Thanatos Weather
Wednesday, Sep 17, 2025 05:41:40

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AdvisoryWind8
WatchAreal Flood8
AdvisoryFrost6
WatchFlash Flood5
WatchGale5
WarningFreeze3
WarningFire Weather3
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Dense Fog Advisory 0020
Issued by the Duluth Forecast Office

Action Issued Starts Expiration
New 2025-09-13 04:31:34 2025-09-13 04:31:00 2025-09-13 10:00:00
Time Extended 2025-09-13 09:55:41 2025-09-13 12:00:00
Expired 2025-09-13 09:55:41 2025-09-13 10:00:00


Action: New
Issued At: 2025-09-13 04:31:34

801 
WWUS73 KDLH 130931
NPWDLH

URGENT - WEATHER MESSAGE
National Weather Service Duluth MN
431 AM CDT Sat Sep 13 2025

MNZ018>021-025-026-033>037-WIZ001>004-131500-
/O.NEW.KDLH.FG.Y.0020.250913T0931Z-250913T1500Z/
North Itasca-Central St. Louis-Southern Lake-Southern Cook-North
Cass-South Itasca-South Cass-Crow Wing-Northern Aitkin-South
Aitkin-Carlton and South St. Louis-Douglas-Bayfield-Ashland-Iron-
Including the cities of Pine River, Brainerd, Duluth, Two
Harbors, Hibbing, Hill City, Superior, Washburn, Bayfield,
Aitkin, Walker, Hurley, Ashland, Bigfork, Grand Rapids, Silver
Bay, and Grand Marais
431 AM CDT Sat Sep 13 2025

...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING...

* WHAT...Visibility one quarter mile or less in dense fog.

* WHERE...In Minnesota, Crow Wing, Aitkin, Cass, Itasca, Carlton, 
  South and Central St. Louis, Southern Cook and Southern Lake 
  Counties. In Wisconsin, Ashland, Bayfield, Douglas, and Iron 
  Counties. This includes the Tribal Lands of the Red Cliff Band, 
  the Grand Portage Reservation, the northwestern area of the Lac du 
  Flambeau Band, the Fond du Lac Band, the Bad River Reservation, 
  the Mille Lacs Band, Big Sandy Lake and, East Lake areas and the 
  Bois Forte Band, Lake Vermilion and, Deer Creek areas. Other 
  locations including the Apostle Islands National Lakeshore and 
  Madeline Island.

* WHEN...Until 10 AM CDT this morning.

* IMPACTS...Low visibility could make driving conditions hazardous.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If driving, slow down, use your low-beam headlights and fog lights, 
and leave plenty of distance ahead of you.

&&

$$

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

HA


Action: Time Extended
Issued At: 2025-09-13 09:55:41

651 
WWUS73 KDLH 131455
NPWDLH

URGENT - WEATHER MESSAGE
National Weather Service Duluth MN
955 AM CDT Sat Sep 13 2025

MNZ018>021-025-026-033>036-WIZ002>004-131600-
/O.EXP.KDLH.FG.Y.0020.000000T0000Z-250913T1500Z/
North Itasca-Central St. Louis-Southern Lake-Southern Cook-North
Cass-South Itasca-South Cass-Crow Wing-Northern Aitkin-South
Aitkin-Bayfield-Ashland-Iron-
Including the cities of Silver Bay, Washburn, Brainerd, Grand
Rapids, Bayfield, Ashland, Two Harbors, Hill City, Hurley,
Walker, Pine River, Aitkin, Bigfork, Hibbing, and Grand Marais
955 AM CDT Sat Sep 13 2025

...DENSE FOG ADVISORY WILL EXPIRE AT 10 AM CDT THIS MORNING...

Widespread dense fog has decreased in coverage per the latest 
surface observations. Therefore, the Dense Fog Advisory will be 
allowed to expire.

$$

MNZ037-WIZ001-131700-
/O.EXT.KDLH.FG.Y.0020.000000T0000Z-250913T1700Z/
Carlton and South St. Louis-Douglas-
Including the cities of Duluth and Superior
955 AM CDT Sat Sep 13 2025

...DENSE FOG ADVISORY NOW IN EFFECT UNTIL NOON CDT TODAY...

* WHAT...Visibility less than a half mile in dense fog. 

* WHERE...In Minnesota, Carlton and South St. Louis Counties. In 
  Wisconsin, Douglas County. This includes the Tribal Lands of the 
  Fond du Lac Band.

* WHEN...Until noon CDT today.

* IMPACTS...Low visibility could make driving conditions hazardous.

* ADDITIONAL DETAILS...The worst visibilities will be found along 
  the St. Louis River valley and nearby areas. Conditions will 
  slowly improve through the remainder of the morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If driving, slow down, use your low-beam headlights and fog lights, 
and leave plenty of distance ahead of you.

&&

$$

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

LE


Action: Expired
Issued At: 2025-09-13 09:55:41

651 
WWUS73 KDLH 131455
NPWDLH

URGENT - WEATHER MESSAGE
National Weather Service Duluth MN
955 AM CDT Sat Sep 13 2025

MNZ018>021-025-026-033>036-WIZ002>004-131600-
/O.EXP.KDLH.FG.Y.0020.000000T0000Z-250913T1500Z/
North Itasca-Central St. Louis-Southern Lake-Southern Cook-North
Cass-South Itasca-South Cass-Crow Wing-Northern Aitkin-South
Aitkin-Bayfield-Ashland-Iron-
Including the cities of Silver Bay, Washburn, Brainerd, Grand
Rapids, Bayfield, Ashland, Two Harbors, Hill City, Hurley,
Walker, Pine River, Aitkin, Bigfork, Hibbing, and Grand Marais
955 AM CDT Sat Sep 13 2025

...DENSE FOG ADVISORY WILL EXPIRE AT 10 AM CDT THIS MORNING...

Widespread dense fog has decreased in coverage per the latest 
surface observations. Therefore, the Dense Fog Advisory will be 
allowed to expire.

$$

MNZ037-WIZ001-131700-
/O.EXT.KDLH.FG.Y.0020.000000T0000Z-250913T1700Z/
Carlton and South St. Louis-Douglas-
Including the cities of Duluth and Superior
955 AM CDT Sat Sep 13 2025

...DENSE FOG ADVISORY NOW IN EFFECT UNTIL NOON CDT TODAY...

* WHAT...Visibility less than a half mile in dense fog. 

* WHERE...In Minnesota, Carlton and South St. Louis Counties. In 
  Wisconsin, Douglas County. This includes the Tribal Lands of the 
  Fond du Lac Band.

* WHEN...Until noon CDT today.

* IMPACTS...Low visibility could make driving conditions hazardous.

* ADDITIONAL DETAILS...The worst visibilities will be found along 
  the St. Louis River valley and nearby areas. Conditions will 
  slowly improve through the remainder of the morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If driving, slow down, use your low-beam headlights and fog lights, 
and leave plenty of distance ahead of you.

&&

$$

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

LE



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