Flood Warning
Flood Statement
National Weather Service La Crosse WI
1117 AM CDT Mon Sep 21 2026
...The Flood Warning continues for the following rivers in
Minnesota...
Root River Near Houston affecting Houston County.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Motorists should not attempt to drive around barricades or drive cars
through flooded areas.
Caution is urged when walking near riverbanks.
Additional river and weather information is available at
www.weather.gov/lacrosse.
The next statement will be issued late tonight by 230 AM CDT.
&&
MNC055-220730-
/O.EXT.KARX.FL.W.0049.000000T0000Z-260922T1200Z/
/HOUM5.1.ER.260920T2030Z.260921T1030Z.260922T0000Z.NO/
1117 AM CDT Mon Sep 21 2026
...FLOOD WARNING NOW IN EFFECT UNTIL TUESDAY MORNING...
* WHAT...Minor flooding is occurring and forecast to continue.
* WHERE...Root River near Houston.
* WHEN...Until Tuesday morning.
* IMPACTS...At 15.0 feet, Minor lowland flooding occurs.
* ADDITIONAL DETAILS...
- At 10:45 AM CDT Monday the stage was 15.5 feet.
- Bankfull stage is 15.0 feet.
- Recent Activity...The maximum river stage in the 24 hours ending
at 10:45 AM CDT Monday was 15.7 feet.
- Forecast...The river is expected to fall below flood stage this
evening and continue falling to 5.9 feet Monday, September 28.
- Flood stage is 15.0 feet.
- Flood History...This crest compares to a previous crest of 15.5
feet on 04/13/2001.
- http://www.weather.gov/safety/flood
&&
LAT...LON 4382 9173 4379 9145 4376 9145 4375 9167
4378 9173
$$
KDS
Frost Advisory
URGENT - WEATHER MESSAGE
National Weather Service Duluth MN
1259 PM CDT Mon Sep 21 2026
MNZ010>012-018-019-025-026-034>038-WIZ001>004-006>009-220600-
/O.NEW.KDLH.FR.Y.0010.260922T0500Z-260922T1300Z/
Koochiching-North St. Louis-Northern Cook and Lake-North Itasca-
Central St. Louis-North Cass-South Itasca-Crow Wing-Northern
Aitkin-South Aitkin-Carlton and South St. Louis-Pine-Douglas-
Bayfield-Ashland-Iron-Burnett-Washburn-Sawyer-Price-
Including the cities of Aitkin, Hibbing, Grand Rapids, Washburn, Hill
City, Hayward, Hinckley, Walker, Bayfield, Spooner, Pine City, Ely,
Isabella, Phillips, Bigfork, Grantsburg, Ashland, Hurley,
International Falls, Duluth, Brainerd, and Superior
1259 PM CDT Mon Sep 21 2026
...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM CDT
TUESDAY...
* WHAT...Temperatures as low as 34 will result in frost formation.
* WHERE...In Minnesota, Crow Wing, Northern Aitkin, Pine, South
Aitkin, Koochiching, North Cass, North Itasca, South Itasca,
Carlton and South St. Louis, Central St. Louis, North St. Louis,
and Northern Cook and Lake Counties. In Wisconsin, Price, Ashland,
Bayfield, Burnett, Douglas, Iron, Sawyer, and Washburn Counties.
* WHEN...From midnight tonight to 8 AM CDT Tuesday.
* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
* ADDITIONAL DETAILS...Advisory is for inland areas away from Lake
Superior.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Take steps now to protect tender plants from the cold.
&&
$$
For more information on Northland weather, visit
www.weather.gov/duluth
BJH
URGENT - WEATHER MESSAGE
National Weather Service Green Bay WI
1237 PM CDT Mon Sep 21 2026
WIZ005-010>012-018-220145-
/O.NEW.KGRB.FR.Y.0010.260922T0500Z-260922T1200Z/
Vilas-Oneida-Forest-Florence-Lincoln-
Including the cities of Rhinelander, Lac Du Flambeau, Commonwealth,
Spread Eagle, Aurora, Tomahawk, Crandon, Merrill, and Eagle River
1237 PM CDT Mon Sep 21 2026
...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 7 AM CDT
TUESDAY...
* WHAT...Temperatures as low as 33 will result in frost formation.
* WHERE...Lincoln, Oneida, Vilas, Florence, and Forest Counties.
* WHEN...From midnight tonight to 7 AM CDT Tuesday.
* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Take steps now to protect tender plants from the cold.
&&
$$
For more information, visit us at http://www.weather.gov/GreenBay
GK
Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Green Bay WI
232 PM CDT Mon Sep 21 2026
WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-221945-
Vilas-Oneida-Forest-Florence-Northern Marinette County-Lincoln-
Langlade-Menominee-Northern Oconto County-Door-Marathon-Shawano-
Wood-Portage-Waupaca-Outagamie-Brown-Kewaunee-Waushara-Winnebago-
Calumet-Manitowoc-Southern Marinette County-
Southern Oconto County-
232 PM CDT Mon Sep 21 2026
This Hazardous Weather Outlook is for north-central and northeast
Wisconsin.
.DAY ONE...Tonight
There is a high rip current risk on Lake Michigan beaches. A Beach
Hazard Statement is in effect.
Patchy frost will be possible over north-central Wisconsin late
tonight into early Tuesday morning. A Frost Advisory is in
effect.
.DAYS TWO THROUGH SEVEN...Tuesday through Monday
There is a high rip current risk through Tuesday afternoon along
Lake Michigan beaches.
Patchy frost will also be possible on Tuesday night across far
northern Wisconsin.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed tonight.
$$
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
153 PM CDT Mon Sep 21 2026
ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-221900-
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
153 PM CDT Mon Sep 21 2026 /253 PM EDT Mon Sep 21 2026/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Tonight.
Weather hazards expected...
High Swim Risk Lake Michigan Beaches.
DISCUSSION...
High waves and strong currents will lead to dangerous swimming
conditions at Lake Michigan beaches.
.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.
Tuesday and Wednesday...
High Swim Risk Lake Michigan Beaches.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
$$
Hazardous Weather Outlook
National Weather Service Duluth MN
101 PM CDT Mon Sep 21 2026
MNZ010>012-018>021-025-026-033>038-WIZ001>004-006>009-221815-
Koochiching-North St. Louis-Northern Cook/Northern Lake-
North Itasca-Central St. Louis-Southern Lake/North Shore-
Southern Cook/North Shore-North Cass-South Itasca-South Cass-
Crow Wing-Northern Aitkin-South Aitkin-Carlton/South St. Louis-
Pine-Douglas-Bayfield-Ashland-Iron-Burnett-Washburn-Sawyer-Price-
101 PM CDT Mon Sep 21 2026
This Hazardous Weather Outlook is for portions of northeast
Minnesota and northwest Wisconsin.
.DAY ONE...This afternoon and Tonight
Gusty northeast winds over the western arm of Lake Superior will
raise the potential for rip currents this afternoon and evening
for the beaches of the Twin Ports. Frost is expected tonight for
much of the Northland, where temperatures are expected to fall
near to a few degrees below freezing.
.DAYS TWO THROUGH SEVEN...Tuesday through Sunday
Gusty northeast winds over the western arm of Lake Superior will
raise the potential for rip currents Tuesday afternoon and
evening for the beaches of the Twin Ports.
Frost is possible each night Tuesday night through Wednesday
night, when temperatures are expected to dip into the 30s for
parts of the area.
.SPOTTER INFORMATION STATEMENT...
Skywarn spotter activation will not be needed this afternoon or
tonight.
$$
Hazardous Weather Outlook
National Weather Service Milwaukee/Sullivan WI
1255 PM CDT Mon Sep 21 2026
WIZ046-047-051-052-056>060-062>072-221800-
Marquette-Green Lake-Fond du Lac-Sheboygan-Sauk-Columbia-Dodge-
Washington-Ozaukee-Iowa-Dane-Jefferson-Waukesha-Milwaukee-
Lafayette-Green-Rock-Walworth-Racine-Kenosha-
1255 PM CDT Mon Sep 21 2026
This Hazardous Weather Outlook is for portions of east central
Wisconsin, south central Wisconsin and southeast Wisconsin.
.DAY ONE...This Afternoon and Tonight
High Swim Risk for all Lake Michigan beaches from Sheboygan to
Kenosha Counties, for gusty onshore winds and high waves. Life
threatening waves and currents are expected. Stay out of the
water, and away from dangerous areas like piers and breakwalls.
.DAYS TWO THROUGH SEVEN...Tuesday through Sunday
The High Swim Risk conditions continue into early Wednesday
evening.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed.
$$
Hazardous Weather Outlook
National Weather Service Des Moines IA
525 AM CDT Mon Sep 21 2026
IAZ004>007-015>017-023>028-033>039-044>050-057>062-070>075-
081>086-092>097-221030-
Emmet-Kossuth-Winnebago-Worth-Palo Alto-Hancock-Cerro Gordo-
Pocahontas-Humboldt-Wright-Franklin-Butler-Bremer-Sac-Calhoun-
Webster-Hamilton-Hardin-Grundy-Black Hawk-Crawford-Carroll-Greene-
Boone-Story-Marshall-Tama-Audubon-Guthrie-Dallas-Polk-Jasper-
Poweshiek-Cass-Adair-Madison-Warren-Marion-Mahaska-Adams-Union-
Clarke-Lucas-Monroe-Wapello-Taylor-Ringgold-Decatur-Wayne-
Appanoose-Davis-
525 AM CDT Mon Sep 21 2026
This Hazardous Weather Outlook is for portions of central Iowa.
.DAY ONE...Today and tonight
Patchy fog and light drizzle will linger through the day. Rain
showers and a few rumbles of thunder are possible at times.
.DAYS TWO THROUGH SEVEN...Tuesday through Sunday
Thunderstorms return Thursday and Friday.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed.
&&
NWS Des Moines will discontinue the Hazardous Weather Outlook
product (HWO) on September 30th, 2026. Weather hazards and
outlooks will continue to be provided through the standard
forecast channels, including weather briefing packets, forecast
discussions, weather story graphics, the experimental graphical
hazardous weather outlook, and updated hazard messaging. All
local products and visual tools are accessible directly at
weather.gov/desmoines.
$$
Hagenhoff
Hazardous Weather Outlook
National Weather Service Quad Cities IA IL
343 AM CDT Mon Sep 21 2026
IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-221100-
Buchanan-Delaware-Dubuque-Benton-Linn-Jones-Jackson-Iowa-Johnson-
Cedar-Clinton-Muscatine-Scott-Keokuk-Washington-Louisa-Jefferson-
Henry IA-Des Moines-Van Buren-Lee-Jo Daviess-Stephenson-Carroll-
Whiteside-Rock Island-Henry IL-Bureau-Putnam-Mercer-Henderson-
Warren-Hancock-McDonough-Scotland-Clark-
343 AM CDT Mon Sep 21 2026
This Hazardous Weather Outlook is for portions of north central
Illinois...northwest Illinois...west central Illinois...east
central Iowa...northeast Iowa...southeast Iowa and northeast
Missouri.
.DAY ONE...TODAY AND TONIGHT
With all the recent heavy rainfall and run off, several area
rivers and creeks are either experiencing significant rises, or
are already flooding. Many of the rising rivers, including
portions of the mainstem Mississippi River from the Quad Cities on
southward, will have the potential to rise near or above the
flood stage over the next several days. Please see the latest
Flood Statements and Flood Warnings for more details.
.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY
The probability for widespread hazardous weather is low.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed today or tonight.
$$
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