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Lovejoy, IL Warnings, Watches and Advisories

SAFETY and DATA MESSAGE

When a severe thunderstorm warning is issued, the storm may produce damaging winds, large hail, dangerous lightning, and heavy rain. In some cases, heavy rainfall produced by a severe storm can also lead to flash flooding. Do not drive vehicles through flooded areas. The water depth or fast flowing water/mud/debris from a flash flood will make road conditions unsafe. Do not rely soley on data presented here or other third-party websites - always check your official national and local weather service agency website, socials, radio and/or TV stations for making critical decisions related to weather events.

Please carefully read each posted Warning and Alert as it relates to the area(s) being affected. We may provide a wider range of issued severe weather warnings for surrounding cities and counties, so some alerts may not directly impact this location. This is done to help with preparing for severe weather that may overlap or be heading towards Lovejoy.

Use the Radar Maps link provided to understand the trajectory of a storm.

NWS Active Alerts for IL - Map View

State: IL Total alerts: 11 Updated: Jul 19, 2026 7:50am CDT

Air Quality Alert

Area
Jo Daviess; Stephenson; Carroll; Whiteside; Rock Island; Henry; Bureau; Putnam; Mercer; Henderson; Warren; Hancock; McDonough
Air Quality Alert issued July 19 at 4:44AM CDT by NWS Quad Cities IA IL

The Illinois Environmental Protection Agency has issued an Areawide Air Pollution Action Day for Sunday July 19th for portions of Illinois. An Areawide Air Pollution Action Day is declared when weather conditions are such that widespread ozone and or particulate levels are forecast to be at OR ABOVE the Unhealthy for Sensitive Groups (USG) category in all or nearly all Illinois AQI forecast sectors. Areas both inside and outside of the Action Day coverage area may experience smoke/PM2.5 to a varying degree and duration today. Those with air quality concerns or anyone in Illinois with outdoor plans is encouraged to check current NowCast readings or sign up for EnviroFlash alerts on AirNow.gov. Before going outside, checking the NowCast AQI will help identify periods of both poor and cleaner air quality regardless of the level of the daily forecasted AQI. AQI Category Guidance Unhealthy for Sensitive Groups (USG) - Members of sensitive groups may experience health effects. The general public is less likely to be affected. Sensitive groups: Make outdoor activities shorter and less intense. Its OK to be active outdoors, but take more breaks. Watch for symptoms such as coughing or shortness of breath. People with asthma: Follow your asthma action plan and keep quick relief medicine handy. People with heart disease: Symptoms such as palpitations, shortness of breath, or unusual fatigue may indicate a serious problem. If you have any of these, contact your health care provider. Unhealthy - Sensitive groups: Avoid long or intense outdoor activities. Consider rescheduling or moving activities indoors. Everyone else: Reduce long or intense activities. Take more breaks during outdoor activities. Air quality forecasts and current air quality can be found at www.airnow.gov Media Contact... Illinois EPA

Beach Hazards Statement

Area
Lake; Northern Cook; Central Cook; Lake; Porter
Beach Hazards Statement issued July 19 at 4:17AM CDT until July 19 at 1:00PM CDT by NWS Chicago IL

* 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.

Air Quality Alert

Area
Knox; Stark; Peoria; Marshall; Woodford; Fulton; Tazewell; McLean; Schuyler; Mason; Logan; De Witt; Piatt; Champaign; Vermilion; Cass; Menard; Scott; Morgan; Sangamon; Christian; Macon; Moultrie; Douglas; Coles; Edgar; Shelby; Cumberland; Clark; Effingham; Jasper; Crawford; Clay; Richland; Lawrence
Air Quality Alert issued July 19 at 2:57AM CDT by NWS Lincoln IL

The Illinois Environmental Protection Agency in Springfield Illinois has issued a Air Quality Action Day for ground level ozone and fine particulates, until midnight CDT tonight. An Areawide Air Pollution Action Day is declared when weather conditions are such that widespread ozone and or particulate levels are forecast to be at OR ABOVE the Unhealthy for Sensitive Groups (USG) category in all or nearly all Illinois AQI forecast sectors. Areas both inside and outside of the Action Day coverage area may experience smoke/PM2.5 today into tonight. Those with air quality concerns or anyone in Illinois with outdoor plans is encouraged to check current NowCast readings or sign up for EnviroFlash alerts on AirNow.gov. Before going outside, checking the NowCast AQI will help identify periods of both poor and cleaner air quality regardless of the level of the daily forecasted AQI. AQI Category Guidance Unhealthy for Sensitive Groups (USG) - Members of sensitive groups may experience health effects. The general public is less likely to be affected. Sensitive groups: Make outdoor activities shorter and less intense. Its OK to be active outdoors, but take more breaks. Watch for symptoms such as coughing or shortness of breath. People with asthma: Follow your asthma action plan and keep quick relief medicine handy. People with heart disease: Symptoms such as palpitations, shortness of breath, or unusual fatigue may indicate a serious problem. If you have any of these, contact your health care provider. Unhealthy - Sensitive groups: Avoid long or intense outdoor activities. Consider rescheduling or moving activities indoors. Everyone else: Reduce long or intense activities. Take more breaks during outdoor activities. Media Contact... Illinois EPA

Air Quality Alert

Area
Greene; Macoupin; Montgomery; Fayette; Adams; Brown; Pike
Air Quality Alert issued July 19 at 2:26AM CDT by NWS St Louis MO

The Illinois Environmental Protection Agency in Springfield Illinois is forecasting unhealthy conditions for sensitive groups (USG) for fine particulates due to smoke until midnight CDT tonight. Active children and adults, especially people with pulmonary or respiratory disease such as asthma, should limit prolonged outdoor activity. Residents are urged to reduce pollution levels. Air quality forecasts and tips on how you can reduce your emissions can be found at www.airnow.gov. Media Contact...217 558 1536.

Heat Advisory

Area
Clinton; Washington; Randolph; Madison; St. Clair; Monroe; Boone; Moniteau; Cole; Osage; Callaway; Montgomery; Gasconade; Warren; St. Charles; Franklin; St. Louis; St. Louis City; Jefferson; Crawford; Washington; St. Francois; Ste. Genevieve; Iron; Madison; Reynolds
Heat Advisory issued July 19 at 2:23AM CDT until July 21 at 7:00PM CDT by NWS St Louis MO

* WHAT...Heat index values up to 105. * WHERE...Portions of south central and southwest Illinois and central, east central, and southeast Missouri. * WHEN...Until 7 PM CDT Tuesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Heat Advisory

Area
Jefferson; Perry; Franklin; Hamilton; Jackson; Williamson; Saline; Gallatin; Union; Johnson; Pope; Hardin; Alexander; Pulaski; Massac; Fulton; Hickman; Carlisle; Ballard; McCracken; Graves; Livingston; Marshall; Calloway; Crittenden; Lyon; Trigg; Caldwell; Union; Webster; Hopkins; Christian; Muhlenberg; Todd; Perry; Bollinger; Cape Girardeau; Wayne; Carter; Ripley; Butler; Stoddard; Scott; Mississippi; New Madrid
Heat Advisory issued July 19 at 1:26AM CDT until July 21 at 7:00PM CDT by NWS Paducah KY

* WHAT...Heat index values between 100 to 105 expected. * WHERE...Portions of southern Illinois, western Kentucky, and southeast Missouri. * WHEN...Until 7 PM CDT Tuesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Higher humidity levels combined with hot temperatures on Tuesday may cause heat index values to near 110 degrees.

Air Quality Alert

Area
Winnebago; Boone; McHenry; Lake; 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
Air Quality Alert issued July 19 at 1:06AM CDT by NWS Chicago IL

The Illinois Environmental Protection Agency has issued an Areawide Air Pollution Action Day for today, July 19th for portions of Illinois. An Areawide Air Pollution Action Day is declared when weather conditions are such that widespread ozone and or particulate levels are forecasted to be at or above the Unhealthy for Sensitive Groups (USG) category in all or nearly all Illinois AQI forecast sectors. Areas both inside and outside of the Action Day coverage area may experience smoke/PM2.5 to a varying degree and duration today. Those with air quality concerns or anyone in Illinois with outdoor plans are encouraged to check current NowCast readings or sign up for EnviroFlash alerts on AirNow. gov. Before going outside, checking the NowCast AQI will help identify periods of both poor and cleaner air quality regardless of the level of the daily forecasted AQI. AQI Category Guidance Unhealthy for Sensitive Groups (USG) - Members of sensitive groups may experience health effects. The general public is less likely to be affected. Sensitive groups: Make outdoor activities shorter and less intense. Its OK to be active outdoors, but take more breaks. Watch for symptoms such as coughing or shortness of breath. People with asthma: Follow your asthma action plan and keep quick relief medicine handy. People with heart disease: Symptoms such as palpitations, shortness of breath, or unusual fatigue may indicate a serious problem. If you have any of these, contact your health care provider. Unhealthy - Sensitive groups: Avoid long or intense outdoor activities. Consider rescheduling or moving activities indoors. Everyone else: Reduce long or intense activities. Take more breaks during outdoor activities. Media Contact...Illinois EPA

Air Quality Alert

Area
Jo Daviess; Stephenson; Carroll; Whiteside; Rock Island; Henry; Bureau; Putnam; Mercer; Henderson; Warren; Hancock; McDonough
Air Quality Alert issued July 18 at 12:47PM CDT by NWS Quad Cities IA IL

The Illinois Environmental Protection Agency has issued an Areawide Air Pollution Action Day for Sunday July 19th for portions of Illinois. An Areawide Air Pollution Action Day is declared when weather conditions are such that widespread ozone and or particulate levels are forecast to be at OR ABOVE the Unhealthy for Sensitive Groups (USG) category in all or nearly all Illinois AQI forecast sectors. Areas both inside and outside of the Action Day coverage area may experience smoke/PM2.5 to a varying degree and duration both later today and Sunday. Those with air quality concerns or anyone in Illinois with outdoor plans is encouraged to check current NowCast readings or sign up for EnviroFlash alerts on AirNow.gov. Before going outside, checking the NowCast AQI will help identify periods of both poor and cleaner air quality regardless of the level of the daily forecasted AQI. AQI Category Guidance Unhealthy for Sensitive Groups (USG) - Members of sensitive groups may experience health effects. The general public is less likely to be affected. Sensitive groups: Make outdoor activities shorter and less intense. Its OK to be active outdoors, but take more breaks. Watch for symptoms such as coughing or shortness of breath. People with asthma: Follow your asthma action plan and keep quick relief medicine handy. People with heart disease: Symptoms such as palpitations, shortness of breath, or unusual fatigue may indicate a serious problem. If you have any of these, contact your health care provider. Unhealthy - Sensitive groups: Avoid long or intense outdoor activities. Consider rescheduling or moving activities indoors. Everyone else: Reduce long or intense activities. Take more breaks during outdoor activities. Air quality forecasts and current air quality can be found at www.airnow.gov Media Contact... Illinois EPA

Air Quality Alert

Area
Knox; Stark; Peoria; Marshall; Woodford; Fulton; Tazewell; McLean; Schuyler; Mason; Logan; De Witt; Piatt; Champaign; Vermilion; Cass; Menard; Scott; Morgan; Sangamon; Christian; Macon; Moultrie; Douglas; Coles; Edgar; Shelby; Cumberland; Clark; Effingham; Jasper; Crawford; Clay; Richland; Lawrence
Air Quality Alert issued July 18 at 12:36PM CDT by NWS Lincoln IL

The Illinois Environmental Protection Agency has issued an Areawide Air Pollution Action Day for Sunday July 19th for portions of Illinois. An Areawide Air Pollution Action Day is declared when weather conditions are such that widespread ozone and or particulate levels are forecast to be at OR ABOVE the Unhealthy for Sensitive Groups (USG) category in all or nearly all Illinois AQI forecast sectors. Areas both inside and outside of the Action Day coverage area may experience smoke/PM2.5 to a varying degree and duration both later today and Sunday. Those with air quality concerns or anyone in Illinois with outdoor plans is encouraged to check current NowCast readings or sign up for EnviroFlash alerts on AirNow.gov. Before going outside, checking the NowCast AQI will help identify periods of both poor and cleaner air quality regardless of the level of the daily forecasted AQI. AQI Category Guidance Unhealthy for Sensitive Groups (USG) - Members of sensitive groups may experience health effects. The general public is less likely to be affected. Sensitive groups: Make outdoor activities shorter and less intense. Its OK to be active outdoors, but take more breaks. Watch for symptoms such as coughing or shortness of breath. People with asthma: Follow your asthma action plan and keep quick relief medicine handy. People with heart disease: Symptoms such as palpitations, shortness of breath, or unusual fatigue may indicate a serious problem. If you have any of these, contact your health care provider. Unhealthy - Sensitive groups: Avoid long or intense outdoor activities. Consider rescheduling or moving activities indoors. Everyone else: Reduce long or intense activities. Take more breaks during outdoor activities. Media Contact... Illinois EPA

Air Quality Alert

Area
Winnebago; Boone; McHenry; Lake; 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
Air Quality Alert issued July 18 at 12:31PM CDT by NWS Chicago IL

The Illinois Environmental Protection Agency has issued an Areawide Air Pollution Action Day for Sunday July 19th for portions of Illinois. This is in addition to the ongoing Chicago Area Air Pollution Action Day in effect today. An Areawide Air Pollution Action Day is declared when weather conditions are such that widespread ozone and or particulate levels are forecast to be at OR ABOVE the Unhealthy for Sensitive Groups (USG) category in all or nearly all Illinois AQI forecast sectors. Areas both inside and outside of the Action Day coverage area may experience smoke/PM2.5 to a varying degree and duration both later today and Sunday. Those with air quality concerns or anyone in Illinois with outdoor plans is encouraged to check current NowCast readings or sign up for EnviroFlash alerts on AirNow. gov. Before going outside, checking the NowCast AQI will help identify periods of both poor and cleaner air quality regardless of the level of the daily forecasted AQI. AQI Category Guidance Unhealthy for Sensitive Groups (USG) - Members of sensitive groups may experience health effects. The general public is less likely to be affected. Sensitive groups: Make outdoor activities shorter and less intense. Its OK to be active outdoors, but take more breaks. Watch for symptoms such as coughing or shortness of breath. People with asthma: Follow your asthma action plan and keep quick relief medicine handy. People with heart disease: Symptoms such as palpitations, shortness of breath, or unusual fatigue may indicate a serious problem. If you have any of these, contact your health care provider. Unhealthy - Sensitive groups: Avoid long or intense outdoor activities. Consider rescheduling or moving activities indoors. Everyone else: Reduce long or intense activities. Take more breaks during outdoor activities. Media Contact...Illinois EPA

Air Quality Alert

Area
Greene; Macoupin; Montgomery; Fayette; Adams; Brown; Pike
Air Quality Alert issued July 18 at 12:29PM CDT by NWS St Louis MO

The Illinois Environmental Protection Agency in Springfield Illinois is forecasting unhealthy conditions for sensitive groups (USG) for fine particulates due to smoke from 4 AM Sunday to midnight CDT Sunday night. Smoke may also linger across much of Illinois Monday. Active children and adults, especially people with pulmonary or respiratory disease such as asthma, should limit prolonged outdoor activity. Residents are urged to montior smoke levels. Air quality forecasts and tips on how you can reduce your emissions can be found at www.airnow.gov. Media Contact...217 558 1536.

For more official information about severe storms and how to stay safe, visit the National Weather Service's Severe Thunderstorm Safety page. We encourage you to also monitor Excessive Rainfall Forecasts on their Weather Prediction Center website.

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