June 2015 was an extremely wet month for portions of northern and central Illinois and northwest Indiana. In fact, the excessive rain amounts in portions of our area as well as across the rest of Illinois and Indiana helped this June become the wettest June on record for both Illinois and Indiana. For the press release from the Illinois State Climatologist office, click here. For the press release from the Indiana State Climatologist office, click here. Here are preliminary monthly rainfall amounts for some of our Cooperative Observers and CoCoRaHs observers.
Listing updated 7/2/2015
COOP Observers
| Location | June 2015 Rainfall |
June Normal |
June Rainfall Rank (since records began) |
| Amboy | 10.27” | 4.63" | Wettest June since records began in 1996 |
| Aurora | 7.94" | 4.22” | 8th wettest June since records began in 1887 |
| Barrington 3 SW | 6.99" | 3.85" | 7th wettest June since records began in 1962 |
| Belvidere | 6.19" | 5.35" | 12th wettest June since records began in 1941 |
| Bourbonnais 3NW | 13.30" | 3.95" | Wettest June since records began in 1991 |
| Chatsworth | 9.96" | 4.34" | Wettest June since records began in 1996 |
| Chicago Botanic Gardens | 5.21" | 3.67" | 9th wettest June since records began in 1981 |
| Chicago Midway 3 SW | 8.36" | 4.36" | 3rd wettest June since records began in 1980 |
| Crown Point 1N, IN | 8.22" | 3.87" | 3rd wettest June since records began in 1916 |
| DeKalb | 8.20" | 4.14" | 5th wettest June since records began in 1966 |
| Dixon 1 W | 10.72" | 4.90" | 2nd wettest June since records began in 1893 |
| Dwight | 12.22" | 3.93" | Wettest June since records began in 1990 |
| Earlville 3 S | 9.68" | 4.13" | 2nd wettest June since records began in 2003 |
| Elburn | 11.31" | 4.07" | Wettest June since records began in 2000 |
| Elgin | 8.35" | 3.98" | 2nd wettest June since records began in 1983 |
| Fairbury | 11.53" | 3.76" | Wettest June since records began in 1949 |
| Genoa 2SW | 7.51" | 4.47” | 2nd wettest June since records began in 2000 |
| Glen Ellyn 4 S | 8.97" | 4.06" | 2nd wettest June since records began in 2002 |
| Harvard | 6.65" | 4.40" | 5th wettest June since records began in 1991 |
| Indiana Dunes National Lakeshore, IN | 6.10" | 4.34" | 8th wettest June since records began in 1989 |
| Joliet Brandon Rd | 7.73" | 3.88” | 5th wettest June since records began in 1943 |
| Kankakee | 17.22" | 4.14" | Wettest June since records began in 1888 |
| Lake Village, IN | 13.24” | 4.22” | Wettest since records began in 2000 |
| Lisle | 8.96" | 4.22” | 4th wettest June since records began in 1895 |
| Little Red School House/Willowbrook | 8.77" | 4.20" | 3rd wettest since records began in 1993 |
| Lowell, IN | 11.35” | 4.69” | Wettest June since records began in 1964 |
| Manhattan 5 NE | 8.32" | 3.90" | Wettest June since records begain in 2002 |
| Marengo | 5.05” | 4.32" | 30th wettest June since records began in 1893 (partial record for June 2015) |
| Marseilles | 12.74" | 4.19" | Wettest June since records began in 1941 |
| McHenry | 4.79" | 4.10" | 16th wettest June since records began in 1949 |
| Mendota | 9.97" | 4.05” | Wettest June since records began in 2001 |
| Milford 5NW | 10.41" | 4.08" | 2nd wettest June since records began in 1999 |
| Morocco 2S, IN | 14.54” | 4.27” | Wettest June since records began in 1997 |
| Monee | 10.38" | 4.37" | Wettest June since records began in 1994 |
| Morris 1NW | 15.90" | 4.40" | Wettest June since records began in 1912 |
| Mundelein 4WSW | 3.85" | 4.05" | 11th wettest June since records began in 1999 |
| Oregon | 8.29" | 4.36" | 5th wettest June since records began in 1910 |
| Ottawa 5SW | 9.29" | 3.98" | 4th wettest June since records began in 1889 |
| Park Forest | 8.42" | 4.56" | 3rd wettest June since records began in 1952 |
| Paw Paw 2S | 9.21" | 4.36" | 5th wettest June since records began in 1913 |
| Paxton 2WSW | 7.90" | 3.99" | 2nd wettest June since records began in 1987 |
| Pontiac | 8.70" | 3.66" | 2nd wettest June since records began in 1890 |
| Remington 2NNW, IN | 12.40” | 4.47” | Wettest June since records began in 1993 |
| Rensselaer, IN | 12.86” | 3.90” | 3rd wettest June since records began in 1900 |
| Rochelle | 10.23" | 4.16" | Wettest June since records began in 1924 |
| Romeoville (NWS Chicago) | 8.50" | 4.34" | Wettest June since records began in 1992 |
| Roscoe 2SE | 5.15" | 4.71" | 6th wettest June since records began in 2003 |
| Shabbona 3S | 8.82" | 4.85" | 3rd wettest June since records begain in 1998 |
|
St Anne |
15.77" | 4.13" | Wettest June since records began in 2001 |
| Steward 3S | 8.67" | 4.19" | 2nd wettest June since records began in 2005 |
| Streator 3S | 9.33" | 4.11" | 4th wettest June since records began in 1893 |
| Watseka 2NW | 15.58" | 4.14” | Wettest June since records began in 1893 |
| Woodstock 5NW | 6.15" | 4.47" | 5th wettest June since records began in 2003 |
| Yorkville | 7.24" | 4.11" | 4th wettest June since records began in 1997 |
CoCoRaHs Observers
| Location | June Rainfall |
| Rensselaer 6.2 SE (Jasper) | 18.06" |
| Lake Village 2.3 W (Newton) | 17.27" |
| Ashkum 5.6 E (Iroquois) | 17.20" |
| Bonfield 4.0 WSW (Kankakee) | 15.20" |
| Peotone 0.4 ENE (Will) | 14.41" |
| Seneca 1.2 NNE (LaSalle) | 14.08" |
| Carbon Hill 3.1 N (Grundy) | 13.77" |
| Hebron 3.7 NE (Porter) | 11.68" |
| Elburn 0.4 NW (Kane) | 11.31" |
| Crown Point 2.0 WSW (Lake IN) | 11.28" |
| Amboy 0.5 ESE (Lee) | 11.23" |
| Streamwood 0.6W (Cook) | 10.14" |
| Carol Stream 0.3SSE (DuPage) | 9.80" |
| Lisbon 4.4 NE (Kendall) | 9.23" |
| Chatsworth 0.4ESE (Livingston) | 9.21" |
| Gibson 3.0WNW (Ford) | 9.07" |
| Cortland 0.3SSW (DeKalb) | 8.17" |
| Pecatonnica 2.3S (Winnebago) | 7.36" |
| Algonquin 0,7N (McHenry) | 6.96" |
| Capron 0.1N (Boone) | 6.95" |
| Antioch 3.4WSW (Lake IL) | 5.85" |
Many thanks to all the dedicated NWS Cooperative Observers and CoCoRaHS observers. Do you enjoy measuring rainfall from your backyard? Join the CoCoRaHS team today! Learn more here.
After an abnormally quiet May with regard to severe weather, June roared in with several severe weather and flash flooding episodes—some of which were quite significant. The graphic below recaps some of the bigger events, including the softball size hail in Minooka that fell on June 10th and the June 22nd tornadoes.
NWS Chicago ended up issuing a total of 101 Severe, Tornado, and Flash Flood Warnings combined in June, tied for the 2nd most for any June in at least 30 years. Of those 101 warnings, 17 were Tornado Warnings, also the 2nd most the office has issued in any June in the past 30 years. The most impressive statistic is that 25 Flash Flood Warnings were issued in June, the most on record ever issued by this office in a single month! That is no surprise given the amount of flooding parts of the area dealt with. Overall, June 2015 was one to remember.
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