Port Lavaca, TX Live Doppler Radar

Live radar for Port Lavaca, Calhoun County: every NWS radar combined, rain, snow and ice colors, flash-flood risk, storm tracks and official warnings.

What weather hits Port Lavaca?

Since 1996, the National Weather Service has logged flash flooding on 31 days in the Coastal Calhoun forecast zone and Calhoun County — the most common reported hazard around Port Lavaca, mostly in May and June. Next come damaging thunderstorm winds (29 days) and extreme cold & wind chill (8 days).

HazardDays reportedMost recentWorst on record
Flash flooding31May 2026—
Damaging thunderstorm winds29May 2026May 1, 2026 · $405,000 damage
Extreme cold & wind chill8Jan 2026Feb 14, 2021 · $150,000 damage
Flooding6May 2026Aug 30, 2017 · $1.0 million damage
Hurricanes & tropical storms5Jul 2024Sep 13, 2021 · $100,000 damage
Storm surge3Sep 2021Jul 25, 2020 · $100,000 damage
Coastal flooding3Jun 2024—
Excessive heat2Sep 2024—

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 Coastal Calhoun forecast zone and Calhoun County; damage is as reported, not adjusted for inflation.

Which radars cover Port Lavaca?

The closest NEXRAD Doppler radar is KCRP (Corpus Christi, TX), about 79 miles southwest. 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 Port LavacaView
KCRP
Corpus Christi, TX
79 mi southwest6,700 ftFair — the beam can pass over shallow snow and low-level rotation
KHGX
Houston, TX
111 mi east-northeast11,200 ftLimited — the beam overshoots the lowest part of storms
KEWX
San Antonio, TX
113 mi northwest11,600 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 Port Lavaca

Since 1950, NOAA has recorded 83 tornadoes within 25 miles of Port Lavaca, 8 of them EF2/F2 or stronger. Most came in September and May. The strongest was an F3 on November 5, 1968, which passed about 12 miles northwest of town. The most recent was an EF1 on May 13, 2024, which passed about 2 miles northeast of town.

Hail: 58 reports of 1-inch or larger hail within 25 miles since 1955, 4 of them 2 inches or more; the largest was 2.75-inch hail on April 12, 1969.

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 Port Lavaca'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.

Port Lavaca radar FAQ

Where is the nearest weather radar to Port Lavaca, TX?

KCRP (Corpus Christi, TX), about 79 miles southwest. KHGX (Houston, TX) is 111 miles away and also covers the area.

How often does Port Lavaca flood?

Since 1996 the National Weather Service has logged flash flooding on 31 days in the Coastal Calhoun forecast zone and Calhoun County. TALON's free flash-flood risk layer shows, every 2 minutes, how close the rain that has fallen is to what it takes to flood — turn it on under Layers.

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

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