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 Aug 3, 5:46 AM CST, 2 hours 51 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL 646 AM CDT THU AUG 3 2006 .UPDATE... 646 AM CDT ISSUED UPDATE TO REMOVE SEVERE THUNDERSTORM WATCH AS THE LEADING EDGE OF THE BOW ECHO HAS MOVED NE OF THE CWA. STRATIFORM RAIN AND ISOLATED EMBEDDED THUNDER WILL CONTINUE FOR THE NEXT COUPLE HRS...BUT SHOULD RAPIDLY CLEAR OUT DURING LATE MORNING. RRH && .DISCUSSION FOR MORNING GRIDS/ZONES... 200 AM CDT COLD FRONT AS OF 06Z STRETCHING FROM EVANSTON TO AMBOY. TSRA STILL HOLDING STRONG ON THE NOSE OF A LOW LEVEL THERMAL RIDGE...ALONG WHICH SFC TEMPS ARE STILL IN THE LOWER 80S FROM ROCHELLE SOUTHWARD. SOME EARLY CONCERN FOR ISOLD STRONG WIND ESPECIALLY AS MCS NOW CROSSING THE MISSISSIPPI RIVER APPROACHES FROM THE SW. GREATER PROBABILITY HAZARD SHOULD BE RAINFALL AND POTENTIAL FOR GENERALLY MINOR FLOODING THROUGH THE MORNING GENERALLY SOUTH OF I-80...HOWEVER THE 35KT EWD PROPAGATION OF MCS AND SLOW SOUTHWARD DRIFT OF COLD FRONT SHOULD LIMIT DURATION OF HEAVY RAINFALL AT ANY ONE LOCATION. SOUTHWARD FRONTAL SURGE BEHIND THE MCS WILL BRING THE BOUNDARY JUST SOUTH OF THE CWA BY NOON. HIGH PRESSURE BUILDING INTO THE MIDWEST LATE THURSDAY WILL OVERSPREAD MUCH OF THE GREAT LAKES BY FRIDAY. LOCAL SKIES WILL CLEAR THROUGH THIS EVENING AND OVERNIGHT. GRADUAL WARM UP THROUGH SUNDAY AHEAD OF THE NEXT COLD FRONT WHICH IS DUE TO ARRIVE LATE SUNDAY NIGHT. THE LOW CHANCE POPS FOR SUNDAY NIGHT AND MONDAY STILL SEEMS WARRANTED...AS THE GFS HAS BEEN REMARKABLY CONSISTENT WITH THE TIMING OF THE FROPA FOR THE LAST COUPLE DAYS. HIGH PRESSURE DIPS DOWN OUT OF THE PRAIRIE PROVINCES INTO THE UPPER LAKES EARLY NEXT WEEK TO PROVIDE A REINFORCING SHOT OF MORE SEASONALLY MILD AIR AND DRY CONDITIONS. RRH && .AVIATION DISCUSSION FOR 12Z TAFS... 640 AM CDT INITIAL FORECAST PROBLEM WILL BE THE DEPARTING MCS AND RESIDUAL STRATIFORM RAIN IN ITS WAKE. THE FRONT WILL BEGIN SURGING SOUTHWARD AS THE MCS RACES EASTWARD INTO SOUTHERN MICHIGAN. AS IT DOES...SKIES SHOULD BEGIN CLEARING OUT AND THE PRECIP SHOULD END BETWEEN 14 AND 16 UTC ACROSS THE TAF SITES FROM WEST TO EAST. AFTER THIS RAIN CLEARS OUT...WINDS WILL MAINLY BE OUT OF THE NORTH AND WEAKENING AS HIGH PRESSURE SETTLES IN FROM THE CENTRAL PLAINS. WITH THE AMOUNT OF WIDESPREAD RAINFALL...CALM WINDS AND CLEAR SKIES OVERNIGHT...IT LOOKS LIKE THERE WILL BE SOME PATCHY FOG THAT DEVELOPS. THE MAIN CONCERN WILL BE THE LARGE TEMPERATURE/DEW POINT SPREAD THAT MAY LIMIT THE FOG DEVELOPMENT. HALBACH && .LOT WATCHES/WARNINGS/ADVISORIES... .IL...NONE. .IN...NONE. .LM...NONE. &&
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL 625 AM CDT THU AUG 3 2006 ILZ003>006-008-010>014-019>022-023-032-033-039-INZ001-002-010-011- 019-040930- 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- 625 AM CDT THU AUG 3 2006 THIS PORTION OF THE HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL AND NORTHEAST ILLINOIS...AND NORTHWEST INDIANA. .DAY ONE... TODAY AND TONIGHT SCATTERED THUNDERSTORMS WILL REMAIN POSSIBLE THIS MORNING ACROSS NORTHERN ILLINOIS AND NORTHWEST INDIANA. SEVERE WEATHER IS NOT EXPECTED HOWEVER. .DAYS TWO THROUGH SEVEN... FRIDAY THROUGH WEDNESDAY THERE IS ANOTHER CHANCE OF THUNDERSTORMS SUNDAY NIGHT THROUGH MONDAY NIGHT. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED TODAY OR TONIGHT. && COMPLETE FORECAST INFORMATION IS AVAILABLE ON THE NWS CHICAGO WEBPAGE: WEATHER.GOV/CHICAGO (LOWER CASE) LMZ740>745-766-040930- WINTHROP HARBOR IL TO MICHIGAN CITY IN- LAKE MICHIGAN- 625 AM CDT THU AUG 3 2006 THIS PORTION OF THE HAZARDOUS WEATHER OUTLOOK IS FOR THE ILLINOIS AND INDIANA WATERS OF LAKE MICHIGAN. .DAY ONE... TODAY AND TONIGHT SCATTERED THUNDERSTORMS WILL CONTINUE ACROSS SOUTHERN LAKE MICHIGAN THIS MORNING WITH WIND GUSTS TO 20 TO 30 KNOTS POSSIBLE. ALTHOUGH THE SEVERE THUNDERSTORMS HAVE TRACKED OFF TO THE EAST...LOCALLY HIGHER WAVES WILL REMAIN POSSIBLE IN THE WAKE OF THESE THUNDERSTORMS THIS MORNING. .DAYS TWO THROUGH SEVEN... FRIDAY THROUGH WEDNESDAY THERE IS ANOTHER CHANCE OF THUNDERSTORMS SUNDAY NIGHT THROUGH MONDAY NIGHT. && COMPLETE FORECAST INFORMATION IS AVAILABLE ON THE NWS CHICAGO WEBPAGE: WEATHER.GOV/CHICAGO (LOWER CASE)
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
514 AM CDT THU AUG 03 2006
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0512 AM TSTM WND DMG AURORA 41.77N 88.29W
08/03/2006 KANE IL EMERGENCY MNGR
5 INCH DIAMETER TREE DOWN NORMANTOWN ROAD AND MONTGOMERY
ROAD
&&
NMARSILIPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
519 AM CDT THU AUG 03 2006
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0505 AM TSTM WND GST 2 S WESTMONT 41.77N 87.97W
08/03/2006 E60 MPH DUPAGE IL TRAINED SPOTTER
&&
NMARSILIPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
547 AM CDT THU AUG 03 2006
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0440 AM TSTM WND DMG OSWEGO 41.70N 88.33W
08/03/2006 KENDALL IL EMERGENCY MNGR
POWER LINES DOWN AT 13168 GROVE ROAD.
&&
NMARSILIPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
559 AM CDT THU AUG 03 2006
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0500 AM TSTM WND DMG NAPERVILLE 41.76N 88.15W
08/03/2006 DUPAGE IL TRAINED SPOTTER
6 AND 12 INCH DIAMETER TREE BRANCHES DOWN AT WINFIELD AND
JEWELL ROAD.
&&
NMARSILIPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
604 AM CDT THU AUG 03 2006
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0415 AM TSTM WND DMG SHABBONA 41.76N 88.88W
08/03/2006 DE KALB IL PUBLIC
TREES DOWN AND TRANSFORMER BLOWN.
&&
NMARSILIPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
642 AM CDT THU AUG 03 2006
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0530 AM TSTM WND DMG CHICAGO 41.88N 87.63W
08/03/2006 COOK IL EMERGENCY MNGR
SEVERAL TREES DOWN IN DOWNTOWN CHICAGO...MAINLY ACROSS
THE SOUTH SIDE OF THE CITY.
&&
NMARSILIThe Chicago radar (KLOT), 92 km away, was scanning. The volume nearest the first event began at 14:38 UTC.
1 thunderstorm wind. Local standard time, as filed.
A tree was blown down blocking County Road near Willow Flough.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Indiana in 2006Every state in 2006This day in weather historyWarnings in Indiana, August 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: 5525509.