urn:oid:2.49.0.1.840.0.62533ce2bd9cfaf63dd5cf1c95f748e17a24cc6a.001.1.IPAWSw-nws.webmaster@noaa.gov2026-08-11T10:17:00-05:00ActualAlert211803 v2.3.0PublicIPAWSv1.0en-USMetSevere Thunderstorm WarningShelterImmediateSevereObservedSAMESVRNationalWeatherServiceSVW2026-08-11T10:17:00-05:002026-08-11T10:17:00-05:002026-08-11T11:15:00-05:00NWS Chicago ILSevere Thunderstorm Warning issued August 11 at 10:17AM CDT until August 11 at 11:15AM CDT by NWS Chicago ILSVRLOT The National Weather Service in Chicago has issued a * Severe Thunderstorm Warning for... Eastern Kendall County in northeastern Illinois... Central Will County in northeastern Illinois... Southeastern Kane County in northeastern Illinois... Southern DuPage County in northeastern Illinois... Southeastern Cook County in northeastern Illinois... * Until 1115 AM CDT. * At 1016 AM CDT, severe thunderstorms were located along a line extending from Campton Hills to near Yorkville to near Newark, moving east at 50 mph. THESE ARE DESTRUCTIVE STORMS FOR CENTRAL AND SOUTHERN PORTIONS OF THE CHICAGO METROPOLITAN AREA. HAZARD...80 mph wind gusts. SOURCE...Radar indicated. IMPACT...Flying debris will be dangerous to those caught without shelter. Mobile homes will be heavily damaged. Expect considerable damage to roofs, windows, and vehicles. Extensive tree damage and power outages are likely. * Severe thunderstorms will be near... Aurora, Naperville, Plainfield, Oswego, West Chicago, Batavia, Geneva, Yorkville, Montgomery, and North Aurora around 1020 AM CDT. Joliet, Bolingbrook, Romeoville, Shorewood, Warrenville, and Winfield around 1025 AM CDT. Wheaton, Woodridge, Glen Ellyn, Channahon, Lisle, and Crest Hill around 1030 AM CDT. Downers Grove, Lombard, Lockport, Homer Glen, Lemont, Oak Brook, Westmont, and Darien around 1035 AM CDT. Remain alert for a possible tornado! Tornadoes can develop quickly from severe thunderstorms. If you spot a tornado go at once into the basement or small central room in a sturdy structure. This is a DANGEROUS SITUATION. This is an EXTREMELY DANGEROUS SITUATION with tornado like wind speeds expected. Mobile homes and high profile vehicles are especially susceptible to winds of this magnitude and may be overturned. For your protection move to an interior room on the lowest floor of a building. These storms have the potential to cause serious injury and significant property damage.http://www.weather.govAWIPSidentifierSVRLOTWMOidentifierWUUS53 KLOT 111517eventMotionDescription2026-08-11T15:16:00Z...storm...278DEG...45KT...41.96,-88.43 41.67,-88.4 41.47,-88.6windThreatRADAR INDICATEDmaxWindGust80 MPHhailThreatRADAR INDICATEDmaxHailSizeUp to .75thunderstormDamageThreatDESTRUCTIVEtornadoDetectionPOSSIBLEBLOCKCHANNELEASBLOCKCHANNELNWEMEAS-ORGWXRVTEC/O.NEW.KLOT.SV.W.0242.260811T1517Z-260811T1615Z/eventEndingTime2026-08-11T11:15:00-05:00WEAHandlingImminent ThreatCMAMtextNWS:DESTRUCTIVE WIND STORM in this area til 1115 AM CDT. Take shelter now. Check media.CMAMlongtextNational Weather Service: SEVERE THUNDERSTORM WARNING in effect for this area until 11:15 AM CDT for DESTRUCTIVE 80 mph winds. Take shelter in a sturdy building, away from windows. Flying debris may be deadly to those caught without shelter.Cook, IL; DuPage, IL; Kane, IL; Kendall, IL; Will, IL41.54,-88.47 41.67,-88.41 41.88,-88.42 41.84,-87.6 41.73,-87.52 41.31,-87.53 41.54,-88.47SAME017031SAME017043SAME017089SAME017093SAME017197UGCILC031UGCILC043UGCILC089UGCILC093UGCILC197es-USMetSevere Thunderstorm WarningShelterImmediateSevereObservedSAMESVRNationalWeatherServiceSVW2026-08-11T10:17:00-05:002026-08-11T10:17:00-05:002026-08-11T11:15:00-05:00NWS Chicago ILSevere Thunderstorm Warning issued August 11 at 10:17AM CDT until August 11 at 11:15AM CDT by NWS Chicago ILSVRLOT The National Weather Service in Chicago has issued a * Severe Thunderstorm Warning for... Eastern Kendall County in northeastern Illinois... Central Will County in northeastern Illinois... Southeastern Kane County in northeastern Illinois... Southern DuPage County in northeastern Illinois... Southeastern Cook County in northeastern Illinois... * Until 1115 AM CDT. * At 1016 AM CDT, severe thunderstorms were located along a line extending from Campton Hills to near Yorkville to near Newark, moving east at 50 mph. THESE ARE DESTRUCTIVE STORMS FOR CENTRAL AND SOUTHERN PORTIONS OF THE CHICAGO METROPOLITAN AREA. HAZARD...80 mph wind gusts. SOURCE...Radar indicated. IMPACT...Flying debris will be dangerous to those caught without shelter. Mobile homes will be heavily damaged. Expect considerable damage to roofs, windows, and vehicles. Extensive tree damage and power outages are likely. * Severe thunderstorms will be near... Aurora, Naperville, Plainfield, Oswego, West Chicago, Batavia, Geneva, Yorkville, Montgomery, and North Aurora around 1020 AM CDT. Joliet, Bolingbrook, Romeoville, Shorewood, Warrenville, and Winfield around 1025 AM CDT. Wheaton, Woodridge, Glen Ellyn, Channahon, Lisle, and Crest Hill around 1030 AM CDT. Downers Grove, Lombard, Lockport, Homer Glen, Lemont, Oak Brook, Westmont, and Darien around 1035 AM CDT. Remain alert for a possible tornado! Tornadoes can develop quickly from severe thunderstorms. If you spot a tornado go at once into the basement or small central room in a sturdy structure. This is a DANGEROUS SITUATION. This is an EXTREMELY DANGEROUS SITUATION with tornado like wind speeds expected. Mobile homes and high profile vehicles are especially susceptible to winds of this magnitude and may be overturned. For your protection move to an interior room on the lowest floor of a building. These storms have the potential to cause serious injury and significant property damage.http://www.weather.govAWIPSidentifierSVRLOTWMOidentifierWUUS53 KLOT 111517eventMotionDescription2026-08-11T15:16:00Z...storm...278DEG...45KT...41.96,-88.43 41.67,-88.4 41.47,-88.6windThreatRADAR INDICATEDmaxWindGust80 MPHhailThreatRADAR INDICATEDmaxHailSizeUp to .75thunderstormDamageThreatDESTRUCTIVEtornadoDetectionPOSSIBLEBLOCKCHANNELEASBLOCKCHANNELNWEMEAS-ORGWXRVTEC/O.NEW.KLOT.SV.W.0242.260811T1517Z-260811T1615Z/eventEndingTime2026-08-11T11:15:00-05:00WEAHandlingImminent ThreatCMAMtextSNM:TORMENTA DE VIENTO DESTRUCTIVA en esta area hasta 1115 AM CDT. Tome refugio ahoraCMAMlongtextServicio Nacional de Meteorologia: AVISO DE TORMENTA SEVERA en efecto para esta area hasta las 11:15 AM CDT por vientos DESTRUCTIVOS de 80 mph. Tome refugio en un edificio, alejado de las ventanas. Escombros arrastrados por el viento podrian ser mortales para aquellos que se encuentran sin refugio.Cook, IL; DuPage, IL; Kane, IL; Kendall, IL; Will, IL41.54,-88.47 41.67,-88.41 41.88,-88.42 41.84,-87.6 41.73,-87.52 41.31,-87.53 41.54,-88.47SAME017031SAME017043SAME017089SAME017093SAME017197UGCILC031UGCILC043UGCILC089UGCILC093UGCILC197+59qb0Kf4n1TgicCt0w6OTF73c3wCVtL35qRU27Jl08=BoNOLF1UAMzZsXG2af+3BVvPke8PLKIS3ZMvDexFlflZOGGble8qxECONNG6ahiyqThkZlsLYymn q3LH9sEzC9LD3TGEQoxla5n4FNlJ+B6Tn+S1BcdGDzsQvZ/vBsDrdPMoHwJJYjtEupxkIr6IJyIT zAdRaAEZhXkiw4nNcdU87TEqiIpaYW0fhTcpJ3ZGaMuMN9NFXJ3m8fujS5hWj4rjDaoJc75LpAeh 0MHaEYKCjy7vFVuCpCtX5HZyOOlauRoCX+wInP9UBFU4wz0jbYX7MGlcVovf8hOL9+4Rs4RGHvEQ IALyVWDz/BWuO2faNgX9+I7f4nrH36kHWwH7vQ==CN=IPAWSOPEN200032,OU=A01410D0000019A5E4549540014DF2C,OU=Devices IPAWS,OU=National Continuity Programs,O=FEMA IPAWS,C=USMIIHPzCCBSegAwIBAgIQQAGaXkVJb3yj70Q8FAqMbzANBgkqhkiG9w0BAQsFADBdMQswCQYDVQQG EwJVUzESMBAGA1UEChMJSWRlblRydXN0MSAwHgYDVQQLExdJZGVuVHJ1c3QgR2xvYmFsIENvbW1v bjEYMBYGA1UEAxMPSUdDIERldmljZSBDQSAyMB4XDTI1MTEwNzEyMjMxMFoXDTI4MTEwNjEyMjIx MFowgaUxCzAJBgNVBAYTAlVTMRMwEQYDVQQKEwpGRU1BIElQQVdTMSUwIwYDVQQLExxOYXRpb25h bCBDb250aW51aXR5IFByb2dyYW1zMRYwFAYDVQQLEw1EZXZpY2VzIElQQVdTMSgwJgYDVQQLEx9B MDE0MTBEMDAwMDAxOUE1RTQ1NDk1NDAwMTRERjJDMRgwFgYDVQQDEw9JUEFXU09QRU4yMDAwMzIw ggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQCOdhA5DPitMFp6DUbiQZi/anJ6L9qtPrRz gZksP2aOSve50875b4yi2eMv2caKpF+lxtbmzxdZjRuV55TnCkn7HaaLpi+7nFP4aDB9DDw/Gnop 65nNzLvZ7MXpCC3ikJk09iSgwVaw6RGte9X2WyUoPaEmygjv1lsVx+JGohgvPxTtiZhQJyxkxbM5 rR2MAC5VjsrZNu3idfvd1B0EEGM1cVU9jpVuyiWK53k+vPuSOH/UWMXezzrBEwjtw1SMVv2/dxKz 79gaITMmF6z5QqDFV0cstzmyEZWhyoavCpXW4W+vU+FLO0IgXINzY34IsnFQ/cqGEJ6MtC63uM8f 2L7dAgMBAAGjggKwMIICrDAOBgNVHQ8BAf8EBAMCBaAwfQYIKwYBBQUHAQEEcTBvMCkGCCsGAQUF BzABhh1odHRwOi8vaWdjLm9jc3AuaWRlbnRydXN0LmNvbTBCBggrBgEFBQcwAoY2aHR0cDovL3Zh bGlkYXRpb24uaWRlbnRydXN0LmNvbS9jZXJ0cy9pZ2NkZXZpY2VjYTIucDdjMB8GA1UdIwQYMBaA FD+LR65hHetlI5XEOi3tu0jVIykiMIIBQwYDVR0gBIIBOjCCATYwDQYLYIZIAYb5LwBkJQEwggEj BgtghkgBhvkvAGQmATCCARIwSwYIKwYBBQUHAgEWP2h0dHBzOi8vc2VjdXJlLmlkZW50cnVzdC5j b20vY2VydGlmaWNhdGVzL3BvbGljeS9JR0MvaW5kZXguaHRtbDCBwgYIKwYBBQUHAgIwgbUMgbJD ZXJ0aWZpY2F0ZSB1c2UgcmVzdHJpY3RlZCB0byBSZWx5aW5nIFBhcnR5KHMpIGluIGFjY29yZGFu Y2Ugd2l0aCBJR0MtQ1AgKHNlZSBodHRwczovL3NlY3VyZS5pZGVudHJ1c3QuY29tL2NlcnRpZmlj YXRlcy9wb2xpY3kvaWdjL2luZGV4Lmh0bWwpLiBJR0MtQ1BTIGluY29ycG9yYXRlZCBieSByZWZl cmVuY2UuMEUGA1UdHwQ+MDwwOqA4oDaGNGh0dHA6Ly92YWxpZGF0aW9uLmlkZW50cnVzdC5jb20v Y3JsL2lnY2RldmljZWNhMi5jcmwwGgYDVR0RBBMwEYIPSVBBV1NPUEVOMjAwMDMyMB0GA1UdDgQW BBQ8QhNU0KQ6GUEOz5peBrNTppU+fDAxBgNVHSUEKjAoBggrBgEFBQcDAgYIKwYBBQUHAwUGCCsG AQUFBwMGBggrBgEFBQcDBzANBgkqhkiG9w0BAQsFAAOCAgEAXiYe+0catdoGF4nXiIoyywVkVTaG BacaUIjTceAJv35LhC5gwAM+O3OudKQQbMeIzOcjJluFc4vFjmzL/DxLLKk6IVVZQ+MXO8O5UZ6e 0hSwQv3mO+9JkCYL7M/GIJwiq6XuEiLS7wESwnHq2tIppZNfpcZcMSlQC+4hoUPJuVNU7QVFtvXe 6FaB/zDMTU3pzOuCxn/SNIhBKHVesE8n5soIp5q8U/R/I9vYM52NISzZcYPGUp6Snyd9mVqmxAo+ t3pAgsojLOrSBPLQoPoip/KeKCMahrumQuaHi6t3ML6IlCIuOeNnHEaxnUIWGD7kAswOKsqGGjMN JwXw6TeqrddvCg8Nd0SH7mWI/vjOq/ykZs2q6lB3b/5ur7YjGOdT3310R0VhZ8pxuyUTrR6EFlFR PkWhg46BaEiP1GtzmEW7wT0YStf4wvwDR3HkjpzNoBO92+iwhVHPKyl7T4METnDyTAD+aDn/Xtp/ pZePlh9uOkCqS7NOm6B4Hjra/iL3BQG2gwcE6XOzbETH6/ibKwMroFDAgqe8AA6xdmcajHBf7/wA maMrAQmgbINPpZWjMo3wf2IccUTVHxLaZj+yQZcWMuX9R2H84eTo/CfqmG1RyxcqO0Nd1BS8i8Ii YnCXXUlXkpl0xFj1R1xiGv8bd4l5AGjorijY2Wnub1m4Y4k=