Port Isabel, TX Live Doppler Radar
Live radar for Port Isabel, Cameron County: every NWS radar combined, rain, snow and ice colors, flash-flood risk, storm tracks and official warnings.
What weather hits Port Isabel?
Since 1996, the National Weather Service has logged damaging thunderstorm winds on 68 days in the Coastal Cameron forecast zone and Cameron County — the most common reported hazard around Port Isabel, mostly in May and April. Next come flash flooding (53 days) and excessive heat (50 days).
| Hazard | Days reported | Most recent | Worst on record |
|---|---|---|---|
| Damaging thunderstorm winds | 68 | May 2026 | May 2, 2000 · $5.0 million damage |
| Flash flooding | 53 | Jun 2026 | Mar 27, 2025 · $105 million damage |
| Excessive heat | 50 | Jun 2026 | — |
| Flooding | 27 | Sep 2025 | Jul 24, 2008 · $38 million damage |
| Extreme cold & wind chill | 6 | Jan 2026 | — |
| Lightning casualties & damage | 6 | Sep 2024 | May 16, 2020 · $7.0 million damage |
| Coastal flooding | 3 | Apr 2023 | — |
| High winds | 2 | Jan 2024 | Jan 24, 2023 · $15,000 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 Coastal Cameron forecast zone and Cameron County; damage is as reported, not adjusted for inflation.
Which radars cover Port Isabel?
The closest NEXRAD Doppler radar is KBRO (Brownsville, TX), about 15 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.
| Radar | Distance | Lowest beam over Port Isabel | View |
|---|---|---|---|
| KBRO Brownsville, TX | 15 mi southwest | 800 ft | Excellent — the lowest scan sees close to the ground |
| KCRP Corpus Christi, TX | 120 mi north | 12,700 ft | Limited — the beam overshoots the lowest part of storms |
| KEWX San Antonio, TX | 256 mi north | 44,600 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 Port Isabel
Since 1950, NOAA has recorded 43 tornadoes within 25 miles of Port Isabel, 3 of them EF2/F2 or stronger. Most came in May and August. The strongest was an F3 on May 12, 1969, which touched down about 22 miles west of town. The most recent was a tornado of unknown strength on October 27, 2025, which touched down about 5 miles east of town.
Hail: 51 reports of 1-inch or larger hail within 25 miles since 1955, 13 of them 2 inches or more; the largest was 4.00-inch hail on May 11, 1971.
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 Isabel'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 Isabel radar FAQ
Where is the nearest weather radar to Port Isabel, TX?
KBRO (Brownsville, TX), about 15 miles southwest. KCRP (Corpus Christi, TX) is 120 miles away and also covers the area.
Can radar see a tornado near Port Isabel?
Radar can't see the tornado itself, but it shows the rotating storm and, once debris is lofted, a debris signature. Over Port Isabel the lowest scan from KBRO is about 800 ft up — excellent — the lowest scan sees close to the ground.
Is TALON's radar for Port Isabel 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 Isabel, follow it right away — see watch vs. warning.
Radar for nearby towns
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