Areas of Severe Thunderstorms and Heavy Rain Possible through the Weekend

There will be daily chances for scattered thunderstorms across portions of the Central and Eastern U.S. through the weekend, with severe thunderstorms possible in the northern Plains and Upper Midwest. Potential severe storm hazards may include large hail, damaging winds, and a few tornadoes. Storms could also produce heavy rain that may lead to isolated instances of flash flooding. Read More >

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 last month, 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.

-Borchardt

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June 7, 2015: Flash flooding south of I-80 and two brief tornadoes in Jasper County, Indiana
June 8, 2015: Numerous storms produced hail, including up to golf ball size
June 10, 2015: Giant hail near Minooka, IL was largest in Illinois since at least 1961
June 13, 2015: Heavy rain leads to closing of I-80
June 15, 2015: Widespread flash flooding; brief tornado threat
June 22, 2015: 12 tornadoes in northern IL, including high end EF-3 Coal City tornado and flash flooding
Extremely Wet June 2015: Rainfall Totals from Volunteer Observers
Look Back at the Climate Data for June 2015 for Chicago and Rockford
Wettest June on Record for the state of Illinois
Wettest June on Record for the state of Indiana

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Areas of Severe Thunderstorms and Heavy Rain Possible through the Weekend

A Recap of this Past June's Active Weather