Grayson, GA Live Doppler Radar

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

What weather hits Grayson?

Since 1996, the National Weather Service has logged damaging thunderstorm winds on 178 days in the Gwinnett forecast zone and Gwinnett County — the most common reported hazard around Grayson, mostly in July and June. Next come lightning casualties & damage (95 days) and flash flooding (25 days).

HazardDays reportedMost recentWorst on record
Damaging thunderstorm winds178Jul 2025Feb 26, 2008 · $1.0 million damage
Lightning casualties & damage95Jul 2022Jun 27, 2004 · 3 deaths · $50,000 damage
Flash flooding25Aug 2023Sep 21, 2009 · 1 death · $630,000 damage
Heavy snow & winter storms18Jan 2026Jan 28, 2005 · $350,000 damage
Hurricanes & tropical storms17Sep 2024Oct 28, 2020 · 2 deaths
Extreme cold & wind chill13Jan 2003—
Flooding11Oct 2009Sep 21, 2009 · $13 million damage
Excessive heat11Jul 2012—

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 Gwinnett forecast zone and Gwinnett County; damage is as reported, not adjusted for inflation.

Which radars cover Grayson?

The closest NEXRAD Doppler radar is KFFC (Atlanta, GA), about 51 miles 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 GraysonView
KFFC
Atlanta, GA
51 mi southwest3,600 ftGood — most storms and steady rain or snow show clearly
KJGX
Robins AFB, GA
91 mi south-southeast8,300 ftFair — the beam can pass over shallow snow and low-level rotation
KGSP
Greer, SC
121 mi northeast12,800 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 Grayson

Since 1950, NOAA has recorded 76 tornadoes within 25 miles of Grayson, 20 of them EF2/F2 or stronger. Most came in May and June. The strongest was an F3 on March 24, 1975, which passed about 21 miles west of town and caused 3 deaths. The most recent was an EF0 on May 3, 2025, which touched down about 24 miles south of town.

Hail: 398 reports of 1-inch or larger hail within 25 miles since 1955, 19 of them 2 inches or more; the largest was 3.00-inch hail on February 18, 2009.

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 Grayson'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.

Grayson radar FAQ

Where is the nearest weather radar to Grayson, GA?

KFFC (Atlanta, GA), about 51 miles southwest. KJGX (Robins AFB, GA) is 91 miles away and also covers the area.

Does radar show snow in Grayson?

Yes. TALON colors snow blue, a rain–snow mix pink and freezing rain purple using NOAA's precipitation-type analysis. Over Grayson the lowest scan from KFFC is about 3,600 ft up.

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

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