Name: Hail in Illinois, April 10, 2001
Start: 2001-04-10T05:22
End: 2001-04-10T05:22
Location: Illinois

Where it happened

Every event with a place to put it. Tap one for its entry below.

Tornadoes
Tropical storms and surge
Floods
Wind
Hail
Winter weather
Heat and drought
Cold
Fire, smoke and dust
Marine and coastal
Other

Open the live radar over this ground

The toll

Deaths: 0
Injuries: 0
Property damage: None recorded
Crop damage: None recorded
Events: 1

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.

What forecasters said that day

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 Apr 10, 2:45 AM CST, 2 hours 37 minutes earlier.

Area forecast discussion, Apr 10, 2:45 AM CST, 2 hours 37 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE ST LOUIS MO
345 AM CDT TUE APR 10 2001

08Z MSAS DATA IND FNTL BDRY EXTDG FM W CNTRL MO EWD TO JUST N OF
STL.  BDRY HAS MADE SLGT PROGRESS SWD IN WAKE OF SFC WAVE IN IL
ATTM.  CONVECTION WHICH HAS FIRED UP ALG IT SINCE THIS EVNG IS
GENERALLY ALG AND JUST N OF THIS BDRY AND HAS RMND SO THRU THIS PAST
NITE.  CONVECTION OVR SERN KS/WRN MO RCVG HELP FM LLVL JET OVR SRN
PLNS AND THIS JET SHOWING SUM SIGNS OF VRG MORE TO THE SW INTO MO.

FCST PROB FOR THE MRNG PACKAGE IS PCPN CHCS AND TEMPS.

00Z MODELS IN FAIR AGRMT...THOUGH THERE ARE DIFFS IN PRECISE
HANDLING OF UPR SYS...OVERALL TRACK FM ERN MO/SWRN IL PERSPECTIVE
GENERALLY HAS SAME RESULTS FM MODEL TO MODEL.  UPR LOW OVR SRN CA WL
TRACK THRU SRN ROCKIES INTO FAR WRN KS BY LATE TNGT AND THEN INTO
FAR SERN SODAK BY ERL WED EVNG.  STG SCNDRY S/W WL ROTATE IN BHND
EJECTING UPR LOW INTO CO BY THU AND MAY PLAY WX-MAKING ROLE LATE
WK.  ON SFC FEATURES...MODELS KP SFC BDRY NRLY STNRY THRU MIDDAY AND
THEN AS UPR WAVELENGTH SHORTENS AND AMPLITUDES STPN...RESULT WL BE
FNT MAKING NWD PROGRESS BY LATE AFTN.  STG LOW WL THEN TRACK FM WRN
KS INTO FAR WRN IA ON WED WITH OCCLD FNT MOVG THRU FA.  YET ANOTR
FNTRL BDRY SETTING UP ACRS SRN MO AHD OF NXT SYS LATE THU.

FOR TDA...LLVL JET OVR SRN PLNS HAS BEEN VRG SLGTLY PAST COUPLE
HRS...AND IF TYPICAL DIURNAL TRENDS HOLD TRUE...WL CONT THIS TREND
INTO MRNG HRS.  THIS WL FOCUS NEW CONVECTION ALG FNTL BDRY FURTHER E
INTO MO AND WITH NEWD MOVMT OF CELLS...CONT RAFL INTO FA.  WL HAVE
HIGH POPS...ESP FOR MRNG HRS FOR MOST OF FA SAVE THE S AND FAR E.
TRAINING OF CELLS WL JUSTIFY CONT OF FFA FM PREV SHIFT.  WL THEN
XPCT BREAK IN PCPN BY LATE MRNG...AND THIS PROB WL LAST TIL LATE
AFTN BEFORE NEW CONVECTION WL FIRE ALG NWD MOVG BDRY.  PCPN AND
PRESENCE OF LOW CLDS JUST TO N OF FNTL BDRY WL KP TEMPS IN CHECK FOR
N AND W ZONES THRU MRNG...BUT SHUD SEE APPRECIABLE RECOVERY IN AFTN.

FOR TNGT...LOOK FOR ONGOING CONVECTION PRIMARILY FOR NRN ZONES...AND
FOR NEW CONVECTION TO FIRE ON NOSE OF 60KT LLVL JET TWDS CNTRL/N
CNTRL MO.  INCR SLY FLO WL KP TEMPS UNSEASONABLY WRM.

ON WED...POWERFUL DYNAMICAL SYS WL PASS TO THE N AND W...BUT NOT W/O
CREATING A LOT OF WND ACRS FA.  SETUP GOOD FOR WND ADVISORY...BUT
STILL A COUPLE MODEL RUNS TO GET BETTER HANDLE ON SITN.  OCCLDD FNT
WL PROVIDE BDRY FOR TSTMS IN STG UNIDIRECTIONAL SHEAR ENV.  THINK
PCPN WL BE MORE OF A ONE-SHOT NARROW BAND THIS PD HOWEVER WITH MOIST
SLOLY SLIPPING AWAY.

.STL...FFA THIS MRNG GENERALLY ALG AND N OF I-70
TES

In the hours before

Local storm report, Apr 10, 4:10 AM CST, 1 hour 12 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
510 AM CDT TUE APR 10 2001

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

205 AM     3W MIDWAY                 MO   0.75 INCH HAIL
04/10/01   BOONE                          REPORTED BY SEVERE
                                          WEATHER SPOTTERS.

215 AM     MEXICO                    MO   0.88 INCH HAIL
04/10/01   AUDRAIN                        REPORTED BY AUDRAIN
                                          COUNTY SHERIFFS
                                          DEPARTMENT.

307 AM     STURGEON                  MO   0.75 INCH HAIL
04/10/01   BOONE                          REPORTED BY STURGEON FIRE
                                          DEPARTMENT.

300 AM     BOWLING GREEN             MO   0.75 INCH HAIL
04/10/01   PIKE                           REPORTED BY PIKE COUNTY
                                          SHERIFFS DEPARTMENT.

The radar

The St Louis radar (KLSX), 95 km away, was scanning. The volume nearest the first event began at 11:21 UTC.

Open the radar archive at this moment

Event by event

1 hail. Local standard time, as filed.

Hail, Macoupin

When: April 10, 5:22 AM CST
Where: Macoupin County, Carlinville
Measured: 0.75 in hail
Reported by: EMERGENCY MANAGER
Coordinates: 39.283, -89.883

The County Emergency Manager reported 3/4 inch hail.

What these are

Hail: Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Illinois in 2001 Every state in 2001 This day in weather history Warnings in Illinois, April 2001

Sources

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: 5243929.