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 Apr 10, 8:15 PM CST, 1 hour 45 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE LINCOLN IL 915 PM CDT TUE APR 10 2001 WILL UPDATE ZONES AT MIDNIGHT WITH EXPIRATION OF SEVERE THUNDERSTORM WATCH FOR SOUTHERN 6 TIER COUNTIES. NUMEROUS SHOWERS AND SCATTTERED THUNDERSTORMS DEVELOPED ACROSS CENTRAL IL THIS EVENING JUST NORTH OF WARM FRONT LOCATED BETWEEN I-64 AND I-70. SVR STORM WITH ROTATION NEAR ST LOUIS MOVING EAST 40-50 MPH. THIS STORM MOVED EAST ACROSS MO NEAR I-70 THIS EVENING AND WILL MOVE ACROSS 6 SOUTHERN TIER COUNTIES BETWEEN 1030 PM AND MIDNIGHT DURING END OF SEVERE THUNDERSTORM WATCH. WIDELY SCT CONVECTION IN WARM SECTOR S OF KSTL-KLWV LINE. LOW PRESSURE DEEPENING OVER SE CO TONIGHT TO LIFT WARM FRONT SLOWLY N ACROSS CENTRAL IL THRU 12Z/WED. WIDESPREAD CONVECTION ALONG AND N OF FRONT WITH INCREASING 850 MB SSW JET TO 45-65 KFTS AND POINTING TOWARD CENTRAL IL. FLASH FLOOD WATCH LOOKS GOOD TONIGHT ALONG AND N OF I-74 WHERE FFG VALUES AS LOW AS 1 INCH IN 1-3 HOURS FROM HEAVY RAIN EVENTS SINCE LAST THU. EXTREMELY HIGH PRECIPITABLE WATER VALUES FOR THIS TIME OF YEAR FROM 1.50-1.75 INCHES WITH TROPICAL MOISTURE PLUME. COULD BE A FEW STRONG-SVR CELLS OVER CENTRAL IL TONIGHT LIKE LAST NIGHT. HIGHS IN THE 80S YESTERDAY RANGED TODAY FROM 60S N OF I-72 TO 75 FAR S AT KLWV. TEMPS AT 9 PM ARE IN THE 60S WITH FAR N AT KGBG 58 AND S IN THE UPPER 60S. DEWPOINTS RANGE FROM 55 FAR NORTH TO 65 FAR S WITH 5-15 MPH WINDS VARYING FROM NE TO SE. LOWS IN THE UPPER 50S N AND MID 60S SOUTH ON TARGET AND COULD SEE READINGS RISE A FEW DEGREES LATER TONIGHT WITH PASSAGE OF WARM FRONT. .ILX...FLASH FLOOD WATCH TONIGHT ALONG AND NORTH OF I-74 ILZ027>031-036>038-041-043>046 HUETTL
The Lincoln radar (KILX), 67 km away, was scanning. The volume nearest the first event began at 04:01 UTC.
1 flash flood. Local standard time, as filed.
Flooding was reported in Kincaid, with Highway 104 covered in spots by flowing water. Some flooding was also noted in Taylorville. The flash flooding was the result of 1.5 to nearly 3 inches of rain across the area.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Illinois in 2001Every state in 2001This day in weather historyWarnings in Illinois, April 2001
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: 5239478.