Walnut Grove, TN Live Doppler Radar

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

Open live radar for Walnut GroveWhat TALON shows

What weather hits Walnut Grove?

Since 1996, the National Weather Service has logged dangerous heat on 85 days in the Hardin forecast zone and Hardin County — the most common reported hazard around Walnut Grove, mostly in July and June. Next come damaging thunderstorm winds (84 days) and flash flooding (26 days).

HazardDays reportedMost recentWorst on record
Excessive heat85Jun 2026—
Damaging thunderstorm winds84Jun 2025Jul 4, 2018 · 1 death · $20,000 damage
Flash flooding26Jun 2026May 2, 2010 · $2.0 million damage
Heavy snow & winter storms22Jan 2025Jan 15, 1998 · $25,000 damage
Extreme cold & wind chill8Feb 2026Jan 27, 2026 · 2 deaths
Flooding8Sep 2020May 12, 2003 · $200,000 damage
Ice storms & sleet2Jan 2013Dec 23, 1998 · $1,000 damage
High winds2Mar 2023Jan 29, 2008 · $10,000 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 Hardin forecast zone and Hardin County; damage is as reported, not adjusted for inflation.

Which radars cover Walnut Grove?

The closest NEXRAD Doppler radar is KGWX (Columbus AFB, MS), about 81 miles south. 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 Walnut GroveView
KGWX
Columbus AFB, MS		81 mi south7,000 ftFair — the beam can pass over shallow snow and low-level rotation
KNQA
Memphis, TN		104 mi west-northwest10,200 ftLimited — the beam overshoots the lowest part of storms
KHTX
Huntsville, AL		112 mi east11,500 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 Walnut Grove

Since 1950, NOAA has recorded 72 tornadoes within 25 miles of Walnut Grove, 30 of them EF2/F2 or stronger. Most came in March and April. The strongest was an F5 on April 16, 1998, which passed about 12 miles north-northeast of town and caused 3 deaths. The most recent was an EF1 on May 20, 2025, which touched down about 10 miles south-southeast of town.

Hail: 144 reports of 1-inch or larger hail within 25 miles since 1955, 10 of them 2 inches or more; the largest was 3.00-inch hail on March 2, 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 Walnut Grove'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.

Walnut Grove radar FAQ

Where is the nearest weather radar to Walnut Grove, TN?

KGWX (Columbus AFB, MS), about 81 miles south. KNQA (Memphis, TN) is 104 miles away and also covers the area.

Does radar show snow in Walnut Grove?

Yes. TALON colors snow blue, a rain–snow mix pink and freezing rain purple using NOAA's precipitation-type analysis. Over Walnut Grove the lowest scan from KGWX is about 7,000 ft up, so light snow from shallow clouds can be under-shown — check NWS winter alerts too.

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

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