Lucas Valley-Marinwood, CA Live Doppler Radar

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

Open live radar for Lucas Valley-Marinwood What TALON shows

What weather hits Lucas Valley-Marinwood?

Since 1996, the National Weather Service has logged river or areal flooding on 60 days in the Marin Coastal Range forecast zone and Marin County — the most common reported hazard around Lucas Valley-Marinwood, mostly in January and February. Next come debris flows (16 days) and flash flooding (15 days).

Hazard	Days reported	Most recent	Worst on record
Flooding	60	Dec 2025	Jan 1, 2006 · $108 million damage
Debris flows	16	Jan 2021	Dec 11, 2014 · $1.0 million damage
Flash flooding	15	Feb 2017	Dec 11, 2014 · $4.0 million damage
High winds	12	Jan 2026	—
Damaging thunderstorm winds	4	Dec 2025	—
Lightning casualties & damage	2	Dec 2019	Sep 12, 2009 · $30,000 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 Marin Coastal Range forecast zone and Marin County; damage is as reported, not adjusted for inflation.

Which radars cover Lucas Valley-Marinwood?

The closest NEXRAD Doppler radar is KDAX (Sacramento, CA), about 58 miles east-northeast. 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.

Radar	Distance	Lowest beam over Lucas Valley-Marinwood	View
KDAX Sacramento, CA	58 mi east-northeast	4,400 ft	Good — most storms and steady rain or snow show clearly
KMUX San Francisco, CA	72 mi south-southeast	5,900 ft	Good — most storms and steady rain or snow show clearly
KBBX Beale AFB, CA	113 mi north-northeast	11,500 ft	Limited — 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 Lucas Valley-Marinwood

Since 1950, NOAA has recorded 2 tornadoes within 25 miles of Lucas Valley-Marinwood. The strongest was an F1 on December 23, 1996, which passed about 20 miles northwest of town. The most recent was an F0 on December 5, 1998, which touched down about 14 miles east-southeast of town.

Hail: 2 reports of 1-inch or larger hail within 25 miles since 1955; the largest was 1.75-inch hail on August 19, 1983.

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 Lucas Valley-Marinwood'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.

Lucas Valley-Marinwood radar FAQ

Where is the nearest weather radar to Lucas Valley-Marinwood, CA?

KDAX (Sacramento, CA), about 58 miles east-northeast. KMUX (San Francisco, CA) is 72 miles away and also covers the area.

How often does Lucas Valley-Marinwood flood?

Since 1996 the National Weather Service has logged river or areal flooding on 60 days in the Marin Coastal Range 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 Lucas Valley-Marinwood 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 Lucas Valley-Marinwood, follow it right away — see watch vs. warning.

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