Hazard Report Provided By forecast.weather.gov

Hazardous Weather Outlook
National Weather Service Duluth MN
349 PM CDT Fri Jul 10 2026

MNZ010>012-018>021-025-026-033>038-WIZ001>004-006>009-112100-
Koochiching-North St. Louis-Northern Cook/Northern Lake-
North Itasca-Central St. Louis-Southern Lake/North Shore-
Southern Cook/North Shore-North Cass-South Itasca-South Cass-
Crow Wing-Northern Aitkin-South Aitkin-Carlton/South St. Louis-
Pine-Douglas-Bayfield-Ashland-Iron-Burnett-Washburn-Sawyer-Price-
349 PM CDT Fri Jul 10 2026

This Hazardous Weather Outlook is for portions of northeast
Minnesota and northwest Wisconsin.

.DAY ONE...This afternoon and Tonight

There is a 20 to 40% chance of isolated thunderstorms this
afternoon and evening. A few strong storms could produce gusty
winds and large hail in the Brainerd Lakes to Grand Rapids area.

There is chance of locally dense fog tonight into early Saturday
morning, mainly south of the Iron Range.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

There is a 20 to 40% chance of isolated thunderstorms again
Saturday afternoon and evening in the Minnesota Arrowhead and
Northwest Wisconsin. A few strong storms may be capable of
producing very heavy downpours and brief gusty winds.

Dangerous heat is forecast Saturday through Tuesday. Heat
Advisories and Extreme Heat Warnings may be needed.


.SPOTTER INFORMATION STATEMENT...

Skywarn spotters are encouraged to report hail of any size and
rainfall amounts to the National Weather Service.

$$

URGENT - WEATHER MESSAGE
National Weather Service Duluth MN
106 AM CDT Sat Jul 11 2026

MNZ010>012-018-019-025-026-035-037-112100-
/O.EXT.KDLH.XH.A.0002.260712T1600Z-260714T0200Z/
/O.CON.KDLH.HT.Y.0004.260711T1600Z-260712T0200Z/
Koochiching-North St. Louis-Northern Cook and Lake-North Itasca-
Central St. Louis-North Cass-South Itasca-Northern Aitkin-Carlton
and South St. Louis-
Including the cities of Bigfork, International Falls, Isabella,
Grand Rapids, Hibbing, Duluth, Ely, Hill City, and Walker
106 AM CDT Sat Jul 11 2026

...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 9 PM
CDT THIS EVENING...
...EXTREME HEAT WATCH NOW IN EFFECT FROM SUNDAY MORNING THROUGH
MONDAY EVENING...

* 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.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Duluth MN
106 AM CDT Sat Jul 11 2026

MNZ010>012-018-019-025-026-035-037-112100-
/O.EXT.KDLH.XH.A.0002.260712T1600Z-260714T0200Z/
/O.CON.KDLH.HT.Y.0004.260711T1600Z-260712T0200Z/
Koochiching-North St. Louis-Northern Cook and Lake-North Itasca-
Central St. Louis-North Cass-South Itasca-Northern Aitkin-Carlton
and South St. Louis-
Including the cities of Bigfork, International Falls, Isabella,
Grand Rapids, Hibbing, Duluth, Ely, Hill City, and Walker
106 AM CDT Sat Jul 11 2026

...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 9 PM
CDT THIS EVENING...
...EXTREME HEAT WATCH NOW IN EFFECT FROM SUNDAY MORNING THROUGH
MONDAY EVENING...

* 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.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

&&

$$

Hazard Report Provided By forecast.weather.gov