Cosby, TN Live Doppler Radar

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

Open live radar for CosbyWhat TALON shows

What weather hits Cosby?

Since 1996, the National Weather Service has logged damaging thunderstorm winds on 128 days in the Cocke Smoky Mountains forecast zone and Cocke County — the most common reported hazard around Cosby, mostly in June and May. Next come heavy snow & winter storms (63 days) and high winds (28 days).

HazardDays reportedMost recentWorst on record
Damaging thunderstorm winds128Mar 2026Jul 4, 1997 · $75,000 damage
Heavy snow & winter storms63Jan 2026Jan 27, 1998 · 1 death
High winds28Mar 2025Feb 1, 2011 · $40,000 damage
Flash flooding18May 2026Jun 18, 2025 · $500,000 damage
Flooding12Apr 2025Sep 27, 2024 · 2 deaths
Ice storms & sleet2Jan 2005—
Lightning casualties & damage2May 2004—

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 Cocke Smoky Mountains forecast zone and Cocke County; damage is as reported, not adjusted for inflation.

How much snow does Cosby get?

A normal year brings about 5.6 inches of snow to Cosby, based on NOAA's 1991–2020 climate normals for the Waterville 2 weather station 8.3 miles away. The snowiest month is usually January (1.9 in).

OctNovDecJanFebMarAprMay
0.00.10.81.91.31.50.00.0

Normal snowfall in inches. TALON Pro compares this season's snow at your location with these normals as winter goes on.

Which radars cover Cosby?

The closest NEXRAD Doppler radar is KMRX (Knoxville, TN), about 27 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 CosbyView
KMRX
Knoxville, TN		27 mi north-northwest1,600 ftExcellent — the lowest scan sees close to the ground
KGSP
Greer, SC		86 mi southeast7,600 ftFair — the beam can pass over shallow snow and low-level rotation
KJKL
Jackson, KY		124 mi north13,400 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 Cosby

Since 1950, NOAA has recorded 21 tornadoes within 25 miles of Cosby, 2 of them EF2/F2 or stronger. Most came in April and March. The strongest was an F2 on March 11, 1963, which passed about 16 miles north-northeast of town and caused 1 death. The most recent was an EF0 on January 12, 2023, which touched down about 19 miles northwest of town.

Hail: 108 reports of 1-inch or larger hail within 25 miles since 1955, 5 of them 2 inches or more; the largest was 2.75-inch hail on April 26, 2012.

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 Cosby'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.

Cosby radar FAQ

Where is the nearest weather radar to Cosby, TN?

KMRX (Knoxville, TN), about 27 miles north-northwest. KGSP (Greer, SC) is 86 miles away and also covers the area.

Does radar show snow in Cosby?

Yes. TALON colors snow blue, a rain–snow mix pink and freezing rain purple using NOAA's precipitation-type analysis. Over Cosby the lowest scan from KMRX is about 1,600 ft up.

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

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