Flood Watch
Flood Watch
National Weather Service Milwaukee/Sullivan WI
907 PM CDT Thu Sep 17 2026
WIZ056-057-062-063-067>069-181500-
/O.NEW.KMKX.FA.A.0007.260919T0600Z-260919T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Sauk-Columbia-Iowa-Dane-Lafayette-Green-Rock-
Including the cities of Reedsburg, Lake Wisconsin, Darlington,
Barneveld, Brodhead, Baraboo, Mineral Point, Beloit, Sauk City,
Janesville, Madison, Lodi, Belmont, Blanchardville, Portage,
Shullsburg, Benton, Monroe, Dodgeville, Columbus, Argyle, and Prairie
Du Sac
907 PM CDT Thu Sep 17 2026
...FLOOD WATCH IN EFFECT FROM LATE FRIDAY NIGHT INTO SATURDAY
AFTERNOON...
* WHAT...Flooding and flash flooding caused by excessive rainfall are
possible.
* WHERE...A portion of south central Wisconsin, including the
following counties, Columbia, Dane, Green, Iowa, Lafayette, Rock
and Sauk.
* WHEN...From late Friday night into Saturday afternoon.
* IMPACTS...Excessive runoff may result in flooding and flash
flooding of rivers, creeks, streams, and other low-lying and
flood-prone locations.
* ADDITIONAL DETAILS...
- Widespread and prolonged showers & storms will bring rain
accumulations of 1-3 inches. Higher totals in the 3-5+ inch range
will be possible in areas where storms track repeatedly.
- http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be alert for possible Flood &
Flash Flood Warnings. Those living in areas prone to flooding should
be prepared to take action should flooding develop.
&&
$$
QUIGLEY
Flood Watch
National Weather Service Twin Cities/Chanhassen MN
829 PM CDT Thu Sep 17 2026
MNZ093-181330-
/O.NEW.KMPX.FA.A.0005.260919T0000Z-260919T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Freeborn-
Including the cities of Albert Lea
829 PM CDT Thu Sep 17 2026
...FLOOD WATCH IN EFFECT FROM FRIDAY EVENING THROUGH SATURDAY
MORNING...
* WHAT...Flooding caused by excessive rainfall is possible.
* WHERE...A portion of south central Minnesota, including the
following county, Freeborn.
* WHEN...From Friday evening through Saturday morning.
* IMPACTS...Creeks and streams may rise out of their banks. Flooding
may occur in poor drainage and urban areas.
* ADDITIONAL DETAILS...
- Multiple rounds of rain possible on Friday with multiple inches
or rain possible which could lead to flooding in low lying rural
and urban areas.
- http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be alert for possible Flood
Warnings. Those living in areas prone to flooding should be prepared
to take action should flooding develop.
&&
$$
NDC
Flood Watch
National Weather Service La Crosse WI
808 PM CDT Thu Sep 17 2026
IAZ008>011-MNZ086>088-094>096-WIZ041-042-053>055-061-181315-
/O.NEW.KARX.FA.A.0009.260919T0000Z-260919T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Mitchell-Howard-Winneshiek-Allamakee-Dodge-Olmsted-Winona-Mower-
Fillmore-Houston-La Crosse-Monroe-Vernon-Crawford-Richland-Grant-
Including the cities of Dodge Center, Winona, Richland Center,
Platteville, Sparta, Prairie Du Chien, Rochester, Waukon, Tomah,
Preston, Viroqua, La Crosse, Caledonia, Decorah, Austin, Osage, and
Cresco
808 PM CDT Thu Sep 17 2026
...FLOOD WATCH IN EFFECT FROM FRIDAY EVENING THROUGH SATURDAY
AFTERNOON...
* WHAT...Flooding caused by excessive rainfall is possible.
* WHERE...In northeast Iowa, Allamakee, Howard, Mitchell and
Winneshiek Counties. In southeast Minnesota, Dodge, Fillmore,
Houston, Mower, Olmsted and Winona Counties. In Wisconsin,
Crawford, Grant, La Crosse, Monroe, Richland and Vernon Counties.
* WHEN...From Friday evening through Saturday afternoon.
* IMPACTS...Creeks and streams may rise out of their banks. Flooding
may occur in poor drainage and urban areas.
* ADDITIONAL DETAILS...
- Widespread rain is expected to develop across the region Friday
afternoon and continue into the day Saturday. Some locations may
see multiple inches of rainfall, particularly along and south of
Interstate 90 and north of Highway 18.
- http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be alert for possible Flood
Warnings. Those living in areas prone to flooding should be prepared
to take action should flooding develop.
&&
$$
APF
Special Weather Statement
Special Weather Statement
National Weather Service Green Bay WI
1027 PM CDT Thu Sep 17 2026
WIZ005-010>012-018-019-180800-
Vilas-Oneida-Forest-Florence-Lincoln-Langlade-
1027 PM CDT Thu Sep 17 2026
...PATCHY FOG OVER NORTH-CENTRAL WISCONSIN MAY IMPACT
TRAVEL OVERNIGHT...
Patchy fog had developed across portions of north-central
Wisconsin. The fog was locally dense in a few spots,
with visibilities around 1/4 mile or less.
If you plan to travel overnight, be alert for rapidly
changing visibilities. If you encounter dense fog, slow
down and use your low beam headlights.
$$
Eckberg
Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Milwaukee/Sullivan WI
1219 AM CDT Fri Sep 18 2026
WIZ046-047-051-052-056>060-062>072-190530-
Marquette-Green Lake-Fond du Lac-Sheboygan-Sauk-Columbia-Dodge-
Washington-Ozaukee-Iowa-Dane-Jefferson-Waukesha-Milwaukee-
Lafayette-Green-Rock-Walworth-Racine-Kenosha-
1219 AM CDT Fri Sep 18 2026
This Hazardous Weather Outlook is for portions of east central
Wisconsin, south central Wisconsin and southeast Wisconsin.
.DAY ONE...Tonight
Pockets of fog are possible into the predawn hours.
.DAYS TWO THROUGH SEVEN...Friday through Thursday
Widespread showers and thunderstorms are expected Friday night and
Saturday morning. Heavy rainfall of 1 to 3 inches and locally
more is forecast. Urban and small stream flooding or isolated
flash flooding is possible. A Flood Watch is now in effect for
parts of southwest Wisconsin. Additional rain may occur Saturday
night into early next week especially toward the Illinois border.
A High Swim Risk and Beach Hazards Statement is in effect Friday
morning into the early afternoon for Milwaukee, Racine and Kenosha
Counties. Afterward, a prolonged period of moderate to high swim
risk conditions is expected Friday night through the beginning of
next week at all Lake Michigan beaches. Additional Beach Hazards
Statements are likely.
Prolonged periods of elevated waves could cause areas of lakeshore
flooding & beach erosion early next week.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed but rainfall reports are
appreciated.
$$
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
929 PM CDT Thu Sep 17 2026
ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-190230-
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
929 PM CDT Thu Sep 17 2026 /1029 PM EDT Thu Sep 17 2026/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Tonight.
Weather hazards expected...
Limited Thunderstorm Risk south of I-80.
DISCUSSION...
A few isolated thunderstorms couldn`t be ruled out south of I-80
overnight. Most of the area will remain dry tonight.
.DAYS TWO THROUGH SEVEN...Friday through Wednesday.
Friday...
High Swim Risk Illinois Beaches.
Friday night...
Elevated Flooding Risk.
Limited Thunderstorm Risk.
High Swim Risk Illinois Beaches.
Saturday...
Elevated Flooding Risk.
Limited Thunderstorm Risk...with an associated:
Level 1 of 5 Severe Thunderstorm Risk.
High Swim Risk Illinois Beaches.
Sunday and Monday...
Limited to Elevated Flooding Risk.
Limited Thunderstorm Risk.
High Swim Risk Lake Michigan Beaches.
DISCUSSION...
Additional episodes of showers and storms are expected in the
general area this weekend. Repeated rounds of torrential rainfall
may lead to instances of flash flooding, as well as river rises
into next week.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
GENERAL STORM MOTION OF THE DAY:
Moving toward the east-southeast at 25 to 30 mph.
$$
Hazardous Weather Outlook
National Weather Service Green Bay WI
914 PM CDT Thu Sep 17 2026
WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-190215-
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-
914 PM CDT Thu Sep 17 2026
This Hazardous Weather Outlook is for north-central and northeast
Wisconsin.
.DAY ONE...Tonight
Patchy fog may restrict visibilities for motorist tonight
across northern Wisconsin. The fog may be locally dense
with a visibility around 1/4 mile or less in a few spots.
.DAYS TWO THROUGH SEVEN...Friday through Thursday
Any lingering fog should burn off by mid-morning on Friday.
Heavy rainfall is likely over central and east-central Wisconsin
Friday afternoon into Saturday. Localized flooding will be
possible.
Chances of thunderstorms are possible late Friday afternoon into
Saturday morning. The risk of severe weather is low.
There will be an increased risk of rip currents along Lake
Michigan beaches from Friday night through the weekend.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed tonight.
$$
Hazardous Weather Outlook
National Weather Service Des Moines IA
241 PM CDT Thu Sep 17 2026
IAZ004>007-015>017-023>028-033>039-044>050-057>062-070>075-
081>086-092>097-181945-
Emmet-Kossuth-Winnebago-Worth-Palo Alto-Hancock-Cerro Gordo-
Pocahontas-Humboldt-Wright-Franklin-Butler-Bremer-Sac-Calhoun-
Webster-Hamilton-Hardin-Grundy-Black Hawk-Crawford-Carroll-Greene-
Boone-Story-Marshall-Tama-Audubon-Guthrie-Dallas-Polk-Jasper-
Poweshiek-Cass-Adair-Madison-Warren-Marion-Mahaska-Adams-Union-
Clarke-Lucas-Monroe-Wapello-Taylor-Ringgold-Decatur-Wayne-
Appanoose-Davis-
241 PM CDT Thu Sep 17 2026
This Hazardous Weather Outlook is for portions of central Iowa.
.DAY ONE...This afternoon and tonight
Fog may develop again tonight, which may result in periods of
reduced visibility.
.DAYS TWO THROUGH SEVEN...Friday through Wednesday
Chances for thunderstorms and perhaps a strong storm with hail,
gusty winds, and heavy rainfall continue each day into the
weekend. Flash flooding and river flooding will also be concerns.
A low potential also exists for a few tornadoes Friday evening.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not needed at this time.
&&
NWS Des Moines will discontinue the Hazardous Weather Outlook
product (HWO) on September 30th, 2026. Weather hazards and
outlooks will continue to be provided through the standard
forecast channels, including weather briefing packets, forecast
discussions, weather story graphics, the experimental graphical
hazardous weather outlook, and updated hazard messaging. All
local products and visual tools are accessible directly at
weather.gov/desmoines.
$$
Hazardous Weather Outlook
National Weather Service Twin Cities/Chanhassen MN
230 PM CDT Thu Sep 17 2026
MNZ054-056-064-065-067-073>076-082>085-091>093-181930-
Lac Qui Parle-Chippewa-Yellow Medicine-Renville-Sibley-Redwood-
Brown-Nicollet-Le Sueur-Watonwan-Blue Earth-Waseca-Steele-Martin-
Faribault-Freeborn-
230 PM CDT Thu Sep 17 2026
This Hazardous Weather Outlook is for portions of central
Minnesota...south central Minnesota...southwest Minnesota and
west central Minnesota.
.DAY ONE...Tonight.
Scattered thunderstorms will move in after midnight. The severe
weather risk is low, but some storms could produce heavy rain.
.DAYS TWO THROUGH SEVEN...Friday through Wednesday.
Heavy rain will continue Friday into early Saturday morning. The
heaviest rainfall amounts in excess of 3-4 inches are expected
along I-90. Localized flooding is possible, especially in urban
areas.
.SPOTTER INFORMATION STATEMENT...
SKYWARN spotter activation will not be needed, but rainfall
reports are appreciated.
$$
