NWS (6) EXTREME HEAT WARNING

Extreme Heat Warning

EffectiveStatusExpires
2:34 AM TUECON9:00 PM TUESee details
Extreme Heat Warning issued July 14 at 2:34AM CDT until July 14 at 9:00PM CDT by NWS Duluth MN
* WHAT...Dangerously hot conditions with heat index values up to 101.

* WHERE...In Minnesota, Crow Wing, Aitkin, Pine, Cass, and Carlton and South St. Louis Counties. In Wisconsin, Ashland, Bayfield, Burnett, Douglas, Iron, Sawyer, and Washburn Counties. This includes the Tribal Lands of the Fond du Lac Band, the Lac Courte Oreilles Reservation, the St. Croix Band in Burnett County, the northwestern area of the Lac du Flambeau Band, the Bad River Reservation, the Red Cliff Band and the Mille Lacs Band, Big Sandy Lake, Hinckley, Lena Lake and, East Lake areas. Other locations including Madeline Island and the Apostle Islands National Lakeshore.

* WHEN...Until 9 PM CDT this evening.

* IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.

Issued: 7/14/2026 - 2:34 AM CST
Expires: 7/14/2026 - 9:00 PM CST (16 hr)
Counties: Carlton, St. Louis, Pine, Douglas, Bayfield, Ashland, Iron, Burnett, Washburn, Sawyer, Cass, Crow Wing, Aitkin
ETN: 0002
WFO: DLH
Severity: Severe
Urgency: Severe

Active Warnings (8)

Heat Advisory #0001
MKX
until 8:00 PM WED (1.6 days)
Red Flag Warning #0013
DLH
until 9:00 PM TUE (16 hr)
Heat Advisory #0005
DLH
until 9:00 PM TUE (16 hr)
Heat Advisory #0003
ARX
until 8:00 PM WED (1.6 days)
Heat Advisory #0003
ARX
until 8:00 PM WED (1.6 days)
Heat Advisory #0003
ARX
until 9:00 PM TUE (16 hr)
Heat Advisory #0003
MPX
until 9:00 PM THU (2.7 days)
Heat Advisory #0003
GRB
until 9:00 PM TUE (16 hr)