Extreme Heat Warning: Marquette; Green Lake; Fond Du Lac; Sheboygan; Sauk; Columbia; Dodge; Washington; Ozaukee; Iowa; Dane; Jefferson; Waukesha; Milwaukee; Lafayette; Green; Rock; Walworth; Racine; Kenosha

source: us-gov-api (us-gov-api:noaa-weather)published 2026-06-30 03:45ingested 2026-06-30 09:10

extract

Extreme Heat Warning — Marquette; Green Lake; Fond Du Lac; Sheboygan; Sauk; Columbia; Dodge; Washington; Ozaukee; Iowa; Dane; Jefferson; Waukesha; Milwaukee; Lafayette; Green; Rock; Walworth; Racine; Kenosha Severity: Severe. Certainty: Likely. * WHAT...Dangerously hot conditions with daytime heat index values up to 106 degrees today and Wednesday, with overnight heat index values in the upper 70s. * WHERE...Portions of east central, south central, and southeast Wisconsin. * WHEN...Until 7 PM CDT Wednesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.

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The historical document was shared with another weather alert and cannot be attributed to this record. The original extract is preserved above; the exact alert link was not retained.