Tamalpais-Homestead Valley, CA Live Doppler Radar

Live radar for Tamalpais-Homestead Valley, Marin County: every NWS radar combined, rain, snow and ice colors, flash-flood risk, storm tracks and official warnings.

Open live radar for Tamalpais-Homestead ValleyWhat TALON shows

What weather hits Tamalpais-Homestead Valley?

Since 1996, the National Weather Service has logged river or areal flooding on 60 days in the Coastal North Bay Including Point Reyes National Seashore forecast zone and Marin County — the most common reported hazard around Tamalpais-Homestead Valley, mostly in January and February. Next come high winds (24 days) and debris flows (19 days).

HazardDays reportedMost recentWorst on record
Flooding60Dec 2025Jan 1, 2006 · $108 million damage
High winds24May 2026Dec 27, 2006 · 1 death
Debris flows19Jan 2021Dec 11, 2014 · $1.0 million damage
Flash flooding15Feb 2017Dec 11, 2014 · $4.0 million damage
Coastal flooding11Jan 2026Dec 31, 2005 · $340,000 damage
Damaging thunderstorm winds4Dec 2025—
Storm surge3Nov 2011Feb 16, 2011 · $10,000 damage
Wildfires3Sep 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 Coastal North Bay Including Point Reyes National Seashore forecast zone and Marin County; damage is as reported, not adjusted for inflation.

Which radars cover Tamalpais-Homestead Valley?

The closest NEXRAD Doppler radar is KMUX (San Francisco, CA), about 61 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 Tamalpais-Homestead ValleyView
KMUX
San Francisco, CA		61 mi southeast4,700 ftGood — most storms and steady rain or snow show clearly
KDAX
Sacramento, CA		63 mi northeast4,900 ftGood — most storms and steady rain or snow show clearly
KBBX
Beale AFB, CA		122 mi north-northeast13,100 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 Tamalpais-Homestead Valley

Since 1950, NOAA has recorded 5 tornadoes within 25 miles of Tamalpais-Homestead Valley. Most came in March and December. The strongest was an F1 on March 20, 2005, which passed about 17 miles south-southeast of town.

Hail: 1 report of 1-inch or larger hail within 25 miles since 1955; the largest was 1.00-inch hail on March 4, 1996.

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 Tamalpais-Homestead Valley'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.

Tamalpais-Homestead Valley radar FAQ

Where is the nearest weather radar to Tamalpais-Homestead Valley, CA?

KMUX (San Francisco, CA), about 61 miles southeast. KDAX (Sacramento, CA) is 63 miles away and also covers the area.

How often does Tamalpais-Homestead Valley flood?

Since 1996 the National Weather Service has logged river or areal flooding on 60 days in the Coastal North Bay Including Point Reyes National Seashore forecast zone and Marin County. 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 Tamalpais-Homestead Valley 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 Tamalpais-Homestead Valley, follow it right away — see watch vs. warning.

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