South Houston, TX Live Doppler Radar

Live radar for South Houston, Harris County: every NWS radar combined, rain, snow and ice colors, flash-flood risk, storm tracks and official warnings.

Open live radar for South HoustonWhat TALON shows

What weather hits South Houston?

Since 1996, the National Weather Service has logged damaging thunderstorm winds on 244 days in the Inland Harris forecast zone and Harris County — the most common reported hazard around South Houston, mostly in May and June. Next come flash flooding (150 days) and excessive heat (70 days).

HazardDays reportedMost recentWorst on record
Damaging thunderstorm winds244May 2026May 16, 2024 · 8 deaths
Flash flooding150Jun 2026Aug 26, 2017 · 38 deaths · $10.0 billion damage
Excessive heat70Sep 2023Sep 21, 2005 · 34 deaths
Lightning casualties & damage63May 2024Jul 15, 2012 · 2 deaths
Hurricanes & tropical storms11Sep 2021Jun 5, 2001 · 22 deaths · $5.0 billion damage
Flooding9Jun 2025Oct 17, 1998 · 1 death
Heavy snow & winter storms7Jan 2025Jan 20, 2025 · 2 deaths
Extreme cold & wind chill6Jan 2026Feb 12, 2021 · 40 deaths · $34 million damage

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 Inland Harris forecast zone and Harris County; damage is as reported, not adjusted for inflation.

Which radars cover South Houston?

The closest NEXRAD Doppler radar is KHGX (Houston, TX), about 16 miles southeast. 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 South HoustonView
KHGX
Houston, TX		16 mi southeast900 ftExcellent — the lowest scan sees close to the ground
KLCH
Lake Charles, LA		125 mi east-northeast13,500 ftLimited — the beam overshoots the lowest part of storms
KGRK
Central Texas, TX		148 mi west-northwest17,800 ftLimited — 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 South Houston

Since 1950, NOAA has recorded 304 tornadoes within 25 miles of South Houston, 46 of them EF2/F2 or stronger. Most came in May and August. The strongest was an F4 on November 21, 1992, which passed about 6 miles north-northwest of town. The most recent was an EF2 on December 28, 2024, which passed about 19 miles south of town.

Hail: 310 reports of 1-inch or larger hail within 25 miles since 1955, 30 of them 2 inches or more; the largest was 3.00-inch hail on April 11, 1997.

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 South Houston'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.

South Houston radar FAQ

Where is the nearest weather radar to South Houston, TX?

KHGX (Houston, TX), about 16 miles southeast. KLCH (Lake Charles, LA) is 125 miles away and also covers the area.

Does radar show snow in South Houston?

Yes. TALON colors snow blue, a rain–snow mix pink and freezing rain purple using NOAA's precipitation-type analysis. Over South Houston the lowest scan from KHGX is about 900 ft up.

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

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