# Extreme Heat Watch: Koochiching; North St. Louis; Northern Cook/Northern Lake; North Itasca; Central St. Louis; North Cass; South Itasca; Northern Aitkin; Carlton/South St. Louis — retained record

> Retained us-gov-api record from us-gov-api:noaa-weather.

Canonical: https://highsignal.app/data/records/efd7760e0a2cd18d

[← sources](https://highsignal.app/data)


source: [us-gov-api](https://highsignal.app/data/us-gov-api) (us-gov-api:noaa-weather)  published 2026-07-11 01:06 ingested 2026-07-11 08:05

[original source ↗](http://www.weather.gov/)

## extract

Extreme Heat Watch — Koochiching; North St. Louis; Northern Cook/Northern Lake; North Itasca; Central St. Louis; North Cass; South Itasca; Northern Aitkin; Carlton/South St. Louis
Severity: Severe. Certainty: Likely.
* WHAT...For the Heat Advisory, heat index values up to 95 expected.
For the Extreme Heat Watch, dangerously hot conditions with heat
index values up to 100 possible.

* WHERE...Northern Aitkin, Koochiching, North Cass, Itasca, Carlton,
St. Louis, and Northern Cook and Lake Counties. This includes the
Tribal Lands of the Fond du Lac Band, the Mille Lacs Band, Big
Sandy Lake area and the Bois Forte Band, Nett Lake, Deer Creek
and, Lake Vermilion areas. Other locations including Voyageurs
National Park. The entire Boundary Waters is also included.

* WHEN...For the Heat Advisory, from 11 AM this morning to 9 PM CDT
this evening. For the Extreme Heat Watch, from Sunday morning
through Monday evening.

* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events. Hot temperatures and high
humidity may cause heat illnesses.

* ADDITIONAL DETAILS...Little to no relief from the heat is possible
Sunday night as continued very warm heat indices in the 70s are
forecast Sunday night.

## retained text

The historical document was shared with another weather alert and cannot be attributed to this record.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.