Hazard Report Provided By forecast.weather.gov

INZ001-002-010-011-160500-
Lake IN-Porter-Newton-Jasper-
Including the cities of Gary, Hammond, Merrillville, Portage,
Valparaiso, Chesterton, Roselawn, Kentland, Morocco, Rensselaer,
and DeMotte
1123 AM CDT Tue Jul 14 2026

...AIR QUALITY ALERT EXTENDED UNTIL MIDNIGHT CDT WEDNESDAY NIGHT...

The officials at the Indiana Department of Environmental Management
have extended the Air Quality Action Day, that is now in effect until
midnight Wednesday Night.

An Air Quality Action Day for ozone has been issued. 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.

Here are some recommended actions that the public can take:

 * Walk, bike, carpool or use public transportation.
 * Avoid using the drive-through and combine errands into one trip.
 * Avoid refueling your vehicle or using gasoline-powered lawn
   equipment until after 7pm.
 * Turn off your engine when idling for more than 30 seconds.
 * Conserve energy by turning off lights or setting the air
   conditioner to 75 degrees or above.

 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
220 AM CDT Wed Jul 15 2026

ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-160730-
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-
220 AM CDT Wed Jul 15 2026 /320 AM EDT Wed Jul 15 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...

  Limited Excessive Heat Risk.

DISCUSSION...

Afternoon heat indices will peak around 100 to locally up to 105
degrees this afternoon away from the lake.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Thursday...
  Limited Thunderstorm Risk.
  Limited Excessive Heat Risk.
Friday...
  Limited Flooding Risk.
  Limited Thunderstorm Risk.
Saturday...
  Limited Thunderstorm Risk.
  Limited Excessive Heat Risk.
Monday...
  Limited Thunderstorm Risk.

DISCUSSION...

Peak heat indices will be around 100 degrees on Thursday away from
the lake.

Thunderstorm chances will increase, particularly Friday and again
Saturday afternoon and evening, some of which could produce
locally heavy rainfall.

.SPOTTER INFORMATION STATEMENT...

  Spotter activation will not be necessary through tonight.

$$

Hazard Report Provided By forecast.weather.gov