Seguin, TX Live Doppler Radar

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

What weather hits Seguin?

Since 1996, the National Weather Service has logged flash flooding on 84 days in the Guadalupe forecast zone and Guadalupe County — the most common reported hazard around Seguin, mostly in June and July. Next come damaging thunderstorm winds (47 days) and heavy snow & winter storms (15 days).

HazardDays reportedMost recentWorst on record
Flash flooding84May 2026Oct 17, 1998 · 4 deaths · $5.1 million damage
Damaging thunderstorm winds47May 2026Mar 19, 2002 · $600,000 damage
Heavy snow & winter storms15Jan 2025—
Excessive heat10Aug 2024Jun 12, 2011 · 1 death
Extreme cold & wind chill7Jan 2026—
Flooding6Jun 2010Oct 17, 1998 · $30 million damage
Wildfires2Aug 2023—
Lightning casualties & damage2May 2015Jul 18, 2009 · $100,000 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 Guadalupe forecast zone and Guadalupe County; damage is as reported, not adjusted for inflation.

Which radars cover Seguin?

The closest NEXRAD Doppler radar is KEWX (San Antonio, TX), about 9 miles north-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 SeguinView
KEWX
San Antonio, TX
9 mi north-northwest400 ftExcellent — the lowest scan sees close to the ground
KGRK
Central Texas, TX
86 mi north-northeast7,600 ftFair — the beam can pass over shallow snow and low-level rotation
KCRP
Corpus Christi, TX
128 mi south-southeast14,100 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 Seguin

Since 1950, NOAA has recorded 71 tornadoes within 25 miles of Seguin, 15 of them EF2/F2 or stronger. Most came in May and October. The strongest was an F3 on December 1, 1953, which passed about 7 miles south-southeast of town. The most recent was an EF0 on June 12, 2025, which touched down about 25 miles north-northwest of town.

Hail: 269 reports of 1-inch or larger hail within 25 miles since 1955, 41 of them 2 inches or more; the largest was 4.25-inch hail on April 20, 2006.

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 Seguin'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.

Seguin radar FAQ

Where is the nearest weather radar to Seguin, TX?

KEWX (San Antonio, TX), about 9 miles north-northwest. KGRK (Central Texas, TX) is 86 miles away and also covers the area.

Does radar show snow in Seguin?

Yes. TALON colors snow blue, a rain–snow mix pink and freezing rain purple using NOAA's precipitation-type analysis. Over Seguin the lowest scan from KEWX is about 400 ft up.

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

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