Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 53, NWS Green Bay, WI

June 10, 2026Marathon County, Wood County, Wisconsin

NWS Green Bay, WI issued this severe thunderstorm warning at Jun 10, 2026, 6:41 AM CDT for Marathon County, Wood County, Wisconsin. It was in force for 49 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, 6:41 AM CDT (11:41 UTC)
Expired: Jun 10, 2026, 7:30 AM CDT
In force: 49 min
Issued by: NWS Green Bay, WI
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Marathon County, WI, Wood County, WI

The radar

The La Crosse radar (KARX), 140 km from the middle of the area, began a volume at 11:42 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 00:00Z, 11.7 hours before the alert went out and 293 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: 1680 J/kg
Mixed-layer CIN: -67 J/kg
Mixed-layer LCL: 1487 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 26 m²/s²
0-3 km storm-relative helicity: 85 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 3.2

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 Green Bay, WI wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 10, 2:02 AM CDT, 4 hours 39 minutes earlier.

Area forecast discussion, Jun 10, 2:02 AM CDT, 4 hours 39 minutes before

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Hazardous weather outlook, Jun 10, 2:28 AM CDT, 4 hours 13 minutes before

Hazardous Weather Outlook
National Weather Service Green Bay WI
228 AM CDT Wed Jun 10 2026

WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-110730-
Vilas-Oneida-Forest-Florence-Northern Marinette County-Lincoln-
Langlade-Menominee-Northern Oconto County-Door-Marathon-Shawano-
Wood-Portage-Waupaca-Outagamie-Brown-Kewaunee-Waushara-Winnebago-
Calumet-Manitowoc-Southern Marinette County-
Southern Oconto County-
228 AM CDT Wed Jun 10 2026

This Hazardous Weather Outlook is for north-central and northeast
Wisconsin.

.DAY ONE...Today and Tonight

Scattered thunderstorms will impact portions of central to north-
central WI this morning. Strong to severe wind gusts are possible.

Additional rounds of strong to severe thunderstorms will occur
over the entire area this afternoon into this evening. All severe
hazards could occur, including damaging winds, large hail, and the
potential for a tornado. Heavy rain is expected and localized
flooding could become an issue for areas where repeated rounds of
heavy rain occur.

Areas of dense fog will result in sharply reduced visibility and
hazardous driving conditions this morning from northeast Wisconsin
to the lakeshore. A Dense Fog Advisory is in effect until 10 am
this morning.

A period of dangerous heat with high humidity could occur this
afternoon if the breaks between rounds of storms is long enough.
The area most impacted would be central Wisconsin into the Fox
Valley.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

Another round of strong to severe thunderstorms and heavy rain are
expected Thursday afternoon and Thursday evening over northeast
Wisconsin and east-central WI. Localized flooding could occur.

.SPOTTER INFORMATION STATEMENT...

Spotters are requested to report any wind damage, hail, or
flooding to the National Weather Service in Green Bay.

LMZ521-522-541>543-110730-
The Bay of Green Bay south of a line from Cedar River MI to Rock
Island Passage-Lake Michigan from Washington Island to Sheboygan-
228 AM CDT Wed Jun 10 2026

This Hazardous Weather Outlook is for portions of northwest Lake
Michigan and the waters of Green Bay.

.DAY ONE...Today and Tonight

Scattered thunderstorms will impact the bay and northern portions
of lake Michigan later this morning. Strong wind gusts are possible.

Additional rounds of strong to severe thunderstorms will occur
this afternoon into this evening. Any thunderstorm could pose a hazard
to mariners.

Areas of fog may be dense this morning. A Marine Dense Fog Advisory
is in effect until 10 am this morning.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

Additional thunderstorms are expected Thursday afternoon through
Thursday evening. Any thunderstorm could pose a hazard to
mariners.

JLA

The office that day

Everything else NWS Green Bay, WI issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 9, 10:31 PM CDT	Dense Fog Advisory	GRB	Brown, Door, Florence, Forest, Kewaunee, Langlade and 5 more	11 hr
Jun 10, 7:18 AM CDT	Severe Thunderstorm Warning	GRB	Lincoln, Marathon	57 min
Jun 10, 7:34 AM CDT	Severe Thunderstorm Warning	GRB	Portage, Wood	56 min
Jun 10, 7:48 AM CDT	Areal Flood Advisory	GRB	Marathon, Wood	3 hr
Jun 10, 7:51 AM CDT	Special Weather Statement	GRB	Langlade, Menominee	54 min
Jun 10, 8:28 AM CDT	Special Weather Statement	GRB	Menominee, Portage, Shawano, Waupaca, Wood	32 min
Jun 10, 8:41 AM CDT	Special Weather Statement	GRB	Florence, Forest, Marinette, Menominee	79 min
Jun 10, 8:58 AM CDT	Special Weather Statement	GRB	Oconto, Outagamie, Portage, Shawano, Waupaca	62 min
Jun 10, 9:21 AM CDT	Severe Thunderstorm Warning	GRB	Outagamie, Shawano, Waupaca	54 min
Jun 10, 9:32 AM CDT	Special Marine Warning	GRB		73 min
Jun 10, 9:45 AM CDT	Marine Dense Fog Advisory	GRB		8 hr
Jun 10, 9:45 AM CDT	Small Craft Advisory	GRB		13 hr
Jun 10, 9:46 AM CDT	Beach Hazards Statement	GRB	Door, Kewaunee, Manitowoc	13 hr
Jun 10, 9:50 AM CDT	Special Weather Statement	GRB	Brown, Oconto, Outagamie	55 min
Jun 10, 2:25 PM CDT	Severe Thunderstorm Warning Considerable damage threat	GRB	Marathon, Wood	65 min
Jun 10, 2:55 PM CDT	Severe Thunderstorm Warning	GRB	Calumet, Winnebago	65 min
Jun 10, 3:24 PM CDT	Severe Thunderstorm Warning	GRB	Marathon, Portage, Waushara, Wood	66 min
Jun 10, 3:25 PM CDT	Severe Thunderstorm Warning Destructive damage threat	GRB	Brown, Calumet, Kewaunee, Manitowoc, Outagamie, Winnebago	50 min
Jun 10, 3:30 PM CDT	Special Weather Statement	GRB	Lincoln, Marathon, Oneida	45 min
Jun 10, 3:47 PM CDT	Special Marine Warning	GRB		93 min
Jun 10, 3:47 PM CDT	Severe Thunderstorm Warning	GRB	Outagamie	43 min
Jun 10, 3:50 PM CDT	Tornado Warning	GRB	Marathon	40 min
Jun 10, 4:01 PM CDT	Special Marine Warning	GRB		59 min
Jun 10, 4:02 PM CDT	Special Marine Warning	GRB		58 min
Jun 10, 4:10 PM CDT	Severe Thunderstorm Warning	GRB	Langlade, Menominee, Shawano, Waupaca	50 min
Jun 10, 4:14 PM CDT	Special Weather Statement	GRB	Brown, Kewaunee, Manitowoc	46 min
Jun 10, 4:19 PM CDT	Areal Flood Advisory	GRB	Marathon, Wood	4 hr
Jun 10, 4:26 PM CDT	Special Marine Warning	GRB		67 min
Jun 10, 4:37 PM CDT	Tornado Warning	GRB	Menominee, Shawano	23 min
Jun 10, 4:42 PM CDT	Special Marine Warning	GRB		67 min

Nearby

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.