Scattered strong to severe thunderstorms were seen throughout western Illinois. One storm produced strong outflow winds, which led to some tree damage in Elizabeth, Illinois.
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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.
The episode as NWS DVN wrote it up.
Scattered strong to severe thunderstorms were seen throughout western Illinois. One storm produced strong outflow winds, which led to some tree damage in Elizabeth, Illinois.
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 Quad Cities, IA wrote its last area forecast discussion before the first event at Jul 5, 12:40 PM CST, 20 minutes earlier.
Area Forecast Discussion National Weather Service Quad Cities IA IL 140 PM CDT Wed Jul 5 2023 .SHORT TERM...(This Evening through Thursday) Issued at 137 PM CDT Wed Jul 5 2023 [Key Messages] 1) Showers/storms, some severe, this afternoon and early evening 2) Dry & cooler for Thursday [Discussion] A cold front was slowly traversing the area early this afternoon, with showers and storms accompanying it. Some had reached severe limits, mainly producing damaging winds and large hail across portions of far eastern Iowa and northwest Illinois. These showers/storms will continue mainly across these areas for the next several hours as the front interacts with a very unstable, moist environment. As the front passes through, look for conditions to become dry as high pressure follows and builds across the area Thursday. It will be noticeably more pleasant as well as dewpoints fall into the 50s, with afternoon highs only climbing into the upper 70s to low 80s. .LONG TERM...(Thursday Night through Wednesday) Issued at 137 PM CDT Wed Jul 5 2023 [Key Messages] 1) Dry & continued pleasant weather to close the work week 2) Persistent shower/storm chances return this weekend into next week [Discussion] Friday... High pressure and ridging aloft will be over us to start the day before quickly traversing east into the Ohio River Valley by the late afternoon. This should be enough to give us one last day of definite dry weather and pleasant humidities, with highs Friday once again expected to only climb into the mid to upper 70s thanks to increasing clouds. Friday Evening into Saturday... Will be keeping a close eye on this period as shower/storm chances will return to the area during the evening into the night. Synoptic-wise, robust 500 hPa shortwave embedded in zonal flow behind the aforementioned ridging will work into the area, and will interact with moisture and warm air advection across the central Plains and westernmost Midwest to produce widespread showers/storms across the east central Plains Friday evening. This is progged by the majority of deterministic guidance to move into the area late Friday night and Saturday morning, giving most of us a decent chance for some rainfall. There is also a low potential of severe weather as well with favorable shear aloft promoting storm organization. Currently, the Storm Prediction Center has portions of southeast Iowa and northeast Missouri in a Level 1 (marginal) Risk of severe thunderstorms. Look for more details on this period in subsequent forecast packages. Weak high pressure will follow immediately after that, which looks to keep the rest of the daytime Saturday favored dry with only very slight chances of additional rainfall. Leftover cloud cover from will once again keep temperatures confined into the 70s. Sunday on... As alluded to in the previous discussion, we will see a noticeable pattern change aloft as an upper level high builds over the western CONUS and an upper low develops near Hudson Bay. This pattern change results in lower than normal confidence on how the sensible weather evolves as numerous shortwaves rotate around the low and move across the region. Deterministic guidance remains very spread out on precipitation chances due to the shortwaves, with their respective ensembles offering little in the way of narrowing down more favorable periods. Hence, latest forecast package continues to highlight the remainder of the weekend through mid-week with slight chance to chances of showers/storms each day. Temperature-wise, the northwest flow pattern with near zonal surface flow favors near normal values. This puts us with daily highs in the low to mid 80s, with overnight lows in the upper 50s to low 60s. && .AVIATION...(For the 18Z TAFS through 18Z Thursday afternoon) Issued at 1215 PM CDT Wed Jul 5 2023 Some scattered showers and storms will be possible within the first 6 hrs or so of the forecast period at all sites. Some MVFR vsbys may be seen with the storms. A period of MVFR cigs may also be seen, especially at CID and DBQ, as a cold front makes its way through the area. VFR are expected by mid evening with clearing overnight. && .DVN WATCHES/WARNINGS/ADVISORIES... IA...NONE. IL...NONE. MO...NONE. && SHORT TERM...Speck LONG TERM...Speck AVIATION...14
Hazardous Weather Outlook National Weather Service Quad Cities IA IL 331 AM CDT Wed Jul 5 2023 IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007- 009-015>018-024>026-034-035-MOZ009-010-060845- Buchanan-Delaware-Dubuque-Benton-Linn-Jones-Jackson-Iowa-Johnson- Cedar-Clinton-Muscatine-Scott-Keokuk-Washington-Louisa-Jefferson- Henry IA-Des Moines-Van Buren-Lee-Jo Daviess-Stephenson-Carroll- Whiteside-Rock Island-Henry IL-Bureau-Putnam-Mercer-Henderson- Warren-Hancock-McDonough-Scotland-Clark- 331 AM CDT Wed Jul 5 2023 This Hazardous Weather Outlook is for portions of north central Illinois...northwest Illinois...west central Illinois...east central Iowa...northeast Iowa...southeast Iowa and northeast Missouri. .DAY ONE...TODAY AND TONIGHT Thunderstorms are expected today across the area, especially between 12 PM and 8 PM. Severe storms are possible along and east of the Mississippi. The primary risk looks to be damaging winds. The Storm Prediction Center has a slight risk of severe storms along and east of the Mississippi. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY There is a chance of thunderstorms each day from Friday through Tuesday. At this time it is too early to determine a severe risk. .SPOTTER INFORMATION STATEMENT... Spotter activation is possible this afternoon and evening for areas along and east of the Mississippi.
The Quad Cities radar (KDVN), 83 km away, was scanning. The volume nearest the first event began at 18:58 UTC.
1 thunderstorm wind. Local standard time, as filed.
Tree limbs down near Highway 20 and Elizabeth Scales Mound Road, relayed by law enforcement.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Illinois in 2023Every state in 2023This day in weather historyWarnings in Illinois, July 2023
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: 1121323.