A line of thunderstorms moved eastward across eastern Iowa, northeast Missouri, and northern Illinois during the early morning hours of June 6 ahead of an approaching cold front.
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 episode as NWS DVN wrote it up.
A line of thunderstorms moved eastward across eastern Iowa, northeast Missouri, and northern Illinois during the early morning hours of June 6 ahead of an approaching cold front.
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 Quad Cities, IA wrote its last area forecast discussion before the first event at Jun 6, 2:21 AM CST, 53 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE QUAD CITIES IA IL 321 AM CDT FRI JUN 6 2008 .SYNOPSIS... INTENSE LOW PRESSURE IN EASTERN SOUTH DAKOTA WILL TRACK QUICKLY NORTHEAST INTO CANADA TODAY. LINE OF STORMS EARLY THIS MORNING WILL DIMINISH AS THE LOW LEVEL JET WEAKENS SOME AND CONVERGENCE ALSO WEAKENS ALONG THE FRONT. ECMWF PAINTS A VERY WET PATTERN FOR AT LEAST THE NEXT 7 DAYS. A SERIES OF UPPER TROUGHS WILL SWING ACROSS THE REGION WITH FRONTAL BOUNDARIES FOCUSING THUNDERSTORM ACTIVITY. SEVERE WEATHER AND HEAVY RAIN/FLASH FLOODING WILL REMAIN A THREAT. ..HAASE.. && .SHORT TERM...TODAY AND TONIGHT.... INTENSE LOW PRESSURE IN NORTHEAST SD TRACKS NORTHEAST INTO CANADA TODAY. LOW LEVEL JET AND COVERGENCE ALONG THE COLD FRONT WEAKENS SOMEWHAT. CURRENT LINE OF THUNDERSTORMS IN EASTERN IA AND NORTHEAST MO SHOULD WEAKEN THIS MORNING...AND THEN REINTENSIFY WITH HEATING IN OUR IL COUNTIES. WILL CONTINUE WITH AT LEAST 50 POPS AHEAD OF FRONT WITH A SLIGHT RISK OF SEVERE IN IL FOR TODAY. WITH SUCH A WARM START TO THE DAY DESPITE PLENTY OF CLOUDS AROUND...TEMPERATURES SHOULD RISE WELL INTO THE 80S. WILL CONTINUE FLASH FLOOD WATCH UNTIL 10 AM FOR PORTIONS OF EASTERN IA DUE TO VERY LOW FLASH FLOOD GUIDANCE VALUES AND THUNDERSTORMS IN THE WATCH AREA. FRONT SHOULD SLIDE TO THE SOUTH OF THE CWA BUT NOT TOO FAR SO EXPECT A QUIET FRIDAY NIGHT. HOWEVER...NEXT STORM SYSTEM WILL ALREADY BE DEVELOPING IN THE CENTRAL PLAINS WITH STRENGTHENING LOW LEVEL JET. THUNDERSTORMS THAT DEVELOP ALONG BOUNDARY IN MO MAY REACH OUR EXTREME SOUTHERN CWA TOWARDS SATURDAY MORNING. ..HAASE.. .LONG TERM...SATURDAY THROUGH NEXT THURSDAY... BUSY MORNING WITH SEVERE LINEAR MCS MOVING THROUGH WESTERN CWA ATTIM... SO WILL BE BRIEF. SFC FRONT SAGGING THROUGH THE PLAINS EARLY SAT WILL SLOW AND EVENTUALLY STALL AS IT BECOMES PARALLEL WITH THE MID AND UPPER LEVEL FLOW. MEANWHILE...COPIOUS MOISTURE SOUTH OF THE FRONT AND AT LEAST MODERATE INSTABILITY COMBINED WITH WEAK IMPULSES EJECTING FROM WESTERN TROUGH TO SUPPORT CONVECTIVE COMPLEXES TO IMPACT AREA THROUGH THE WEEKEND INTO EARLY NEXT WEEK. FIRST COMPLEX LIKELY TO DEVELOP OVER NE SAT AFTN AND TRACK EAST THROUGH AT LEAST NORTH THIRD TO POSSIBLY ONE HALF SAT NIGHT EARLY SUN MORNING. LOOKING LIKE WE/LL SEE CONVECTIVE COMPLEX DEVELOP OVER CWA LATE SUN AFTN THROUGH SUN NIGHT. SEVERE WEATHER AND HEAVY RAIN THREATS WILL EXIST WILL THESE COMPLEXES. VERY WARM/MUGGY CONDITIONS TO PERSIST THROUGH THE WEEKEND INTO EARLY NEXT WEEK. ..05.. && .AVIATION... EXPECT LINE OF THUNDERSTORMS IN EASTERN IOWA TO CONTINUE WEAKENING THIS MORNING AND THEN REINTENSIFY IN ILLINOIS. BRIEF MVFR CONDITIONS WILL OCCUR IN HEAVIER DOWNPOURS EARLY THIS MORNING OTHERWISE EXPECT VFR CONDITIONS MUCH OF TODAY AND TONIGHT. SOUTH TO SOUTHWEST WINDS WILL BE SUSTAINED AT 15 TO 25 KNOTS WITH GUSTS TO NEAR 30 KNOTS IN RATHER TIGHT GRADIENT AROUND INTENSE LOW PRESSURE IN THE UPPER MIDWEST. ..HAASE.. && .HYDROLOGY... ADDITIONAL HEAVY RAIN IN THE COMING DAYS LOOKS LIKELY...ESPECIALLY FOR IA TRIBUTARY RIVERS AND THE MISSISSIPPI. ONLY CHANGE WAS LATE EVE ISSUED FLOOD WARNING FOR MAQUOKETA RIVER AT MANCHESTER. OTHERWISE... WITH SATURATED SOILS AND MANY RIVERS IN FLOOD...WITH QUITE A FEW FCST OF MODERATE TO MAJOR FLOODING ALREADY... MORE HEAVY RAIN IN THE COMING DAYS NOT WHAT IS NEEDED AND SUGGESTS RIVERS AND FCSTS WILL NEED TO BE VERY CLOSELY MONITORED...ESPECIALLY THE CORALVILLE RESERVOIR AND THE IOWA RIVER IN THE IOWA CITY AND CORALVILLE AREAS. POTENTIAL FOR 3-6+ INCHES OF RAIN IN SOME AREAS SAT NIGHT-TUE. ..05.. && .DVN WATCHES/WARNINGS/ADVISORIES... IA...FLASH FLOOD WATCH UNTIL 10 AM CDT THIS MORNING FOR BENTON-BUCHANAN-DELAWARE-DUBUQUE-IOWA-JEFFERSON- JOHNSON-JONES-KEOKUK-LINN-WASHINGTON. IL...NONE. MO...NONE. && HAASE/05
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE QUAD CITIES IA IL 549 AM CDT THU JUN 5 2008 IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007- 009-015>018-024>026-034-035-MOZ009-010-061100- BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-IOWA-JOHNSON- CEDAR-CLINTON-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA-JEFFERSON- HENRY IA-DES MOINES-VAN BUREN-LEE-JO DAVIESS-STEPHENSON-CARROLL- WHITESIDE-ROCK ISLAND-HENRY IL-BUREAU-PUTNAM-MERCER-HENDERSON- WARREN-HANCOCK-MCDONOUGH-SCOTLAND-CLARK- 549 AM CDT THU JUN 5 2008 ...MODERATE SEVERE WEATHER RISK FRIDAY... THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL ILLINOIS...NORTHWEST ILLINOIS...WEST CENTRAL ILLINOIS...EAST CENTRAL IOWA...NORTHEAST IOWA...SOUTHEAST IOWA AND NORTHEAST MISSOURI. .DAY ONE...TODAY AND TONIGHT THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS TODAY AND TONIGHT NORTHWEST OF A LINE FROM STERLING ILLINOIS TO KEOKUK IOWA. THE GREATEST SEVERE WEATHER RISK WILL BE EARLY THIS MORNING IN THE FORM OF DAMAGING WIND...WITH A LESSER POTENTIAL FOR LARGE HAIL AND TORNADOES. ON-GOING STRONG TO SEVERE THUNDERSTORMS WILL EXIT THE AREA LATE THIS MORNING. SCATTERED THUNDERSTORMS WILL BE POSSIBLE THIS AFTERNOON...MAINLY NORTH OF INTERSTATE 80. THESE ARE NOT EXPECTED TO BE SEVERE...BUT MAY PRODUCE HEAVY RAINFALL. THUNDERSTORMS THIS MORNING WILL PRODUCE HEAVY RAINFALL RATES AND A FLASH FLOOD WATCH IS IN EFFECT UNTIL 10 AM FOR MUCH OF EASTERN IOWA AND FAR NORTHWEST ILLINOIS. PLEASE SEE THE FLASH FLOOD WATCH STATEMENT FOR MORE DETAILED INFORMATION. TONIGHT...THUNDERSTORMS ARE LIKELY MAINLY WEST OF THE MISSISSIPPI RIVER AFTER MIDNIGHT. SOME OF THESE STORMS MAY BE CAPABLE OF PRODUCING DAMAGING WINDS...SMALL HAIL...AND HEAVY RAINFALL. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY THE STORM PREDICTION CENTER HAS FORECAST A MODERATE RISK OF SEVERE WEATHER FOR AREAS EAST OF A LINE FROM DUBUQUE IOWA TO MEMPHIS MISSOURI. THERE IS A SLIGHT RISK FOR AREAS WEST OF THIS LINE. STRONG TO SEVERE STORMS WILL DEVELOP LATE THURSDAY NIGHT AND CONTINUE INTO FRIDAY AS A COLD FRONT MOVES ACROSS THE AREA. THE MAIN SEVERE WEATHER THREATS WILL BE DAMAGING WINDS...LARGE HAIL AND POSSIBLY TORNADOES. HEAVY RAINFALL WILL ALSO BE POSSIBLE. THUNDERSTORMS ARE POSSIBLE ACROSS THE AREA SATURDAY THROUGH TUESDAY. IT IS TOO EARLY TO DETERMINE THE POTENTIAL FOR SEVERE WEATHER. MINOR TO MAJOR FLOODING WILL CONTINUE ON MANY EASTERN IOWA TRIBUTARY RIVERS...WITH MINOR FLOODING ALONG THE MISSISSIPPI RIVER FROM GLADSTONE SOUTHWARD. MORE DETAILED INFORMATION CAN BE FOUND IN THE LATEST FLOOD STATEMENT PRODUCT. .SPOTTER INFORMATION STATEMENT... STORM SPOTTER ACTIVATION WILL BE NEEDED THIS MORNING AND POSSIBLY AGAIN LATE TONIGHT. SHEETS
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE QUAD CITIES IA IL 302 AM CDT FRI JUN 6 2008 IAZ042-054-066-068-ILZ015-024-061015- DUBUQUE-JACKSON-CLINTON-SCOTT-ROCK ISLAND-MERCER- INCLUDING THE CITIES OF...DUBUQUE...MAQUOKETA...CLINTON... BETTENDORF...DAVENPORT...MOLINE...ROCK ISLAND...ALEDO 302 AM CDT FRI JUN 6 2008 ...GUSTY WINDS WITH LINE OF SHOWERS AND THUNDERSTORMS... A LINE OF SHOWERS AND THUNDERSTORMS WILL MOVE EAST ACROSS THE AREA THROUGH 500 AM PRODUCING HEAVY RAINFALL WITH RATES OF UP TO AN INCH AN HOUR AND GUSTY WINDS OF 30 TO 45 MPH. MANY LOCATIONS...ESPECIALLY ALONG AND WEST OF A DUBUQUE TO QUAD CITIES LINE COULD EXPERIENCE SIGNIFICANT FLASH FLOODING IF THEY RECEIVE AN ADDITIONAL INCH OR MORE OF RAINFALL ON TOP OF THE 1 TO 3 INCHES THAT HAS ALREADY FALLEN RECENTLY. INDIVIDUALS SHOULD SECURE LOOSE ITEMS FROM THE STRONG WINDS AND BE ON THE LOOKOUT FOR RAPIDLY RISING WATER LEVELS FROM HEAVY RAINS.
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
311 AM CDT FRI JUN 06 2008
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0239 AM TSTM WND GST MANCHESTER 42.49N 91.46W
06/06/2008 E45 MPH DELAWARE IA EMERGENCY MNGR
&&
ELLIOTTPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
313 AM CDT FRI JUN 06 2008
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0148 AM TSTM WND DMG 2 SE GARRISON 42.12N 92.12W
06/06/2008 BENTON IA EMERGENCY MNGR
ROOF BLOWN OFF MACHINE SHED. ROOF TOOK OUT POWER LINES
WHICH TOOK OUT THE POWER.
&&
ELLIOTTPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
346 AM CDT FRI JUN 06 2008
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0337 AM TSTM WND GST BURLINGTON 40.81N 91.12W
06/06/2008 M60 MPH DES MOINES IA ASOS
&&PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
347 AM CDT FRI JUN 06 2008
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0328 AM TSTM WND GST BURLINGTON 40.81N 91.12W
06/06/2008 M60.00 MPH DES MOINES IA ASOS
&&SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE QUAD CITIES IA IL 405 AM CDT FRI JUN 6 2008 IAZ054-066-068-ILZ001-002-007-009-015>018-024-026-035-061115- JACKSON-CLINTON-SCOTT-JO DAVIESS-STEPHENSON-CARROLL-WHITESIDE- ROCK ISLAND-HENRY IL-BUREAU-PUTNAM-MERCER-WARREN-MCDONOUGH- INCLUDING THE CITIES OF...MAQUOKETA...CLINTON...BETTENDORF... DAVENPORT...GALENA...FREEPORT...MOUNT CARROLL...STERLING... ROCK FALLS...MOLINE...ROCK ISLAND...KEWANEE...PRINCETON... HENNEPIN...ALEDO...MONMOUTH...MACOMB 405 AM CDT FRI JUN 6 2008 ...STRONG WINDS WITH LINE OF SHOWERS AND ISOLATED STORMS... A LINE OF SHOWERS AND ISOLATED THUNDERSTORMS...WILL MOVE EAST PRODUCING HEAVY TO TORRENTIAL HEAVY RAINFALL RATES OF OVER AN INCH AN HOUR AND STRONG GUSTY WINDS OF 35 TO 50 MPH WITH ISOLATED HIGHER GUSTS POSSIBLE. MANY LOCATIONS...ESPECIALLY ALONG AND WEST OF A DUBUQUE TO QUAD CITIES LINE COULD EXPERIENCE SIGNIFICANT FLASH FLOODING IF THEY RECEIVE AN ADDITIONAL INCH OR MORE OF RAINFALL ON TOP OF THE 1 TO 3 INCHES THAT HAS ALREADY FALLEN RECENTLY. INDIVIDUALS SHOULD SECURE LOOSE ITEMS FROM THE STRONG WINDS AND BE ON THE LOOKOUT FOR RAPIDLY RISING WATER LEVELS FROM HEAVY RAINS.
The Quad Cities radar (KDVN), 19 km away, was scanning. The volume nearest the first event began at 09:12 UTC.
5 thunderstorm wind. Local standard time, as filed.
A 62 mph wind gust was measured by the Automated Surface Observing System at the Quad City International Airport in Moline, IL at 4:14 am June 6.
Wind gusts estimated to be 60 mph blew down some tree branches throughout the town of Fulton, IL around 4:30 am June 6. The branches fell onto some power lines breaking them causing a power outage.
Wind gusts estimated to be 60 mph blew down some branches in the Geneseo Hills Subdivision along Wolf Road about 4 miles west northwest of Geneseo, IL around 4:30 am June 6.
Wind gusts estimated to be 65 mph blew down a tree over a road about 3 miles southwest of Nora, Illinois around 4:35 am June 6. Time and location estimated.
Wind gusts estimated to be 60 mph blew down some tree branches throughout the town of Morrison, IL around 4:45 am June 6. The branches fell onto some power lines breaking them causing a power outage.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Illinois in 2008Every state in 2008This day in weather historyWarnings in Illinois, June 2008
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: 111630, 111633, 111636, 111637, 111638.