County Hazards

Storm events on record through

Tornado events in St. Charles County, Missouri The tornado events on record, by date and by year

This page is a county record of past events and claims. It does not show the flood zone or the risk of an address. For the flood map of an address, use FEMA's address search (opens in a new tab).

NCEI has 43 tornado events on record for St. Charles County, Missouri, from 1950 through 30 Jun 2026.

The newest tornado event on record is on 14 Mar 2025.

From 2016 through 2025, NCEI has 9 tornado events on record for the county.

The NWS collects event reports from a variety of sources, which include (but are not limited to): county, state, and federal emergency management officials, local law enforcement officials, SKYWARN spotters, NWS damage surveys, newspaper clipping services, the insurance industry, and the general public, among others.

The National Weather Service reports property and crop damage estimates using available data at the time of event reporting. These values should therefore be considered broad estimates. Damage amounts are not adjusted for inflation.

The words of the agency. Source: NOAA NCEI, Storm Events Database, page "Frequently Asked Questions", copied on .

Date of the data: NCEI storm events through . Event types on this page: Tornado.

Newest tornado events on record

TornadoEF2

2 miles SW of WEST ALTON. Damage estimate: $222 thousand

TornadoEF0

1 mile N of FORISTELL. Damage estimate: $5 thousand

TornadoEF0

3 miles NW of DEFIANCE

TornadoEF1

2 miles ESE of WELDON

TornadoEF3

3 miles SSW of FEMME OSAGE. Damage estimate: $3.4 million

TornadoEF1

1 mile SSE of AUGUSTA

TornadoEF0

1 mile E of KAMPVILLE

TornadoEF1

2 miles ESE of FORISTELL

TornadoEF0

1 mile W of CAPPELN

TornadoEF2

2 miles SSW of PERUQUE

TornadoEF0

1 mile WNW of HARVESTER

TornadoEF0

1 mile WSW of HARVESTER

TornadoEF3

4 miles NNE of DEFIANCE. Damage estimate: $50 million

TornadoEF0

1 mile NNE of FT ZUMWALT

TornadoEF1

3 miles WNW of NEW MELLE

TornadoEF1

3 miles W of AUGUSTA

TornadoEF0

2 miles WSW of AUGUSTA

TornadoF0

3 miles SW of NEW MELLE

TornadoF0

2 miles NE of FEMME OSAGE

TornadoF0

At KLONDIKE

TornadoF1

At LAKE ST LOUIS. Damage estimate: $5.0 million

TornadoF0

1 mile E of FORISTELL

TornadoF1

At HARVESTER

TornadoF0

At FORISTELL

TornadoF2

No place on record. Damage estimate: $25 million

A place is the text of the NCEI record: a distance and a direction from a reference place. The site does not show a place text that names a private property or reads as a person. A tornado before February 2007 has a rating on the Fujita scale (F). A later tornado has a rating on the Enhanced Fujita scale (EF).

Tornado events by year

Tornado events on record for St. Charles County by year, 1950 to 2026
DecadeYear that ends in 0Year that ends in 1Year that ends in 2Year that ends in 3Year that ends in 4Year that ends in 5Year that ends in 6Year that ends in 7Year that ends in 8Year that ends in 9All
1950s00002002408
1960s10000012004
1970s00010000001
1980s10020000205
1990s10000000203
2000s02002010005
2010s121121120112
2020s0200210 (part of the year)5

A darker cell has a larger count. The number is in each cell.

Tornado events are on record from 1950. The year 2026 has the events through 30 Jun 2026 only.

By month, all years

  1. Jan1 event
  2. Feb1 event
  3. Mar4 events
  4. Apr7 events
  5. May10 events
  6. Jun8 events
  7. Jul0 events
  8. Aug1 event
  9. Sep1 event
  10. Oct3 events
  11. Nov4 events
  12. Dec3 events

Magnitudes on record

Tornado events on record for St. Charles County by rating
RatingWind estimate of the scaleEvents
EF0 or F065 to 85 mph (EF0)15
EF1 or F186 to 110 mph (EF1)14
EF2 or F2111 to 135 mph (EF2)7
EF3 or F3136 to 165 mph (EF3)7
EF4 or F4166 to 200 mph (EF4)0
EF5 or F5more than 200 mph (EF5)0
Unratedno rating on record0

Tornadoes may contain multiple segments. A tornado that crosses a county line or state line is considered a separate segment.

The words of the agency. Source: NOAA NCEI, Storm Events Database, page "Frequently Asked Questions", copied on .

The Enhanced F-scale still is a set of wind estimates (not measurements) based on damage.

The words of the agency. Source: NOAA NWS Storm Prediction Center, Enhanced Fujita Tornado Damage Scale, copied on .

The wind estimates are those of the Enhanced Fujita scale.

Beside the other counties

Tornado events on record: St. Charles County beside the total of the counties of Missouri and of the United States
MeasureSt. CharlesAll counties of MissouriAll counties of the United States
Tornado events, 1950 to 2026433,11781,254
Events for each 100 square miles7.74.52.3
Events for each 10,000 residents1.05.12.4

The columns for the state and the United States total the counties. They count the events of each county in the same way as the county column. A forecast zone with another name than a county counts for the state only.

More tornado events on record

Tornado events on record for St. Charles County, newest first, without the 25 newest events above
DateEvent typeMagnitudeDamage estimateDeathsInjuriesOn record for
TornadoF1$25 thousand00County
TornadoF3$2.5 million010County
TornadoF1$3 thousand00County
TornadoF2$2.5 million03County
TornadoF3$2.5 million00County
TornadoF1none00County
TornadoF2$25 thousand05County
TornadoF3$250 thousand00County
TornadoF3$2.5 million026County
TornadoF0$25000County
TornadoF0$3000County
TornadoF2$250 thousand00County
TornadoF1$25 thousand01County
TornadoF1$25000County
TornadoF1$3 thousand00County
TornadoF2$25 thousand00County
TornadoF1$3 thousand00County
TornadoF3$25 thousand00County

The table has all other events on record. A damage figure is an estimate in the NCEI record.

Official channels

These links open the pages of the agencies. The site checked the links on .

Cite this page

County Hazards. "Tornado events on record for St. Charles County, Missouri". https://countyhazards.com/county/mo/st-charles/tornado/. Data: NOAA NCEI Storm Events Database through 30 Jun 2026. Page made on .

Questions

Which month has the most tornado events on record for St. Charles County?
May has 10 of the 43 tornado events on record from 1950 through 30 Jun 2026.
How many tornado events are on record for Missouri?
NCEI has 3,118 tornado events on record for Missouri from 1950 through 30 Jun 2026. That count has every forecast zone of the state.
How does St. Charles County compare with the other counties of Missouri?
The counties of Missouri have 4.5 tornado events for each 100 square miles. St. Charles County has 7.7.
Which tornado ratings are on record for St. Charles County?
29 tornado events have a rating of EF0, F0, EF1 or F1. 14 events have a higher rating.