The official Twitter account for the Cook County Department of Emergency Management and Regional Security
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ALT Este gráfico muestra la localización en el mapa de un aviso de tormenta severa. El aviso estará en efecto hasta las 9:00 PM CDT. El aviso incluye a Chicago Heights IL, Lansing IL, Harvey IL. El aviso incluye el sureste del condado de Cook . Las amenazas asociadas a este aviso son: ráfagas de viento de 70 MPH y granizo del tamaño de una pequeña canica. Hay 339,635 personas bajo este aviso incluyendo 157 escuelas y 5 hospitales.
ALT This graphic displays a severe thunderstorm warning plotted on a map. The warning is in effect until 9:00 PM CDT. The warning includes Chicago Heights IL, Lansing IL and Harvey IL. This warning is for Southeastern Cook County. The threats associated with this warning are wind gusts up to 70 MPH and pea sized hail. There are 339,635 people in the warning along with 157 schools and 5 hospitals.
ALT Este gráfico muestra la localización en el mapa de un aviso de tormenta severa. El aviso estará en efecto hasta las 9:00 PM CDT. El aviso incluye a Chicago IL, Cicero IL, Orland Park IL. El aviso incluye el sureste del condado de Cook . Las amenazas asociadas a este aviso son: ráfagas de viento de 80 MPH y granizo del tamaño de una pequeña canica. Hay 2,819,430 personas bajo este aviso incluyendo 808 escuelas y 44 hospitales.
ALT This graphic displays a severe thunderstorm warning plotted on a map. The warning is in effect until 9:00 PM CDT. The warning includes Chicago IL, Cicero IL and Orland Park IL. This warning is for Southeastern Lake County Is Cancelled. The threats associated with this warning are wind gusts up to 80 MPH and pea sized hail. There are 2,819,430 people in the warning along with 808 schools and 44 hospitals.
ALT This graphic displays a tornado warning plotted on a map. The warning is in effect until 8:45 PM CDT. The warning includes Chicago IL, Cicero IL and Orland Park IL. This warning is for Central and Southern Cook County in northeastern Illinois. The threats associated with this warning are a radar indicated tornado and no hail is expected. There are 2,361,533 people in the warning along with 673 schools and 32 hospitals.
ALT This graphic displays a tornado warning plotted on a map. The warning is in effect until 8:45 PM CDT. The warning includes Chicago IL, Cicero IL and Orland Park IL. This warning is for Central and Southern Cook County in northeastern Illinois. The threats associated with this warning are a radar indicated tornado and no hail is expected. There are 2,361,533 people in the warning along with 673 schools and 32 hospitals.
ALT Este gráfico muestra la localización en el mapa de un Vigilancia de Tornado número 313. El aviso estará en efecto hasta las 9:00 PM CDT.Las amenazas asociadas a este aviso son. Algunos tornados trobables. Granizo disperso de hasta pelota de tenis posible. Ráfagas de Gran Cobertura de Hasta 85 MPH Probables. Hay 13,489,217 personas bajo este aviso incluyendo 4500 escuelas y 259 hospitales.
ALT This graphic displays Tornado Watch watch number 313 plotted on a map. The watch is in effect until 9:00 PM CDT. The watch includes parts of Illinois, Indiana, Iowa, Missouri and Wisconsin. The threats associated with this watch are several tornadoes likely, scattered hail up to tennis ball size possible and widespread gusts up to 80 mph likely. There are 13,489,217 people in the watch along with 4500 schools and 259 hospitals.
ALT Headline: Flash Flooding Possible Today. Sub Headline: Heavy rain rates from multiple rounds of storms increases the risk for Flash Flooding. What To Expect: Torrential Rainfall. Localized rainfall rates in excess of 1 to 2 inches per hour. What To Do: Use caution when driving in heavy rain. NEVER drive or walk across flooded roads. Through 3 AM CDT. Graphic Created: Wednesday, June 10, 2026 10:28 AM CDT
ALT Headline: Threat for Strong Tornadoes Today. Sub Headline: Greatest threat will be near a remnant surface boundary this afternoon. There is a threat for strong (EF-2 ) tornadoes between 4 and 8 PM especially in the dark red shaded area along a stalled warm front. The threat for tornadoes will be highest if storms can stay discrete, or by themselves. The main source of uncertainty is where the warm front will stall this evening. It may be in northern Illinois or southern Wisconsin. Threat Zone for Strong Tornadoes 4 to 8 PM. What To Do. Graphic Created: Thursday, June 11, 2026 5:02 AM CDT
ALT Este gráfico muestra la localización en el mapa de un aviso de tormenta severa. El aviso estará en efecto hasta las 4:30 PM CDT. El aviso incluye a Chicago IL, Cicero IL, Arlington Heights IL. El aviso incluye el este del condado de Lake Is Cancelled. Las amenazas asociadas a este aviso son: ráfagas de viento de 70 MPH y granizo del tamaño de una pequeña canica. Hay 4,518,820 personas bajo este aviso incluyendo 1080 escuelas y 69 hospitales.
ALT Este gráfico muestra la localización en el mapa de un aviso de tormenta severa. El aviso estará en efecto hasta las 4:30 PM CDT. El aviso incluye a Calumet City IL, Chicago Heights IL, Lansing IL. El aviso incluye el sureste del condado de Cook . Las amenazas asociadas a este aviso son: ráfagas de viento de 80 MPH y granizo del tamaño de una pequeña canica. Hay 1,261,323 personas bajo este aviso incluyendo 483 escuelas y 20 hospitales.
ALT This graphic displays a severe thunderstorm warning plotted on a map. The warning is in effect until 4:30 PM CDT. The warning includes Calumet City IL, Chicago Heights IL and Lansing IL. This warning is for Southeastern Cook County. The threats associated with this warning are wind gusts up to 80 MPH and pea sized hail. There are 1,261,323 people in the warning along with 483 schools and 20 hospitals.
ALT Este gráfico muestra la localización en el mapa de un aviso de tormenta severa. El aviso estará en efecto hasta las 9:30 PM CDT. El aviso incluye a Waukegan IL, Arlington Heights IL, Evanston IL. El aviso incluye el condado de Lake en el noreste de Illinois y el noroeste del condado de Cook en el noreste de Illinois. Las amenazas asociadas a este aviso son: ráfagas de viento de 70 MPH y granizo del tamaño de una pequeña canica. Hay 1,787,786 personas bajo este aviso incluyendo 459 escuelas y 20 hospitales.
ALT This graphic displays a severe thunderstorm warning plotted on a map. The warning is in effect until 9:30 PM CDT. The warning includes Waukegan IL, Arlington Heights IL and Evanston IL. This warning is for Lake County in northeastern Illinois and Northwestern Cook County in northeastern Illinois. The threats associated with this warning are wind gusts up to 70 MPH and pea sized hail. There are 1,787,786 people in the warning along with 459 schools and 20 hospitals.
ALT Este gráfico muestra la localización en el mapa de un aviso de tormenta severa. El aviso estará en efecto hasta las 6:45 PM CDT. El aviso incluye a Chicago IL, Cicero IL, Oak Lawn IL. El aviso incluye el condado de el este centro de DuPage en el noreste de Illinois y el noreste del condado de Cook en el noreste de Illinois. Las amenazas asociadas a este aviso son: ráfagas de viento de 50 MPH y granizo del tamaño . Hay 2,906,879 personas bajo este aviso incluyendo 680 escuelas y 52 hospitales.
ALT This graphic displays a severe thunderstorm warning plotted on a map. The warning is in effect until 6:45 PM CDT. The warning includes Chicago IL, Cicero IL and Oak Lawn IL. This warning is for East central DuPage County in northeastern Illinois and Northeastern Cook County in northeastern Illinois. The threats associated with this warning are wind gusts up to 50 MPH and ping pong sized hail. There are 2,906,879 people in the warning along with 680 schools and 52 hospitals.
ALT Este gráfico muestra la localización en el mapa de un aviso de tormenta severa. El aviso estará en efecto hasta las 6:00 PM CDT. El aviso incluye a Joliet IL, Bolingbrook IL, Orland Park IL. El aviso incluye el noroeste del condado de Will en el noreste de Illinois, el sureste del condado de DuPage en el noreste de Illinois y el condado de el sur centro de Cook en el noreste de Illinois. Las amenazas asociadas a este aviso son: ráfagas de viento de 50 MPH y granizo del tamaño . Hay 705,354 personas bajo este aviso incluyendo 185 escuelas y 5 hospitales.
ALT This graphic displays a severe thunderstorm warning plotted on a map. The warning is in effect until 6:00 PM CDT. The warning includes Joliet IL, Bolingbrook IL and Orland Park IL. This warning is for Northwestern Will County in northeastern Illinois, Southeastern DuPage County in northeastern Illinois and South central Cook County in northeastern Illinois. The threats associated with this warning are wind gusts up to 50 MPH and half dollar sized hail. There are 705,354 people in the warning along with 185 schools and 5 hospitals.