Hail and Damaging Winds in Illinois, June 1, 2007

Name: Hail and Damaging Winds in Illinois, June 1, 2007
Start: 2007-06-01T14:50
End: 2007-06-01T19:26
Location: Illinois

June 1, 2007 · NWS LOT · 18 events in 9 counties and zones

Severe thunderstorms moved east across northern Illinois during the late afternoon and early evening hours of June 1st producing mainly wind damage.

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: 1
Property damage: $57,000
Crop damage: None recorded
Events: 18

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 LOT wrote it up.

Severe thunderstorms moved east across northern Illinois during the late afternoon and early evening hours of June 1st producing mainly wind damage.

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 Chicago, IL wrote its last area forecast discussion before the first event at Jun 1, 1:25 PM CST, 1 hour 25 minutes earlier.

Area forecast discussion, Jun 1, 1:25 PM CST, 1 hour 25 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
225 PM CDT FRI JUN 1 2007

.DISCUSSION REGARDING AFTERNOON ZONES/GRIDS...

225 PM CDT
SPOKE OF ENERGY ROTATING AROUND MAIN UPPER VORTEX OVER THE DAKOTAS
PIVOTING THROUGH EASTERN IOWA INTO NW ILL THIS AFTERNOON. BEST SHEAR
AND VEERING PROFILE SHOULD REMAIN NEAR THE MISS RIVER AND SWING INTO
SRN WISC WHILE CLIPPING NW ILL MAINLY W OF RFD. AIRMASS REMAINS
MOIST AND INSTABILITY INCREASING ONCE SFC TEMPS REACH 80 DEG. DEW
POINTS POOLING NEAR ADVANCING WARM FRONT ALONG ILL RIVER N OF PIA
WHICH WILL AID CONVECTION THIS AFTN.  FEW CELLS ALSO FORMING IN MORE
SUNNY AREA FROM BLOOMINGTON NWD TOWARD WILL CO.  ANY THREAT FROM
THESE STORMS...ASIDE FROM WELCOME RAIN...WOULD BE HAIL OR GUSTY
WINDS.

BROADER PICTURE SHOWS UPPER LOW DRIFTING SLOWLY EAST ACROSS CENTRAL
GT LAKES SUN AND MONDAY. MODELS SHOW RETREATING JET STREAK AHEAD OF
UPPER LOW PULLING OUT THROUGH WRN WISC TONIGHT WHICH SHOULD SUPPORT
CONTINUING LKLY THREAT OF SHOWERS AND TSTMS TONIGHT. LOW LEVELS
SHOULD NOT DRY MUCH RIGHT AWAY AND SATURDAY WILL BE PRONE TO A
REPEAT OF TSTMS ALTHOUGH PROBALBY NOT WITH TORNADO POTENTIAL.
ANOTHER JET STREAK MAY SWING ALONG EASTERN PORTION OF APPROACHING
LOW SAT NIGHT FOR ANOTHER PERIOD OF LKLY TSTMS.  COOLING ALOFT WITH
MAIN VORTEX WILL THE THE CONCERN SUNDAY WITH PERIODS OF SHOWERS AND
FEW TSTMS CONTINUING. MORE STABLE CONDS SLOWLY SETTING IN DURING
FIRST PART OF NEXT WEEK AS NW TRAILING FLOW EVENTUALLY PROVIDES
STABILIZING INFLUENCE.

CURRENT SLOW MOVING PSEUDO CUTOFF LOW WILL BE REPLACED BY MORE
COHERENT PATTERN BY MIDWEEK AS RIDGING DEVELOPS OVER PLAINS IN
ADVANCE OF A HIGHER AMPLITUDE TROUGH NEAR THE WEST COAST.  THIS
LATTER SYSTEM EXPECTED TO MAKE SLOW PROGRESS EASTWARD DURING THE MID
AND LATE WEEK.

HAVE FILLED IN ALL PERIODS THROUGH THE WEEKEND WITH PRECIP THROUGH
MONDAY GIVEN THE UNCERTAINTY OF TIMING AND COVERAGE OF INSTABILITY
PRECIP. GREATEST POPS TONIGHT AND AGAIN SAT. WILL FOLLOW MV MOS
NUMBERS IN GENERAL AS AIRMASS FLUCTUATIONS NEXT FEW DAYS SHOULD BE
SMALL ONCE COOLING SETS IN SATURDAY.  KML

&&

.AVIATION...

100 PM CDT

18Z TAFS...MORNING DENSE FOG HAS DISSIPATED ACROSS THE TAF REGION
WITH JUST SOME HZ IN RFD WHERE THERE WAS DENSER FOG.  VIS SHOULD
CONTINUE TO IMPROVE THRU THE AFTERNOON.  OTHERWISE...MAIN FOCUS FOR
THIS TAF PERIOD IS ON THE WARM FRONT THAT WILL RISE UP THROUGH THE
REGION THIS AFTERNOON/EARLY EVENING.  WINDS WILL SHIFT FROM BEING
SOUTHEASTERLY TO SOUTHWESTERLY BEHIND THE FRONT.  CONVECTION WILL
LIKELY DEVELOP OUT AHEAD OF THE FRONT SO AM EXPECTING STORMS TO
DEVELOP BY 23Z ACROSS THE TAF AREA.  THERE IS ANOTHER CHANCE FOR
PRECIPITATION TOWARD THE END OF THE TAF PERIOD FOR RFD AS THE COLD
FRONT IN THE CENTRAL PLAINS MOVES INTO WESTERN ILLINOIS BY TOMORROW
AFTERNOON.

HALBACH

&&

.MARINE...

300 AM CDT

LOW PRESSURE WILL REMAIN NEARLY STATIONARY OVER THE NORTHERN PLAINS
THROUGH SATURDAY MORNING...WHILE WEAK HIGH PRESSURE DOMINATES THE
WESTERN GREAT LAKES.  THE MAIN CONCERN FOR MARINERS ON FRIDAY WILL
BE PATCHY FOG THROUGH THE MORNING HOURS FRIDAY.  DURING THE DAY
SATURDAY...THE LOW WILL MOVE INTO THE UPPER MISSISSIPPI VALLEY.
HOWEVER...OVER THE NEXT FEW DAYS...THE PRESSURE GRADIENT OVER THE
LAKE WILL REMAIN RATHER WEAK AND WINDS ARE ONLY EXPECTED TO INCREASE
INTO THE 10 TO 15KT RANGE.  THROUGH SUNDAY...WINDS WILL BE GENERALLY
SOUTHERLY...BUT OVERNIGHT SUNDAY NIGHT...THE WEAK LOW WILL CROSS THE
LAKE...CAUSING WINDS TO SHIFT NORTHWESTERLY.  PRESSURE GRADIENTS
WILL REMAIN WEAK OVER THE LAKE THROUGH THE REMAINDER OF THE FORECAST
PERIOD AND WINDS WILL REMAIN UNDER 15 KTS AND WAVES WILL REMAIN
AROUND 1 TO 2 FEET.

KREIN

&&

.LOT WATCHES/WARNINGS/ADVISORIES...
.IL...TORNADO WATCH FOR NORTH CENTRAL ILLINOIS UNTIL 00Z SATURDAY
.IN...NONE.
.LM...NONE.

&&

Hazardous weather outlook, Jun 1, 2:20 PM CST, 30 minutes before

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
320 PM CDT FRI JUN 1 2007

ILZ003>006-008-010>014-019>022-023-032-033-039-INZ001-002-010-011-
019-012130-
WINNEBAGO-BOONE-MCHENRY-LAKE IL-OGLE-LEE-DE KALB-KANE-DU PAGE-COOK-
LA SALLE-KENDALL-GRUNDY-WILL-KANKAKEE-LIVINGSTON-IROQUOIS-FORD-
LAKE IN-PORTER-NEWTON-JASPER-BENTON-
320 PM CDT FRI JUN 1 2007

THIS PORTION OF THE HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL
AND NORTHEAST ILLINOIS...AND NORTHWEST INDIANA.

.DAY ONE...THIS AFTERNOON AND TONIGHT

  A TORNADO WATCH IS EFFECT UNTIL 700PM FOR PORTIONS OF NORTH
  CENTRAL AND NORTHEAST ILLINOIS...GENERALLY WEST OF THE FOX AND
  ILLINOIS RIVERS.

  STRONG TO SEVERE THUNDERSTORMS WILL SPREAD EASTWARD INTO NORTH
  CENTRAL ILLINOIS THIS AFTERNOON...AND POSSIBLY CONTINUE EASTWARD
  INTO NORTHEAST ILLINOIS BY THIS EVENING. IN ADDITION HAIL UP TO
  THE SIZE OF GOLF BALLS AND DAMAGING WINDS IN EXCESS OF 60
  MPH...THE POTENTIAL EXISTS FOR AN ISOLATED TORNADO OR TWO.

  THUNDERSTORM COVERAGE IS FORECAST TO INCREASE TONIGHT...WITH THE
  POTENTIAL FOR LOCALLY HEAVY RAINFALL.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

  THERE WILL BE A CONTINUED CHANCE OF THUNDERSTORMS THROUGH
  MONDAY...MAINLY DURING THE AFTERNOON AND EVENING HOURS.
  THE PROBABILITY OF WIDESPREAD HAZARDOUS WEATHER WILL REMAIN LOW.

.SPOTTER INFORMATION STATEMENT...

  SPOTTER ACTIVATION IS REQUESTED THIS AFTERNOON OVER NORTH CENTRAL
  ILLINOIS AND MAY BE NEEDED ACROSS NORTHEAST ILLINOIS BY EARLY
  EVENING.

&&

COMPLETE FORECAST INFORMATION IS AVAILABLE ON THE
NWS CHICAGO WEBPAGE: WEATHER.GOV/CHICAGO (LOWER CASE)

LMZ740>745-766-012130-
WINTHROP HARBOR IL TO MICHIGAN CITY IN-
LAKE MICHIGAN-
320 PM CDT FRI JUN 1 2007

THIS PORTION OF THE HAZARDOUS WEATHER OUTLOOK IS FOR THE ILLINOIS
AND INDIANA WATERS OF LAKE MICHIGAN.

.DAY ONE... THIS AFTERNOON AND TONIGHT

  THERE IS A CHANCE OF THUNDERSTORMS ACROSS SOUTHERN LAKE MICHIGAN
  BY LATE THIS AFTERNOON.  THUNDERSTORM COVERAGE IS EXPECTED TO
  INCREASE TONIGHT.

.DAYS TWO THROUGH SEVEN... SATURDAY THROUGH THURSDAY

  THERE WILL BE A CONTINUED CHANCE OF THUNDERSTORMS THROUGH
  MONDAY...MAINLY DURING THE AFTERNOON AND EVENING HOURS.
  THE PROBABILITY OF WIDESPREAD HAZARDOUS WEATHER WILL REMAIN LOW.

&&

COMPLETE FORECAST INFORMATION IS AVAILABLE ON THE
NWS CHICAGO WEBPAGE: WEATHER.GOV/CHICAGO (LOWER CASE)

KML/IZZI

The radar

The Quad Cities radar (KDVN), 91 km away, was scanning. The volume nearest the first event began at 20:48 UTC.

Open the radar archive at this moment

Event by event

16 thunderstorm wind, 2 hail. Local standard time, as filed.

Thunderstorm Wind, Lee

When: June 1, 2:50 PM CST
Where: Lee County, 3 mi WNW of Dixon
Measured: 50 kt (58 mph) estimated gust
Property damage: $1,000
Reported by: Law Enforcement
Coordinates: 41.847, -89.534

Tree limbs were blown down onto powerlines.

Hail, Lee

When: June 1, 4:06 PM CST to 4:08 PM CST
Where: Lee County, Franklin Grove
Measured: 0.75 in hail
Reported by: Trained Spotter
Coordinates: 41.830, -89.300

Thunderstorm Wind, Winnebago

When: June 1, 4:20 PM CST
Where: Winnebago County, Rockton
Measured: 50 kt (58 mph) estimated gust
Property damage: $1,000
Reported by: Law Enforcement
Coordinates: 42.450, -89.070

Tree limbs and powerlines were blown down at North Main Street and Route 2 and at 35th Street and Old Gate Road.

Thunderstorm Wind, La Salle

When: June 1, 4:58 PM CST
Where: La Salle County, 3 mi NE of Mendota
Measured: 60 kt (69 mph) estimated gust
Property damage: $5,000
Reported by: Emergency Manager
Coordinates: 41.581, -89.079

Trees up to two feet in diameter were blown down. A barn wall was blown in and windows were blown out of mobile homes. Powerlines also blown down.

Thunderstorm Wind, La Salle

When: June 1, 5:00 PM CST
Where: La Salle County, Peru
Measured: 55 kt (63 mph) estimated gust
Property damage: $15,000
Reported by: Emergency Manager
Coordinates: 41.330, -89.130

Several trees snapped in half or blown over. Siding and shingles were ripped off of a house and heavy yard objects were tossed around. A section of a plastic fence was broken and tossed. Damage confined to a small area near the intersection of Shooting Park Road and Peoria Street.

Thunderstorm Wind, La Salle

When: June 1, 5:05 PM CST
Where: La Salle County, 5 mi NE of Mendota
Measured: 55 kt (63 mph) estimated gust
Property damage: $5,000
Reported by: Law Enforcement
Coordinates: 41.601, -89.052

One large tree blown down, several large tree limbs blown down. Siding ripped off of a house. A picnic table was picked up and tossed 100 yards.

Thunderstorm Wind, De Kalb

When: June 1, 5:15 PM CST
Where: De Kalb County, Sandwich
Measured: 55 kt (63 mph) estimated gust
Injuries: 1 direct, 0 indirect
Property damage: $10,000
Reported by: Amateur Radio
Coordinates: 41.650, -88.620

Vehicles damaged by blown over shelters, one minor injury.

Thunderstorm Wind, Boone

When: June 1, 5:20 PM CST
Where: Boone County, Garden Prairie
Measured: 65 kt (75 mph) estimated gust
Property damage: $10,000
Reported by: Trained Spotter
Coordinates: 42.250, -88.730

Several trees blown down, up to 4 feet in diameter. Powerlines blown down and minor structural damage to some houses.

Thunderstorm Wind, De Kalb

When: June 1, 5:30 PM CST
Where: De Kalb County, 4 mi ESE of Cortland
Measured: 52 kt (60 mph) estimated gust
Reported by: Trained Spotter
Coordinates: 41.898, -88.608

Wind gust estimated to 60 mph on the Kane DeKalb County line.

Thunderstorm Wind, Kane

When: June 1, 5:30 PM CST
Where: Kane County, Maple Park
Measured: 52 kt (60 mph) estimated gust
Reported by: Trained Spotter
Coordinates: 41.900, -88.600

A large tree, strongly rooted at a nursery, was blown over. Wind gust estimated to 60 mph on the Kane DeKalb County line.

Thunderstorm Wind, Kane

When: June 1, 5:35 PM CST
Where: Kane County, Big Rock
Measured: 50 kt (58 mph) estimated gust
Reported by: Trained Spotter
Coordinates: 41.770, -88.550

A tree was blown down near Route 30 and Big Rock.

Thunderstorm Wind, Kendall

When: June 1, 5:45 PM CST
Where: Kendall County, Plano
Measured: 50 kt (58 mph) estimated gust
Property damage: $5,000
Reported by: Law Enforcement
Coordinates: 41.670, -88.530

A large string of powerlines was blown down on Burr Oak Road off of Griswald Springs Road.

Thunderstorm Wind, Kane

When: June 1, 5:55 PM CST
Where: Kane County, Sugar Grove
Measured: 55 kt (63 mph) estimated gust
Reported by: Law Enforcement
Coordinates: 41.750, -88.450

Trees were blown down.

Thunderstorm Wind, Kane

When: June 1, 5:55 PM CST
Where: Kane County, Elburn
Measured: 55 kt (63 mph) estimated gust
Reported by: Law Enforcement
Coordinates: 41.880, -88.470

Trees were blown down.

Thunderstorm Wind, Kendall

When: June 1, 6:06 PM CST
Where: Kendall County, 2 mi S of Yorkville
Measured: 56 kt (64 mph) estimated gust
Property damage: $5,000
Reported by: Emergency Manager
Coordinates: 41.601, -88.450

A gazebo was blown over. Estimated winds to 65 mph.

Thunderstorm Wind, Du Page

When: June 1, 6:20 PM CST
Where: Du Page County, Glen Ellyn
Measured: 55 kt (63 mph) estimated gust
Reported by: Law Enforcement
Coordinates: 41.880, -88.070

A tree was blown down.

Thunderstorm Wind, Du Page

When: June 1, 6:20 PM CST
Where: Du Page County, Lombard
Measured: 55 kt (63 mph) estimated gust
Reported by: Law Enforcement
Coordinates: 41.880, -88.020

A tree was blown down.

Hail, Cook

When: June 1, 7:24 PM CST to 7:26 PM CST
Where: Cook County, Matteson
Measured: 0.75 in hail
Reported by: Trained Spotter
Coordinates: 41.500, -87.700

What these are

Thunderstorm Wind: Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.
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

Every storm in Illinois in 2007 Every state in 2007 This day in weather history Warnings in Illinois, June 2007

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: 38952, 38745, 38953, 38954, 38955, 38956, 38957, 38959, 38961, 38967, 38962, 38963, 38964, 38968, 38965, 38966, 38969, 38951.