1 thunderstorm wind, as filed by the National Weather Service.
Every event with a place to put it. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Chicago, IL wrote its last area forecast discussion before the first event at Jul 19, 2:00 PM CST, 1 hour earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL 300 PM CDT WED JUL 19 2006 .DISCUSSION... FORECAST FOCUS REMAINS SVR WEATHER THRU THURSDAY AFTERNOON. AREA OF CONVECTION MOVING ACROSS NW IL THIS AFTERNOON. EXPECT THE BULK OF THIS ACTIVITY TO MOVE SE...AFFECTING MAINLY THE SW PART OF THE CWA THRU EARLY EVENING...AS EASTERN CWA REMAINS CAPPED. CAN/T COMPLETELY RULE OUT ACTIVITY ACROSS NORTHERN IL THRU LATE AFTERNOON AND PLAN TO LEAVE WATCH GOING FOR AT LEAST ANOTHER HOUR OR TWO. SHOWERS AND EMBEDDED TS ACROSS WEST CENTRAL WI EXPECTED TO CONTINUE TO DIMINISH THIS AFTERNOON. DEBRIS CLOUDS KEEPING TEMPS A LITTLE COOLER THAN EXPECTED...ONLY MID/UPPER 80S NORTH AND LAKE BREEZE FROM CGX NORTH THRU LAKE COUNTY KEEPING THE NORTH SHORE COOLER. DEWPOINTS HAVE SURGED BACK TO THE LOWER/MID 70S AND EXPECT THIS LOW LEVEL MOISTURE TO REMAIN IN PLACE THRU THURS MORNING. AFTER CURRENT ACTIVITY SLIDES SOUTH OF THE AREA...EXPECT MOST OF THE EVENING TO BE QUIET...WITH NEW ACTIVITY DEVELOPING ACROSS THE PLAINS AND MOVING SOUTHEAST INTO NORTHERN IL AND NORTHWEST INDIANA LATER THIS EVENING AND OVERNIGHT AS THE MAIN SHORTWAVE PASSES THRU THE AREA. MAIN SVR THREAT WILL REMAIN DAMAGING WINDS WITH THESE STORMS. HOWEVER WITH DEWPOINTS IN THE 70S AND PRECIPITABLE WATER VALUES APPROACHING 2 INCHES...HEAVY RAIN AND POSSIBLY LOCALIZED FLOODING WILL ALSO BE A THREAT OVERNIGHT. CHANCE OF PRECIP WILL END FROM NORTH TO SOUTH ON THURSDAY...WITH BEST CHANCES ACROSS THE SOUTHERN CWA...BUT WILL NOT INCLUDE ANY TIMING AT THIS POINT. CHANCE OF SVR WILL CONTINUE THURSDAY...MAINLY ACROSS THE SOUTH AND DEPENDENT ON EXTENT OF SUNSHINE AND INSTABILITY. COOLER TEMPS RETURN THURS NIGHT INTO THE WEEKEND. FEW/MINOR CHANGES AFTER FRIDAY. && .AVIATION DISCUSSION REGARDING 18Z TAFS... 1250 PM CDT ANTICIPATING SEVERE THREAT OF TSTMS AS THE MAIN FOCUS ACROSS TERMINALS. STORM COMPLEX IN ERN IA BEARING DOWN ON NW IL IS NOT FORECAST TO SURVIVE THE TREK ACROSS NRN IL. ACARS SOUNDINGS INDICATE A STRONG CAP OVER THE AREA AND SHUD SEE HEAVY STORMS JUST S OF DBQ START TO FALL APART WITHIN NEXT COUPLE HOURS. SOME SHOWERS OR LITE TSTMS MAY SURVIVE INTO RFD THIS AFTN BUT AM NOT TOO CONCERNED WITH REACHING DPA OR ORD UNTIL MAIN WAVE AHEAD OF COLD FRONT DROPS DOWN THRU NRN IL NEAR MDNGT TONIGHT. GFS QUICKER WITH COLD FRONT PASSAGE IN THE MRNG TO EARLY AFTN ACROSS TERMINALS. WILL LIKELY BE SOME SHOWERS OR SCT TSTMS IN AREA AFTER DAYBREAK BUT POPS WILL BE SMALLER THAN THE OVERNIGHT EVENT. NORTH WINDS ON BACK OF FRONT LIKELY TO BRING DOWN MVFR CIGS THURS AFTN. RLB && .LOT WATCHES/WARNINGS/ADVISORIES... .IL...NONE. .IN...NONE. .LM...NONE. &&
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL 400 PM CDT WED JUL 19 2006 ILZ003>006-008-010>014-019>022-023-032-033-039-INZ001-002-010-011- 019-200930- WINNEBAGO-BOONE-MCHENRY-LAKE IL-OGLE-LEE-DE KALB-KANE-DU PAGE-COOK- LA SALLE-KENDALL-GRUNDY-WILL-KANKAKEE-LIVINGSTON-IROQUOIS-FORD- LAKE IN-PORTER-NEWTON-JASPER-BENTON- 400 PM CDT WED JUL 19 2006 THIS PORTION OF THE HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL AND NORTHEAST ILLINOIS...AND NORTHWEST INDIANA. .DAY ONE... TONIGHT THERE IS A MODERATE RISK FOR SEVERE THUNDERSTORMS TONIGHT...MAINLY SOUTH OF A LINE FROM OREGON... TO JOLIET... TO REMINGTON INDIANA. THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS THE REST OF THE AREA. THE MAIN THREATS FROM THESE THUNDERSTORMS WILL BE DAMAGING WINDS... LARGE HAIL AND HEAVY RAIN WHICH MAY CAUSE LOCALIZED FLOODING. THUNDERSTORMS WILL MOVE SOUTH ACROSS WEST CENTRAL ILLINOIS THROUGH EARLY EVENING. SOME OF THESE THUNDERSTORMS MAY BE SEVERE. THUNDERSTORMS ARE EXPECTED TO DEVELOP OVER WEST CENTRAL IOWA THIS EVENING...THEN MOVE EAST SOUTHEAST INTO NORTHERN ILLINOIS AND NORTHWEST INDIANA LATER THIS EVENING AND OVERNIGHT. SOME OF THESE THUNDERSTORMS MAY BE SEVERE...PRODUCING DAMAGING WINDS AND HEAVY RAIN. .DAYS TWO THROUGH SEVEN... THURSDAY THROUGH TUESDAY THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS THE ENTIRE FORECAST AREA ON THURSDAY. THUNDERSTORMS MAY BE ONGOING MAINLY ACROSS LOCATIONS NORTH OF INTERSTATE 80 EARLY THURSDAY MORNING WITH A POTENTIAL FOR DAMAGING WINDS EARLY IN THE MORNING. BY AFTERNOON...THE THREAT OF SEVERE WEATHER WILL SHIFT TO LOCATIONS SOUTH OF INTERSTATE 80 AS A COLD FRONT TRACKS SOUTHEASTWARD. THE MAIN THREATS WITH ANY THUNDERSTORMS ACROSS THESE LOCATIONS THURSDAY AFTERNOON INTO EARLY EVENING WILL BE LARGE HAIL AND DAMAGING WINDS. .SPOTTER INFORMATION STATEMENT... SPOTTERS WILL BE NEEDED TONIGHT. && COMPLETE FORECAST INFORMATION IS AVAILABLE ON THE NWS CHICAGO WEBPAGE: WEATHER.GOV/CHICAGO (LOWER CASE) LMZ740>745-766-200930- WINTHROP HARBOR IL TO MICHIGAN CITY IN- LAKE MICHIGAN- 400 PM CDT WED JUL 19 2006 THIS PORTION OF THE HAZARDOUS WEATHER OUTLOOK IS FOR THE ILLINOIS AND INDIANA WATERS OF LAKE MICHIGAN. .DAY ONE... TONIGHT THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS SOUTHERN LAKE MICHIGAN OVERNIGHT. THE MAIN THREATS FROM THESE STORMS WILL BE DAMAGING WINDS AND LARGE HAIL. .DAYS TWO THROUGH SEVEN... THURSDAY THROUGH TUESDAY THERE IS A CONTINUED CHANCE OF THUNDERSTORMS THURSDAY MORNING. THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS EARLY THURSDAY MORNING WITH THE MAIN THREAT BEING THUNDERSTORM WIND GUSTS IN EXCESS OF 45 KNOTS. && COMPLETE FORECAST INFORMATION IS AVAILABLE ON THE NWS CHICAGO WEBPAGE: WEATHER.GOV/CHICAGO (LOWER CASE)
The Chicago radar (KLOT), 102 km away, was scanning. The volume nearest the first event began at 21:00 UTC.
1 thunderstorm wind. Local standard time, as filed.
Four inch diameter tree limbs blown down on Meridian Road along the LaSalle/Putnam County line.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Illinois in 2006Every state in 2006This day in weather historyWarnings in Illinois, July 2006
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5519455.