Sunnyvale, TX Live Doppler Radar

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

What weather hits Sunnyvale?

Since 1996, the National Weather Service has logged damaging thunderstorm winds on 197 days in the Dallas forecast zone and Dallas County — the most common reported hazard around Sunnyvale, mostly in June and May. Next come flash flooding (152 days) and excessive heat (79 days).

HazardDays reportedMost recentWorst on record
Damaging thunderstorm winds197Jun 2026Jul 7, 2012 · 2 deaths · $10,000 damage
Flash flooding152Jun 2026Mar 19, 2006 · 1 death · $300,000 damage
Excessive heat79Jun 2026Jul 1, 1998 · 23 deaths
Lightning casualties & damage34Nov 2025Jun 28, 2020 · 1 death
Heavy snow & winter storms26Jan 2026Dec 5, 2013 · 3 deaths · $2.0 million damage
Flooding20Aug 2022Nov 27, 2015 · 1 death · $50,000 damage
Extreme cold & wind chill14Jan 2026Feb 14, 2021 · 10 deaths · $6.3 million damage
High winds8May 2026Feb 24, 2007 · $225,000 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 Dallas forecast zone and Dallas County; damage is as reported, not adjusted for inflation.

Which radars cover Sunnyvale?

The closest NEXRAD Doppler radar is KFWS (Dallas/Fort Worth, TX), about 46 miles west-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.

RadarDistanceLowest beam over SunnyvaleView
KFWS
Dallas/Fort Worth, TX
46 mi west-southwest3,200 ftGood — most storms and steady rain or snow show clearly
KGRK
Central Texas, TX
152 mi south-southwest18,500 ftLimited — the beam overshoots the lowest part of storms
KDYX
Dyess AFB, TX
158 mi west19,700 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 Sunnyvale

Since 1950, NOAA has recorded 159 tornadoes within 25 miles of Sunnyvale, 39 of them EF2/F2 or stronger. Most came in April and May. The strongest was an EF4 on December 26, 2015, which passed about 2 miles west-northwest of town and caused 10 deaths. The most recent was an EF1 on March 4, 2025, which touched down about 23 miles west of town.

Hail: 908 reports of 1-inch or larger hail within 25 miles since 1955, 160 of them 2 inches or more; the largest was 5.25-inch hail on April 11, 2016.

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 Sunnyvale'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.

Sunnyvale radar FAQ

Where is the nearest weather radar to Sunnyvale, TX?

KFWS (Dallas/Fort Worth, TX), about 46 miles west-southwest. KGRK (Central Texas, TX) is 152 miles away and also covers the area.

Does radar show snow in Sunnyvale?

Yes. TALON colors snow blue, a rain–snow mix pink and freezing rain purple using NOAA's precipitation-type analysis. Over Sunnyvale the lowest scan from KFWS is about 3,200 ft up.

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

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