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 St. Louis, MO wrote its last area forecast discussion before the first event at Mar 26, 4:30 AM CST, 8 hours 15 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE ST LOUIS MO 430 AM CST FRI MAR 26 2004 .DISCUSSION... PCPN TRENDS WL BE THE MAIN FCST PROBLEM THIS FCST CYCLE. AMPLE MSTR WL RMN IN PLACE THRUOT THE NXT FEW DAYS/NGTS...SO MAIN CONCERN FOR TIMING OF PCPN WL BE PICKING OUT DYNAMICS RQRD TO PRODUCE THE NECESSARY LFT. PCPN ACR THE REGION ERY TDAY HAS BEEN ON THE INCR SINCE 06Z...IN RESPONSE TO THE APRCH OF THE FIRST SHTWV. IN THE NR TERM...MDLS SEEM TO BE IN FAIRLY AGREEMENT THAT THE SHTWV ENERGY WL SHEAR E ACR LWR GTLKS TDA...EVENTUALLY TAKING THIS MRNGS PCPN PTRN AND LAYING IT OUT IN AN E-W CORRIDOR RUFLY CNTRD ON I-70 DURG THE AFTN. VEERING OF THE 85H FLOW SHUD RESULT IN REFOCUSING OF THE MSTR CNVGC/UVV OVR THIS REGION DURG AFTN....MUCH AS DEPICTED BY BOTH THE GFS AND ETA. GIVEN THE MOIST AND SMWHAT UNSTBL AMS THAT IS OVR AREA NOT SURE THAT ANY PD WL BE TOTALLY RAIN-FREE. THE BEST CHC FOR A LULL IN THE PCPN SHUD BE TNGT AS SHTWV RDG WORKS ACR AREA...BUT PASSAGE OF RDG AND INCRG WRM ADV WL RETURN HIER POPS TO NW SECTIONS OF THE FA ON SAT. WL GO WITH A BLEND OF MAV/MOS POPS FOR THESE PDS. ABV THINKING IS SUPPORTED BY GENL MDL TRENDS...ALTHO IT CERTAINLY APRS GFS IS HAVING CNVTV FEEDBACK PROBLEMS BY 12Z/27 SO IT IS PROB A BIT TOO HVY ON THE PCPN ON SAT. VRY WRM AMS FOR LT MARCH WL KP TEMPS VRY SPRING-LIKE...IN SPITE OF THE CLDS. MIX OF MET/FWC TEMPS LKS BGNG THE DAY VRY WRM SO 70 SHUD NOT BE TOO HARD TO REACH IN MOST AREAS. MOS MINS MAY BE A BIT COOL TNGT...AND SPCLY SAT NGT WITH CLDS AND STOUT S WND. APRCH OF UPR TROF ON SAT NGT AND SUN SHUD BRING HI POPS TO ENTR FA AS WDSPRD SHRA/TSRA SWEEP ACR CNTRL U.S. && .LSX WATCHES/WARNINGS/ADVISORIES... .MO...NONE. .IL...NONE. TRUETT
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE ST LOUIS MO 650 AM CST FRI MAR 26 2004 ILZ095>097-MOZ018-019-026-027-034>036-041-042-047-048-050-051-271300- ADAMS IL-AUDRAIN-BOONE-BROWN-CALLAWAY-COLE-KNOX-LEWIS-MARION- MONITEAU-MONROE-MONTGOMERY-PIKE-PIKE IL-RALLS-SHELBY- 650 AM CST FRI MAR 26 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL AND EASTERN MISSOURI AS WELL AS WEST CENTRAL ILLINOIS. .DAY ONE...TODAY AND TONIGHT OCCASIONAL SHOWERS AND THUNDERSTORMS WILL MOVE THROUGH THE AREA THIS MORNING. WHILE THESE STORMS ARE NOT EXPECTED TO PRODUCE LARGE HAIL AND DAMAGING WINDS...THEY WILL BE PRODUCING VERY HEAVY RAIN. THE STORMS WILL DECREASE IN COVERAGE THIS AFTERNOON...BUT A CHANCE OF THUNDERSTORMS WILL PERSIST INTO TONIGHT. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY WARM AND UNSTABLE AIR WILL CONTINUE THE THREAT OF SHOWERS AND THUNDERSTORMS ACROSS THE REGION SATURDAY...SATURDAY NIGHT...AND INTO SUNDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT. HOWEVER... SPOTTERS ARE ENCOURAGED TO REPORT ANY HEAVY RAINS OR STANDING WATER IN THEIR AREAS. ILZ058>060-064-065-069-070-074-098>102-MOZ049-052-059>065-271300- BOND IL-CALHOUN IL-CLINTON IL-FAYETTE IL-FRANKLIN-GASCONADE- GREENE IL-JEFFERSON-JERSEY IL-LINCOLN-MACOUPIN IL-MADISON IL- MARION IL-MONROE IL-MONTGOMERY IL-OSAGE-ST CHARLES-ST CLAIR IL- ST LOUIS-ST LOUIS CITY-WARREN-WASHINGTON IL- 650 AM CST FRI MAR 26 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EAST CENTRAL MISSOURI AND SOUTHWEST ILLINOIS. .DAY ONE...TODAY AND TONIGHT OCCASIONAL SHOWERS AND THUNDERSTORMS WILL MOVE THROUGH THE AREA TODAY. WHILE THESE STORMS ARE NOT EXPECTED TO PRODUCE LARGE HAIL AND DAMAGING WINDS...A FEW OF THE STORMS THIS MORNING WILL PRODUCE BRIEF HEAVY DOWNPOURS. A CHANCE OF THUNDERSTORMS WILL CONTINUE ACROSS THE AREA TONIGHT. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY WARM AND UNSTABLE AIR WILL CONTINUE THE THREAT OF SHOWERS AND THUNDERSTORMS ACROSS THE REGION SATURDAY...SATURDAY NIGHT...AND INTO SUNDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT. HOWEVER... SPOTTERS ARE ENCOURAGED TO REPORT ANY HEAVY RAINS OR STANDING WATER IN THEIR AREAS. ILZ079-MOZ072>075-084-085-099-271300- CRAWFORD-IRON-MADISON-RANDOLPH IL-REYNOLDS-ST FRANCOIS-STE GENEVIEVE- WASHINGTON- 650 AM CST FRI MAR 26 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST MISSOURI AND A SMALL PART OF SOUTHWEST ILLINOIS. .DAY ONE...TODAY AND TONIGHT OCCASIONAL SHOWERS AND THUNDERSTORMS WILL MOVE THROUGH THE AREA TODAY...BUT THESE STORMS ARE NOT EXPECTED TO BE SEVERE. A CHANCE OF THUNDERSTORMS WILL PERSIST INTO TONIGHT. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY WARM AND UNSTABLE AIR WILL CONTINUE THE THREAT OF SHOWERS AND THUNDERSTORMS ACROSS THE REGION SATURDAY...SATURDAY NIGHT...AND INTO SUNDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT. TRUETT
The Evansville,IN radar (KVWX), 113 km away, was scanning. The volume nearest the first event began at 18:48 UTC.
1 flash flood. Local standard time, as filed.
Heavy rain caused some flash flooding around Salem. The Marion County Sheriff reported several roads in and near Salem flooded.
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, March 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: 5386776.