Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Northern Indiana
449 AM EDT Sun Apr 20 2025
LMZ043-046-210900-
New Buffalo MI to St Joseph MI-Michigan City IN to New Buffalo MI-
449 AM EDT Sun Apr 20 2025
This Hazardous Weather Outlook is for the nearshore waters of
southeastern Lake Michigan.
.DAY ONE...Today and tonight.
Conditions hazardous for small craft are anticipated Sunday evening
through Monday.
.DAYS TWO THROUGH SEVEN...Monday through Saturday.
Conditions hazardous for small craft are anticipated through Monday.
$$
Hazardous Weather Outlook
National Weather Service Wilmington OH
109 PM EDT Sun Apr 20 2025
INZ050-058-059-066-073>075-080-KYZ089>098-OHZ042-060-061-070-071-077-
078-211715-
Wayne-Fayette-Union-Franklin-Ripley-Dearborn-Ohio-Switzerland-
Carroll-Gallatin-Boone-Kenton-Campbell-Owen-Grant-Pendleton-Bracken-
Robertson-Darke-Preble-Montgomery-Butler-Warren-Hamilton-Clermont-
109 PM EDT Sun Apr 20 2025
This Hazardous Weather Outlook is for east central Indiana,
southeast Indiana, northern Kentucky, southwest Ohio and west
central Ohio.
.DAY ONE...This afternoon and tonight.
Scattered showers and storms are likely late this evening. A few
isolated strong to severe storms cannot be ruled out, with large hail
being the primary threat.
.DAYS TWO THROUGH SEVEN...Monday through Saturday.
There is a low probability for widespread hazardous weather.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.
$$
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
420 AM CDT Sun Apr 20 2025
ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-210930-
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-
420 AM CDT Sun Apr 20 2025 /520 AM EDT Sun Apr 20 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Today and Tonight.
Weather hazards expected...
Limited Thunderstorm Risk tonight...with an associated:
Level 1 of 5 Damaging Wind Risk...up to 60 mph.
DISCUSSION...
A cold front will bring widespread showers and embedded
thunderstorms late this evening through tonight. While widespread
severe weather is not expected, stronger storms will have the
potential to generate locally gusty winds especially south of
I-80.
.DAYS TWO THROUGH SEVEN...Monday through Saturday.
Monday...
Limited Non Thunderstorm Wind Risk.
Tuesday night...
Limited Thunderstorm Risk.
Friday...
Limited Thunderstorm Risk.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
GENERAL STORM MOTION OF THE DAY:
Moving toward the east-northeast at 45 to 50 mph.
$$
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
420 AM CDT Sun Apr 20 2025
LMZ740>745-210930-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
420 AM CDT Sun Apr 20 2025
This Hazardous Weather Outlook is for portions of the Illinois
nearshore waters of Lake Michigan and the Indiana nearshore
waters of Lake Michigan.
.DAY ONE...Today and Tonight.
Weather hazards expected...
Hazardous conditions for small craft tonight.
Limited Thunderstorm Risk tonight.
.DAYS TWO THROUGH SEVEN...Monday through Saturday.
Monday...
Gale force winds and very hazardous waves.
Tuesday night...
Limited Thunderstorm Risk.
Friday and Saturday...
Hazardous conditions for small craft are likely.
$$
Yack
Visit us at www.weather.gov/chicago
Hazardous Weather Outlook
National Weather Service Milwaukee/Sullivan WI
341 AM CDT Sun Apr 20 2025
LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-210845-
Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to
mid-line of lake.-
Lake Michigan from Seul Choix Point to Rock Island Passage 5NM
offshore to Mid Lake-
Lake Michigan South of a line from Seul Choix Point to the
Mackinac Bridge and North of a line from Charlevoix MI to South
Fox Island 5NM offshore-
Lake Michigan from Charlevoix to Point Betsie MI 5NM Offshore to
mid lake-
Lake Michigan from Point Betsie to Manistee MI 5NM offshore to
Mid Lake-
Lake Michigan from Rock Island Passage to Sturgeon Bay WI 5NM
offshore to mid lake-
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-
Lake Michigan from Sheboygan to Port Washington WI 5NM offshore
to Mid Lake-
Lake Michigan from Port Washington to North Point Light WI 5NM
offshore to Mid Lake-
Lake Michigan from North Point Light to Wind Point WI 5NM
offshore to Mid Lake-
Lake Michigan from Wind Point WI to Winthrop Harbor IL 5NM
offshore to Mid Lake-
Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5NM
offshore to Mid Lake-
Lake Michigan from Wilmette Harbor to Michigan City in 5NM
offshore to Mid Lake-
Lake Michigan from Pentwater to Manistee MI 5NM offshore to Mid
Lake-
Lake Michigan from Whitehall to Pentwater MI 5NM offshore to Mid
Lake-
Lake Michigan from Grand Haven to Whitehall MI 5NM offshore to
Mid Lake-
Lake Michigan from Holland to Grand Haven MI 5NM offshore to Mid
Lake-
Lake Michigan from South Haven to Holland MI 5NM offshore to Mid
lake-
Lake Michigan from St Joseph to South Haven MI 5NM offshore to
Mid Lake-
341 AM CDT Sun Apr 20 2025
This Hazardous Weather Outlook is for the open waters of Lake Michigan.
.DAY ONE...Today and Tonight
A few thunderstorms possible for southern half of Lake Michigan
this evening/tonight.
.DAYS TWO THROUGH SEVEN...Monday through Saturday
Gusts to 30 knots are expected Monday with a few brief gale force
gusts possible.
$$
www.weather.gov/mkx
Hazardous Weather Outlook
National Weather Service Grand Rapids MI
420 AM EDT Sun Apr 20 2025
LMZ844>849-210830-
St Joseph to South Haven MI-South Haven to Holland MI-
Holland to Grand Haven MI-Grand Haven to Whitehall MI-
Whitehall to Pentwater MI-Pentwater to Manistee MI-
420 AM EDT Sun Apr 20 2025
This hazardous weather outlook is for the nearshore waters from
St Joseph to Manistee.
.DAY ONE...Today and Tonight
Conditions will be hazardous to small craft after midnight.
.DAYS TWO THROUGH SEVEN...Monday through Saturday
Conditions will be hazardous for mariners on Monday and Monday
night.
$$
Hazardous Weather Outlook
National Weather Service Detroit/Pontiac MI
417 AM EDT Sun Apr 20 2025
MIZ047>049-053>055-060>063-068>070-075-076-082-083-210830-
Midland-Bay-Huron-Saginaw-Tuscola-Sanilac-Shiawassee-Genesee-Lapeer-
St. Clair-Livingston-Oakland-Macomb-Washtenaw-Wayne-Lenawee-Monroe-
417 AM EDT Sun Apr 20 2025
This hazardous weather outlook is for southeast Michigan.
.DAY ONE...Today and Tonight
There is a slight chance of non-severe thunderstorms late tonight as
a warm front lifts into the region.
.DAYS TWO THROUGH SEVEN...Monday through Saturday
There is a slight chance of non-severe thunderstorms through early
Monday afternoon as cold frontal boundary tracks across the region.
Turning windy Monday afternoon and evening, with southwest gusts in
excess of 35 mph expected.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed today and tonight.
$$
Hazardous Weather Outlook
National Weather Service Indianapolis IN
348 AM EDT Sun Apr 20 2025
INZ021-028>031-035>049-051>057-060>065-067>072-211000-
Carroll-Warren-Tippecanoe-Clinton-Howard-Fountain-Montgomery-Boone-
Tipton-Hamilton-Madison-Delaware-Randolph-Vermillion-Parke-Putnam-
Hendricks-Marion-Hancock-Henry-Vigo-Clay-Owen-Morgan-Johnson-Shelby-
Rush-Sullivan-Greene-Monroe-Brown-Bartholomew-Decatur-Knox-Daviess-
Martin-Lawrence-Jackson-Jennings-
348 AM EDT Sun Apr 20 2025
This hazardous weather outlook is for central Indiana.
.DAY ONE...Today and Tonight.
Thunderstorms are possible overnight. Lightning and brief heavy
rain and gusty winds will be the main threats.
.DAYS TWO THROUGH SEVEN...Monday through Saturday.
Isolated thunderstorms are possible Monday. Severe weather is not
expected, although brief heavy rain is possible.
Thunderstorms are possible Thursday through Friday night. Severe
thunderstorms are not expected at this time.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not anticipated.
&&
More information, along with other weather, hydrological and climate
information can be found at http://weather.gov/ind
$$
