Sonterra, TX Live Doppler Radar

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

Open live radar for SonterraWhat TALON shows

What weather hits Sonterra?

Since 1996, the National Weather Service has logged flash flooding on 107 days in the Williamson forecast zone and Williamson County — the most common reported hazard around Sonterra, mostly in May and July. Next come damaging thunderstorm winds (85 days) and heavy snow & winter storms (22 days).

HazardDays reportedMost recentWorst on record
Flash flooding107Jun 2026Nov 15, 2001 · 2 deaths · $500,000 damage
Damaging thunderstorm winds85May 2026May 27, 2002 · $350,000 damage
Heavy snow & winter storms22Jan 2026Jan 27, 2009 · 1 death
Flooding7Jun 2020Oct 17, 1998 · $40,000 damage
Extreme cold & wind chill7Jan 2026Feb 14, 2021 · 2 deaths
Excessive heat6Aug 2024Jul 25, 2000 · 1 death
Lightning casualties & damage6Jul 2017Jul 19, 1998 · 1 death
Wildfires5Aug 2023Aug 8, 2023 · $2.0 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 Williamson forecast zone and Williamson County; damage is as reported, not adjusted for inflation.

Which radars cover Sonterra?

The closest NEXRAD Doppler radar is KGRK (Central Texas, TX), about 14 miles east-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 SonterraView
KGRK
Central Texas, TX		14 mi east-southeast700 ftExcellent — the lowest scan sees close to the ground
KEWX
San Antonio, TX		81 mi south-southwest6,900 ftFair — the beam can pass over shallow snow and low-level rotation
KFWS
Dallas/Fort Worth, TX		123 mi north13,300 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 Sonterra

Since 1950, NOAA has recorded 118 tornadoes within 25 miles of Sonterra, 33 of them EF2/F2 or stronger. Most came in May and April. The strongest was an F5 on May 27, 1997, which passed about 2 miles west-northwest of town and caused 27 deaths. The most recent was a tornado of unknown strength on May 1, 2025, which touched down about 22 miles west-northwest of town.

Hail: 559 reports of 1-inch or larger hail within 25 miles since 1955, 89 of them 2 inches or more; the largest was 5.68-inch hail on April 12, 2022.

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 Sonterra'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.

Sonterra radar FAQ

Where is the nearest weather radar to Sonterra, TX?

KGRK (Central Texas, TX), about 14 miles east-southeast. KEWX (San Antonio, TX) is 81 miles away and also covers the area.

Does radar show snow in Sonterra?

Yes. TALON colors snow blue, a rain–snow mix pink and freezing rain purple using NOAA's precipitation-type analysis. Over Sonterra the lowest scan from KGRK is about 700 ft up.

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

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