderstorm Warning	ARX	Clark, Taylor	38 min
Jun 10, 6:14 AM CDT	Special Weather Statement	ARX	Jackson	31 min
Jun 10, 6:21 AM CDT	Severe Thunderstorm Warning	ARX	Clark, Jackson	24 min
Jun 10, 6:42 AM CDT	Severe Thunderstorm Warning	ARX	Clark, Jackson, Taylor	33 min
Jun 10, 7:08 AM CDT	Severe Thunderstorm Warning	ARX	Taylor	22 min
Jun 10, 7:34 AM CDT	Special Weather Statement	ARX	Clark	26 min
Jun 10, 7:40 AM CDT	Severe Thunderstorm Warning	ARX	Clark	20 min
Jun 10, 12:30 PM CDT	Special Weather Statement	ARX	Buffalo	30 min
Jun 10, 12:57 PM CDT	Special Weather Statement	ARX	Buffalo, Trempealeau	33 min
Jun 10, 12:57 PM CDT	Severe Thunderstorm Warning Considerable damage threat	ARX	Grant, Richland	78 min
Jun 10, 1:23 PM CDT	Severe Thunderstorm Warning Destructive damage threat	ARX	Grant, Richland	37 min
Jun 10, 1:24 PM CDT	Severe Thunderstorm Warning	ARX	Jackson, Trempealeau	36 min
Jun 10, 1:44 PM CDT	Severe Thunderstorm Warning	ARX	Jackson, Trempealeau	61 min
Jun 10, 1:50 PM CDT	Severe Thunderstorm Warning	ARX	Clark, Jackson	55 min
Jun 10, 1:56 PM CDT	Severe Thunderstorm Warning Considerable damage threat	ARX	Richland	45 min
Jun 10, 2:08 PM CDT	Severe Thunderstorm Warning Considerable damage threat	ARX	Clark, Jackson, Taylor	67 min
Jun 10, 2:19 PM CDT	Severe Thunderstorm Warning	ARX	Adams, Juneau	41 min
Jun 10, 2:58 PM CDT	Severe Thunderstorm Warning	ARX	Adams, Juneau	47 min
Jun 10, 4:37 PM CDT	Severe Thunderstorm Warning	ARX	Buffalo	53 min
Jun 10, 5:05 PM CDT	Severe Thunderstorm Warning	ARX	Buffalo	55 min
Jun 10, 5:36 PM CDT	Severe Thunderstorm Warning	ARX	Buffalo, Trempealeau	39 min
Jun 10, 5:46 PM CDT	Tornado Warning	ARX	Buffalo, Trempealeau	9 min
Jun 10, 5:51 PM CDT	Severe Thunderstorm Warning	ARX	Buffalo, Trempealeau	39 min
Jun 10, 6:10 PM CDT	Severe Thunderstorm Warning	ARX	La Crosse, Trempealeau	50 min
Jun 10, 6:22 PM CDT	Severe Thunderstorm Warning	ARX	Jackson, Trempealeau	21 min
Jun 10, 12:44 PM CDT	Special Weather Statement	ARX	Allamakee, Chickasaw, Fayette, Floyd, Howard, Mitchell and 1 more	61 min
Jun 10, 3:23 AM CDT	Special Weather Statement	ARX	Olmsted	37 min
Jun 10, 3:54 AM CDT	Special Weather Statement	ARX	Wabasha	36 min
Jun 10, 4:36 PM CDT	Severe Thunderstorm Warning	ARX	Olmsted, Wabasha	39 min
Jun 10, 5:46 PM CDT	Severe Thunderstorm Warning Considerable damage threat	ARX	Fillmore, Olmsted, Winona	44 min
Jun 10, 6:21 PM CDT	Severe Thunderstorm Warning Considerable damage threat	ARX	Fillmore, Houston	39 min

Nearby

Severe Thunderstorm Warnings in Iowa, 2026 Severe Thunderstorm Warnings in Wisconsin, 2026 Every 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.