1 thunderstorm wind, 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 Jul 28, 1:55 AM CST, 55 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE LINCOLN IL 255 AM CDT MON JUL 28 2003 CHALLENGES CONTINUE WITH TEMPERATURES AND PRECIPITATION OF COLD FRONT CURRENTLY ACROSS CWA. LATEST 05Z SFC ANALYSIS PLACES SFC COLD FRONT ACROSS SOUTH CENTRAL ILLINOIS. LATEST 0615Z IR SATELLITE IMAGE PLACES SOME PLENTY OF LOW AND MID CLOUDS ACROSS NORTHERN AND CENTRAL ILLINOIS AND INTO IOWA AND NORTHERN MISSOURI. LATEST 0615Z W/V IMAGE PLACES S/W ACROSS IOWA ...WITH ADDITIONAL S/WS ACROSS MOUNTAIN WEST. LATEST 0633Z KILX RADAR PLACES A LINE OF THUNDERSTORMS FROM NEAR QUINCY ILLINOIS EAST TO NORTH OF ROBINSON ILLINOIS. ADDITIONAL SHOWERS AND THUNDERSTORMS WERE ACROSS WEST CENTRAL ILLINOIS. PCPN WAS MOVING EAST. LATEST 0640Z KDMX RADAR PLACES ADDITIONAL SHOWERS AND STORMS ACROSS SOUTHERN IOWA MOVING EAST/SOUTHEAST. MODELS BEEN HAVING A FEW DIFFERENCES AND PREFER MAINLY ETA SOLUTION. MODELS PLACE H50 RIDGE BACK ACROSS WESTERN U.S WITH H50 TROUGH ACROSS NORTHEAST U.S. BY 00Z TUE. MODELS MAINTAIN RIDGE ACROSS WEST COAST WITH ANOTHER H50 LOW ACROSS SOUTHERN CANADA/UPPER MIDWEST BY 00Z WED. H50 RIDGE REMAINS ACROSS WESTERN U.S WITH TROUGH ACROSS UPPER MIDWEST SOUTH TO GULF COAST REGION BY 00Z THU. MODELS PLACE SFC BOUNDARY SOUTH WITH SFC LOW ACROSS SOUTHERN PLAINS STATES AND ANOTHER ACROSS MID ATLANTIC STATES BY 00Z TUE. MODELS THEN DEVELOP A SFC LOW ACROSS SOUTHERN CANADA/UPPER MIDWEST BY 12Z WED. LATEST MODEL SOUNDING DATA INDICATES HIGH RH AT LOW AND MID LEVELS THROUGH 18Z MON...WITH FAIRLY HIGH LOW LEVEL RH UNTIL 00Z TUE. THEN RETURNS DECENT LOW LEVEL RH BY 12Z WED. LATEST T/H CROSS SECTIONS INDICATES FAIRLY HIGH RH AT ALL LEVELS UNTIL 18Z MON...THEN MAINTAINS FAIRLY HIGH LOW LEVEL RH UNTIL 06Z TUE. THEN T/H CROSS SECTIONS BRINGS IN HIGH LOW LEVEL RH BY 00Z THU-00Z FRI. LATEST 310K ISENTROPIC INDICATES GOOD COND PRES DEF ACROSS CWA BY 12Z MON-18Z MON. THEN DECREASES BY 00Z TUE. 310K ISENTROPIC SFC THEN RETURNS SOME COND PRES DEF ACROSS CWA BY 00Z THU. MODELS DECREASE 850MB TEMPS TO +14C TO +15C BY 00Z TUE...THEN 850MB TEMPS +14C TO +15C BY 00Z WED THROUGH 12Z WED. CURRENT FORECAST PACKAGE IN DECENT SHAPE...WITH ONLY A FEW ADJUSTMENTS NEEDED. EXTENDED...ONLY MINOR ADJUSTMENTS IN EXTENDED...WITH PCPN POSSIBLE LATE WEDNESDAY INTO THURSDAY WITH NEXT SYSTEM. TEMPERATURES...TRICKY WITH EXTENSIVE CLOUD COVER THIS MORNING. ONLY MINOR ADJUSTMENTS. GRIDS SENT. .ILX...NONE. 13
ILZ027>031-036>038-040>057-061>063-066>068-071>073-281100- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE LINCOLN IL 1100 AM CDT SUN JUL 27 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL AND SOUTHEAST ILLINOIS. .DAY ONE...TODAY AND TONIGHT A SLOW MOVING COLD FRONT WILL SAG SOUTHWARD ACROSS ILLINOIS THIS AFTERNOON AND TONIGHT. THUNDERSTORMS WILL CONTINUE TO DEVELOP ALONG AND NEAR THIS FRONT...AFFECTING CENTRAL ILLINOIS THIS AFTERNOON AND THIS EVENING...AND REACHING SOUTHEAST ILLINOIS TONIGHT. SOME OF THESE STORMS MAY BE SEVERE THIS AFTERNOON AND EVENING...ESPECIALLY AT LOCATIONS ALONG AND NORTH OF INTERSTATE 72. THE MAIN SEVERE WEATHER THREAT WILL BE DAMAGING WINDS AND LARGE HAIL. IN ADDITION... HEAVY RAINS ARE ALSO EXPECTED TO ACCOMPANY THE STORMS...WITH SOME FLOODING POSSIBLE. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY THE STORMS FROM SUNDAYS COLD FRONT ARE EXPECTED TO SLOWLY EXIT CENTRAL AND SOUTHEAST ILLINOIS MONDAY AND MONDAY NIGHT. SEVERE STORMS ARE NOT EXPECTED AT THIS TIME. THUNDERSTORMS ARE EXPECTED AGAIN NEXT FRIDAY AS ANOTHER FRONT MOVES INTO THE AREA. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NECESSARY THIS AFTERNOON AND THIS EVENING...ESPECIALLY AT LOCATIONS ALONG AND NORTH OF INTERSTATE 72. PLAHMER
The national radar mosaic for the moment the first event began.
1 thunderstorm wind. Local standard time, as filed.
Several trees were blown down, one of which fell onto an unoccupied car damaging it in Mason.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Illinois in 2003Every state in 2003This day in weather historyWarnings in Illinois, July 2003
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: 5330066.