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 Aug 26, 12:57 AM CST, 5 hours 3 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE ST LOUIS MO 157 AM CDT SAT AUG 26 2006 .DISCUSSION... LARGE MCS OVR ERN KS AND NWRN QUARTER OF MO WILL MOVE EWD THRU MUCH OF THE CWA THIS MRNG AND PLAN TO GO WITH HIGH POPS THIS MRNG ESPECIALLY OVR THE NRN AND WRN PTN OF THE CWA. THIS MCS MAY LEAVE AN OUTFLOW BNDRY ACRS THE SRN PTN OF THE CWA FOR NEW CONVECTION TO DVLP ALNG THIS AFTN INTO THE EVNG...WITH ACTUAL SLOW MOVG SYNOPTIC CDFNT STILL ACRS NRN MO. WILL LIKELY FOLLOW THE NAM SOLUTION AS THE GFS HAS FEEDBACK PROBLEMS ALREADY BGNG AT 6 HRS AFT FCST INITIALIZATION. A LOT OF UNCERTAINTY TGT AS TO WHERE CONVECTION WILL INITIATE. NAM MDL HAS A SLY LLJ FOCUSED INTO WRN AND CNTRL KS WITH A SWLY LLJ AIMED AT THE OH VLY REGION. EVEN WITHOUT STG LOW LVL FRCG OVR OR NR CWA ASSOCIATED WITH A LLJ TGT WE SHOULD STILL HAVE SCT CONVECTION ALNG CDFNT SAGGING SLOWLY SEWD THRU THE CWA PLUS MDLS CONT TO SHOW WK SHRTWVS MOVG EWD THRU NRN MO. BEST THREAT OF CONVECTION SHOULD SHIFT TO THE SRN HALF OF THE CWA ON SUN AS THE CDFNT SAGS SWD INTO SRN MO. THIS FRONT MAY ACTUALLY MOVE BACK NWD SLIGHTLY SUN NGT WITH APPROACH OF MID LVL LOW MOVG E-NEWD INTO THE NRN PLAINS. NAM MDL HAS THE BEST QPF OVR THE NRN PTN OF THE CWA LATE SUN NGT N OF SFC FNT AND ALNG E-W 850 MB FNT ACRS THE IA MO BORDER WITH RELATIVELY STG 850-700 MB WAA OVR THIS FNT OVR NRN MO SRN IA AT 12Z MON. NAM MDL INCRS THE K INDICES TO NR 40 OVR MUCH OF THE CWA BY 12Z MON. GOOD POTENTIAL OF CONVECTION SHOULD CONT ON MON AS NAM MDL DEPICTS FAIRLY STG SFC MOISTURE CNVG ALNG SFC FNT ACRS CNTRL MO AT 18Z MON. WITH PLENTY OF CLOUD CVR AND CONVECTION EXPECTED...DAYTIME HIGH TEMPERATURES SHOULD RANGE FROM ONLY ARND 80 DEGREES OVR THE NRN PTN OF THE CWA TO THE MID TO UPR 80S OVR THE SRN PTN OF THE CWA THE NEXT FEW DAYS. GKS && .AVIATION... FOR THE 06Z TAFS...MCS HAS DEVELOPED PER EXPECTATIONS OVER WRN MO AND SERN KS...AND THIS IS EXPECTED TO ALL HEAD EWD THRU THE FA DURING THE NEXT 12 HOURS OR SO...LARGELY EXITING THE FA BY 18Z. SOME GUSTY WINDS ARE POSSIBLE WITH THE INITIAL SHOT OF TSRA...WITH RAIN THEN CONTINUING FOR THE NEXT 6 HOURS OR SO AFTER IT MOVES IN. LOWER MVFR/IFR CIGS EXPECTED WITH THE MCS AND FOR THE NEXT SEVERAL HOURS AFTERWARDS...AND WITH FROPA FOR KUIN/KCOU ON SATURDAY AFTERNOON...LOWER CIGS TO CONTINUE NEARLY UNABATED. ONCE THE MCS MOVES OUT BY 18Z OR SO...NEXT CHANCE FOR ORGANIZED RAIN WILL BE OUT AHEAD OF SLOW MOVING CDFNT...OVER THE STL METRO AREA AND AREAS S AND E FOR SATURDAY EVENING. TES && .LSX WATCHES/WARNINGS/ADVISORIES... MO...NONE. IL...NONE. && WFO LSX
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE ST LOUIS MO 546 AM CDT SAT AUG 26 2006 ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027- 034>036-041-042-047>052-059>065-072>075-084-085-099-271100- ADAMS IL-AUDRAIN-BOND IL-BOONE-BROWN IL-CALHOUN IL-CALLAWAY- CLINTON IL-COLE-CRAWFORD-FAYETTE IL-FRANKLIN-GASCONADE-GREENE IL- IRON-JEFFERSON-JERSEY IL-KNOX-LEWIS-LINCOLN-MACOUPIN IL-MADISON- MADISON IL-MARION-MARION IL-MONITEAU-MONROE-MONROE IL-MONTGOMERY- MONTGOMERY IL-OSAGE-PIKE-PIKE IL-RALLS-RANDOLPH IL-REYNOLDS- SHELBY-ST. CHARLES-ST. CLAIR IL-ST. FRANCOIS-ST. LOUIS- ST. LOUIS CITY-STE. GENEVIEVE-WARREN-WASHINGTON-WASHINGTON IL- 546 AM CDT SAT AUG 26 2006 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EASTERN AND CENTRAL MISSOURI AS WELL AS SOUTHWEST ILLINOIS. .DAY ONE...TODAY AND TONIGHT THERE IS A CHANCE OF THUNDERSTORMS TODAY AND TONIGHT. SOME OF THESE STORMS MAY PRODUCE LOCALLY HEAVY RAINFALL...FREQUENT CLOUD TO GROUND LIGHTNING...STRONG WIND GUSTS AND SMALL HAIL. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY THE CHANCE OF THUNDERSTORMS WILL CONTINUE FROM SUNDAY THROUGH MONDAY NIGHT AS A COLD FRONT MOVES SLOWLY SOUTHEASTWARD THROUGH THE REGION. THERE IS A POTENTIAL OF HEAVY RAINFALL WITH THE STORMS. .SPOTTER INFORMATION STATEMENT... SPOTTERS ARE ENCOURAGED TO REPORT FLOODING OR HEAVY RAINFALL TO THE NATIONAL WEATHER SERVICE. GKS
The St Louis radar (KLSX), 106 km away, was scanning. The volume nearest the first event began at 11:59 UTC.
1 flash flood. Local standard time, as filed.
Overnight rainfall of at least 3 inches in some locations caused scattered flash flooding across the county. A couple of creeks flooded roads making them impassable.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Missouri in 2006Every state in 2006This day in weather historyWarnings in Missouri, 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: 5525277.