Alert archive / Wisconsin / Heat Advisories in 2026

Heat Advisory 2, NWS La Crosse, WI

June 30, 20268 counties in Wisconsin; 8 counties in Iowa; Houston County, Minnesota

NWS La Crosse, WI issued this heat advisory at Jun 30, 2026, 9:26 PM CDT for 8 counties in Wisconsin; 8 counties in Iowa; Houston County, Minnesota. It took effect at Jul 1, 2026, 1:00 PM CDT. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued: Jun 30, 2026, 9:26 PM CDT (02:26 UTC)
In effect from: Jul 1, 2026, 1:00 PM CDT
Expired: Jul 1, 2026, 5:31 PM CDT
In force: 5 hr
Issued by: NWS La Crosse, WI

Counties Allamakee County, IA, Chickasaw County, IA, Clayton County, IA, Fayette County, IA, Floyd County, IA, Howard County, IA, Mitchell County, IA, Winneshiek County, IA, Houston County, MN, Adams County, WI, Crawford County, WI, Grant County, WI, Juneau County, WI, La Crosse County, WI, Monroe County, WI, Richland County, WI, Vernon County, WI

The radar

The La Crosse radar (KARX), 50 km from the middle of the area, began a volume at 02:30 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.

What forecasters said that day

The local office's own words before this heat advisory 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 heat advisory went out at Jun 30, 6:49 PM CDT, 2 hours 37 minutes earlier.

Area forecast discussion, Jun 30, 6:49 PM CDT, 2 hours 37 minutes before

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Hazardous weather outlook, Jun 30, 5:24 PM CDT, 4 hours 2 minutes before

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    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
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        Please try again in a few minutes.
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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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
Jul 1, 4:16 AM CDT	Severe Thunderstorm Warning	ARX	Crawford, Richland, Vernon	29 min
Jul 1, 5:28 AM CDT	Severe Thunderstorm Warning	ARX	Adams, Juneau	62 min
Jul 1, 9:08 AM CDT	Severe Thunderstorm Warning	ARX	Crawford, Vernon	41 min
Jul 1, 9:59 AM CDT	Severe Thunderstorm Warning	ARX	Richland	31 min
Jul 1, 10:40 AM CDT	Severe Thunderstorm Warning	ARX	Adams, Juneau	30 min
Jul 1, 8:21 AM CDT	Special Weather Statement	ARX	Winneshiek	24 min
Jul 1, 6:09 AM CDT	Severe Thunderstorm Warning	ARX	Mower	31 min
Jul 1, 6:54 AM CDT	Severe Thunderstorm Warning	ARX	Fillmore, Olmsted, Wabasha, Winona	51 min
Jul 1, 7:17 AM CDT	Severe Thunderstorm Warning	ARX	Winona	43 min
Jul 1, 7:58 AM CDT	Areal Flood Advisory	ARX	Winona	81 min
Jul 1, 8:05 AM CDT	Areal Flood Advisory	ARX	Dodge, Olmsted	3 hr
Jul 1, 8:45 AM CDT	Special Weather Statement	ARX	Houston	30 min
Jul 1, 9:19 AM CDT	Flash Flood Warning	ARX	Winona	2 hr

Nearby

Heat Advisories in Wisconsin, 2026 Heat Advisories in Iowa, 2026 Heat Advisories in Minnesota, 2026 Every heat advisory 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; radar from the NEXRAD Level II archive.