Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Northern Indiana
449 AM EDT Tue Jul 15 2025
INZ005>009-012>015-017-018-020-022>027-032>034-103-104-116-203-204-
216-MIZ078>081-177-277-OHZ001-002-004-005-015-016-024-025-160900-
Elkhart-Lagrange-Steuben-Noble-De Kalb-Starke-Pulaski-Marshall-
Fulton IN-Whitley-Allen IN-White-Cass IN-Miami-Wabash-Huntington-
Wells-Adams-Grant-Blackford-Jay-Northern La Porte-
Eastern St. Joseph IN-Northern Kosciusko-Southern La Porte-
Western St. Joseph IN-Southern Kosciusko-Cass MI-St. Joseph MI-
Branch-Hillsdale-Northern Berrien-Southern Berrien-Williams-
Fulton OH-Defiance-Henry-Paulding-Putnam-Van Wert-Allen OH-
449 AM EDT Tue Jul 15 2025 /349 AM CDT Tue Jul 15 2025/
This Hazardous Weather Outlook is for northern Indiana, southwest
Michigan and northwest Ohio.
.DAY ONE...Today and tonight.
An isolated thunderstorm is possible late this afternoon south of US
Route 24 across northern Indiana. There is a better chance of a few
thunderstorms tonight, mainly along and east of Interstate 69 across
northern Indiana and northwest Ohio. Severe weather is not expected
today or tonight.
Dangerous swimming conditions are possible Thursday afternoon into
early Friday across southeast Lake Michigan beaches. North winds are
expected to develop behind a cold front leading to building waves.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
Periodic chances of showers and thunderstorms are expected for much
of this period. Current indications suggest the greatest potential of
storms will be Wednesday night into Thursday, and then again some
time in the Saturday and Sunday period. There is a Marginal Risk of
severe storms for Wednesday night, mainly for a threat of isolated
strong wind gusts. Some locally heavy rainfall is possible
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.
$$
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
426 AM CDT Tue Jul 15 2025
ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-160930-
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-
426 AM CDT Tue Jul 15 2025 /526 AM EDT Tue Jul 15 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 south of I-80.
DISCUSSION...
Widely scattered thunderstorms are expected this afternoon into
early this evening. Where there is a slight chance of
thunderstorms as far north as I-80, the greatest coverage of
storms will likely be near and south of Highway 24.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
Wednesday afternoon and evening...
Elevated Thunderstorm Risk...with an associated:
Level 2 of 5 Severe Thunderstorm Risk.
Elevated Flooding Risk.
Limited Excessive Heat Risk.
Thursday...
Limited Thunderstorm Risk south of I-80.
Limited Flooding Risk well south of I-80.
Saturday...
Elevated Flooding Risk.
Limited Thunderstorm Risk.
Sunday and Monday...
Limited Thunderstorm Risk.
DISCUSSION...
Peak heat indices Wednesday afternoon are expected to be around
100 degrees.
Thunderstorms are likely Wednesday afternoon into Wednesday
evening, mainly across northern Illinois. There is the threat that
some of the storms could become severe, posing a risk of locally
damaging winds. In addition, thunderstorms will be capable of
producing torrential downpours which could lead localized flash
flooding.
There will be periodic bouts of showers and thunderstorms
Saturday through Monday. Any one of which could produce very heavy
rainfall and flooding.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
GENERAL STORM MOTION OF THE DAY:
Moving toward the northwest at around 20 mph.
$$
Hazardous Weather Outlook
National Weather Service Grand Rapids MI
458 AM EDT Tue Jul 15 2025
MIZ037>040-043>046-050>052-056>059-064>067-071>074-160900-
Mason-Lake-Osceola-Clare-Oceana-Newaygo-Mecosta-Isabella-Muskegon-
Montcalm-Gratiot-Ottawa-Kent-Ionia-Clinton-Allegan-Barry-Eaton-
Ingham-Van Buren-Kalamazoo-Calhoun-Jackson-
458 AM EDT Tue Jul 15 2025
This hazardous weather outlook is for portions of southwest Lower
Michigan.
.DAY ONE...Today and Tonight
Patchy fog will be possible this morning.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday
Thunderstorms will become possible Wednesday morning, and will
continue to be possible into Thursday. Some of the storms could
become locally strong to severe. Large hail to quarter sized, wind
gusts up to 60 mph, locally heavy rainfall, and lightning will be
the main threats.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will be possible Wednesday afternoon and
evening.
$$
Hazardous Weather Outlook
National Weather Service Indianapolis IN
345 AM EDT Tue Jul 15 2025
INZ021-028>031-035>049-051>057-060>065-067>072-160745-
Carroll-Warren-Tippecanoe-Clinton-Howard-Fountain-Montgomery-Boone-
Tipton-Hamilton-Madison-Delaware-Randolph-Vermillion-Parke-Putnam-
Hendricks-Marion-Hancock-Henry-Vigo-Clay-Owen-Morgan-Johnson-Shelby-
Rush-Sullivan-Greene-Monroe-Brown-Bartholomew-Decatur-Knox-Daviess-
Martin-Lawrence-Jackson-Jennings-
345 AM EDT Tue Jul 15 2025
This hazardous weather outlook is for central Indiana.
.DAY ONE...Today and Tonight.
Scattered to numerous thunderstorms will be across central Indiana,
mainly this afternoon and tonight. Severe storms are not expected.
Heavy rain and lightning are threats from any storm.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
Thunderstorms are likely at times this week.
Isolated strong to marginally severe storms are possible Wednesday
night, mainly across areas northwest of Indianapolis.
Otherwise, lightning and locally heavy rain will be the primary
threats with storms this week.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not anticipated.
&&
More information, along with other weather, hydrological and climate
information can be found at http://weather.gov/ind
$$
Hazardous Weather Outlook
National Weather Service Wilmington OH
302 AM EDT Tue Jul 15 2025
INZ050-058-059-066-073>075-080-KYZ089>098-OHZ026-034-035-042>046-
051>056-060>063-070>072-077>080-160715-
Wayne-Fayette-Union-Franklin-Ripley-Dearborn-Ohio-Switzerland-
Carroll-Gallatin-Boone-Kenton-Campbell-Owen-Grant-Pendleton-Bracken-
Robertson-Hardin-Mercer-Auglaize-Darke-Shelby-Logan-Delaware-Miami-
Champaign-Clark-Madison-Licking-Preble-Montgomery-Greene-Butler-
Warren-Clinton-Hamilton-Clermont-Brown-Highland-
302 AM EDT Tue Jul 15 2025
This Hazardous Weather Outlook is for east central Indiana,
southeast Indiana, northern Kentucky, central Ohio, south central
Ohio, southwest Ohio and west central Ohio.
.DAY ONE...Today and tonight.
There is a low probability for widespread hazardous weather.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
Several rounds of showers and storms are expected Wednesday through
Monday. These repeated episodes of heavy rain may lead to instances
of flash flooding.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.
$$
