Hazard Report Provided By forecast.weather.gov

Hazardous Weather Outlook
National Weather Service Green Bay WI
302 AM CDT Fri Apr 17 2026

WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-180815-
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-
302 AM CDT Fri Apr 17 2026

This Hazardous Weather Outlook is for north-central and northeast
Wisconsin.

.DAY ONE...Today and Tonight

Areas of dense fog will affect eastern Wisconsin through mid
morning. A Dense Fog Advisory is in effect for portions of east-
central and northeast Wisconsin.

Thunderstorms, some severe with locally heavy rain, will impact
the area this afternoon and evening. Hazards include large hail,
a few tornadoes, possibly strong, and damaging winds. The highest
threat is across central Wisconsin.

Flooding may occur with the storms, especially in urban areas,
and locations already impacted by heavy rain earlier in the week.

Flooding is expected to continue due to recent heavy rainfall,
especially near rivers, streams, and creeks.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

Flooding will continue on some area rivers and streams into next
week.

.SPOTTER INFORMATION STATEMENT...

Spotters are requested to report any flooding to the National
Weather Service in Green Bay.

$$

Flood Watch
National Weather Service Green Bay WI
309 AM CDT Fri Apr 17 2026

WIZ011>013-019>022-030-031-035>040-045-048>050-073-074-171800-
/O.CON.KGRB.FA.A.0004.260417T1800Z-260418T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Forest-Florence-Northern Marinette County-Langlade-Menominee-
Northern Oconto County-Door-Marathon-Shawano-Wood-Portage-Waupaca-
Outagamie-Brown-Kewaunee-Waushara-Winnebago-Calumet-Manitowoc-
Southern Marinette County-Southern Oconto County-
Including the cities of Wausaukee, Fish Creek, Appleton, New
Holstein, Neopit, Pensaukee, Stevens Point, Waupaca, Mountain,
Townsend, Niagara, Lakewood, Brookside, Middle Inlet, Harmony,
Antigo, Plover, Loomis, Peshtigo, Keshena, Green Bay, Little Suamico,
Crivitz, Two Rivers, Neenah, Aurora, New London, Clintonville,
Porterfield, High Falls Reservoir, Marshfield, Manitowoc, Sturgeon
Bay, Oconto, Commonwealth, Wausau, Kewaunee, Oshkosh, Sobieski,
Redgranite, Luxemburg, Wautoma, Menasha, Chilton, Brillion, Crandon,
Sister Bay, Spread Eagle, Wisconsin Rapids, and Shawano
309 AM CDT Fri Apr 17 2026

...FLOOD WATCH REMAINS IN EFFECT FROM 1 PM CDT THIS AFTERNOON THROUGH
SATURDAY MORNING...

* WHAT...Flooding caused by excessive rainfall continues to be
  possible.

* WHERE...Portions of central, east central, north central, and
  northeast Wisconsin, including the following areas, in central
  Wisconsin, Marathon, Portage, Waushara and Wood. In east central
  Wisconsin, Calumet, Manitowoc and Winnebago. In north central
  Wisconsin, Langlade. In northeast Wisconsin, Brown, Door, Florence,
  Forest, Kewaunee, Menominee, Northern Marinette County, Northern
  Oconto County, Outagamie, Shawano, Southern Marinette County,
  Southern Oconto County and Waupaca.

* WHEN...From 1 PM CDT this afternoon through Saturday morning.

* IMPACTS...Excessive runoff may result in flooding of rivers,
  creeks, streams, and other low-lying and flood-prone locations.

* ADDITIONAL DETAILS...
  - Thunderstorms will bring widespread rainfall of 0.50 to 1 inches
    with locally higher amounts of 2 to 3 inches possible Friday
    afternoon through Friday night. With saturated ground, this
    rainfall may lead to additional flooding.
  - 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.

&&

$$

GK

Hazard Report Provided By forecast.weather.gov