Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
943 PM CDT Fri May 30 2025
ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-010245-
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-
943 PM CDT Fri May 30 2025 /1043 PM EDT Fri May 30 2025/
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 late in the evening.
DISCUSSION...
Isolated thunderstorms are possible near Lake Michigan late this
evening with lightning strikes and locally gusty winds being the
main hazards through midnight CDT.
.DAYS TWO THROUGH SEVEN...Saturday through Thursday.
Tuesday and Wednesday...
Limited Thunderstorm Risk.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
GENERAL STORM MOTION OF THE DAY:
Moving toward the southeast at 45 mph.
$$
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
943 PM CDT Fri May 30 2025
LMZ740>745-010245-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
943 PM CDT Fri May 30 2025
This Hazardous Weather Outlook is for portions of the Illinois
nearshore waters of Lake Michigan and the Indiana nearshore
waters of Lake Michigan.
.DAY ONE...Tonight.
Weather hazards expected...
Limited Thunderstorm Risk late in the evening.
.DAYS TWO THROUGH SEVEN...Saturday through Thursday.
Tuesday and Wednesday...
Limited Thunderstorm Risk.
$$
Petr
Visit us at www.weather.gov/chicago
Hazardous Weather Outlook
National Weather Service Quad Cities IA IL
401 AM CDT Sat May 31 2025
IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-010915-
Buchanan-Delaware-Dubuque-Benton-Linn-Jones-Jackson-Iowa-Johnson-
Cedar-Clinton-Muscatine-Scott-Keokuk-Washington-Louisa-Jefferson-
Henry IA-Des Moines-Van Buren-Lee-Jo Daviess-Stephenson-Carroll-
Whiteside-Rock Island-Henry IL-Bureau-Putnam-Mercer-Henderson-
Warren-Hancock-McDonough-Scotland-Clark-
401 AM CDT Sat May 31 2025
This Hazardous Weather Outlook is for portions of north central
Illinois...northwest Illinois...west central Illinois...east
central Iowa...northeast Iowa...southeast Iowa and northeast
Missouri.
.DAY ONE...TODAY AND TONIGHT
Smoke aloft from Canadian wildfires will remain over the area.
Some of the smoke may mix down to the surface and lead to minor
reductions in air quality.
.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY
Occasional rounds of showers and thunderstorms are likely Tuesday
into Tuesday night. It is too early to assess the risk for severe
weather.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed today or tonight.
$$
Uttech
Hazardous Weather Outlook
National Weather Service Northern Indiana
443 AM EDT Sat May 31 2025
INZ103-MIZ177-277-010845-
Northern La Porte-Northern Berrien-Southern Berrien-
443 AM EDT Sat May 31 2025 /343 AM CDT Sat May 31 2025/
This Hazardous Weather Outlook is for northern Indiana and
southwest Michigan.
.DAY ONE...Today and tonight.
There is a moderate swim risk at Lake Michigan beaches along La Porte
and Berrien County today. A moderate risk means that breaking waves
and currents are expected.
.DAYS TWO THROUGH SEVEN...Sunday through Friday.
No hazardous weather is expected at this time.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.
$$
Hazardous Weather Outlook
National Weather Service Milwaukee/Sullivan WI
323 AM CDT Sat May 31 2025
WIZ046-047-051-052-056>060-062>072-010830-
Marquette-Green Lake-Fond du Lac-Sheboygan-Sauk-Columbia-Dodge-
Washington-Ozaukee-Iowa-Dane-Jefferson-Waukesha-Milwaukee-
Lafayette-Green-Rock-Walworth-Racine-Kenosha-
323 AM CDT Sat May 31 2025
This Hazardous Weather Outlook is for portions of east central
Wisconsin, south central Wisconsin and southeast Wisconsin.
.DAY ONE...Today and Tonight
An Air Quality Advisory from the Wisconsin Department of Natural
Resources remains in effect for all of southern Wisconsin until 6
AM CDT this morning. This is for the PM 2.5 AQI due to wildfire
smoke, which is expected to reach the Unhealthy category for the
Sensitive Groups level.
.DAYS TWO THROUGH SEVEN...Sunday through Friday
There are chances for thunderstorms at times toward the middle of
next week.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed this weekend.
$$
Hazardous Weather Outlook
National Weather Service Grand Rapids MI
403 AM EDT Sat May 31 2025
LMZ844>849-010815-
St Joseph to South Haven MI-South Haven to Holland MI-
Holland to Grand Haven MI-Grand Haven to Whitehall MI-
Whitehall to Pentwater MI-Pentwater to Manistee MI-
403 AM EDT Sat May 31 2025
This hazardous weather outlook is for the nearshore waters from
St Joseph to Manistee.
.DAY ONE...Today and Tonight
North winds may approach Small Craft Advisory conditions this
afternoon.
.DAYS TWO THROUGH SEVEN...Sunday through Friday
Winds and waves will be hazardous to small craft Monday night into
Wednesday.
Thunderstorms will be possible Tuesday night through Friday.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed.
$$
Hazardous Weather Outlook
National Weather Service Grand Rapids MI
403 AM EDT Sat May 31 2025
MIZ037>040-043>046-050>052-056>059-064>067-071>074-010815-
Mason-Lake-Osceola-Clare-Oceana-Newaygo-Mecosta-Isabella-Muskegon-
Montcalm-Gratiot-Ottawa-Kent-Ionia-Clinton-Allegan-Barry-Eaton-
Ingham-Van Buren-Kalamazoo-Calhoun-Jackson-
403 AM EDT Sat May 31 2025
This hazardous weather outlook is for portions of southwest Lower
Michigan.
.DAY ONE...Today and Tonight
Patchy frost is possible tonight mainly along and north of US-10
and in low lying areas.
.DAYS TWO THROUGH SEVEN...Sunday through Friday
Thunderstorms will be possible Tuesday night through Friday.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed.
$$
Hazardous Weather Outlook
National Weather Service Indianapolis IN
300 AM EDT Sat May 31 2025
INZ021-028>031-035>049-051>057-060>065-067>072-011000-
Carroll-Warren-Tippecanoe-Clinton-Howard-Fountain-Montgomery-Boone-
Tipton-Hamilton-Madison-Delaware-Randolph-Vermillion-Parke-Putnam-
Hendricks-Marion-Hancock-Henry-Vigo-Clay-Owen-Morgan-Johnson-Shelby-
Rush-Sullivan-Greene-Monroe-Brown-Bartholomew-Decatur-Knox-Daviess-
Martin-Lawrence-Jackson-Jennings-
300 AM EDT Sat May 31 2025
This hazardous weather outlook is for central Indiana.
.DAY ONE...Today and Tonight.
Isolated thunderstorms are possible this afternoon over the lower
Wabash Valley. Lightning is a threat with any thunderstorm.
.DAYS TWO THROUGH SEVEN...Sunday through Friday.
Scattered thunderstorms are possible for the second half of next
week.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not anticipated.
&&
More information, along with other weather, hydrological and climate
information can be found at http://weather.gov/ind
$$
Ryan
Hazardous Weather Outlook
National Weather Service Lincoln IL
519 PM CDT Fri May 30 2025
ILZ027>031-036>038-040>044-047>056-061>063-066>068-071>073-312230-
Knox-Stark-Peoria-Marshall-Woodford-Fulton-Tazewell-McLean-Schuyler-
Mason-Logan-De Witt-Piatt-Cass-Menard-Scott-Morgan-Sangamon-
Christian-Macon-Moultrie-Douglas-Coles-Shelby-Cumberland-Clark-
Effingham-Jasper-Crawford-Clay-Richland-Lawrence-
519 PM CDT Fri May 30 2025
This Hazardous Weather Outlook is for central Illinois, east
central Illinois, southeast Illinois and west central Illinois.
.DAY ONE...Tonight.
Smoke from Canadian wildfires has spread into the Midwest, with some
of it being drawn to the surface. This will result in deteriorating
air quality, which may impact some people that are unusually
sensitive to air pollution.
.DAYS TWO THROUGH SEVEN...Saturday through Thursday.
Scattered thunderstorms are expected Tuesday night through Thursday
of next week, though the severe weather threat is uncertain at this
time.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not anticipated tonight.
$$
Hazardous Weather Outlook
National Weather Service Lincoln IL
519 PM CDT Fri May 30 2025
ILZ045-046-057-312230-
Champaign-Vermilion-Edgar-
519 PM CDT Fri May 30 2025
This Hazardous Weather Outlook is for east central Illinois.
.DAY ONE...Tonight.
Smoke from Canadian wildfires has spread into the Midwest, with some
of it being drawn to the surface. This will result in deteriorating
air quality, which may impact some people that are unusually
sensitive to air pollution.
Isolated storms are possible through this evening, across far
northeast parts of central IL. An isolated strong wind gust is
possible.
.DAYS TWO THROUGH SEVEN...Saturday through Thursday.
Scattered thunderstorms are expected Tuesday night through Thursday
of next week, though the severe weather threat is uncertain at this
time.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not anticipated tonight.
$$
NMA
