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Casco, WI Severe Weather Alertstar_ratehome

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Personal Weather Station
Location: Casco, WI
Elevation: 728ft
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Active Weather Alerts

Severe Thunderstorm Watch
Issued: 4:01 AM Apr. 14, 2026 – National Weather Service
SEVERE THUNDERSTORM WATCH 106 REMAINS VALID UNTIL 4 AM CDT
TUESDAY FOR THE FOLLOWING AREAS

THIS WATCH INCLUDES THE FOLLOWING ADJACENT COASTAL WATERS

STURGEON BAY TO TWO RIVERS WI
TWO RIVERS TO SHEBOYGAN WI
LAKE MICHIGAN FROM STURGEON BAY TO TWO RIVERS WI 5NM OFFSHORE TO
MID LAKE
LAKE MICHIGAN FROM TWO RIVERS TO SHEBOYGAN WI 5NM OFFSHORE TO MID
LAKE

Severe Thunderstorm Watch
Issued: 4:01 AM Apr. 14, 2026 – National Weather Service
SEVERE THUNDERSTORM WATCH 106 REMAINS VALID UNTIL 4 AM CDT
TUESDAY FOR THE FOLLOWING AREAS

IN WISCONSIN THIS WATCH INCLUDES 4 COUNTIES

IN EAST CENTRAL WISCONSIN

CALUMET               MANITOWOC

IN NORTHEAST WISCONSIN

BROWN                 KEWAUNEE

THIS INCLUDES THE CITIES OF ALASKA, DUNDAS, DUVALL, GREEN BAY,
KEWAUNEE, MANITOWOC, NORMAN, NORTHERN LAKE WINNEBAGO,
POINT BEACH STATE PARK, RANKIN, RIO CREEK, ROSTOK, SHOTO,
AND TWO RIVERS.

Flash Flood Warning
Issued: 3:54 AM Apr. 14, 2026 – National Weather Service
The National Weather Service in Green Bay has issued a

* Flash Flood Warning for...
Northern Calumet County in east central Wisconsin...
Manitowoc County in east central Wisconsin...
Northern Winnebago County in east central Wisconsin...
Southern Brown County in northeastern Wisconsin...
Kewaunee County in northeastern Wisconsin...
Southern Outagamie County in northeastern Wisconsin...

* Until 400 AM CDT.

* At 1054 PM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1 and 2 inches of rain
have fallen. Additional rainfall amounts of 1 to 2 inches are
possible in the warned area. Flash flooding is ongoing or expected
to begin shortly.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Radar indicated.

IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.

* Some locations that will experience flash flooding include...
Green Bay, Appleton, Manitowoc, Kewaunee, Menasha, Kaukauna, Little
Chute, Kimberly, Algoma, Brillion, Luxemburg, Denmark, Two Creeks,
Bellevue, High Cliff State Park, Darboy, Northern Lake Winnebago,
Central Lake Winnebago and Lake Poygan.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Be especially cautious at night when it is harder to recognize the
dangers of flooding.

Be aware of your surroundings and do not drive on flooded roads.

&&


FLASH FLOOD...RADAR INDICATED

Dense Fog Advisory
Issued: 3:39 AM Apr. 14, 2026 – National Weather Service
...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 7 AM CDT TUESDAY...
...SMALL CRAFT ADVISORY IS CANCELLED...

* WHAT...Dense fog will reduce visibility to under 1 NM.

* WHERE...Lake Michigan nearshore waters from Washington Island
to Sheboygan.

* WHEN...Until 7 AM CDT Tuesday.

* 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.

&&

Special Weather Statement
Issued: 3:35 AM Apr. 14, 2026 – National Weather Service
...STRONG THUNDERSTORMS WILL IMPACT BROWN...SOUTHWESTERN KEWAUNEE...
CALUMET...WINNEBAGO...SOUTHEASTERN WAUSHARA...OUTAGAMIE AND NORTHERN
MANITOWOC COUNTIES THROUGH 1130 PM CDT...

At 1034 PM CDT, Doppler radar was tracking a cluster of strong
thunderstorms along a line extending from 7 miles northeast of New
London to 11 miles east of Fremont to near Berlin to 8 miles north of
Montello. Movement was east at 40 mph.

HAZARD...Half inch hail and torrential rainfall.

SOURCE...Radar indicated.

IMPACT...Minor hail damage to vegetation is possible.

Strong thunderstorms will be near...
Black Creek around 1040 PM CDT.
Appleton, Menasha, and Northern Lake Winnebago around 1045 PM CDT.
Oshkosh, Little Chute, and Kimberly around 1050 PM CDT.
Kaukauna, Darboy, Rush Lake, and Central Lake Winnebago around
1055 PM CDT.
High Cliff State Park around 1105 PM CDT.
Green Bay around 1110 PM CDT.
Brillion and Bellevue around 1115 PM CDT.

Other locations impacted by these storms include Pickett, Butte Des
Morts, Curran, Wayside, Freedom, Borth, Zittau, Harbor Springs,
Allenville, and St John.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with these storms and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

A Severe Thunderstorm Watch remains in effect until 400 AM CDT for
central, northeastern and east central Wisconsin.

&&


MAX HAIL SIZE...0.50 IN;
MAX WIND GUST...<30 MPH

Flood Advisory
Issued: 3:21 AM Apr. 14, 2026 – National Weather Service
...FLOOD ADVISORY IN EFFECT UNTIL 415 AM CDT TUESDAY...

* WHAT...Flooding caused by excessive rainfall is expected.

* WHERE...Southern Portage County in central Wisconsin...
Waushara County in central Wisconsin...
Southern Wood County in central Wisconsin...
Calumet County in east central Wisconsin...
Manitowoc County in east central Wisconsin...
Winnebago County in east central Wisconsin...
Brown County in northeastern Wisconsin...
Kewaunee County in northeastern Wisconsin...
Outagamie County in northeastern Wisconsin...
Southern Waupaca County in northeastern Wisconsin...

* WHEN...Until 415 AM CDT.

* IMPACTS...Minor flooding in low-lying and poor drainage areas.

* ADDITIONAL DETAILS...
- At 1021 PM CDT, Doppler radar indicated heavy rain due to
thunderstorms. Minor flooding is ongoing or expected to begin
shortly in the advisory area. Between 0.5 and 1 inch of rain has
fallen.
- Some locations that will experience flooding include...
Green Bay, Appleton, Oshkosh, Manitowoc, Wisconsin Rapids,
Waupaca, Kewaunee, Wautoma, Menasha, Kaukauna, Little Chute, New
London, Kimberly, Chilton, Algoma, Brillion, Luxemburg,
Redgranite, Denmark and Cleveland.
- http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Be especially cautious at night when it is harder to recognize the
dangers of flooding.

&&



Flash Flood Warning
Issued: 3:01 AM Apr. 14, 2026 – National Weather Service
The National Weather Service in Green Bay has issued a

* Flash Flood Warning for...
Northern Brown County in northeastern Wisconsin...
Southern Door County in northeastern Wisconsin...
Northern Kewaunee County in northeastern Wisconsin...
Southern Oconto County in northeastern Wisconsin...
Northeastern Outagamie County in northeastern Wisconsin...

* Until 400 AM CDT.

* At 1001 PM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1 and 2 inches of rain
have fallen. Additional rainfall amounts of 0.5 to 1.5 inches are
possible in the warned area. Flash flooding is ongoing or expected
to begin shortly.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Radar indicated.

IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.

* Some locations that will experience flash flooding include...
Green Bay, Sturgeon Bay, Bay Shore Park, Pulaski, Algoma,
Luxemburg, Bellevue, Oneida, De Pere, Howard, Ashwaubenon, Allouez,
Suamico, Hobart, Little Suamico, Chase, Abrams, Pensaukee, Humboldt
and Brussels.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Be especially cautious at night when it is harder to recognize the
dangers of flooding.

Be aware of your surroundings and do not drive on flooded roads.

&&


FLASH FLOOD...RADAR INDICATED

Flood Watch
Issued: 10:34 PM Apr. 13, 2026 – National Weather Service
...FLOOD WATCH REMAINS IN EFFECT THROUGH TUESDAY 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 and Lincoln. In northeast Wisconsin, Brown,
Door, Kewaunee, Menominee, Northern Marinette County, Northern
Oconto County, Outagamie, Shawano, Southern Marinette County,
Southern Oconto County and Waupaca.

* WHEN...Through Tuesday morning.

* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Extensive street flooding will also be possible.

* ADDITIONAL DETAILS...
- Soils are saturated due to recent rainfall and rain across the
area this afternoon. Multiple rounds of thunderstorms continue to
develop across the watch area through this evening, and will
likely produce widespread additional rainfall amounts of 1 to
locally 2 inches, with locally higher amounts.
- 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.

&&

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