Watches, Warnings & Advisories



4 products issued by NWS for: Duluth MN

Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Duluth MN
342 PM CDT Fri Jun 20 2025

MNZ010>012-018>021-025-026-033>038-WIZ001>004-006>009-212045-
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-
342 PM CDT Fri Jun 20 2025

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

.DAY ONE...This afternoon and Tonight

Severe thunderstorms and flash flooding are possible this evening
and tonight for all of the Northland. Damaging wind up to 80 mph and
large hail to 2 inches in diameter are the primary hazards. There
is also a low end tornado threat in the Brainerd Lakes to Leech
Lake region this afternoon and evening. High rip current action
along Lake Superior beaches in the Twin Ports is expected to
create dangerous swim conditions this afternoon and evening.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

Dangerously hot weather is possible Saturday and Sunday. Heat
index values from 95 to 105 degrees are possible.

Additional strong to severe thunderstorms may be possible Sunday
into early Monday.

.SPOTTER INFORMATION STATEMENT...

Skywarn spotters are encouraged to report hail of any size, wind
damage, flooding, tornadoes, and rainfall amounts to the National
Weather Service.

$$



Heat Advisory

URGENT - WEATHER MESSAGE
National Weather Service Duluth MN
247 PM CDT Fri Jun 20 2025

MNZ010>012-018-019-025-026-035-037-211215-
/O.CON.KDLH.HT.Y.0001.250621T1700Z-250623T0200Z/
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 Ely, Duluth, Grand Rapids, International
Falls, Walker, Bigfork, Isabella, Hill City, and Hibbing
247 PM CDT Fri Jun 20 2025

...HEAT ADVISORY REMAINS IN EFFECT FROM NOON SATURDAY TO 9 PM CDT
SUNDAY...

* WHAT...Hot conditions with heat index values up to between 95 and
  99 expected expected during the afternoon into early evening on
  both Saturday and Sunday.

* 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...From noon Saturday to 9 PM CDT Sunday.

* IMPACTS...Hot temperatures and high humidity may cause heat
  illnesses.

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.

&&

$$

For more information on Northland weather, visit www.weather.
gov/duluth

Wolfe




Flood Watch

Flood Watch
National Weather Service Duluth MN
206 PM CDT Fri Jun 20 2025

MNZ011-012-018>021-025-026-035-037-WIZ001>004-211200-
/O.NEW.KDLH.FA.A.0001.250621T0300Z-250621T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
North St. Louis-Northern Cook and Lake-North Itasca-Central St.
Louis-Southern Lake-Southern Cook-North Cass-South Itasca-
Northern Aitkin-Carlton and South St. Louis-Douglas-Bayfield-
Ashland-Iron-
Including the cities of Ely, Washburn, Silver Bay, Duluth,
Superior, Grand Rapids, Walker, Bigfork, Hurley, Grand Marais,
Bayfield, Isabella, Two Harbors, Hill City, Ashland, and Hibbing
206 PM CDT Fri Jun 20 2025

...FLOOD WATCH IN EFFECT FROM 10 PM CDT THIS EVENING THROUGH
SATURDAY MORNING...

* WHAT...Flash flooding caused by excessive rainfall is possible.

* WHERE...In Minnesota, North Cass, Northern Aitkin, Cook, Lake,
  Carlton, St. Louis and Itasca Counties and Wisconsin, Ashland,
  Bayfield, Douglas and Iron Counties. This includes the Tribal
  Lands of the northwestern area of the Lac du Flambeau Band, the
  Red Cliff Band, the Fond du Lac Band, the Mille Lacs Band, Big
  Sandy Lake area, the Bad River Reservation, the Grand Portage
  Reservation and the Bois Forte Band, Nett Lake, Deer Creek and,
  Lake Vermilion areas. Other locations including the Apostle
  Islands National Lakeshore, Madeline Island and Voyageurs National
  Park. The entire Boundary Waters is also included.

* WHEN...From 10 PM CDT this evening through Saturday morning.

* IMPACTS...Excessive runoff may result in flooding of rivers,
  creeks, streams, and other low-lying and flood-prone locations.
  Creeks and streams may rise out of their banks. Low-water
  crossings may be flooded.

* ADDITIONAL DETAILS...
  - A warm front will bring heavy rainfall which may lead to
    rapid runoff and flash flooding overnight.
  - Flood safety information can be found at
    www.weather.gov/safety/flood.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.

Portage and hiking trails may become slick and potentially
impassable and ponding of water could inundate low-lying campsites
across the Boundary Waters.

&&

$$

Wolfe




Beach Hazards Statement

Coastal Hazard Message
National Weather Service Duluth MN
246 AM CDT Fri Jun 20 2025

MNZ037-WIZ001-210300-
/O.NEW.KDLH.BH.S.0005.250620T2200Z-250621T0300Z/
Carlton and South St. Louis-Douglas-
246 AM CDT Fri Jun 20 2025

...BEACH HAZARDS STATEMENT IN EFFECT FROM THIS AFTERNOON THROUGH
THIS EVENING...

* WHAT...Dangerous swimming conditions are expected along the
  Lake Superior shoreline due to high wave action and strong rip
  currents.

* WHERE...Minnesota Park Point and Wisconsin Point Beaches.

* WHEN...From this afternoon through this evening.

* IMPACTS...High wave action can make swimming difficult on days
  such as this. Incoming waves in rapid succession can tire even
  an experienced swimmer quickly. Rip currents can usher you away
  from land. To avoid being swept away, swim parallel to the shore
  to exit a rip current.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water to avoid hazardous swimming conditions.

&&

$$