4 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 26, 12:45 PM CST, 2 hours 28 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL 145 PM CDT TUE JUL 26 2005 .PRELIMINARY DISCUSSION... PATTERN CHANGE UNDERWAY TO BRING COOLER/DRIER AIR INTO AREA. AFTER TODAY, NO RAIN IN FORECAST SO THE DROUGHT WILL CONTINUE AS RECENT TS TOO LOCALIZED TO END IT OVER THE AREA. STILL NEED 7-9 INCHES OVER THE AREA TO REALLY END IT. MAIN TS ACTIVITY THIS AFTERNOON TO BE FAR SE WITH A MIX OF SHRA/AND A FEW TSRA REST OF AREA. WATER VAPOR PICS STILL SHOW MAIN ENERGY BACK IN W IA WITH BROAD AREA SHRA AHEAD OF IT INTO SW WI. THIS WIL CROSS AREA THIS EVENING/TONIGHT WITH A WIDESPREAD BUT LIGHT PRECIP EVENT. SECONDARY TROF MOVES THRU BY MORNING WITH THE REAL COOLER/DRIER AIR. GFS THE FASTEST TO PUSH THE RH OUT OF AREA BY 12Z WITH NGM/NAM SLOWER. WILL SPLIT DIFFERENCE AS THE NGM/NAM LOOK A LITTLE TOO SLOW BASED ON THEIR 700 TROF FORECAST. BUT GFS WAY TOO HIGHS IN ITS QPF FORECAST FROM 00-06Z OVER NE IL JUST S OF CHI AS MAIN INSTABILITY WILL BE IN CENTRAL/S IL/IN. LOOKS LIKE THIS COOLING RELATIVEY SHORT LIVED AS UPPER LEVEL HEAT HIGH BACK OVER S ROCKIES BY SATURDAY NIGHT SO SOME HEAT RETURNS WITH TIME BUT FLOW THEN BEGINS TO BUCKLE SO NOTHING LIKE THIS PAST WEEKEND, JUST BACK TO SEASONAL HIGHS. WITH BROAD WEAK HIGH OVER AREA LOOKS LIKE SOME LAKE COOLING EACH DAY EXCEPT MAYBE SUNDAY. AT 1PM QUITE A TEMP CONTRAST ACROSS FORECAST AREA WITH ONLY 70 AT RFD IN THE CLOUDS/SHRA BUT 90 AT KANKAKEE. AF && .AVIATION DISCUSSION REAGRDING 18Z TAFS: GUIDANCE HAS COME INTO FAIRLY DECENT AGREEMENT IN BRINGING LOWER CIGS/MVFR VIS ACROSS AREA DURING THE COURSE OF THIS AFTN-EVENING. WATER VAPOR SATLT IMAGERY CURRENTLY SHOWS A MID LVL SHORT WAVE TROF FROM SWRN IA...TRAILING SWWD ACROSS NWRN MO. THIS FEATURE HAS A SFC REFLECTION IN THE FORM A WEAK LOW PRES CENTER E OF MCI. AS THIS TRACKS NEWD ALONG A COLD FRONT NOW MOVG THRU THE AREA...PCPN IS FCST TO INCRS IN COVG. RAIN IS NOW MOVG INTO RFD AREA...AND SHOULD DVLP/REACH CHI AREA TERMINALS BY 21Z. CIGS TO LWR TO LOW END OF MVFR RANGE THIS EVENING...WITH A BKN-OVC MVFR LYR PERSISTING THRU TNGT IN ZONE OF SIG LLVL COLD ADVECTION. MIXING WITHIN MUCH DRIER AMS ON WED MRNG EXPECTED TO ALLOW CIGS TO SCATTER OUT. VIS TO LWR TO MVFR IN RAIN THIS EVENING...THEN IMPROVE TO UNRESTRICTED AGAIN AS PCPN ENDS ARND 03Z. NO FOG OR LWR VIS EXPECTED DUE TO LWRG SFC DEW POINTS. FRONT CURRENTLY RUNS FROM N OF UGN-NR BRL. THIS REPRESENTS A WNDSHFT FROM WSWLY TO NLY/NNWLY. FRONT SHOULD CLR TERMINALS BY LATE THIS AFTN WITH NLY WINDS ARND 15 KTS RMNG ELEVATED THRU TNGT. MERZLOCK && .WATCHES/WARNINGS/ADVISORIES... .IL...NONE. .IN...NONE. .LK MI...NONE.
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL 345 PM CDT TUE JUL 26 2005 ILZ003>006-008-010>014-019>022-023-032-033-039-INZ001-002-010-011- 019-271100- 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- 345 PM CDT TUE JUL 26 2005 THIS PORTION OF THE HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL AND NORTHEAST ILLINOIS...AND NORTHWEST INDIANA. .DAY ONE... TONIGHT THERE IS A SLIGHT RISK OF SEVERE WEATHER SOUTH OF A LINE FROM PIPER CITY TO WHEATFIELD LATE THIS AFTERNOON. THE MAIN THREATS FROM THESE STORMS WILL BE DAMAGING WIND GUSTS. ELSEWHERE SHOWERS AND A FEW THUNDERSTORMS WILL OCCUR UNTIL ABOUT MIDNIGHT. THERE IS AN INCREASED RISK OF RIP CURRENTS ALONG THE INDIANA SHORELINE FROM GARY TO MICHIGAN CITY TONIGHT. .DAYS TWO THROUGH SEVEN... WEDNESDAY THROUGH MONDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTERS MAY BE NEEDED THIS EVENING. && COMPLETE FORECAST INFORMATION IS AVAILABLE ON THE NWS CHICAGO WEBPAGE: WEATHER.GOV/CHICAGO (LOWER CASE) LMZ740>745-766-271100- WINTHROP HARBOR IL TO MICHIGAN CITY IN- LAKE MICHIGAN- 345 PM CDT TUE JUL 26 2005 THIS PORTION OF THE HAZARDOUS WEATHER OUTLOOK IS FOR THE ILLINOIS AND INDIANA WATERS OF LAKE MICHIGAN. .DAY ONE... TONIGHT SHOWERS AND A FEW THUNDERSTORMS WILL OCCUR ACROSS SOUTHERN LAKE MICHIGAN UNTIL ABOUT MIDNIGHT. A SMALL CRAFT ADVISORY IS IN EFFECT TONIGHT FOR THE NEARSHORE WATERS. .DAYS TWO THROUGH SEVEN... WEDNESDAY THROUGH MONDAY A SMALL CRAFT ADVISORY WILL BE IN EFFECT FOR THE NEARSHORE WATERS WEDNESDAY. && COMPLETE FORECAST INFORMATION IS AVAILABLE ON THE NWS CHICAGO WEBPAGE: WEATHER.GOV/CHICAGO (LOWER CASE)
The Chicago radar (KLOT), 100 km away, was scanning. The volume nearest the first event began at 21:13 UTC.
4 thunderstorm wind. Local standard time, as filed.
Tree limbs were blown down from Wenona to Dana across far southern LaSalle County.
Trees were blown down on Dana Road south of Long Point. Tree limbs were blown down across northwest Livingston County.
A gust to 60 mph was reported in Ottawa with some tree damage.
A gust to 60 mph was reported in Onarga and Crescent City.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Illinois in 2005Every state in 2005This day in weather historyWarnings in Illinois, July 2005
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: 5463060, 5463061, 5463062, 5463063.