Castroville, TX Live Doppler Radar

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

Open live radar for CastrovilleWhat TALON shows

What weather hits Castroville?

Since 1996, the National Weather Service has logged flash flooding on 88 days in the Medina forecast zone and Medina County — the most common reported hazard around Castroville, mostly in June and July. Next come damaging thunderstorm winds (59 days) and heavy snow & winter storms (11 days).

HazardDays reportedMost recentWorst on record
Flash flooding88Jun 2026Jun 22, 1997 · 1 death · $13 million damage
Damaging thunderstorm winds59May 2026Feb 10, 1998 · $10 million damage
Heavy snow & winter storms11Feb 2022—
Excessive heat7Aug 2024—
High winds5Mar 2025Apr 30, 2009 · $50,000 damage
Flooding4Sep 2018Sep 22, 2018 · $50,000 damage
Extreme cold & wind chill4Jan 2026—
Wildfires3Aug 2023Apr 1, 2022 · $500,000 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 Medina forecast zone and Medina County; damage is as reported, not adjusted for inflation.

Which radars cover Castroville?

The closest NEXRAD Doppler radar is KEWX (San Antonio, TX), about 55 miles east-northeast. 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 CastrovilleView
KEWX
San Antonio, TX		55 mi east-northeast4,100 ftGood — most storms and steady rain or snow show clearly
KDFX
Laughlin AFB, TX		86 mi west7,700 ftFair — the beam can pass over shallow snow and low-level rotation
KGRK
Central Texas, TX		129 mi northeast14,200 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 Castroville

Since 1950, NOAA has recorded 79 tornadoes within 25 miles of Castroville, 14 of them EF2/F2 or stronger. Most came in March and May. The strongest was an F4 on April 28, 1953, which touched down about 17 miles north-northeast of town and caused 2 deaths. The most recent was an EF0 on October 26, 2023, which passed about 24 miles east of town.

Hail: 437 reports of 1-inch or larger hail within 25 miles since 1955, 80 of them 2 inches or more; the largest was 6.42-inch hail on April 28, 2021.

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 Castroville'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.

Castroville radar FAQ

Where is the nearest weather radar to Castroville, TX?

KEWX (San Antonio, TX), about 55 miles east-northeast. KDFX (Laughlin AFB, TX) is 86 miles away and also covers the area.

Does radar show snow in Castroville?

Yes. TALON colors snow blue, a rain–snow mix pink and freezing rain purple using NOAA's precipitation-type analysis. Over Castroville the lowest scan from KEWX is about 4,100 ft up.

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

Radar for nearby towns

All Texas towns →