Tomball, TX Live Doppler Radar

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

Open live radar for TomballWhat TALON shows

What weather hits Tomball?

Since 1996, the National Weather Service has logged damaging thunderstorm winds on 244 days in the Inland Harris forecast zone and Harris County — the most common reported hazard around Tomball, mostly in May and June. Next come flash flooding (150 days) and excessive heat (70 days).

HazardDays reportedMost recentWorst on record
Damaging thunderstorm winds244May 2026May 16, 2024 · 8 deaths
Flash flooding150Jun 2026Aug 26, 2017 · 38 deaths · $10.0 billion damage
Excessive heat70Sep 2023Sep 21, 2005 · 34 deaths
Lightning casualties & damage63May 2024Jul 15, 2012 · 2 deaths
Hurricanes & tropical storms11Sep 2021Jun 5, 2001 · 22 deaths · $5.0 billion damage
Flooding9Jun 2025Oct 17, 1998 · 1 death
Heavy snow & winter storms7Jan 2025Jan 20, 2025 · 2 deaths
Extreme cold & wind chill6Jan 2026Feb 12, 2021 · 40 deaths · $34 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 Inland Harris forecast zone and Harris County; damage is as reported, not adjusted for inflation.

Which radars cover Tomball?

The closest NEXRAD Doppler radar is KHGX (Houston, TX), about 54 miles 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 TomballView
KHGX
Houston, TX		54 mi southeast3,900 ftGood — most storms and steady rain or snow show clearly
KGRK
Central Texas, TX		114 mi west-northwest11,700 ftLimited — the beam overshoots the lowest part of storms
KLCH
Lake Charles, LA		144 mi east16,900 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 Tomball

Since 1950, NOAA has recorded 141 tornadoes within 25 miles of Tomball, 27 of them EF2/F2 or stronger. Most came in May and November. The strongest was an F3 on February 5, 1986, which passed about 6 miles southeast of town and caused 2 deaths. The most recent was an EF1 on November 24, 2025, which touched down about 10 miles south-southwest of town.

Hail: 268 reports of 1-inch or larger hail within 25 miles since 1955, 31 of them 2 inches or more; the largest was 4.75-inch hail on April 10, 2004.

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 Tomball'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.

Tomball radar FAQ

Where is the nearest weather radar to Tomball, TX?

KHGX (Houston, TX), about 54 miles southeast. KGRK (Central Texas, TX) is 114 miles away and also covers the area.

Does radar show snow in Tomball?

Yes. TALON colors snow blue, a rain–snow mix pink and freezing rain purple using NOAA's precipitation-type analysis. Over Tomball the lowest scan from KHGX is about 3,900 ft up.

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

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