1 tornado, 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 Lincoln, IL wrote its last area forecast discussion before the first event at Nov 1, 2:45 PM CST, 50 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE LINCOLN IL 245 PM CST MON NOV 1 2004 .DISCUSSION... MAIN CONCERNS THIS PACKAGE WILL BE CONTINUING OF FLOOD WATCH AND CHANCES OF PCPN TOMORROW THROUGH WEDNESDAY NIGHT. THEN FOCUS WILL BE ON TEMPERATURES IN THE MED/LONG RANGE. MODELS VERY SIMILAR THROUGH 30HRS AND SEEM TO HANDLE FIRST WAVE LIFTING OUT OF SOUTH WELL. AFTER THAT ETA BECOMES THE ODD MODEL OUT...PERTAINING TO THE HANDLING OF THE NEXT WAVE/SFC LOW LIFTING OUT OF THE SOUTHERN PLAINS. GFS/CANADIAN/ECMWF ALL AGREE ON POSITION OF NEXT SFC LOW LIFTING NORTHEAST OUT OF THE SOUTHERN MISS VLY INTO NORTHERN ALA BY 18Z WED. ETA APPEARS TO BE TOO FAR WEST NEAR THE UPPER LVL LOW IN MO...HAVING THE PCPN FURTHER NORTHWEST IN THE COLDER AIR. GFS FITS THE CONCEPTUAL MODEL MUCH BETTER AND AGREES WITH ENSEMBLES. THEREFORE WILL FOLLOW COMPROMISE WITH THE FIRST WAVE LIFTING OUT THEN FOLLOW GFS THROUGH DAY 7. SHORT TERM...TONIGHT THROUGH THURSDAY NIGHT... SFC LOW IN EASTERN MO WILL CONTINUE TO LIFT TO THE NORTHEAST TONIGHT. LINE OF HEAVIEST PCPN WILL NOW MOVE INTO EASTERN AND SOUTHEASTERN IL FOR THE NIGHT. 50KT LOW LVL WINDS WILL CONTINUE TO ADVECT +12 TO +14C DEWPOINT AIR INTO THE AREA...COMBINED WITH GOOD DYNAMICS AND UPPER LVL DIVERGENCE. PW VALUES ALSO WILL BE OVER 1.5 INCHES IN THE SAME AREA. THEREFORE WILL KEEP FLOOD WATCH GOING...MAINLY FOR THE EASTERN AND SOUTHEASTERN PARTS OF THE CWA. HAVE NOT DECIDED WHAT TO DO WITH THE REMAINDER OF THE CWA FOR TONIGHT. WILL ALSO REMOVE MENTION OF HEAVY RAIN IN THE WESTERN HALF OF THE CWA FOR OVERNIGHT. BY TOMORROW...THE BULK OF THE PCPN WILL BE EAST OF THE AREA...WHERE THE BEST MOISTURE AND LIFT WILL BE. HOWEVER...WILL KEEP CHC POPS IN FOR TUE AS NORTHERN STREAM 500 TROUGH IS STILL TO THE WEST OF THE AREA. TUE NIGHT WILL BE DRY AS THE NORTHERN 500 TROF MOVES EAST OF THE AREA AND A LARGE 500 CUT OFF LOW BEGINS TO DEVELOP IN THE SOUTHERN PLAINS. BY WED...THE CUT OFF LOW AND RELATED SFC SYSTEM BEGINS TO LIFT OUT THE SOUTH. DECENT ISENTROPIC LIFT RETURNS TO THE AREA WITH SPECIFIC HUMIDITY OF +8G/KG ON THE 300K LAYER. THIS WILL BEGIN TO MOVE INTO THE SOUTHERN HALF OF THE CWA WED MORNING AND THEN OVERSPREAD THE AREA BY AFTERNOON. A NICE AREA OF OMEGA WILL ALSO BE OVER THE AREA. WILL GO WITH CHC POPS FOR NOW BUT MAY NEED TO RAISED TO LIKELY IF MODELS CONTINUE THE TREND TOMORROW. PCPN SHOULD MOVE EAST THROUGH THE AREA WED NIGHT. AFTER THE TROUGH MOVES THROUGH...AREA WILL BE IN NORTHWEST FLOW FOR THUR AND THUR NIGHT. AREA WILL HAVE SOME BRIEF RIDGING DURING THE DAY AS LARGE AREA OF HI PRSS BEGINS TO DOMINATE THE WESTERN HALF OF THE US. A S/W WILL ALSO MOVE SOUTHEAST IN THE FLOW THUR NIGHT...BUT BELIEVE MOISTURE WILL BE VERY LIMITED. THEREFORE WILL NOT HAVE ANY PCPN AT THIS TIME. LARGE TEMP GRADIENT WILL BE SEEN TONIGHT AS SOUTHEASTERN CWA WILL BE IN WARM SECTOR SOME TONIGHT. HAVE TRIED TO BLEND WITH SURROUNDING OFFICES. OTHERWISE HAVE TRIED TO FOLLOW THE COOLER MAV THROUGH THE PERIOD. LONG TERM...FRIDAY THROUGH MONDAY... NORTHWEST FLOW WILL BE THE DOMINATE FEATURE FOR DAYS 4-7. NEAR THE END OF THE PERIOD THE TROUGH IN THE EAST GETS DEEPER WITH STRONG RIDGING IN THE WEST. THE ONLY EFFECT THIS WILL HAVE ON CNTRL IL WILL BE FOR COOLING TEMPS OVER THE WEEKEND. MEX GUIDANCE TRENDS ON THE COOLER SIDE...SO WILL FOLLOW CLOSELY. && .ILX WATCHES/WARNINGS/ADVISORIES... .IL...FLOOD WATCH FOR EASTERN AND SOUTHEASTERN ILLINOIS TIL MIDNIGHT. && AUTEN
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE LINCOLN IL 1106 AM CST MON NOV 1 2004 ILZ027>031-036>038-040>057-061>063-066>068-071>073-021200- 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 1106 AM CST MON NOV 1 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL AND SOUTHEAST ILLINOIS. .DAY ONE...TODAY AND TONIGHT A LARGE STORM SYSTEM WILL LIFT NORTHEASTWARD OUT OF THE SOUTHERN PLAINS TODAY. WIDESPREAD RAIN AND ISOLATED THUNDERSTORMS ARE EXPECTED AS THIS SYSTEM APPROACHES TODAY AND TONIGHT. ANY THUNDERSTORMS THAT DEVELOP ARE NOT EXPECTED TO BECOME SEVERE. HOWEVER...RAIN WILL BE HEAVY TIMES...POSSIBLY RESULTING IN FLOODING. AS A RESULT...A FLOOD WATCH REMAINS IN EFFECT THROUGH THIS EVENING. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED. && 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. BARNES
The Lincoln radar (KILX), 105 km away, was scanning. The volume nearest the first event began at 21:34 UTC.
1 tornado. Local standard time, as filed.
A tornado touched down 3 miles west northwest of Sidney. Two barns were destroyed and one home sustained minor damage. The tornado lifted 3.2 miles northwest of Sidney. No injuries were reported.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Illinois in 2004Every state in 2004This day in weather historyThe tornado archive for Illinois, 2004Warnings in Illinois, November 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: 5425241.