Chicagoland weather radar shows strong storms passing just east of Rockford. The radar image shows a bowing echo, which indicates high winds.
SEVERE THUNDERSTORM WATCH with radar showing storms approaching. Bowing echo indicates high winds … pic.twitter.com/VpP9DzGtaX
— Cardinal Weather (@CardinalWeather) June 30, 2014
SEVERE THUNDERSTORM WATCH OUTLINE UPDATE FOR WS 375NWS STORM PREDICTION CENTER NORMAN OK 335 PM CDT MON JUN 30 2014 SEVERE THUNDERSTORM WATCH 375 IS IN EFFECT UNTIL 900 PM CDT FOR THE FOLLOWING LOCATIONS . ILLINOIS COUNTIES INCLUDED ARE COOK DUPAGE FORD GRUNDY IROQUOIS KANE KANKAKEE KENDALL LAKE LIVINGSTON MCHENRY WILL $$
Flash Flood Watch
FLOOD WATCH NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL 424 PM CDT MON JUN 30 2014 MCHENRY-LAKE IL-DE KALB-KANE-DUPAGE-COOK-LA SALLE-KENDALL-GRUNDY- WILL-KANKAKEE-LIVINGSTON-LAKE IN-PORTER- INCLUDING THE CITIES OF...WOODSTOCK...WAUKEGAN...DEKALB... AURORA...WHEATON...CHICAGO...OTTAWA...OSWEGO...MORRIS...JOLIET... KANKAKEE...PONTIAC...GARY...VALPARAISO 424 PM CDT MON JUN 30 2014 ...FLASH FLOOD WATCH IN EFFECT UNTIL 4 AM CDT TUESDAY... THE NATIONAL WEATHER SERVICE IN CHICAGO HAS EXPANDED THE * FLASH FLOOD WATCH TO INCLUDE PORTIONS OF ILLINOIS AND NORTHWEST INDIANA...INCLUDING THE FOLLOWING COUNTIES...IN ILLINOIS...COOK...DE KALB...DUPAGE...GRUNDY...KANE... KANKAKEE...KENDALL...LA SALLE...LAKE IL...LIVINGSTON...MCHENRY AND WILL. IN NORTHWEST INDIANA...LAKE IN AND PORTER. * UNTIL 4 AM CDT TUESDAY. * THUNDERSTORMS ARE CURRENTLY SHIFTING EASTWARD FROM EASTERN IOWA LATE THIS AFTERNOON. THIS LINE OF STORMS IS EXPECTED TO ARRIVE THIS EVENING AND WILL BE CAPABLE OF PRODUCING TORRENTIAL RAINFALL WITH 2 TO 3 INCHES OF RAIN POSSIBLE BY EARLY TUESDAY MORNING. THIS AMOUNT OF RAIN COMBINED WITH HEAVY RAINS THAT FELL THIS MORNING...MAY LEAD TO FLASH FLOODING. * FLASH FLOODING MAY CAUSE ROADS TO BE CLOSED AND IMPASSIBLE AND CAUSE RISES ON AREA RIVERS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED.