Dense Fog Advisory
URGENT - MARINE WEATHER MESSAGE
National Weather Service Duluth MN
918 AM CDT Mon Sep 28 2026
LSZ146>148-150-281700-
/O.NEW.KDLH.MF.Y.0036.260928T1418Z-260928T1700Z/
Port Wing to Sand Island WI-Sand Island to Bayfield WI-
Oak Point to Saxon Harbor WI-
Outer Apostle Islands Beyond 5 NM from Mainland-
918 AM CDT Mon Sep 28 2026
...DENSE FOG ADVISORY IN EFFECT UNTIL NOON CDT TODAY...
* WHAT...Dense fog will reduce visibility to 1/4 to 2 NM.
* WHERE...Port Wing to Sand Island WI, Sand Island to Bayfield
WI, Oak Point to Saxon Harbor WI and Outer Apostle Islands
Beyond 5 NM from Mainland.
* WHEN...Until noon CDT today.
* IMPACTS...Low visibility will make navigation difficult.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If you must navigate, proceed with caution. Use proper fog
signals. Make sure all running lights are on. Remember to use
your radar and compass.
&&
$$
Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Duluth MN
1055 AM CDT Mon Sep 28 2026
LSZ121-140>148-150-291600-
Bayfield to Oak Point WI-Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-Two Harbors to Duluth MN-
Duluth MN to Port Wing WI-Port Wing to Sand Island WI-
Sand Island to Bayfield WI-Oak Point to Saxon Harbor WI-
Outer Apostle Islands Beyond 5 NM from Mainland-
1055 AM CDT Mon Sep 28 2026
This Hazardous Weather Outlook is for portions of Lake Superior
and the Nearshore waters of western Lake Superior.
.DAY ONE...Today and Tonight
Dense fog with visibility 1 mile or less will linger around the
Bayfield Peninsula this morning and possible into early afternoon.
A Dense Fog Advisory is in effect.
.DAYS TWO THROUGH SEVEN...Tuesday through Sunday
Gusty southerly winds Tuesday afternoon and evening may become
hazardous for small craft along the North Shore near Grand
Portage and also along the South Shore
Winds become northwest and strengthen for Thursday. Hazardous
conditions could redevelop each day from Friday through next
Sunday. Small Craft Advisories may be needed each day.
$$
BJH
More information may be obtained at the following web address:
http://www.weather.gov/duluth
Hazardous Weather Outlook
National Weather Service Duluth MN
1055 AM CDT Mon Sep 28 2026
MNZ010-011-018-019-025-026-033-034-291600-
Koochiching-North St. Louis-North Itasca-Central St. Louis-
North Cass-South Itasca-South Cass-Crow Wing-
1055 AM CDT Mon Sep 28 2026
This Hazardous Weather Outlook is for portions of northeast
Minnesota.
.DAY ONE...Today and Tonight
General thunderstorms are possible across north-central Minnesota
this evening and tonight.
.DAYS TWO THROUGH SEVEN...Tuesday through Sunday
Thunderstorms may also occur Tuesday. Occasional cloud-to-ground
lightning is the main threat from storms.
Cooler temperatures Thursday night through next weekend will pose
a risk of frost.
.SPOTTER INFORMATION STATEMENT...
Skywarn spotter activation will not be needed today or tonight.
$$
Hazardous Weather Outlook
National Weather Service Aberdeen SD
902 AM CDT Mon Sep 28 2026
MNZ039-046-SDZ006>008-011-018>023-033>037-045-048-051-291415-
Traverse-Big Stone-Brown-Marshall-Roberts-Day-Spink-Clark-Codington-
Grant-Hamlin-Deuel-Stanley-Sully-Hughes-Hyde-Hand-Jones-Lyman-
Buffalo-
902 AM CDT Mon Sep 28 2026 /802 AM MDT Mon Sep 28 2026/
This Hazardous Weather Outlook is for west central Minnesota,
central South Dakota and northeast South Dakota.
.DAY ONE...Today and tonight.
Thunderstorms are possible overnight into early Tuesday morning. No
widespread severe storms are expected, however, there is a potential
for a stronger storm or two with 1" hail and wind gusts up to 60 mph.
.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.
No hazardous weather is expected at this time.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.
$$
Hazardous Weather Outlook
National Weather Service La Crosse WI
642 AM CDT Mon Sep 28 2026
MNZ079-086-087-WIZ017-029-032>034-291545-
Wabasha-Dodge-Olmsted-Taylor-Clark-Buffalo-Trempealeau-Jackson-
642 AM CDT Mon Sep 28 2026
This Hazardous Weather Outlook is for portions of central
Wisconsin...north central Wisconsin and west central Wisconsin.
.DAY ONE...Today and Tonight
Patchy dense fog is ongoing this morning. Fog is reducing
visibility down to a quarter mile at times and is expected to last
through 9-10 AM this morning.
.DAYS TWO THROUGH SEVEN...Tuesday through Sunday
Heavy rainfall is possible Wednesday into Thursday which could
result in localized flooding and river rises. Flash flooding is
possible where showers and storms frequent.
.SPOTTER INFORMATION STATEMENT...
No action needed.
.EMERGENCY MANAGEMENT COORDINATION...
No webinar is scheduled.
$$
Hazardous Weather Outlook
National Weather Service Sioux Falls SD
515 AM CDT Mon Sep 28 2026
IAZ001>003-012>014-020>022-031-032-MNZ071-072-080-081-089-090-097-
098-NEZ013-014-SDZ038>040-050-052>071-291015-
Lyon-Osceola-Dickinson-Sioux-O`Brien-Clay-Plymouth-Cherokee-
Buena Vista-Woodbury-Ida-Lincoln-Murray-Cottonwood-Nobles-Jackson-
Pipestone-Rock-Dixon-Dakota-Beadle-Kingsbury-Brookings-Gregory-
Jerauld-Sanborn-Miner-Lake-Moody-Brule-Aurora-Davison-Hanson-McCook-
Minnehaha-Charles Mix-Douglas-Hutchinson-Turner-Bon Homme-Yankton-
Union-
515 AM CDT Mon Sep 28 2026
This Hazardous Weather Outlook is for northwest Iowa, west central
Iowa, southwest Minnesota, northeast Nebraska, central South
Dakota, east central South Dakota, south central South Dakota and
southeast South Dakota.
.DAY ONE...Today and tonight.
Patchy fog with visibility below a mile will impact portions of
southwest Minnesota and northwest Iowa into the morning commute.
Scattered thunderstorms will move from central South Dakota into
southeast South Dakota late tonight. Severe weather is not expected,
but brief heavy rain is possible.
.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.
Showers and a few non-severe thunderstorms will slowly advance east
to southeast across the region Tuesday. Additional rounds of showers
or isolated storms may become focused from Nebraska into Iowa Tuesday
night and Wednesday. Areas of heavy rain are possible from Tuesday
through early Thursday which could lead to localized flooding or
ponding of water.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.
$$
Hazardous Weather Outlook
National Weather Service Des Moines IA
426 AM CDT Mon Sep 28 2026
IAZ004>007-015>017-023>028-033>039-044>050-057>062-070>075-
081>086-092>097-290930-
Emmet-Kossuth-Winnebago-Worth-Palo Alto-Hancock-Cerro Gordo-
Pocahontas-Humboldt-Wright-Franklin-Butler-Bremer-Sac-Calhoun-
Webster-Hamilton-Hardin-Grundy-Black Hawk-Crawford-Carroll-Greene-
Boone-Story-Marshall-Tama-Audubon-Guthrie-Dallas-Polk-Jasper-
Poweshiek-Cass-Adair-Madison-Warren-Marion-Mahaska-Adams-Union-
Clarke-Lucas-Monroe-Wapello-Taylor-Ringgold-Decatur-Wayne-
Appanoose-Davis-
426 AM CDT Mon Sep 28 2026
This Hazardous Weather Outlook is for portions of central Iowa.
.DAY ONE...Today and tonight
Areas of fog has led to visibilities of two miles or less over
portions of Iowa. Expect conditions to improve by late-morning.
.DAYS TWO THROUGH SEVEN...Tuesday through Sunday
Chances for rain and thunderstorms are forecast from Tuesday
through at least Thursday. Heavy rainfall is possible in portions
of the state, which raises concerns for flash flooding and renewed
river rises. Severe storms are not expected at this time.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed.
&&
NWS Des Moines will discontinue the Hazardous Weather Outlook
product (HWO) on September 30th, 2026. Weather hazards and
outlooks will continue to be provided through the standard
forecast channels, including weather briefing packets, forecast
discussions, weather story graphics, the experimental graphical
hazardous weather outlook, and updated hazard messaging. All
local products and visual tools are accessible directly at
weather.gov/desmoines.
$$
Hazardous Weather Outlook
National Weather Service Grand Forks ND
337 AM CDT Mon Sep 28 2026
MNZ001>009-013>017-022>024-027>032-040-NDZ006>008-014>016-024-
026>030-038-039-049-052>054-290845-
West Polk-Norman-Clay-Kittson-Roseau-Lake Of The Woods-
West Marshall-East Marshall-North Beltrami-Pennington-Red Lake-
East Polk-North Clearwater-South Beltrami-Mahnomen-
South Clearwater-Hubbard-West Becker-East Becker-Wilkin-
West Otter Tail-East Otter Tail-Wadena-Grant-Towner-Cavalier-
Pembina-Benson-Ramsey-Eastern Walsh-Eddy-Nelson-Grand Forks-
Griggs-Steele-Traill-Barnes-Cass-Ransom-Sargent-Richland-
Western Walsh-
337 AM CDT Mon Sep 28 2026
This hazardous weather outlook is for portions of eastern North
Dakota, west central and northwest Minnesota.
.DAY ONE...Today and Tonight
Widespread rain anticipated to spread over the area today into
tonight. A few thunderstorms will occur as well, but no severe
weather. Band of heavy rain with amounts over 2 inches possible
over parts of east central North Dakota into northwest Minnesota
this afternoon thru tonight.
.DAYS TWO THROUGH SEVEN...Tuesday through Sunday
The probability for widespread hazardous weather is low.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not anticipated today.
$$
Hazardous Weather Outlook
National Weather Service Twin Cities/Chanhassen MN
303 AM CDT Mon Sep 28 2026
MNZ041>045-047>070-073>078-082>085-091>093-WIZ014>016-023>028-
290815-
Douglas-Todd-Morrison-Mille Lacs-Kanabec-Stevens-Pope-Stearns-
Benton-Sherburne-Isanti-Chisago-Lac Qui Parle-Swift-Chippewa-
Kandiyohi-Meeker-Wright-Hennepin-Anoka-Ramsey-Washington-
Yellow Medicine-Renville-McLeod-Sibley-Carver-Scott-Dakota-
Redwood-Brown-Nicollet-Le Sueur-Rice-Goodhue-Watonwan-Blue Earth-
Waseca-Steele-Martin-Faribault-Freeborn-Polk-Barron-Rusk-
St. Croix-Pierce-Dunn-Pepin-Eau Claire-
303 AM CDT Mon Sep 28 2026
This Hazardous Weather Outlook is for portions of central and
southern Minnesota, and west central Wisconsin.
.DAY ONE...Today and Tonight.
Dense fog with areas of near-zero visibility will persist through
the late morning.
.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.
Localized flooding is possible due to sustained rainfall on
Wednesday/Thursday, favoring southern Minnesota.
.SPOTTER INFORMATION STATEMENT...
SKYWARN spotter activation will not be needed.
$$
