• F2 or greather
• path length of 5 miles or greater, or
• path width of 400 yards or greater
  Other notes about this list

Stephenson County

none

Winnebago County

none

Boone County

none

McHenry County

IL

7/6/1986

1820

12

10

F0

0

0

MCHENRY/ LAKE

just NE of Crystal Lake; near Spring Grove; near Round Lake (near Drury/Rollins Road) (intermittent)

Lake County

IL		7/6/1986	1820	12	10	F0	0	0	MCHENRY/ LAKE	just NE of Crystal Lake; near Spring Grove; near Round Lake (near Drury/Rollins Road) (intermittent)
IL		4/19/1996	2232	2	100	F2	0	2	LAKE	Zion
IL		5/18/1997	1818	6	75	F2	0	0	LAKE	Lindenhurst (southeast side) - Gurnee (north side)

Carroll County

none

Ogle County

none

Whiteside County

IL		3/29/1981	1830	5	33	F4	0	0	WHITESIDE	Prophetstown
IL		3/13/1990	1646	15	250	F3	0	1	ROCK ISLAND/ WHITESIDE	from Iowa - Port Byron - Cordova - 1 SE Albany
IL		7/27/1995	1800	3	400	F2	0	0	WHITESIDE	(41.48/ 90.13 - 41.47/ 90.10)

Lee County

IL		4/29/1991	1820	10	100	F1	0	0	LA SALLE/ LEE	4 E Mendota (near Tri-County Fairgrounds - just east of Paw Paw)
IL		7/8/1993	1159	0.3	30	F2	0	0	LEE	Ashton

DeKalb County

none

Kane County

IL

7/16/1980

255

1.4

440

F2

0

0

KANE

north of Hampshire

DuPage County

none

Cook County

IL

3/27/1991

1555

15

200

F3

0

7

WILL/ COOK

SW of Romeoville (near Renwick/Weber roads) - Romeoville - Lemont - forest preserve south of Willow Springs (7 W Oak Lawn)

Rock Island County

IL		4/4/1981	30	5	100	F1	0	4	ROCK ISLAND	2 SW Milan - Quad Cities airport - Moline
IL		3/13/1990	1646	15	250	F3	0	1	ROCK ISLAND/ WHITESIDE	from Iowa - Port Byron - Cordova - 1 SE Albany

Mercer County

IL		6/18/1998	1610	6	880	F2	0	0	MERCER	0.5 NW Seaton - 2 SE Aledo
IL		5/10/2003	1930	8.3	100	F0	0	0	MERCER	2.7 NW New Boston - 3.7 NNW Joy

Henry County

IL

5/10/2003

1955

25.5

100

F0

0

0

HENRY/ BUREAU

1 E Galva - 2.5 NW Wyanet

Bureau County

IL		5/9/1995	1625	5	73	F0	0	0	BUREAU	near Wyanet - near Princeton
IL		5/9/1995	1701	22	300	F3	0	0	BUREAU	near Neponset - 2 NE Walnut
IL		4/20/2004	1605	11	440	F1	0	0	STARK/ MARSHALL/ BUREAU	6.5 E Wyoming - 1.2 NE Whitefield

Putnam County

IL

4/20/2004

1644

16

880

F3

8

12

PUTNAM/ LA SALLE

0.7 NNE Florid - Granville - 3.3 SW Peru - Utica - 0.5 NE Utica

La Salle County

IL		7/9/1985	1930	0.5	167	F2	0	8	LA SALLE	Dana (west edge)
IL		8/16/1987	2115	1	10	F2	0	0	LA SALLE	Ottawa airport
IL		4/29/1991	1820	10	100	F1	0	0	LA SALLE/ LEE	4 E Mendota (near Tri-County Fairgrounds - just east of Paw Paw)
IL		4/20/2004	1710	9	400	F2	0	0	LA SALLE	1.5 NE Utica - 4 N Ottawa
IL		4/20/2004	1644	16	880	F3	8	12	PUTNAM/ LA SALLE	0.7 NNE Florid - Granville - 3.3 SW Peru - Utica - 0.5 NE Utica

Kendall County

IL		4/27/1984	1739	9	200	F3	1	5	KENDALL/ WILL	8 SW Plainfield - Plainfield
IL		8/28/1990	1430	16	600	F5	29	350	KENDALL/ WILL	Oswego - Wheatland Plains - Plainfield - Joliet

Grundy County

IL		6/15/1985	1700	13	10	F0	0	0	GRUNDY/ WILL	I-80/Ridge Road - just E of Joliet
IL		4/5/1988	2000	30	50	F2	0	0	GRUNDY/ WILL	near South Wilmington - 2 ESE New Lenox

Will County

IL		4/3/1982	10	8	127	F0	0	0	WILL	SW of Goodenow - near Crete
IL		4/27/1984	1739	9	200	F3	1	5	KENDALL/ WILL	8 SW Plainfield - Plainfield
IL		6/15/1985	1700	13	10	F0	0	0	GRUNDY/ WILL	I-80/Ridge Road - just E of Joliet
IL		4/5/1988	2000	30	50	F2	0	0	GRUNDY/ WILL	near South Wilmington - 2 ESE New Lenox
IL		5/8/1988	1800	18	60	F1	0	1	WILL	just N of Wilmington (near I-55 and Lorenzo Road) - Elwood - 2 N New Lenox
IL		8/28/1990	1430	16	600	F5	29	350	KENDALL/ WILL	Oswego - Wheatland Plains - Plainfield - Joliet
IL		3/27/1991	1555	15	200	F3	0	7	WILL/ COOK	SW of Romeoville (near Renwick/Weber roads) - Romeoville - Lemont - forest preserve south of Willow Springs (7 W Oak Lawn)
IL		8/15/1993	1635	0.2	20	F2	0	0	WILL	New Lenox
IL		5/30/2003	1925	5.7	100	F1	0	0	WILL	Joliet (2 N downtown) - 4 SE Lockport

Kankakee County

IL		4/2/1982	2340	12	750	F3	0	15	KANKAKEE	Irwin - Bourbannels - near Indian Oaks
IL		6/22/1990	1725	3	100	F2	0	0	KANKAKEE/ IROQUOIS	Chebanse (northeast) > SE
IL		3/22/1991	2251	9	100	F1	0	0	IROQUOIS/ KANKAKEE	far N Iroquois County then NE to Kankakee (SW edge)
IL		4/19/1996	1801	5	220	F0	0	0	KANKAKEE	1 SW Mommence - 4 SE Grant Park
IL		4/20/2004	1818	3	50	F2	0	0	KANKAKEE	2.5 WNW - 4 NW Hopkins Park
IL		4/20/2004	1835	6	75	F1	0	0	KANKAKEE	7 SW - 1.5 S Kankakee

Henderson County

IL		4/19/1996	1700	5	50	F0	0	0	HENDERSON	5 N Oquawka - 3.5 NW Bald Hill
IL		4/8/1999	1835	20	10	F0	0	0	HANCOCK/ HENDERSON/ WARREN	2 N La Harpe - 1 N Berwick

Warren County

IL		4/30/1997	1325	17	10	F0	0	0	WARREN	17 SW Roseville - near Roseville
IL		4/5/1999	1830	9.4	100	F2	0	0	MCDONOUGH/ WARREN	2 SW Good Hope - Swan Creek - 1 N Swan Creek
IL		4/8/1999	1835	20	10	F0	0	0	HANCOCK/ HENDERSON/ WARREN	2 N La Harpe - 1 N Berwick
IL		5/10/2003	1736	67.2	200	F2	0	4	ADAMS/ HANCOCK/ MCDONOUGH/ WARREN	1 NE Meyer - 1.2 SE Tioga - 3.9 SE Fountain Green - 5.6 NNE Good Hope - 5 E Roseville

Knox County

IL		5/13/1995	1618	14	880	F2	0	2	KNOX	1 N St. Augustine - 1 NE Maquon
IL		4/30/1997	1355	38	100	F1	0	2	FULTON/ KNOX/ PEORIA/ STARK	0.3 SW Fairview - Fairview - Middle Grove - 2 E Wyoming (intermittent)

Stark County

IL		4/30/1997	1355	38	100	F1	0	2	FULTON/ KNOX/ PEORIA/ STARK	0.3 SW Fairview - Fairview - Middle Grove - 2 E Wyoming (intermittent)
IL		4/20/2004	1605	11	440	F1	0	0	STARK/ MARSHALL/ BUREAU	6.5 E Wyoming - 1.2 NE Whitefield

Peoria County

IL		7/25/1981	2040	2	20	F2	0	0	PEORIA	2 SSW Princeville
IL		6/13/1990	1913	7	20	F0	0	0	PEORIA	near Pekin
IL		5/13/1995	1715	7	220	F1	0	0	PEORIA	1 W Princeville - Edelstein
IL		4/30/1997	1355	38	100	F1	0	2	FULTON/ KNOX/ PEORIA/ STARK	0.3 SW Fairview - Fairview - Middle Grove - 2 E Wyoming (intermittent)

Marshall County

IL

4/20/2004

1605

11

440

F1

0

0

STARK/ MARSHALL/ BUREAU

6.5 E Wyoming - 1.2 NE Whitefield

Woodford County

IL		4/13/1981	2310	35	150	F1	0	0	WOODFORD/ MCLEAN	between Goodfield and Carlock; 4 S Lexington; edge of Colfax (intermittent)
IL		9/24/1986	1715	3	73	F2	0	0	WOODFORD	1 N Roanoke
IL		5/8/2002	2332	5.5	50	F0	0	0	WOODFORD/ MCLEAN	3.8 SW El Paso - 4.5 WSW Gridley
IL		5/10/2003	2118	12.5	300	F2	0	4	TAZEWELL/ WOODFORD	3 SE Washington - Eureka - Roanoke (north) - 1 N Roanoke
IL		5/10/2003	2125	8	200	F1	0	0	WOODFORD	3 E Eureka - 4.5 NE Roanoke
IL		5/30/2003	1853	7.3	150	F2	0	0	WOODFORD	2 E Cazenovia - 1 SE Roanoke
IL		5/30/2004	1605	9	75	F1	0	0	WOODFORD	1.5 SE Eureka - 2 NE Secor
IL		7/13/2004	1334	10	440	F4	0	3	WOODFORD	1.8 NE Metamora - 2 SE Roanoke

Livingston County

IL		6/7/1980	1400	35	880	F2	0	0	LIVINGSTON/ FORD	1 S Graymont - near Roberts
IL		4/2/1982	2318	6	500	F1	0	0	LIVINGSTON	1 S Forest - near Chatsworth
IL		9/29/1986	1634	9	50	F2	0	0	MCLEAN/ LIVINGSTON	NE of Lexington - Fairbury (north side) - 1 NE Fairbury
IL		5/30/2004	1711	12	50	F1	0	0	LIVINGSTON	8 SW - 5 SE Pontiac
IL		5/23/2004	1920	13	240	F2	0	0	MCLEAN/ LIVINGSTON	3 SE Gridley - 8 W Pontiac

Ford County

IL		5/24/1980	1500	9	100	F0	0	0	FORD/ IROQUOIS	north of Piper City - near Danforth
IL		6/7/1980	1400	35	880	F2	0	0	LIVINGSTON/ FORD	1 S Graymont - near Roberts
IL		8/24/1982	1325	24	300	F2	0	0	MCLEAN/ FORD	3 W Merna - Cooksville (south edge) - SE to 2 N of Route 9 - E into Ford County
IL		5/9/1995	2000	5	40	F1	0	0	FORD/ IROQUOIS	1 SW Thawville - Thawville - 2 W Onarrowga
IL		4/20/2004	1759	5	20	F0	0	0	FORD/ IROQUOIS	9 NNE Piper City - 9 WNW Ashkum

Iroquois County

IL		5/24/1980	1500	9	100	F0	0	0	FORD/ IROQUOIS	north of Piper City - near Danforth
IL		6/22/1990	1725	3	100	F2	0	0	KANKAKEE/ IROQUOIS	Chebanse (northeast) > SE
IL		3/22/1991	2251	9	100	F1	0	0	IROQUOIS/ KANKAKEE	far N Iroquois County then NE to Kankakee (SW edge)
IL		6/17/1992	1540	0.1	20	F2	0	1	IROQUOIS	Ashkum
IL		5/9/1995	2000	5	40	F1	0	0	FORD/ IROQUOIS	1 SW Thawville - Thawville - 2 W Onarrowga
IL		4/20/2004	1759	5	20	F0	0	0	FORD/ IROQUOIS	9 NNE Piper City - 9 WNW Ashkum