Gilroy, CA Live Doppler Radar

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

What weather hits Gilroy?

Since 1996, the National Weather Service has logged river or areal flooding on 61 days in the Santa Clara Valley Including San Jose forecast zone and Santa Clara County — the most common reported hazard around Gilroy, mostly in January and February. Next come excessive heat (16 days) and debris flows (14 days).

HazardDays reportedMost recentWorst on record
Flooding61Jan 2026Dec 31, 2022 · 1 death
Excessive heat16Mar 2026Jul 7, 2024 · 8 deaths
Debris flows14Jan 2021—
Flash flooding13Feb 2017Jan 4, 2017 · $10,000 damage
High winds9Feb 2024Oct 27, 2009 · $500,000 damage
Extreme cold & wind chill7Dec 2025Dec 13, 2022 · 4 deaths
Damaging thunderstorm winds5Dec 2025Feb 4, 2024 · $10 damage
Wildfires3Jul 2020—

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 Santa Clara Valley Including San Jose forecast zone and Santa Clara County; damage is as reported, not adjusted for inflation.

Which radars cover Gilroy?

The closest NEXRAD Doppler radar is KMUX (San Francisco, CA), about 20 miles west-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 GilroyView
KMUX
San Francisco, CA
20 mi west-northwest1,100 ftExcellent — the lowest scan sees close to the ground
KDAX
Sacramento, CA
103 mi north10,100 ftLimited — the beam overshoots the lowest part of storms
KHNX
San Joaquin Valley, CA
118 mi east-southeast12,500 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 Gilroy

Since 1950, NOAA has recorded 12 tornadoes within 25 miles of Gilroy, 1 of them EF2/F2 or stronger. Most came in December and April. The strongest was an F2 on March 11, 1985, which touched down about 15 miles southeast of town. The most recent was an EF1 on December 14, 2024, which touched down about 25 miles west of town.

Hail: 5 reports of 1-inch or larger hail within 25 miles since 1955; the largest was 1.75-inch hail on April 1, 1965.

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 Gilroy'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.

Gilroy radar FAQ

Where is the nearest weather radar to Gilroy, CA?

KMUX (San Francisco, CA), about 20 miles west-northwest. KDAX (Sacramento, CA) is 103 miles away and also covers the area.

How often does Gilroy flood?

Since 1996 the National Weather Service has logged river or areal flooding on 61 days in the Santa Clara Valley Including San Jose forecast zone and Santa Clara County; the deadliest was on December 31, 2022, with 1 death. TALON's free flash-flood risk layer shows, every 2 minutes, how close the rain that has fallen is to what it takes to flood — turn it on under Layers.

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

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