The following events were reported: Flood, Thunderstorm Wind, Tornado. These occurred near station USW00094846, approximately 27.5289 km away, between 2023-03-31 17:00:00 and 2023-03-31 22:00:00. The flood was caused by Heavy Rain. Thankfully, no injuries or fatalities were reported. No significant property or crop damage was reported. Episode Narrative: During the afternoon and evening of the 31st, a wave of severe thunderstorms produced numerous tornadoes, severe hail, extensive wind damage, and localized flooding across northern and northeastern Illinois. A total of 37 tornadoes were confirmed across the state. The NWS Chicago office tied a record for the most tornadoes to occur in a single calendar day within the office's county warning area with 22, 17 of which occurred in Illinois. One EF-2 tornado occurred in south-central Lee County and two others in northwest Indiana. Some of the more notable damage includes multiple semi trucks blown over, a garage that had been completely destroyed southeast of Amboy, and the partial roof collapse of the Apollo Theatre in Belvidere which unfortunately resulted in one fatality and 40 injuries. During the afternoon and evening of the 31st, a wave of severe thunderstorms produced numerous tornadoes, severe hail, extensive wind damage, and localized flooding across northern and northeastern Illinois. Event Narrative: Roofing material was blown off of a barn and blown to the northeast at Francis Rd and Beith Rd northwest of Elburn. Wind magnitude and time were estimated based on radar. An NWS storm survey confirmed that a swath of damage across the south and east sides of Addison was caused by strong straight-line winds of up to approximately 85 mph. These straight-line winds occurred to the immediate south and east of the EF-1 tornado that tracked from Lombard into Addison. Damage included roofing material peeled off of office buildings and an apartment complex, a semi truck blown over on I-290, and damage to sound barriers along I-290. A private weather station recorded a 64 mph gust. Numerous reports were received of flooded roadways in Des Plaines and Park Ridge. Numerous reports were received of flooded roadways in Morton Grove. Traffic was stopped at the underpass at I-94 and Winnetka Rd due to flooding. A photo received showed one to two feet of standing water on a residential street and on front yards. The location at which the photo was taken was not specified. A photo shared on Twitter showed flood waters covering a residential street near Mill Rd and Arlene Dr. This tornado began south of Dean St near 15th St in St Charles and tracked northeast. It passed over Boy Scout Island and the Fox River before lifting near the intersection of Stonehedge Rd and Persimmon Dr. Damage along the tornado's path consisted of several uprooted and damaged trees, downed power lines, roof shingles peeled off of houses, and a damaged HVAC unit on the roof of a construction facility. The tornado touched down near the intersection of Concord Dr and Columbia Ln in southwestern Montgomery. It produced minor damage to an outbuilding shortly after dropping and to a few trees before crossing into Kane County just a couple of minutes after forming. The storm then continued northeastward through Montgomery damaging mostly trees before lifting on the south side of Aurora. Strong winds produced damage to multiple trees, blew down a section of a fence, and ripped a few shingles off of a home in the Lakewood Creek neighborhood in west Montgomery. This wind damage immediately preceded the development of an EF-0 tornado that tracked from Montgomery to Aurora. Power lines were blown down near Herget Middle School. A semi truck was blown over on I-88 near the junction at IL-56. A section of metal roofing panels was torn off of the Huntoon Stables on the east side of Highland Park in North Aurora. Power lines were blown down along Algonquin Rd in Rolling Meadows. A tree trunk approximately 12 inches in diameter was uprooted. Many small to medium size branches were also blown down in the area. A report was received of at least one foot of water on Green Bay Road near Melrose Avenue and Roger Avenue. Just a couple of minutes after touching down in far northern Kendall County, this tornado crossed into Kane County in Montgomery just west of Albright Rd. The tornado had caused minor damage to an outbuilding while still in Kendall County but most of the damage in Kane County was to trees. The tornado lifted on the south side of Aurora near the intersection of Hill Ave and Binder St. This tornado began in an open field south of Engstrom Family Park and tracked east northeast towards downtown Batavia before lifting shortly after it crossed the Fox River near Wilson St. Damage along the tornado's path consisted of several uprooted and damaged trees, downed fences, downed power lines, roof shingles peeled off of houses, and a toppled chimney. The tornado dropped in an industrial park near N Main St just north of N North Ave on the far north side of Lombard. There, it caused roof damage to a couple of buildings. It continued on into the town of Addison where it caused roof damage to office buildings. The tornado then caused primarily tree damage as it tracked across a residential area of Addison south of Fullerton Ave before lifting as it crossed Fullerton Ave at Hale St. South and east of the tornado's track was a large swath of additional damage caused by straight line winds. A two foot diameter tree was blown down and was blocking River Rd at Townline Rd. A tree was blown down on the northeast corner of Rand Rd and Elmhurst Rd in Mt. Prospect. A tree was blown down across Route 25 near Ridge Rd. A tree was blown down across N Randall Rd north of W Indian Trail. A tree was blown down in Chicago's Dunning neighborhood.