NOAA's National Weather Service Weather Forecast Office

Formed 4 miles S of Wright City in Warren County and moved NE, passing near Foristell and ending N of Wentzville.  At least 8 homes were destroyed.  A teaching certificate was carried for 50 miles.

Formed near West Alton and moved NE into Madison County, IL.  A home was destroyed and freight cars were derailed.  A man was caught in the open, and carried 50 yards.

Touched down on the Mississippi River and moved into Madison County, IL.

Formed near Wentzville and moved E, passing through or near Gilmore, O'Fallon, and St. Peters.  Many buildings were destroyed in O'Fallon causing more than $20,000 in damage.  A woman and a child were killed when a horse and buggy were thrown 200 yards.  One person was killed in Wentzville and another at Gilmore.

Caused extensive damage over Franklin County before crossing the Missouri River.

Formed near St. Charles and moved ENE into Madison County, IL.  One person was injured in St. Charles County.

Moved NE, then E causing roof damage to a third of the homes in Defiance.  Barns were leveled just outside of town.

Formed 7 miles S of Grafton, IL and moved NE.  It struck Smart Field, a deactivated Navy Field, tossing a pickup truck into the remains of the administration building.  The funnel crossed the Mississippi River into Jersey County, IL, SE of Elsah.

Formed near Florissant in St. Louis County and moved ENE, crossing over the far eastern part of St. Charles County before moving into Madison County, IL.  This tornado killed 5, injured 55, and caused $1,500,000 in property damage.

Formed near Gilmore and followed an intermittent path to the NE, finally dissipating W of Portage Des Sioux.  A small home was destroyed near Gilmore.  Barns and a hangar were also damaged.

A tornado touched down just SW of the intersection of I-70 and MO Highway 94 in St. Charles County.  Considerable damage occurred to trailers, business buildings and apartment houses along a SW to NE 0.75 mile long path, 100 to 200 yards wide.  At this point the tornado lifted for 2.5 miles as it passed over the more heavily populated parts of St. Charles.  It returned to the ground on the NE edge of St. Charles, just west of MO Highway 94 and north of the Wabash Railroad.  A newly completed church was unroofed and one wall blown out.  NE of the church, 15 trailers were destroyed and 26 people injured as the tornado swept through a trailer park.

A small tornado destroyed a drive-in restaurant, damaged a dozen parked cars and overturned, or damaged several house trailers on the west edge of Wentzville.   About 200 students attending a high school band festival were scheduled to eat at the drive-in 20 to 30 minutes later but had been returned instead to the high school for shelter as the storm approached with a tornado watch in effect.

Caused extensive damage over parts of St. Louis County before crossing the MO river and dissipating in St. Charles County.

A small tornado formed in the Missouri River Bottoms of extreme north St. Louis County, 2 miles S of Pelican Island.  The damage path crossed the eastern part of Pelican Island as it crossed the Missouri River, crossed a narrow strip of extreme eastern part of eastern St. Charles County between the Missouri and Mississippi Rivers and entered southeastern Jersey County, IL 7 miles upstream of the Alton Dam.  

Tornado reported by the public near Harvester.  No damage reported.

A tornado formed near Florissant in St. Louis County and caused extensive damage before moving NE into St. Charles County.  The tornado passed through a rural area near West Alton where a long expanse of high tension distribution lines able to withstand 150 miles mph winds were toppled.  The tornado then moved into Madison County, IL.  This tornado injured a total of 15 people and cause damage in excess of $500,000.

A tornado was reported just N of O'Fallon with some minor damage.

A different tornado touched down on the S side of I-70 and moved right into O'Fallon.  Several businesses were severely damaged.  The roof was taken off an apartment building and a number of mobile homes were damaged.  One Laundromat received severe damage.  One girl in the Laundromat escaped injuries by going into the bathroom.

A small tornado struck the west side of Wentzville and damaged a middle school.  The tornado first touched down near Wilmer Road on the S side of I-70.

A tornado touched down on the SW side of O'Fallon, S of I-70.  The tornado was on the ground for no more than a couple of minutes and for just a little more than 200 yards at one point.  The first damage was near Byron Road just SW of O'Fallon.  The tornado produced considerable damage on the NW corner of the Osage Meadows subdivision, primarily to roofs, garages, fences, and trees.  The storm then produced extensive damage to to the Sunset Acres Condominiums.  Sixty-four of the 81 units were destroyed.  The tornado also took the roofs off of three houses.  A large window at a K-Mart store was blown out.  Many trees were damaged or destroyed.  Ten injuries were reported, of which 2 were hospitalized.

A tornado touched down about 1 mile SW of O'Fallon and produced an intermittent damage through O'Fallon to just NE of O'Fallon.  Damage was extensive in locations.  It is likely that at least some of the damage was from straight-line winds at the beginning of the storm.  The tornado was fast moving and all of the damage was distributed tot he NE.  However, several eyewitnesses, including law enforcement officials and trained spotters, saw a funnel cloud.  The damage included a large apartment complex, a publishing company, and the destruction of 6 businesses and four houses.  Many other homes, mobile homes, and businesses received significant damage.

A weak tornado tracked from just east of Warrenton in Warren County to Lake St. Louis in St. Charles County. The tornado was spotted several times along the path by severe storm spotters, intermittently touching down but causing very little damage. The only reported damage of note was to the garage doors at the truck weigh station along Interstate 70 in Foristell.

A small tornado left an intermittent damage path through the Harvester area of St. Charles County. The first damage occurred about 1/8 mile south of Towers Road in the Vineyards subdivision. Here it snapped several trees and caused minor roof damage. The intensity was F0 with a width of about 40 yards. The tornado crossed Towers Road and moved into the Summerfield subdivision. Seventeen homes in this area suffered roof damage. Two homes were later condemned by county officials. The one injury occurred in this area. A 7 year-old boy suffered a cut from broken glass. The tornado at this point reached the lower end of F1 on the Fujita scale and had a damage width of about 60 yards. The tornado continued northeast and caused damaged in the vicinity of Hickory Dale Road where 8 homes suffered some degree of roof or siding damage. The roof of one home was completely blown off. Here the tornado was also at the lower end of F1 and reached its maximum damage width of 70 yards. The tornado crossed Caulks Hill Road causing some tree damage. The tornado began to dissipate with only tree damage noted to Jungs Station Road.

The 4th tornado spawned by the Heavy Precipitation Supercell that crossed central and eastern Missouri formed just E of Foristell and traveled 4 miles to just W of Wentzville. The tornado formed along the outer road of Interstate 70 where it destroyed a garage and blew a tractor-trailer onto some railroad tracks. The tornado caused minor damage to 3 homes, an automotive repair shop and a restaurant. Several trees and power poles were snapped along the path.

The 5th tornado spawned by the Heavy Precipitation Supercell that moved across the NWS St. Louis County Warning Area formed in Lake St. Louis. Most of the damage was at the Mystic Village apartment complex where the tornado was briefly F1 in intensity. Altogether, 2 buildings were considered destroyed, 14 homes/apartment/businesses had major damage, and 8 other homes/apartments/businesses had minor damage.

Klondike Park officials reported a brief tornado that downed some trees in the park.

A small tornado moved northeast along Femme Osage Creek Road in rural west St. Charles County. Damage was limited to snapped and uprooted trees.

A small tornado downed some trees and caused roof damage to some outbuildings near the small community of Detters. The tornado formed near Highway T and tracked southeast along Fiddle Creek Road.

G - Grazulis, T. P., 1993: Significant Tornadoes 1680-1991.  A Chronology and Analysis of Events. Environmental Films, Tornado Project, St. Johsnbury, VT.
SD - National Oceanic and Atmospheric Administration, 1959-2004: Storm Data. Vols. 1-46, Nos. 1-12, National Climatic Data Center, Asheville, NC.
SPC - Storm Prediction Center Database