Destrehan, LA Live Doppler Radar
Live radar for Destrehan, St. Charles County: every NWS radar combined, rain, snow and ice colors, flash-flood risk, storm tracks and official warnings.
What weather hits Destrehan?
Since 1996, the National Weather Service has logged damaging thunderstorm winds on 56 days in the Central St. Charles forecast zone and St. Charles County — the most common reported hazard around Destrehan, mostly in April and July. Next come flash flooding (46 days) and flooding (3 days).
| Hazard | Days reported | Most recent | Worst on record |
|---|---|---|---|
| Damaging thunderstorm winds | 56 | May 2026 | Dec 9, 2004 · $75,000 damage |
| Flash flooding | 46 | Jun 2026 | Sep 11, 2024 · $53 million damage |
| Flooding | 3 | Jan 1998 | — |
| Lightning casualties & damage | 2 | Jun 2008 | Jun 7, 2001 · $500,000 damage |
| Storm surge | 1 | Sep 1998 | — |
Source: NOAA NCEI Storm Events Database, 1996–2026 (the latest year is partial). A "day" is a date with at least one report in the Central St. Charles forecast zone and St. Charles County; damage is as reported, not adjusted for inflation.
Which radars cover Destrehan?
The closest NEXRAD Doppler radar is KHDC (Hammond, LA), about 38 miles north. Radar beams climb as they travel, so the height of the lowest scan over town decides how low in a storm the radar can see.
| Radar | Distance | Lowest beam over Destrehan | View |
|---|---|---|---|
| KHDC Hammond, LA | 38 mi north | 2,500 ft | Excellent — the lowest scan sees close to the ground |
| KLIX New Orleans, LA | 40 mi northeast | 2,700 ft | Excellent — the lowest scan sees close to the ground |
| KMOB Mobile, AL | 135 mi east-northeast | 15,400 ft | Limited — the beam overshoots the lowest part of storms |
Beam height is the center of the 0.5° scan above the radar, with standard refraction. Mountains near a radar can block it further.
Tornado & hail history near Destrehan
Since 1950, NOAA has recorded 143 tornadoes within 25 miles of Destrehan, 25 of them EF2/F2 or stronger. Most came in May and April. The strongest was an F4 on December 6, 1983, which passed about 8 miles north-northwest of town. The most recent was an EF0 on October 5, 2025, which touched down about 23 miles northwest of town.
Hail: 138 reports of 1-inch or larger hail within 25 miles since 1955, 10 of them 2 inches or more; the largest was 3.50-inch hail on June 20, 2023.
Source: NOAA Storm Prediction Center — tornadoes 1950–2025, hail 1955–2025. Distances are to each tornado's track; ratings before February 2007 use the original Fujita scale.
On TALON you get Destrehan's live radar loop, rain/snow/ice colors, flash-flood risk, storm tracks with arrival times and NWS warnings free; close-up radar and rotation detection are part of TALON Pro.
Destrehan radar FAQ
Where is the nearest weather radar to Destrehan, LA?
KHDC (Hammond, LA), about 38 miles north. KLIX (New Orleans, LA) is 40 miles away and also covers the area.
Can radar see a tornado near Destrehan?
Radar can't see the tornado itself, but it shows the rotating storm and, once debris is lofted, a debris signature. Over Destrehan the lowest scan from KHDC is about 2,500 ft up — excellent — the lowest scan sees close to the ground.
Is TALON's radar for Destrehan free?
Yes — the US radar loop, rain/snow/ice colors, flash-flood risk, storm tracks and NWS warnings are free in any browser. Close-up radar, rotation detection and longer forecasts are part of TALON Pro.
Should I rely on radar for my safety?
No app replaces official warnings. When the National Weather Service issues a warning for Destrehan, follow it right away — see watch vs. warning.
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