2 flash flood, 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 Apr 6, 1:15 AM CST, 6 hours 45 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE LINCOLN IL 215 AM CDT THU APR 6 2006 .DISCUSSION... MAIN CONCERNS WITH THIS FORECAST PACKAGE INCLUDE POPS AND SEVERE POTENTIAL TODAY THROUGH FRIDAY. 06Z SURFACE CHART SHOWS RIDGE AXIS STRETCHING FROM THE EASTERN GREAT LAKES TO THE GULF COAST...RESULTING IN SE RETURN FLOW ACROSS CENTRAL ILLINOIS. WARM FRONTAL BOUNDARY ANALYZED FROM NEBRASKA E/SE INTO MISSOURI RESPONSIBLE FOR ELEVATED CONVECTION CURRENTLY ONGOING ACROSS THE KILX CWA. FURTHER WEST...TROUGHING DEVELOPING IN THE LEE OF THE ROCKIES IN RESPONSE TO VIGOROUS UPPER LOW TRACKING ACROSS THE GREAT BASIN. SHORT TERM...TODAY THROUGH SATURDAY... FIRST ISSUE TO DEAL WITH TODAY WILL BE POPS...AS WARM FRONT SLOWLY LIFTS NORTHWARD. MODELS IN FAIRLY GOOD AGREEMENT...SUGGESTING BEST RAIN CHANCES WILL BE EARLY IN THE DAY...WITH EMPHASIS SHIFTING TOWARD NORTHERN ILLINOIS BY AFTERNOON/EVENING. THINK THIS TREND LOOKS GOOD...SO WILL HIT POPS HARDEST THIS MORNING...THEN TAPER THEM DOWN SOMEWHAT BY AFTERNOON. FRONT LIFTS INTO THE FAR NORTHERN CWA BY EVENING...PLACING MUCH OF CENTRAL ILLINOIS IN THE WARM SECTOR OF THE SYSTEM. MAY BE A LULL IN THE PRECIP THIS EVENING...BEFORE ADDITIONAL STORMS PUSH INTO THE REGION FROM THE WEST. NAM/WRF INDICATE STORMS FIRING ALONG DRYLINE FEATURE ACROSS THE PLAINS LATER TODAY...THEN TRACKING EASTWARD INTO ILLINOIS BY LATE EVENING/OVERNIGHT. HAVE ADJUSTED POPS ACCORDINGLY. BY FRIDAY MORNING...WARM FRONT BECOMES STATIONARY JUST NORTH OF THE KILX CWA...KEEPING HIGHEST POPS ACROSS NORTHERN ILLINOIS. BIG QUESTION WILL BE WHETHER ADDITIONAL STORMS CAN FIRE FRIDAY AFTERNOON AS UPPER ENERGY TRANSLATES E/SE AND FRONT DROPS BACK SOUTHWARD. INSTABILITY PARAMETERS LOOK QUITE IMPRESSIVE FOR THIS TIME OF YEAR...WITH NAM LIFTED INDICES RANGING FROM -9 TO -12 AND CAPE VALUES IN EXCESS OF 2500J/KG. BEST INSTABILITY WILL SET UP SOUTH OF I-72 BETWEEN 18Z FRI AND 00Z SAT. GIVEN AMPLE MOISTURE IN PLACE...EXCELLENT INSTABILITY...AND VIGOROUS UPPER DYNAMICS...THINK STORMS WILL RE-DEVELOP DURING THE AFTERNOON. DESPITE SCANT QPF ON MODELS...WILL GO WITH LIKELY POPS SOUTH OF I-72...WITH LOWER POPS FURTHER NORTH WHERE INCREASINGLY STABLE AIR WILL FILTER SOUTHWARD BEHIND THE FRONT DURING THE DAY. SYSTEM EXITS THE REGION FRIDAY NIGHT...WITH DRY CONDITIONS RETURNING FOR SATURDAY. LONG TERM...SUNDAY THROUGH WEDNESDAY... NOT MANY CHANGES IN THE EXTENDED...AS WARMING TREND STILL ON TAP FOR EARLY NEXT WEEK. MEDIUM RANGE MODELS STILL IN A BIT OF DISAGREEMENT WITH NEXT APPROACHING SYSTEM BY MID-WEEK...SO WILL ONLY CARRY 20 POPS AT THAT TIME. && .ILX WATCHES/WARNINGS/ADVISORIES... NONE. && BARNES
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE LINCOLN IL 548 AM CDT THU APR 6 2006 ILZ027>031-036>038-040>057-061>063-066>068-071>073-071200- KNOX-STARK-PEORIA-MARSHALL-WOODFORD-FULTON-TAZEWELL-MCLEAN- SCHUYLER-MASON-LOGAN-DE WITT-PIATT-CHAMPAIGN-VERMILION-CASS- MENARD-SCOTT-MORGAN-SANGAMON-CHRISTIAN-MACON-MOULTRIE-DOUGLAS- COLES-EDGAR-SHELBY-CUMBERLAND-CLARK-EFFINGHAM-JASPER-CRAWFORD- CLAY-RICHLAND-LAWRENCE- 548 AM CDT THU APR 6 2006 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL ILLINOIS...EAST CENTRAL ILLINOIS AND SOUTHEAST ILLINOIS. .DAY ONE...TODAY AND TONIGHT SCATTERED THUNDERSTORMS WILL BE ONGOING THIS MORNING OVER PARTS OF CENTRAL...EAST CENTRAL AND SOUTHEAST ILLINOIS. THE PRIMARY THREAT WITH THE STRONGER STORMS THIS MORNING WOULD BE FROM HAIL AS WELL AS ISOLATED HEAVY RAINFALL AMOUNTS. THUNDERSTORMS ARE EXPECTED ACROSS CENTRAL ILLINOIS LATER TONIGHT AS A FRONTAL SYSTEM SWEEPS THROUGH THE PLAINS AND HEADS FOR THE MIDWEST. SOME OF THE STORMS LATE TONIGHT WILL BE CAPABLE OF PRODUCING STRONG WINDS AND HAIL...IN ADDITION TO LOCALIZED HEAVY RAINFALL. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY A COLD FRONT WILL BEGIN TO EDGE SOUTHWARD ACROSS CENTRAL ILLINOIS DURING THE DAY. AS THE FRONTAL BOUNDARY BEGINS TO INTERACT WITH AN UNSTABLE AIR MASS...THUNDERSTORMS ARE EXPECTED TO REDEVELOP DURING THE AFTERNOON HOURS. PRESENT INDICATIONS SUGGEST AREAS ALONG AND SOUTH OF INTERSTATE 72 HAVE THE BEST CHANCE OF SEEING MORE ORGANIZED THUNDERSTORMS FRIDAY AFTERNOON. A FEW OF THE STORMS WILL BE CAPABLE OF PRODUCING LARGE HAIL AS WELL AS DAMAGING WIND GUSTS INTO THE EVENING HOURS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED TODAY. HOWEVER...ACTIVATION MAY BE REQUIRED LATE THIS EVENING OR OVERNIGHT AS THE NEXT ROUND OF THUNDERSTORMS APPROACHES FROM THE WEST. SPOTTER ACTIVATION MAY BE REQUIRED AGAIN FRIDAY AFTERNOON...ESPECIALLY ALONG AND SOUTH OF INTERSTATE 72. SMITH
The Lincoln radar (KILX), 47 km away, was scanning. The volume nearest the first event began at 14:00 UTC.
2 flash flood. Local standard time, as filed.
Very heavy rain fell in a short period of time. The rain caused street flooding in the Decatur and Mount Zion areas, with a foot of water reported flowing over Harry Land Road at Southbrook.
Very heavy rain fell in a short period of time across Coles county, with the National Weather Service Cooperative Observer in Charleston reporting 4.16 inches of rainfall. The rainfall rates overwhelmed the storm sewers and wastewater plants in the urbanized areas of Charleston and Mattoon, causing water to backup into area streets and many basements. Numerous roads had to be closed for a time across the county due to flooding.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Illinois in 2006Every state in 2006This day in weather historyWarnings in Illinois, April 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: 5500117, 5500116.