Penngrove, CA Live Doppler Radar

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

Open live radar for PenngroveWhat TALON shows

What weather hits Penngrove?

Since 1996, the National Weather Service has logged river or areal flooding on 77 days in the North Bay Interior Valleys forecast zone and Sonoma County — the most common reported hazard around Penngrove, mostly in February and January. Next come debris flows (29 days) and flash flooding (28 days).

HazardDays reportedMost recentWorst on record
Flooding77Jan 2026Feb 4, 2025 · 1 death
Debris flows29Feb 2025Apr 1, 2006 · 1 death · $34 million damage
Flash flooding28Jan 2019Dec 31, 1996 · 1 death
Excessive heat19Mar 2026Jul 21, 2006 · 1 death
Coastal flooding16Jan 2026—
High winds12Mar 2023Mar 19, 2011 · 1 death · $35,000 damage
Wildfires6Jun 2024Jun 16, 2024 · $10 damage
Lightning casualties & damage3Aug 2020Jan 25, 2001 · $1.0 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 North Bay Interior Valleys forecast zone and Sonoma County; damage is as reported, not adjusted for inflation.

Which radars cover Penngrove?

The closest NEXRAD Doppler radar is KDAX (Sacramento, CA), about 56 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.

RadarDistanceLowest beam over PenngroveView
KDAX
Sacramento, CA		56 mi east-northeast4,100 ftGood — most storms and steady rain or snow show clearly
KMUX
San Francisco, CA		90 mi south-southeast8,200 ftFair — the beam can pass over shallow snow and low-level rotation
KBBX
Beale AFB, CA		100 mi north-northeast9,600 ftFair — the beam can pass over shallow snow and low-level rotation

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 Penngrove

Since 1950, NOAA has recorded 11 tornadoes within 25 miles of Penngrove, 1 of them EF2/F2 or stronger. Most came in December and February. The strongest was an F2 on June 1, 1958, which passed about 8 miles north-northwest of town. The most recent was an EF1 on March 18, 2011, which touched down about 11 miles north 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 Penngrove'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.

Penngrove radar FAQ

Where is the nearest weather radar to Penngrove, CA?

KDAX (Sacramento, CA), about 56 miles east-northeast. KMUX (San Francisco, CA) is 90 miles away and also covers the area.

How often does Penngrove flood?

Since 1996 the National Weather Service has logged river or areal flooding on 77 days in the North Bay Interior Valleys forecast zone and Sonoma County; the deadliest was on February 4, 2025, 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 Penngrove 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 Penngrove, follow it right away — see watch vs. warning.

Radar for nearby towns

All California towns →