Walnut Grove, TN Live Doppler Radar
Live radar for Walnut Grove, Sumner County: every NWS radar combined, rain, snow and ice colors, flash-flood risk, storm tracks and official warnings.
What weather hits Walnut Grove?
Since 1996, the National Weather Service has logged damaging thunderstorm winds on 210 days in the Sumner forecast zone and Sumner County — the most common reported hazard around Walnut Grove, mostly in June and May. Next come flash flooding (61 days) and heavy snow & winter storms (26 days).
| Hazard | Days reported | Most recent | Worst on record |
|---|---|---|---|
| Damaging thunderstorm winds | 210 | Apr 2026 | May 21, 2013 · $250,000 damage |
| Flash flooding | 61 | Jun 2026 | Dec 29, 2019 · 1 death |
| Heavy snow & winter storms | 26 | Jan 2026 | Feb 20, 2015 · $500,000 damage |
| Lightning casualties & damage | 11 | Aug 2018 | Jul 1, 2015 · $300,000 damage |
| Flooding | 8 | Oct 2018 | May 2, 2010 · $7,000 damage |
| Ice storms & sleet | 5 | Feb 2023 | Dec 1, 2011 · 2 deaths · $500,000 damage |
| High winds | 4 | Mar 2023 | Mar 3, 2023 · 2 deaths · $7.0 million damage |
| Excessive heat | 4 | Jul 2025 | — |
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 Sumner forecast zone and Sumner County; damage is as reported, not adjusted for inflation.
How much snow does Walnut Grove get?
A normal year brings about 2.0 inches of snow to Walnut Grove, based on NOAA's 1991–2020 climate normals for the Portland Sewage Plt weather station 8.1 miles away. The snowiest month is usually February (1.5 in).
| Oct | Nov | Dec | Jan | Feb | Mar | Apr | May |
|---|---|---|---|---|---|---|---|
| 0.0 | 0.0 | 0.0 | 0.2 | 1.5 | 0.3 | 0.0 | 0.0 |
Normal snowfall in inches. TALON Pro compares this season's snow at your location with these normals as winter goes on.
Which radars cover Walnut Grove?
The closest NEXRAD Doppler radar is KOHX (Nashville, TN), about 17 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.
| Radar | Distance | Lowest beam over Walnut Grove | View |
|---|---|---|---|
| KOHX Nashville, TN | 17 mi south | 900 ft | Excellent — the lowest scan sees close to the ground |
| KHPX Fort Campbell, KY | 41 mi west-northwest | 2,800 ft | Excellent — the lowest scan sees close to the ground |
| KLVX Louisville, KY | 109 mi north-northeast | 11,000 ft | Limited — 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 143 tornadoes within 25 miles of Walnut Grove, 41 of them EF2/F2 or stronger. Most came in May and April. The strongest was an F4 on April 27, 1970, which passed about 2 miles north of town and caused 3 deaths. The most recent was an EF1 on February 15, 2025, which passed about 15 miles north-northwest of town.
Hail: 280 reports of 1-inch or larger hail within 25 miles since 1955, 18 of them 2 inches or more; the largest was 4.50-inch hail on June 4, 1985.
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?
KOHX (Nashville, TN), about 17 miles south. KHPX (Fort Campbell, KY) is 41 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 KOHX is about 900 ft up.
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.
Radar for nearby towns
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- Ridgetop, TN radar 11 mi
- Greenbrier, TN radar 11 mi
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