Several counties in southeast Missouri were moved to D2, severe, drought status.
Every event with a place to put it; 7 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
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 LSX wrote it up.
Several counties in southeast Missouri were moved to D2, severe, drought status.
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 St. Louis, MO wrote its last area forecast discussion before the first event at Jul 31, 9:42 PM CST, 2 hours 18 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE ST LOUIS MO 1042 PM CDT TUE JUL 31 2007 .DISCUSSION... LTL OR NO PCPN AND SLOWLY INCRG TEMPS SHUD BE THE PRIMARY WX TRENDS FOR THE RMNDR OF THE WEEK AS RDGG HOLDS FIRM ACR AREA. THERE CULD BE A CHC FOR TSRA OVR AREA THU NGT AS SHTWV DEPRESSES RDG JUST A BIT AND ALLOWS WK CDFNT TO APRCH FROM N. WRF/NAM IS MOST AGGRESSIVE WITH PCPN ATTM...BUT OTHER SHORT TERM MODELS ARE MUCH DRIER SO HV HELD POPS IN THE SLGT CHC CAT FOR NOW. AS FAR AS TEMPS ARE CONCERNED MAV GUID HAS BEEN TOO FAST IN WRMG DAYTIME HIGHS OVR THE PAST FEW DAYS. WITH LO LVL TRAJS INDICATING THAT FLOW WL CONT TO ORIGINATE FROM SFC RDG NE/E OF OUR CWA THINK THAT 12Z MAV TRENDS ARE ALSO TOO WRM. SO HV GONE WITH THE MORE MODEST WRMUP OF 1-2 DEGREES EACH DAY WHICH PUSHES HIGHS INTO THE MID 90S MOST OF THE AREA BY THU. HEADING INTO THE LATTER STAGES OF THE 7 DAY FCST...MEDIUM RANGE MODELS RMN IN AGREEMENT THAT LARGE RDG WL BE DOMINATING MUCH OF THE U.S. FROM THE S ROCKIES INTO THE OHIO VLY...WITH WESTERLIES AND ATTENDANT DYNAMICS RMNG N OF OUR CWA. WHILE MCS ACTIVITY THAT DOES DVLP IN THE WESTERLIES WL CERTAINLY BE A THRT TO TRACK SE AND AFFECT OUR AREA...ATTM UVV/LO LVL FORCING SEEMS TO BE DISPLACED WELL N OF OUR AREA. THFR...GOING WITH A FCST WHICH FAVORS CLIMATOLOGICALLY DRY POPS APRS TO BE THE WAY TO GO. WITH VRY LTL CHG IN 85H TEMPS DAYTIME HIGHS SHUD RMN WELL IN THE 90S ACR THE ENTR REGION. MEX GUID SEEMS TO BE CONTG TREND OF 12Z MAV OF BEING TOO WRM ON SAT/SUN. HWVR...ALSO SUSPECT THAT THE DOWNWARD ADJ OF MAX TEMPS AS SUGGESTED BY MEX IN THE MON/TUE TIME FRAME IS A REFLECTION OF CLIMO BIAS THAT IS COMMON IN THE LTR PDS OF STATISTICAL FCSTS. SO HV GENLY HELD DAYTIME TEMPS IN THE MID 90S IN THE FRI-TUE TIME FRAME. THESE TEMPS...COMBINED WITH A SLO INCR IN DWPTS...SHUD ALSO SLOWLY PUSH THE HI INTO THE 100-105 RANGE DURG THE PD. TRUETT && .AVIATION... FOR THE 06Z TAFS...RIDGE OF HIGH PRESSURE WILL KEEP VFR CONDITIONS ACROSS CWA THROUGH VALID FORECAST PERIOD. HAVE A FEW HOURS OF RIVER VALLEY FOG AT KSUS...OTHERWISE LIGHT EAST-SOUTHEASTERLY WINDS WILL CONTINUE WITH CLEAR SKIES. CVKING && .LSX WATCHES/WARNINGS/ADVISORIES... MO...NONE. IL...NONE. && WFO LSX
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE ST LOUIS MO 424 PM CDT TUE JUL 31 2007 ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027- 034>036-041-042-047>052-059>065-072>075-084-085-099-011200- GREENE IL-MACOUPIN IL-MONTGOMERY IL-BOND IL-FAYETTE IL-CLINTON IL- MARION IL-WASHINGTON IL-RANDOLPH IL-ADAMS IL-BROWN IL-PIKE IL- CALHOUN IL-JERSEY IL-MADISON IL-ST. CLAIR IL-MONROE IL-KNOX-LEWIS- SHELBY-MARION-MONROE-RALLS-PIKE-BOONE-AUDRAIN-MONITEAU-COLE-OSAGE- CALLAWAY-MONTGOMERY-LINCOLN-GASCONADE-WARREN-ST. CHARLES-FRANKLIN- ST. LOUIS-ST. LOUIS CITY-JEFFERSON-CRAWFORD-WASHINGTON- ST. FRANCOIS-STE. GENEVIEVE-IRON-MADISON-REYNOLDS- 424 PM CDT TUE JUL 31 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EASTERN AND CENTRAL MISSOURI AS WELL AS WEST CENTRAL AND SOUTHWEST ILLINOIS. .DAY ONE...TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY A GRADUAL INCREASE OF TEMPERATURE AND HUMIDITY LEVELS WILL BE PUSHING THE HEAT INDEX TO AROUND 100 DEGREES IN A FEW SPOTS ON FRIDAY THROUGH SUNDAY...WITH READINGS OF 100 TO 105 DEGREES EXPECTED BY MONDAY AND TUESDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED TONIGHT. && FOR A GRAPHICAL VERSION OF THIS INFORMATION SEE OUR WEBPAGE AT (LOWERCASE)... HTTP://WWW.WEATHER.GOV/LSX/?N=HWO1 TRUETT
The national radar mosaic for the moment the first event began.
7 drought. Local standard time, as filed.
The southern half of Jefferson County was moved to D2, severe, drought status.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Missouri in 2007Every state in 2007This day in weather historyWarnings in Missouri, August 2007
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: 58982, 58983, 58984, 58985, 58986, 58987, 58988.