Key Biscayne, FL Live Doppler Radar

Live radar for Key Biscayne, Miami-Dade County: every NWS radar combined, rain, snow and ice colors, flash-flood risk, storm tracks and official warnings.

What weather hits Key Biscayne?

Since 1996, the National Weather Service has logged damaging thunderstorm winds on 152 days in the Coastal Miami Dade County forecast zone and Miami-Dade County — the most common reported hazard around Key Biscayne, mostly in June and May. Next come flooding (81 days) and lightning casualties & damage (67 days).

HazardDays reportedMost recentWorst on record
Damaging thunderstorm winds152Jun 2026Mar 27, 2015 · 1 death
Flooding81Jun 2026Dec 4, 2015 · $1.0 million damage
Lightning casualties & damage67Jun 2026Aug 8, 2015 · 1 death
Coastal flooding56Oct 2025—
Flash flooding54Jun 2024Oct 15, 1999 · $300 million damage
Hurricanes & tropical storms11Oct 2024Sep 9, 2017 · 5 deaths · $245,000 damage
Wildfires11May 2026Mar 12, 2025 · $150,000 damage
Storm surge7Nov 2022—

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 Miami Dade County forecast zone and Miami-Dade County; damage is as reported, not adjusted for inflation.

Which radars cover Key Biscayne?

The closest NEXRAD Doppler radar is KAMX (Miami, FL), about 16 miles west-southwest. 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 Key BiscayneView
KAMX
Miami, FL
16 mi west-southwest900 ftExcellent — the lowest scan sees close to the ground
KBYX
Key West, FL
122 mi southwest13,100 ftLimited — the beam overshoots the lowest part of storms
KMLB
Melbourne, FL
170 mi north22,300 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 Key Biscayne

Since 1950, NOAA has recorded 164 tornadoes within 25 miles of Key Biscayne, 8 of them EF2/F2 or stronger. Most came in June and August. The strongest was an F3 on June 17, 1959, which passed about 7 miles west-northwest of town. The most recent was a tornado of unknown strength on February 18, 2024, which touched down about 22 miles west-northwest of town.

Hail: 115 reports of 1-inch or larger hail within 25 miles since 1955, 7 of them 2 inches or more; the largest was 4.00-inch hail on March 29, 1963.

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 Key Biscayne'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.

Key Biscayne radar FAQ

Where is the nearest weather radar to Key Biscayne, FL?

KAMX (Miami, FL), about 16 miles west-southwest. KBYX (Key West, FL) is 122 miles away and also covers the area.

Can radar see a tornado near Key Biscayne?

Radar can't see the tornado itself, but it shows the rotating storm and, once debris is lofted, a debris signature. Over Key Biscayne the lowest scan from KAMX is about 900 ft up — excellent — the lowest scan sees close to the ground.

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

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