Weather Warnings for Indiana

Issued by the National Weather Service

Current watches, warnings, and advisories for Indiana
Alerts Updated: July 20, 2026, 6:33 am  UTC


Air Quality Alert issued July 20 at 1:20AM EDT by NWS Wilmington OH

Summary: The Indiana Department of Environmental Management has declared an Air Action Day, through midnight EDT tonight. Due to observed and forecasted high concentrations of PM2.5 values 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. Fine particulate 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. For additional actions and information, please visit the IDEM Smog page at: https://www.in.gov/idem/airmonitoring/smogwatch/
Severity:  Unknown    Effective:  July 20, 2026, 1:20 am      Expires:  July 20, 2026, 9:15 pm
Area:  Wayne; Fayette; Union; Franklin


Air Quality Alert issued July 19 at 7:26PM EDT by NWS Indianapolis IN

Summary: The officials at the Indiana Department of Environmental Management have declared an Air Quality Action Day, IN EFFECT UNTIL MIDNIGHT EDT MONDAY NIGHT. An Air Quality Action Day for PM 2.5 has been issued. Fine particulate 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: * Due to observed and forecasted high concentrations of PM 2.5 values 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/
Severity:  Unknown    Effective:  July 19, 2026, 7:26 pm      Expires:  July 20, 2026, 11:00 am
Area:  Carroll; Warren; Tippecanoe; Clinton; Howard; Fountain; Montgomery; Boone; Tipton; Hamilton; Madison; Delaware; Randolph; Vermillion; Parke; Putnam; Hendricks; Hancock; Henry; Vigo; Clay; Owen; Morgan; Johnson; Shelby; Rush; Sullivan; Monroe; Brown; Bartholomew; Decatur


Air Quality Alert issued July 19 at 7:26PM EDT by NWS Indianapolis IN

Summary: The officials at the Office of Sustainability for the City of Indianapolis have called for a Knozone Action Day, IN EFFECT UNTIL MIDNIGHT EDT MONDAY NIGHT. A Knozone Action day means that a combination of high temperatures, light winds, and other factors are expected to produce conditions where high levels of ozone emissions may exceed federally mandated standards. Fine particulate 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/
Severity:  Unknown    Effective:  July 19, 2026, 7:26 pm      Expires:  July 20, 2026, 11:00 am
Area:  Marion


Air Quality Alert issued July 19 at 2:09PM EDT by NWS Wilmington OH

Summary: The Indiana Department of Environmental Management has declared an Air Action Day, from midnight tonight to midnight EDT Monday night. Due to observed and forecasted high concentrations of PM2.5 values 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. Fine particulate 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. For additional actions and information, please visit the IDEM Smog page at: https://www.in.gov/idem/airmonitoring/smogwatch/
Severity:  Unknown    Effective:  July 19, 2026, 2:09 pm      Expires:  July 20, 2026, 9:15 pm
Area:  Wayne; Fayette; Union; Franklin


Air Quality Alert issued July 19 at 1:55PM EDT by NWS Northern Indiana

Summary: The officials at the Indiana Department of Environmental Management have declared an Air Quality Action Day, in effect for Sunday and Monday, July 19 and 20. An Air Quality Action Day for PM 2.5 has been issued. Fine particulate levels are expected to be in the Unhealthy to 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: *Due to observed and forecasted high concentrations of PM 2.5 values 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/
Severity:  Unknown    Effective:  July 19, 2026, 1:55 pm      Expires:  July 21, 2026, 12:00 am
Area:  Elkhart; Lagrange; Steuben; Noble; De Kalb; Starke; Pulaski; Marshall; Fulton; Whitley; Allen; White; Cass; Miami; Wabash; Huntington; Wells; Adams; Grant; Blackford; Jay; Northern La Porte; Eastern St. Joseph; Northern Kosciusko; Southern La Porte; Western St. Joseph; Southern Kosciusko


Air Quality Alert issued July 19 at 1:52PM EDT by NWS Wilmington OH

Summary: The Indiana Department of Environmental Management has declared an Air Action Day, from midnight tonight to midnight EDT Monday night. Due to observed and forecasted high concentrations of PM2.5 values 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. Fine particulate 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. For additional actions and information, please visit the IDEM Smog page at: https://www.in.gov/idem/airmonitoring/smogwatch/
Severity:  Unknown    Effective:  July 19, 2026, 1:52 pm      Expires:  July 20, 2026, 9:15 pm
Area:  Wayne; Fayette; Union; Franklin


Air Quality Alert issued July 19 at 12:50PM CDT by NWS Chicago IL

Summary: The officials at the Indiana Department of Environmental Management have declared an Air Quality Action Day, in effect until midnight EDT Monday night. An Air Quality Action Day for smoke has been issued. Smoke 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/
Severity:  Unknown    Effective:  July 19, 2026, 12:50 pm      Expires:  July 21, 2026, 12:00 am
Area:  Benton


Air Quality Alert issued July 19 at 12:50PM CDT by NWS Chicago IL

Summary: 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/
Severity:  Unknown    Effective:  July 19, 2026, 12:50 pm      Expires:  July 21, 2026, 12:00 am
Area:  Lake; Porter; Newton; Jasper


Air Quality Alert issued July 19 at 12:05AM EDT by NWS Wilmington OH

Summary: The Indiana Department of Environmental Management has declared an Air Action Day, through midnight EDT Monday night. Due to observed and forecasted high concentrations of PM 2.5 values 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. Fine particulate 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. For additional actions and information, please visit the IDEM Smog page at: https://www.in.gov/idem/airmonitoring/smogwatch/
Severity:  Unknown    Effective:  July 19, 2026, 12:05 am      Expires:  July 21, 2026, 12:00 am
Area:  Wayne; Fayette; Union; Franklin


Air Quality Alert issued July 18 at 2:19PM EDT by NWS Indianapolis IN

Summary: The officials at the Office of Sustainability for the City of Indianapolis have called for a Knozone Action Day, IN EFFECT FROM MIDNIGHT TONIGHT TO MIDNIGHT EDT MONDAY NIGHT. A Knozone Action day means that a combination of high temperatures, light winds, and other factors are expected to produce conditions where high levels of ozone emissions may exceed federally mandated standards. Fine particulate 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/
Severity:  Unknown    Effective:  July 18, 2026, 2:19 pm      Expires:  July 21, 2026, 12:00 am
Area:  Marion


Air Quality Alert issued July 18 at 2:19PM EDT by NWS Indianapolis IN

Summary: The officials at the Indiana Department of Environmental Management have declared an Air Quality Action Day, IN EFFECT FROM MIDNIGHT TONIGHT TO MIDNIGHT EDT MONDAY NIGHT. An Air Quality Action Day for PM 2.5 has been issued. Fine particulate 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: * Due to observed and forecasted high concentrations of PM 2.5 values 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/
Severity:  Unknown    Effective:  July 18, 2026, 2:19 pm      Expires:  July 21, 2026, 12:00 am
Area:  Carroll; Warren; Tippecanoe; Clinton; Howard; Fountain; Montgomery; Boone; Tipton; Hamilton; Madison; Delaware; Randolph; Vermillion; Parke; Putnam; Hendricks; Hancock; Henry; Vigo; Clay; Owen; Morgan; Johnson; Shelby; Rush; Sullivan; Monroe; Brown; Bartholomew; Decatur


Air Quality Alert issued July 18 at 1:03PM EDT by NWS Wilmington OH

Summary: The Indiana Department of Environmental Management has declared an Air Action Day, from midnight tonight to midnight EDT Monday night. Due to observed and forecasted high concentrations of PM2.5 values 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. Fine particulate 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. For additional actions and information, please visit the IDEM Smog page at: https://www.in.gov/idem/airmonitoring/smogwatch/
Severity:  Unknown    Effective:  July 18, 2026, 1:03 pm      Expires:  July 21, 2026, 12:15 am
Area:  Wayne; Fayette; Union; Franklin