Buchanan Dam, TX Live Doppler Radar

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

Open live radar for Buchanan DamWhat TALON shows

What weather hits Buchanan Dam?

Since 1996, the National Weather Service has logged flash flooding on 66 days in the Llano forecast zone and Llano County — the most common reported hazard around Buchanan Dam, mostly in May and July. Next come damaging thunderstorm winds (38 days) and heavy snow & winter storms (19 days).

HazardDays reportedMost recentWorst on record
Flash flooding66Jun 2026Oct 16, 2018 · 1 death · $1.0 million damage
Damaging thunderstorm winds38Mar 2026Oct 18, 2006 · $1.0 million damage
Heavy snow & winter storms19Jan 2026Feb 1, 1996 · $1.6 million damage
Flooding12Oct 2023Feb 20, 1997 · 2 deaths · $2.0 million damage
Extreme cold & wind chill8Jan 2026—
Excessive heat7Aug 2024—
Wildfires4Aug 2023Aug 13, 2020 · $300,000 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 Llano forecast zone and Llano County; damage is as reported, not adjusted for inflation.

Which radars cover Buchanan Dam?

The closest NEXRAD Doppler radar is KGRK (Central Texas, TX), about 64 miles east. 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 Buchanan DamView
KGRK
Central Texas, TX		64 mi east5,000 ftGood — most storms and steady rain or snow show clearly
KEWX
San Antonio, TX		81 mi south-southeast7,000 ftFair — the beam can pass over shallow snow and low-level rotation
KSJT
San Angelo, TX		127 mi west-northwest13,900 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 Buchanan Dam

Since 1950, NOAA has recorded 35 tornadoes within 25 miles of Buchanan Dam, 5 of them EF2/F2 or stronger. Most came in May and September. The strongest was an F3 on March 10, 1973, which passed about 14 miles east-southeast of town. The most recent was an EF2 on June 12, 2014, which touched down about 21 miles east of town.

Hail: 373 reports of 1-inch or larger hail within 25 miles since 1955, 80 of them 2 inches or more; the largest was 5.00-inch hail on May 21, 2011.

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 Buchanan Dam'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.

Buchanan Dam radar FAQ

Where is the nearest weather radar to Buchanan Dam, TX?

KGRK (Central Texas, TX), about 64 miles east. KEWX (San Antonio, TX) is 81 miles away and also covers the area.

Does radar show snow in Buchanan Dam?

Yes. TALON colors snow blue, a rain–snow mix pink and freezing rain purple using NOAA's precipitation-type analysis. Over Buchanan Dam the lowest scan from KGRK is about 5,000 ft up.

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

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