Alert archive / Minnesota / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 195, NWS La Crosse, WI

September 2, 2026Mower County, Minnesota

NWS La Crosse, WI issued this severe thunderstorm warning at Sep 2, 2026, 4:18 AM CDT for Mower County, Minnesota. It was in force for 26 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: Sep 2, 2026, 4:18 AM CDT (09:18 UTC)
Expired: Sep 2, 2026, 4:44 AM CDT
In force: 26 min
Issued by: NWS La Crosse, WI
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

County Mower County, MN

The radar

The La Crosse radar (KARX), 126 km from the middle of the area, began a volume at 09:17 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
Sep 2, 12:45 AM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 9.3 hours before the alert went out and 147 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1902 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 17 m²/s²
0-3 km storm-relative helicity: 121 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.9

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 Sep 2, 1:45 AM CDT, 2 hours 33 minutes earlier.

Area forecast discussion, Sep 2, 1:45 AM CDT, 2 hours 33 minutes before

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Hazardous weather outlook, Sep 1, 1:39 PM CDT, 14 hours 39 minutes before

Hazardous Weather Outlook
National Weather Service La Crosse WI
139 PM CDT Tue Sep 1 2026

IAZ008>011-018-019-029-030-MNZ079-086>088-094>096-WIZ017-029-
032>034-041>044-053>055-061-022245-
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-
139 PM CDT Tue Sep 1 2026

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

.DAY ONE...This Afternoon and Tonight

A strong to severe thunderstorm complex moves through the area
late tonight into Wednesday morning, mainly along and north of
Interstate 90. The primary hazard is damaging winds.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

Strong thunderstorms are possible Wednesday night through
Thursday morning. The primary hazard is damaging winds.

.SPOTTER INFORMATION STATEMENT...

No action needed.

.EMERGENCY MANAGEMENT COORDINATION...

No webinar is scheduled.

In the hours before

Local storm report, Sep 2, 2:51 AM CDT, 1 hour 27 minutes before

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Local storm report, Sep 2, 2:52 AM CDT, 1 hour 26 minutes before

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Local storm report, Sep 2, 3:04 AM CDT, 1 hour 14 minutes before

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Special weather statement, Sep 2, 3:07 AM CDT, 1 hour 11 minutes before

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Special weather statement, Sep 2, 3:37 AM CDT, 41 minutes before

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Local storm report, Sep 2, 3:55 AM CDT, 23 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
Sep 1, 11:25 PM CDT	Special Weather Statement	ARX	La Crosse	50 min
Sep 2, 12:10 AM CDT	Severe Thunderstorm Warning Considerable damage threat	ARX	La Crosse, Trempealeau	22 min
Sep 2, 1:18 AM CDT	Severe Thunderstorm Warning	ARX	Adams	27 min
Sep 2, 1:47 AM CDT	Severe Thunderstorm Warning Considerable damage threat	ARX	Buffalo, Trempealeau	58 min
Sep 2, 2:25 AM CDT	Severe Thunderstorm Warning	ARX	Buffalo, Jackson, La Crosse, Monroe, Trempealeau	50 min
Sep 2, 3:07 AM CDT	Special Weather Statement	ARX	Jackson	38 min
Sep 2, 3:37 AM CDT	Special Weather Statement	ARX	Adams	38 min
Sep 1, 10:19 PM CDT	Special Weather Statement	ARX	Fillmore	41 min
Sep 1, 10:45 PM CDT	Special Weather Statement	ARX	Winona	45 min
Sep 1, 11:51 PM CDT	Special Weather Statement	ARX	Winona	24 min
Sep 1, 11:56 PM CDT	Severe Thunderstorm Warning	ARX	Winona	34 min
Sep 2, 12:47 AM CDT	Severe Thunderstorm Warning	ARX	Dodge	58 min
Sep 2, 1:17 AM CDT	Severe Thunderstorm Warning	ARX	Dodge, Fillmore, Mower, Olmsted, Wabasha	58 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 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.