1 flash flood, as filed by the National Weather Service.
Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. 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 Lincoln, IL wrote its last area forecast discussion before the first event at Aug 28, 12:30 PM CST, 6 hours earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE LINCOLN IL 130 PM CDT SAT AUG 28 2004 .DISCUSSION... MAIN FORECAST CONCERNS ARE PRECIP CHANCES AND CLOUD TRENDS TONIGHT. QUIET WEATHER IN THE OFFERING THROUGH THE EXTENDED FORECAST WITH NEAR NORMAL TEMPERATURES. MEDIUM RANGE MODELS SIMILAR AND STAYED FAIRLY CLOSE TO THE 00 AND 12Z GFS RUNS. MOS GUIDANCE CLOSE AND DIDNT STRAY FAR. SHORT TERM...TONIGHT THROUGH MONDAY NIGHT... 17Z SFC CHART SHOWS SEMI STATIONARY FRONT DRAPED ACROSS THE CWA WITH LOW PRESSURE NOTED NEAR PIA AND STL. RADARS SHOWING SCT SHOWERS/TSRA OVER NW CORNER OF THE CWA AND FAR SE CORNER. LARGEST BULK OF CONVECTION NOW OVER SOUTHERN MO AND AR. 12Z 850 AND 925 MB CHARTS STILL SHOW A BLOCKING HIGH OVER THE SE US WHICH IS SLOWING DOWN THE FRONTAL MOVEMENT THRU THE CWA. HAVE SOME CONCERNS OVER HOW FAR SOUTH AND EAST THE FRONT WILL MAKE IT TONIGHT BUT ALL MODELS CONTINUE TO INSIST ON MOVING THE FRONT STEADILY ON OUT OF THE AREA WITH DECR PRECIP CHANCES THRU THE EVENING AND OVERNIGHT HOURS. WILL STICK WITH THIS THOUGHT IN MIND BUT MAY MAKE LAST MINUTE TWEAK TO POPS BASED ON LATEST RADAR TRENDS. BEST DYNAMICS AND MOISTURE REMAINS JUST SOUTH AND SW OF THE AREA. WILL HOLD ONTO MOSTLY CLOUDY SKIES THROUGH THE OVERNIGHT HOURS. OVERNIGHT LOWS LOOK A BIT TRICKY WITH LINGERING CLOUD COVER AND PATCHY FOG ALSO STILL POSSIBLE BUT WILL HOLD OFF ON PUTTING IN THE ZONES/GRIDS FOR NOW. HIGH PRESSURE AND DRIER AIR BUILDS INTO THE AREA TOMORROW WITH HIGHS GENERALLY IN THE MID 70S AND UPPER 70S FAR SE. PARTLY CLOUDY SUN NIGHT AND INTO MONDAY. WEAK FRONT MOVES INTO THE AREA DURING THE AFTERNOON HOURS MON BUT MOISTURE LOOKS PRETTY LIMITED SO WONT INTRODUCE ANY PCPN CHANCES. 12Z GFS MODEL MAKES A LITTLE MORE OUT OF THE SYSTEM THAN THE ETA DOES. KEPT IT PARTLY CLOUDY MON NIGHT WITH LOWS STILL COMFORTABLE IN THE MID TO UPPER 50S. LONG TERM...TUESDAY THROUGH SATURDAY... SAW NO NEED TO MAKE ANY SIGNIFICANT CHANGES TO THE EXTENDED FORECAST. HIGH PRESSURE SFC AND ALOFT TO DOMINATE WITH NEAR SEASONAL TEMPS. NOTED THAT THE ENSEMBLE MEAN TEMPS ARE RUNNING A COUPLE DEGREES COOLER THAN THE MEX MOS BUT LEANED A LITTLE CLOSER TO THE MEX NUMBERS CONSIDERING WEAK RIDGING ALOFT AND AMPLE SUN. UPPER FLOW PATTERN GOES SEMI ZONAL THROUGH THE MID-LATE WEEK. WEAK DISTURBANCE IN THE FLOW BY THUR WILL HAVE TO BE WATCHED BUT WILL KEEP THE GRIDS DRY FOR NOW. NOTED THE GFS MODEL MARCHES HURRICANE FRANCES ACROSS THE FLA STRAITS AND INTO THE GULF NEXT WEEKEND. && .ILX WATCHES/WARNINGS/ADVISORIES... .IL...NONE. && HALL
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE LINCOLN IL 1115 AM CDT SAT AUG 28 2004 ILZ027>031-036>038-040>057-061>063-066>068-071>073-291100- CASS-CHAMPAIGN-CHRISTIAN-CLARK-CLAY-COLES-CRAWFORD-CUMBERLAND- DE WITT-DOUGLAS-EDGAR-EFFINGHAM-FULTON-JASPER-KNOX-LAWRENCE-LOGAN- MACON-MARSHALL-MASON-MCLEAN-MENARD-MORGAN-MOULTRIE-PEORIA-PIATT- RICHLAND-SANGAMON-SCHUYLER-SCOTT-SHELBY-STARK-TAZEWELL-VERMILION- WOODFORD- INCLUDING THE CITIES OF...BLOOMINGTON...CHAMPAIGN...DANVILLE... DECATUR...EFFINGHAM...FLORA...GALESBURG...HAVANA...JACKSONVILLE... LAWRENCEVILLE...LINCOLN...MATTOON...PEORIA...SHELBYVILLE... SPRINGFIELD AND TAYLORVILLE 1115 AM CDT SAT AUG 28 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL AND SOUTHEAST ILLINOIS. .DAY ONE...THIS AFTERNOON AND TONIGHT... A COLD FRONT WILL SLOWLY MOVE THROUGH THE AREA THIS AFTERNOON AND INTERACT WITH A HUMID AIRMASS. THUNDERSTORMS WILL BE TRIGGERED ALONG AND AHEAD OF THIS FRONT THIS AFTERNOON AND INTO THE OVERNIGHT HOURS. THESE STORMS ARE NOT EXPECTED TO BECOME SEVERE AT THIS TIME...SO NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED THROUGH TONIGHT. && THIS PRODUCT...ALONG WITH OTHER WEATHER...HYDROLOGIC AND CLIMATE INFORMATION...IS AVAILABLE ON THE WEB AT: HTTP://WWW.CRH.NOAA.GOV/ILX. THIS ADDRESS IS ALL IN LOWER CASE. BYRD
The Indianapolis radar (KIND), 135 km away, was scanning. The volume nearest the first event began at 00:31 UTC.
1 flash flood. Local standard time, as filed.
Very heavy rain caused Illinois Routes 49 and 9 to become flooded in Rankin.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Illinois in 2004Every state in 2004This day in weather historyWarnings in Illinois, August 2004
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: 5419369.