St. Charles Parish

Every recorded tornado

1. Injuries and deaths are for the tornado’s whole path, which may extend beyond the county. Deaths recorded within St. Charles Parish: 1.
2. Weak tornadoes were under-recorded before Doppler radar coverage became national in the early 1990s, so earlier decades read low. Ratings use the Fujita scale before February 2007 and the Enhanced Fujita scale after.

Storm Prediction Center severe weather database, 1950 to 2025.

Every storm within 100 miles

1. Tropical storms and hurricanes (34 kt or more, still tropical) at closest approach. Post-tropical remnants with gale-force winds are listed but not counted. Direct: track within 50 miles; near: within 100 miles. Distance is measured to the county boundary for counties and to the city centre for cities, using positions interpolated hourly between HURDAT2 fixes.

National Hurricane Center HURDAT2, 1851 to 2025.

Every large fire

1. Large fires mapped by the Monitoring Trends in Burn Severity program since 1984: 1,000 acres or more in the West, 500 or more in the East. Prescribed burns are excluded. Acres here are the part of each perimeter inside this place.

Monitoring Trends in Burn Severity (USGS and U.S. Forest Service), 1984 to 2026.

Smoke overhead

1. A smoke day is a date on which a smoke plume traced by NOAA Hazard Mapping System analysts from satellite imagery covered this place's point (the county's population centre or the city centre). Counts here are of medium or heavy smoke. Since 2018 analysts have often drawn light smoke as one area over most of the continent, so light-smoke counts are not comparable from year to year. The plumes show smoke anywhere in the air above, not air quality at the ground, and smoke hidden by cloud is missed.

NOAA Hazard Mapping System smoke analysis, 2011 to 2026, retrieved October 30, 2026.

Claims by ZIP code

This product uses the Federal Emergency Management Agency's OpenFEMA API, but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's website(s).

OpenFEMA NFIP Redacted Claims v3, refreshed August 4, 2026. NOAA Storm Events through 2026.

1. The Palmer Drought Severity Index is computed by NOAA each month from the county's average temperature and precipitation, relative to the county's own climate. Zero is normal; -3 or lower is severe drought and -4 or lower extreme drought. It describes the long-term balance of moisture, not water supply or crop losses.

NOAA NCEI nClimDiv county Palmer Drought Severity Index, 1895 to September 2026, issued October 6, 2026.

Every earthquake of magnitude 4 or more within 50 miles

1. Earthquakes of magnitude 2.5 or more in the USGS Comprehensive Catalog since 1900. Within 50 miles means the epicentre lies within 50 miles of the county boundary (or inside the county).
2. Small earthquakes were under-recorded before the modern seismic networks of the 1970s and are still missed in remote areas, so early decades read low. Magnitudes are as the catalogue reports them and mix scales (moment, local and body-wave).

USGS ANSS Comprehensive Earthquake Catalog, 1900 to present, retrieved October 30, 2026.

More event types since 1996

Costliest events since 1996

1. Aug 29, 2021Hurricane (Typhoon), St. Charles$500 million
   National Weather Service narrative

   Ida resulted in widespread wind damage across the parish. Numerous trees and powerlines were downed. Most homes in the parish suffered at least minor to moderate roof or other damage, and several were completely destroyed. The parish���s main hospital suffered major damage to its emergency room and operating room, and every one of the parish���s public schools suffered damage ranging from cosmetic to catastrophic - with some suffering significant roof damage or wall collapses. Many roads in the parish, including River Road, were left impassable due to fallen trees, power lines or poles, or other debris. 100% of the parish was left without power due to a catastrophic…

2. Aug 28, 2005Hurricane (Typhoon), St. Charles$169 million
   National Weather Service narrative

   Hurricane Katrina was one of the strongest and most destructive hurricanes on record to impact the coast of the United States. It will likely be recorded as one the worst natural disaster in the history of the United States to date resulting in catastrophic damage and numerous casualties in southeast Louisiana and along the Mississippi coast. Damage and casualties resulting from Hurricane Katrina extended as far east as Alabama and the panhandle of Florida. Katrina developed from a tropical depression southeast of the Bahamas on August 24th. After moving through the Bahamas as a tropical storm, Katrina strengthened to a category 1 hurricane prior to landfall in south Florida…

3. Sep 11, 2024Flash Flood$52.5 million
   National Weather Service narrative

   The greater impact was from Francine���s flooding rain, though. As the north and northeastern eyewall stretched into an east-west oriented band of heavy rainfall, training storms resulted in widespread rainfall totals of 7-9��� across the parish with locally higher amounts, much of which fell over the course of just a couple hours. The heavy rain resulted in significant flash flooding across the parish, with numerous areas becoming inaccessible, and approximately over 350 homes and businesses being flooded throughout the parish, with the worst flooding reported in Norco.

4. Aug 29, 2021Storm Surge/Tide, St. Charles$50.0 million
   National Weather Service narrative

   Storm surge moving up Barataria Bay and through Lake Salvador flooded some areas along Bayou Des Allemands near Dufrene Ponds outside of the Sunset Levee System. Storm surge travelling up the Mississippi River caused a barge to crash into the parish���s pump system, interrupting water service throughout the parish. A rise of approximately 6 ft occurred on the Mississippi River near the Bonnet Carre Spillway.

5. Aug 28, 2012Storm Surge/Tide, St. Charles$11.8 million
   National Weather Service narrative

   Isaac entered the Gulf of Mexico as a tropical storm on August 26, moving northwest after crossing Haiti, Cuba and the Florida Straits. Isaac strengthened into a hurricane on the morning of the 28th when it was 75 miles south-southeast of the mouth of the Mississippi River. Isaac made landfall in Plaquemines Parish as a Category 1 Hurricane near Southwest Pass of the Mississippi River on the evening of the 28th. A second landfall occurred near Port Fourchon the following morning. The storm weakened to a tropical storm on the afternoon of the 29th about 50 miles west southwest of New Orleans, and weakened further to a tropical depression on the afternoon of the 30th near Monroe,…

6. Oct 28, 2020Tropical Storm, St. Charles$10.0 million
   National Weather Service narrative

   Zeta produced tropical storm force winds which downed trees and power lines across the parish with sporadic minor structural damage. At the peak, nearly 80 percent of the parish was without power. The parish opened one shelter as a result of the storm.

7. Sep 25, 2002Tropical Storm, St. Charles$6.4 million
   National Weather Service narrative

   Tropical Storm Isidore moved steadily northward across the central Gulf of Mexico on September 24 and September 25, 2002 before moving ashore near Grand Isle early on the morning on Thursday, September 26, 2002. The tropical storm moved steadily north across southeast Louisiana and by the afternoon of September 26 was located in central Mississippi downgraded to a tropical depression. Tropical Storm Isidore had a large circulation with tropical storm force winds extending several hundreds of miles from its center. Prior to moving onto the Yucatan Peninsula earlier in the week and weakening, Isidore was classified as a major hurricane. Swells from the distant hurricane resulted in…

8. Oct 2, 2002Hurricane (Typhoon), St. Charles$5.5 million
   National Weather Service narrative

   Hurricane Lili, a major hurricane over the Gulf of Mexico, during the daylight hours of October 2, 2002 moved steadily northwest around 15 mph toward the Louisiana coast during the evening hour. The hurricane weakened rapidly to a Saffir Simpson Scale Category 1 Hurricane by the time it made landfall during the morning of October 3rd along the south central Louisiana coast. The hurricane continued to moved north northwest across south central Louisiana before turning northeast across the northern portion of the state. Due to the rapid weakening, no sustained hurricane force winds were measured in southeast Louisiana. However, storm surge was significant across the southeast…

9. Sep 1, 2008Hurricane (Typhoon), St. Charles$2.8 million
   National Weather Service narrative

   Hurricane Gustav affected just over 300 homes with 3 homes being destroyed, 42 receiving major damage, and 127 minor damage. Many businesses also received damage and numerous trees and utility poles were knocked down. Most of the damage was caused by the high winds associated with Gustav.

10. Jun 30, 2003Tropical Storm, St. Charles$2.0 million

1. Storm Events records before 1996 cover only tornadoes, thunderstorm wind and hail. Damage figures are as reported by the National Weather Service at the time, not adjusted for inflation.

NOAA NCEI Storm Events Database, 1950 to 2026, issued October 26, 2026.

All-time high

105°FAug 27, 2023

All-time low

11°FDec 23, 1989

Warmest night

84°F3 times, most recently Jun 19, 2022

Coldest day

26°FJan 11, 1962

Wettest day

12.24 inMay 8, 1995

Snowiest day

8.0 inJan 21, 2025

Hottest year

2023mean 73.4°F

Coldest year

1968mean 65.9°F

Wettest year

1991102.37 in

Driest year

200038.88 in

Snowiest season

8.0 in2024-25

Station New Orleans Airport (USW00012916), -3 ft elevation, 7.2 miles from the population centre. Daily records from 1948 to October 26, 2026; 100.0% of days in the last 30 years are complete. Records at a single station can differ from a city’s official threaded record, which may combine several stations.

NOAA NCEI Global Historical Climatology Network Daily.

This product uses the Federal Emergency Management Agency's OpenFEMA API, but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's website(s).

OpenFEMA Disaster Declarations Summaries, retrieved October 30, 2026. Statewide declarations are not listed.

Neighbouring counties

• Tornadoes NOAA Storm Prediction Center severe weather database, through 2025.
• Tropical cyclones NOAA National Hurricane Center HURDAT2 (Atlantic; Northeast and Central Pacific), through 2025.
• Wildfire USGS/USFS Monitoring Trends in Burn Severity, through 2026.
• Storm events NOAA NCEI Storm Events Database, through 2026.
• Flood insurance OpenFEMA NFIP Redacted Claims v3, refreshed August 4, 2026.
• Declarations OpenFEMA Disaster Declarations Summaries v2, retrieved October 30, 2026.
• Weather records NOAA NCEI Global Historical Climatology Network Daily, station USW00012916.
• River crests NOAA National Weather Service, National Water Prediction Service river gauges, retrieved October 30, 2026.
• Drought NOAA NCEI nClimDiv county Palmer Drought Severity Index, through September 2026.
• Smoke NOAA NESDIS Hazard Mapping System smoke analysis, retrieved October 30, 2026.
• Earthquakes USGS ANSS Comprehensive Earthquake Catalog (ComCat), retrieved October 30, 2026.

Joins, thresholds and known limits are set out in the methodology. Found an error? Report it. Page built October 30, 2026.