Hazard Report Provided By forecast.weather.gov
INZ001-002-010-011-200515- Lake IN-Porter-Newton-Jasper- Including the cities of Gary, Hammond, Merrillville, Portage, Valparaiso, Chesterton, Roselawn, Kentland, Morocco, Rensselaer, and DeMotte 106 AM CDT Sun Jul 19 2026 ...AIR QUALITY ALERT IN EFFECT UNTIL MIDNIGHT CDT MONDAY NIGHT... The officials at the Indiana Department of Environmental Management have declared an Air Quality Action Day, in effect until midnight CDT Monday night. An Air Quality Action Day for ozone and PM 2.5 has been issued. A combination of fine particulate and ozone levels are expected to be in the Unhealthy for Sensitive Groups range. Active children and adults, and people with respiratory disease, such as asthma should limit prolonged outdoor exposure. Due to observed and forecasted high concentrations of PM2.5 readings in the area, recommendations are for the public to avoid or limit outdoor exposure to wildfire smoke, reduce or avoid exertion or heavy work outdoors and keep windows and doors closed as much as possible. For additional information, please visit the IDEM Smog page at: http://www.in.gov/idem/airmonitoring/smogwatch/ $$
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
418 AM CDT Sun Jul 19 2026
ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-200930-
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
418 AM CDT Sun Jul 19 2026 /518 AM EDT Sun Jul 19 2026/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Today and Tonight.
Weather hazards expected...
High Swim Risk Lake Michigan Beaches this morning.
DISCUSSION...
Dangerous swimming conditions can be found on southern Lake
Michigan beaches this morning.
.DAYS TWO THROUGH SEVEN...Monday through Saturday.
Monday...
Limited Flooding Risk.
Elevated Thunderstorm Risk...with an associated:
Level 3 of 5 Severe Thunderstorm Risk.
Tuesday and Wednesday...
High Swim Risk Lake Michigan Beaches.
DISCUSSION...
Thunderstorms are expected Monday evening and night, some of which
could be strong to severe.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
$$
Coastal Hazard Message National Weather Service Chicago IL 417 AM CDT Sun Jul 19 2026 ILZ006-103-104-INZ001-002-191730- /O.EXT.KLOT.BH.S.0007.000000T0000Z-260719T1800Z/ Lake IL-Northern Cook-Central Cook-Lake IN-Porter- 417 AM CDT Sun Jul 19 2026 ...BEACH HAZARDS STATEMENT NOW IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON... * WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. Waves 3 to 5 ft expected. * WHERE...In Illinois, Lake, Northern Cook and Central Cook Counties. In Indiana, Lake and Porter Counties. * WHEN...Until 1 PM CDT this afternoon. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. For information on swim advisories or bans at Chicago beaches: www. cpdbeaches. com. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. && $$
Hazard Report Provided By forecast.weather.gov