| Event | Extreme Heat Warning |
| Severity | Severe |
| Urgency | Expected |
| Certainty | Likely |
| Area | Florence; Northern Marinette County; Menominee; Northern Oconto County; Southern Marinette County; Southern Oconto County |
| Effective | 6/30/2026, 1:04:00 AM CDT |
| Expires | 6/30/2026, 1:00:00 PM CDT |
Extreme Heat Warning issued June 30 at 1:04AM CDT until June 30 at 7:00PM CDT by NWS Green Bay WI
Details
* WHAT…Dangerously hot conditions with heat index values up to 108.
* WHERE…Florence, Menominee, Marinette, and Oconto counties.
* WHEN…Until 7 PM CDT this evening.
* IMPACTS…Heat related illnesses increase significantly during
extreme heat and high humidity events.
Instructions
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
This alert was automatically posted by SkyGuard, MWSC’s severe weather alerting system. Source: National Weather Service.
More Stories
⚠️ Severe Thunderstorm Watch – Blue Earth, MN; Brown, MN; Carver, MN; Dakota, MN; Faribault, MN; Freeborn, MN; Goodhue, MN; Hennepin, MN; Le Sueur, MN; Martin, MN; Nicollet, MN; Ramsey, MN; Rice, MN; Scott, MN; Sibley, MN; Steele, MN; Waseca, MN; Washington, MN; Watonwan, MN; Chippewa, WI; Dunn, WI; Eau Claire, WI; Pepin, WI; Pierce, WI; St. Croix, WI – Tuesday, June 30, 2026
⚠️ Severe Thunderstorm Watch – Dodge, MN; Fillmore, MN; Mower, MN; Olmsted, MN; Wabasha, MN; Winona, MN; Buffalo, WI; Clark, WI; Jackson, WI; Taylor, WI; Trempealeau, WI – Tuesday, June 30, 2026
⚠️ Severe Thunderstorm Watch – Emmet, IA; Kossuth, IA; Palo Alto, IA; Winnebago, IA; Worth, IA – Tuesday, June 30, 2026