Big River, CA Live Doppler Radar

Live radar for Big River, San Bernardino County: every NWS radar combined, rain, snow and ice colors, flash-flood risk, storm tracks and official warnings.

What weather hits Big River?

Since 1996, the National Weather Service has logged flash flooding on 340 days in the San Bernardino County-Upper Colorado River Valley forecast zone and San Bernardino County — the most common reported hazard around Big River, mostly in August and July. Next come damaging thunderstorm winds (129 days) and flooding (106 days).

HazardDays reportedMost recentWorst on record
Flash flooding340Feb 2026Aug 26, 2003 · 3 deaths · $50,000 damage
Damaging thunderstorm winds129Feb 2026Jun 3, 2009 · 1 death · $20,000 damage
Flooding106Feb 2026Dec 19, 2010 · 1 death
Wildfires79Jun 2024Oct 25, 2003 · 4 deaths · $696 million damage
Lightning casualties & damage58Sep 2024Jun 3, 2009 · 1 death · $1,000 damage
Excessive heat46Aug 2025—
Debris flows39Aug 2025Sep 12, 2022 · 1 death · $6.0 million damage
High winds4Feb 2024—

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 San Bernardino County-Upper Colorado River Valley forecast zone and San Bernardino County; damage is as reported, not adjusted for inflation.

Which radars cover Big River?

The closest NEXRAD Doppler radar is KESX (Las Vegas, NV), about 112 miles north-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 Big RiverView
KESX
Las Vegas, NV
112 mi north-northwest11,400 ftLimited — the beam overshoots the lowest part of storms
KYUX
Yuma, AZ
115 mi south11,900 ftLimited — the beam overshoots the lowest part of storms
KIWA
Phoenix, AZ
166 mi east-southeast21,300 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 Big River

Since 1950, NOAA has recorded 1 tornado within 25 miles of Big River. The strongest was an F1 on September 18, 1972, which touched down about 13 miles northeast of town.

Hail: 3 reports of 1-inch or larger hail within 25 miles since 1955; the largest was 1.75-inch hail on October 23, 1992.

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 Big River'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.

Big River radar FAQ

Where is the nearest weather radar to Big River, CA?

KESX (Las Vegas, NV), about 112 miles north-northwest. KYUX (Yuma, AZ) is 115 miles away and also covers the area.

How often does Big River flood?

Since 1996 the National Weather Service has logged flash flooding on 340 days in the San Bernardino County-Upper Colorado River Valley forecast zone and San Bernardino County; the deadliest was on August 26, 2003, with 3 deaths. 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 Big River 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 Big River, follow it right away — see watch vs. warning.

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