Slidell, LA Live Doppler Radar

Live radar for Slidell, St. Tammany County: every NWS radar combined, rain, snow and ice colors, flash-flood risk, storm tracks and official warnings.

Open live radar for SlidellWhat TALON shows

What weather hits Slidell?

Since 1996, the National Weather Service has logged damaging thunderstorm winds on 170 days in the Southeast St. Tammany forecast zone and St. Tammany County — the most common reported hazard around Slidell, mostly in August and June. Next come flash flooding (65 days) and excessive heat (26 days).

HazardDays reportedMost recentWorst on record
Damaging thunderstorm winds170Jun 2026Jun 13, 2007 · 1 death · $60,000 damage
Flash flooding65Jun 2026Mar 10, 2016 · $4.0 million damage
Excessive heat26Jul 2025—
Lightning casualties & damage24Jun 2025Apr 27, 2016 · 1 death
Flooding13Dec 2022Aug 12, 2016 · $3.2 million damage
Storm surge4Sep 2024Aug 28, 2021 · $10 million damage
Hurricanes & tropical storms3Sep 2024Aug 29, 2021 · $100 million damage
Extreme cold & wind chill2Jan 2026—

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 Southeast St. Tammany forecast zone and St. Tammany County; damage is as reported, not adjusted for inflation.

Which radars cover Slidell?

The closest NEXRAD Doppler radar is KLIX (New Orleans, LA), about 4 miles northwest. 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.

RadarDistanceLowest beam over SlidellView
KLIX
New Orleans, LA		4 mi northwest200 ftExcellent — the lowest scan sees close to the ground
KHDC
Hammond, LA		40 mi west-northwest2,700 ftExcellent — the lowest scan sees close to the ground
KMOB
Mobile, AL		96 mi east-northeast9,000 ftFair — the beam can pass over shallow snow and low-level rotation

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 Slidell

Since 1950, NOAA has recorded 136 tornadoes within 25 miles of Slidell, 21 of them EF2/F2 or stronger. Most came in April and March. The strongest was an EF3 on March 22, 2022, which passed about 21 miles south-southwest of town and caused 1 death. The most recent was an EF1 on March 15, 2025, which passed about 21 miles northwest of town.

Hail: 104 reports of 1-inch or larger hail within 25 miles since 1955, 4 of them 2 inches or more; the largest was 3.00-inch hail on May 24, 1988.

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 Slidell'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.

Slidell radar FAQ

Where is the nearest weather radar to Slidell, LA?

KLIX (New Orleans, LA), about 4 miles northwest. KHDC (Hammond, LA) is 40 miles away and also covers the area.

Can radar see a tornado near Slidell?

Radar can't see the tornado itself, but it shows the rotating storm and, once debris is lofted, a debris signature. Over Slidell the lowest scan from KLIX is about 200 ft up — excellent — the lowest scan sees close to the ground.

Is TALON's radar for Slidell 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 Slidell, follow it right away — see watch vs. warning.

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