Hail, Delaware
- When
- June 20, 1:02 PM CST
- Where
- Delaware County, Delhi
- Measured
- 0.75 in hail
- Reported by
- Law Enforcement
- Coordinates
- 42.430, -91.330
Penny-sized hail fell in Delhi, IA at 2:02 pm June 20.
Hail in Iowa, June 20, 2008
Scattered showers and thunderstorms moved southeast across eastern Iowa during the afternoon and evening hours of June 20. Some of the storms produced penny to quarter-sized hail.
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
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 6
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 happened
The episode as NWS DVN wrote it up.
Scattered showers and thunderstorms moved southeast across eastern Iowa during the afternoon and evening hours of June 20. Some of the storms produced penny to quarter-sized hail.
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 Quad Cities, IA wrote its last area forecast discussion before the first event at Jun 20, 1:59 AM CST, 11 hours 3 minutes earlier.
Area forecast discussion, Jun 20, 1:59 AM CST, 11 hours 3 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE QUAD CITIES IA IL 259 AM CDT FRI JUN 20 2008 .SYNOPSIS... VERY QUIET WEATHER ACROSS THE FORECAST AREA THIS MORNING WITH VERY WEAK FLOW AND MODERATE NORTHWEST FLOW ALOFT. A SHORTWAVE MOVED ACROSS THE MIDWEST EARLIER THIS EVENING AND BROUGHT CONVECTION TO THE SOUTHWEST CWA AND POINTS WEST AND SOUTH UNTIL MID EVENING. A SECOND...WEAKER SHORTWAVE IS MOVING ACROSS SOUTHERN WISCONSIN AT THIS TIME...WITH SOME WEAK CONVECTION ACROSS NORTHERN IOWA AND SOUTHEASTERN MINNESOTA AS WELL. THIS CONVECTION IS SLOWLY DISSIPATING. ...LE... && .SHORT TERM...TODAY AND TONIGHT...THE FORECAST FOR TODAY AND TONIGHT DEPENDS UPON THE MOVEMENT OF SOME FAIRLY WEAK FEATURES...WHICH ARE NOT BEING HANDLED ESPECIALLY WELL BY THE MODELS. GFS IS PLAGUED BY SOME FEEDBACK TONIGHT...AND THE NAM IS MISSING THE CURRENT WEAK CONVECTION OVER SOUTHERN WISCONSIN AND MINNESOTA AND NORTHERN IOWA. FOR NOW THE WEAK COLD FRONT DUE TO DROP INTO THE AREA LATE THIS MORNING AND EARLY AFTERNOON SHOULD POP OFF SOME AFTERNOON AND EVENING CONVECTION...MAINLY ACROSS THE NORTHWEST. A SECOND WAVE DUE TO MOVE IN TONIGHT SHOULD ALSO GENERATE STORMS...BUT THE TIMING OF THIS SECOND WAVE IS PROBLEMATIC. HAVE PUT IN POPS FOR THIS FOR AFTER MIDNIGHT...WHICH WE DID NOT HAVE IN BEFORE. DID NOT CHANGE TEMPERATURE FORECAST VERY MUCH...WITH MID 80S FOR TODAY....AND UPPER 50S TO NEAR 60 OVERNIGHT TONIGHT. ...LE... .LONG TERM...SATURDAY THROUGH NEXT THURSDAY... NORTHWEST FLOW TO BE SEEN FOR THE WEEKEND WITH SEVERAL IMPULSES MOVING ALONG IN THE FLOW. MOISTURE FLUX FROM THE WET GROUND SHOULD RESULT IN CONVECTION DEVELOPING SATURDAY AND MAY BE SUSTAINED WITH ADDITIONAL VORT MAXES SATURDAY NIGHT/SUNDAY. BEYOND SUNDAY...NO CHANGES WERE MADE. ECMWF CONTINUES TO ADVERTISE A SIGNIFICANT MCS EVENT IN THE TUESDAY/TUESDAY NIGHT TIME FRAME. POPS FOR THIS EVENT WILL NEED TO BE INCREASED OVER THE NEXT SEVERAL DAYS. ...08... && .AVIATION... VFR CONDITIONS EXPECTED AT MOST LOCATIONS...OUTSIDE OF SCATTERED CONVECTION EXPECTED THIS AFTERNOON AND EVENING. WITHIN THE SCATTERED CONVECTION...MVFR CIGS AND IFR VISBYS CAN BE EXPECTED. A BAND OF CONVECTION IS ALSO POSSIBLE TOWARDS 12Z SATURDAY MORNING... WHICH WOULD ALSO BRING MVFR CIGS AND IFR VISBYS. ...LE... && .HYDROLOGY... RIVERS HAVE CRESTED WITH THE EXCEPTION OF GREGORY LANDING WHICH SHOULD CREST TODAY. ALL RIVERS WILL CONTINUE TO FALL THROUGH MONDAY. A SIGNIFICANT PRECIPITATION SYSTEM IS EXPECTED TO AFFECT THE AREA IN THE TUESDAY/WEDNESDAY TIME FRAME. CURRENT THINKING IS THAT THIS PRECIPITATION EVENT WILL SLOW THE RATE OF FALL ON AREA RIVERS. ...08... && .DVN WATCHES/WARNINGS/ADVISORIES... IA...NONE. IL...NONE. MO...NONE. && LE/08
Hazardous weather outlook, Jun 20, 8:12 AM CST, 4 hours 50 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE QUAD CITIES IA IL 912 AM CDT FRI JUN 20 2008 IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007- 009-015>018-024>026-034-035-MOZ009-010-211000- 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- 912 AM CDT FRI JUN 20 2008 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 THIS AFTERNOON INTO THIS EVENING FOR IOWA AND ILLINOIS ALONG AND NORTH OF INTERSTATE 80. THE MAIN THREAT IS LARGE HAIL UP TO GOLF BALL SIZE WITH WINDS UP TO 60 MPH A SECONDARY THREAT. THUNDERSTORMS...SOME SEVERE...ARE EXPECTED TO DEVELOP THIS AFTERNOON ALONG A SURFACE TROUGH THAT WILL BE MOVING SOUTHEAST INTO IOWA AND ILLINOIS DURING PEAK HEATING. AN UPPER LEVEL DISTURBANCE MOVING INTO THE AREA AFTER MIDNIGHT TONIGHT MAY BRING ANOTHER CHANCE OF SHOWERS AND THUNDERSTORMS. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY. THERE IS A CHANCE OF THUNDERSTORMS SATURDAY AND SUNDAY. TUESDAY THROUGH THURSDAY...THERE IS A CHANCE OF THUNDERSTORMS EACH DAY. MAJOR TO RECORD FLOODING WILL CONTINUE ON THE MISSISSIPPI RIVER AND MOST TRIBUTARY RIVERS. THE THREAT FOR ADDITIONAL LEVEE BREACHES ALONG THE MISSISSIPPI RIVER WILL CONTINUE IN PORTIONS OF SOUTHEAST IOWA... WEST CENTRAL ILLINOIS AND NORTHEAST MISSOURI. DETAILED INFORMATION CAN BE FOUND IN THE LATEST FLOOD STATEMENT PRODUCTS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON AND EVENING. HAASE
In the hours before
Special weather statement, Jun 20, 12:20 PM CST, 42 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE QUAD CITIES IA IL 120 PM CDT FRI JUN 20 2008 IAZ040>042-051>054-ILZ001-002-007-202000- BENTON IA-BUCHANAN IA-CARROLL IL-DELAWARE IA-DUBUQUE IA-JACKSON IA- JO DAVIESS IL-JONES IA-LINN IA-STEPHENSON IL- 120 PM CDT FRI JUN 20 2008 ...STRONG TO SEVERE THUNDERSTORMS DEVELOPING BETWEEN 130 AND 3 PM... AT 120 PM CDT...A RAPIDLY DEVELOPING BROKEN LINE OF THUNDERSTORMS WAS LOCATED FROM NEAR A WATERLOO TO DUBUQUE TO NORTH OF FREEPORT THAT WAS MOVING SOUTHEAST AT 20 TO 25 MPH. THIS LINE IS INTENSIFYING AND IS CAPABLE OF LARGE HAIL UP TO THE SIZE OF QUARTERS OR ISOLATED LARGER SIZES TO NEAR GOLF BALLS...HEAVY RAINFALL RATES OF OVER AN INCH AN HOUR AND GUSTY WINDS OF 30 TO 50 MPH WITH ISOLATED HIGHER GUSTS POSSIBLE. DUE TO SATURATED GROUNDS...MANY LOCATIONS...ESPECIALLY THOSE THAT RECEIVE AN ADDITIONAL INCH OR MORE OF RAIN IN LESS THAN AN HOUR ARE SUSCEPTABLE TO EXPERIENCE SIGNIFICANT PONDING OF WATER. NICHOLS
Local storm report, Jun 20, 12:39 PM CST, 23 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
139 PM CDT FRI JUN 20 2008
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0128 PM HAIL MENOMINEE 42.47N 90.54W
06/20/2008 E0.25 INCH JO DAVIESS IL UNKNOWN
&&
15Local storm report, Jun 20, 12:44 PM CST, 18 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
144 PM CDT FRI JUN 20 2008
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0130 PM HAIL 1 W MENOMINEE 42.47N 90.56W
06/20/2008 E0.75 INCH JO DAVIESS IL PUBLIC
&&
STEVEKLocal storm report, Jun 20, 12:47 PM CST, 15 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
147 PM CDT FRI JUN 20 2008
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0147 PM HAIL GALENA 42.42N 90.43W
06/20/2008 E0.25 INCH JO DAVIESS IL TRAINED SPOTTER
&&
STEVEKLocal storm report, Jun 20, 12:53 PM CST, 9 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
153 PM CDT FRI JUN 20 2008
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0153 PM TSTM WND GST GALENA 42.42N 90.43W
06/20/2008 E60 MPH JO DAVIESS IL TRAINED SPOTTER
AND PEA SIZE HAIL
&&
15The radar
The Quad Cities radar (KDVN), 110 km away, was scanning. The volume nearest the first event began at 19:02 UTC.
Event by event
6 hail. Local standard time, as filed.
Hail, Benton
- When
- June 20, 1:35 PM CST to 1:45 PM CST
- Where
- Benton County, 4.63 mi NNE of Keystone
- Measured
- 0.88 in hail
- Reported by
- Public
- Coordinates
- 42.060, -92.160
Penny to nickel-sized hail fell for about 10 minutes about 5 miles northwest of Van Horne, IA between 2:35 and 2:45 pm June 20.
Hail, Jones
- When
- June 20, 1:50 PM CST
- Where
- Jones County, 3.82 mi N of Onslow
- Measured
- 1 in hail
- Reported by
- Public
- Coordinates
- 42.175, -91.014
Quarter-sized hail fell on Route 136 about 6 miles north of Onslow, IA |at 2:50 pm June 20. This report was relayed by the Jone County Sheriff Office.
Hail, Jones
- When
- June 20, 2:00 PM CST
- Where
- Jones County, 5.07 mi NNW of Temple Hill
- Measured
- 0.88 in hail
- Reported by
- Public
- Coordinates
- 42.300, -91.010
Nickel-sized hail fell in Cascade, IA at 3:00 pm June 20. This is a NSSL SHAVE Project report.
Hail, Jones
- When
- June 20, 2:30 PM CST
- Where
- Jones County, 0.69 mi S of Temple Hill
- Measured
- 0.75 in hail
- Reported by
- Public
- Coordinates
- 42.220, -90.980
Penny-sized hail fell near Temple Hill, IA around 3:30 pm June 20. The hail accumulated on the ground to a depth of 1 inch. This is a NSSL SHAVE Project report.
Hail, Van Buren
- When
- June 20, 10:10 PM CST
- Where
- Van Buren County, 0.87 mi NW of Selma
- Measured
- 0.75 in hail
- Reported by
- Public
- Coordinates
- 40.880, -92.160
Penny-sized hail fell near Selma, IA at 11:10 pm June 20.
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
- Lightning Strikes in Massachusetts, June 20, 2008
- Hail and Damaging Winds in Mississippi, June 20, 2008
- Hail and Damaging Winds in Nebraska, June 20, 2008
- Flash Flood and Hail in Texas, June 20, 2008
- Hail and Lightning Strikes in Arkansas, June 20, 2008
- Hail and Damaging Wind in Iowa, June 20, 2008
- Flash Flood and Hail in Missouri, June 20, 2008
- Hail and Damaging Winds in Oklahoma, June 20, 2008
- Flash Flood and Hail in Oklahoma, June 20, 2008
- Flash Flood and Hail in South Carolina, June 20 to 21, 2008
- Damaging Wind in Pennsylvania, June 20, 2008
- Hail and Lightning Strike in North Carolina, June 20, 2008
More
Every storm in Iowa in 2008Every state in 2008This day in weather historyWarnings in Iowa, June 2008
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: 116743, 116745, 116746, 116748, 116750, 116752.