Mercer, TN Live Doppler Radar
Live radar for Mercer, Madison County: every NWS radar combined, rain, snow and ice colors, flash-flood risk, storm tracks and official warnings.
What weather hits Mercer?
Since 1996, the National Weather Service has logged damaging thunderstorm winds on 103 days in the Madison forecast zone and Madison County — the most common reported hazard around Mercer, mostly in May and July. Next come excessive heat (94 days) and flash flooding (57 days).
| Hazard | Days reported | Most recent | Worst on record |
|---|---|---|---|
| Damaging thunderstorm winds | 103 | Apr 2026 | Apr 3, 1999 · $750,000 damage |
| Excessive heat | 94 | Jun 2026 | Jun 18, 2010 · 1 death |
| Flash flooding | 57 | Apr 2025 | May 1, 2010 · $11 million damage |
| Heavy snow & winter storms | 33 | Feb 2025 | Jan 14, 2024 · 1 death |
| Flooding | 16 | Mar 2021 | Mar 1, 1997 · 2 deaths · $3.0 million damage |
| Extreme cold & wind chill | 9 | Feb 2026 | Jan 2, 2010 · 1 death |
| Lightning casualties & damage | 9 | Jun 2012 | Jul 29, 2006 · 1 death · $75,000 damage |
| High winds | 4 | Mar 2023 | Mar 3, 2023 · $50,000 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 Madison forecast zone and Madison County; damage is as reported, not adjusted for inflation.
How much snow does Mercer get?
A normal year brings about 2.2 inches of snow to Mercer, based on NOAA's 1991–2020 climate normals for the Brownsville weather station 14.7 miles away. The snowiest month is usually January (0.8 in).
| Oct | Nov | Dec | Jan | Feb | Mar | Apr | May |
|---|---|---|---|---|---|---|---|
| 0.0 | 0.0 | 0.1 | 0.8 | 0.8 | 0.4 | 0.1 | 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 Mercer?
The closest NEXRAD Doppler radar is KNQA (Memphis, TN), about 48 miles west. 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 Mercer | View |
|---|---|---|---|
| KNQA Memphis, TN | 48 mi west | 3,300 ft | Good — most storms and steady rain or snow show clearly |
| KPAH Paducah, KY | 111 mi north | 11,300 ft | Limited — the beam overshoots the lowest part of storms |
| KGWX Columbus AFB, MS | 116 mi south-southeast | 12,100 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 Mercer
Since 1950, NOAA has recorded 86 tornadoes within 25 miles of Mercer, 32 of them EF2/F2 or stronger. Most came in April and May. The strongest was an F4 on March 21, 1952, which passed about 14 miles south-southeast of town and caused 38 deaths. The most recent was an EF0 on May 20, 2025, which touched down about 10 miles northeast of town.
Hail: 215 reports of 1-inch or larger hail within 25 miles since 1955, 13 of them 2 inches or more; the largest was 4.50-inch hail on April 24, 2010.
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 Mercer'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.
Mercer radar FAQ
Where is the nearest weather radar to Mercer, TN?
KNQA (Memphis, TN), about 48 miles west. KPAH (Paducah, KY) is 111 miles away and also covers the area.
Does radar show snow in Mercer?
Yes. TALON colors snow blue, a rain–snow mix pink and freezing rain purple using NOAA's precipitation-type analysis. Over Mercer the lowest scan from KNQA is about 3,300 ft up.
Is TALON's radar for Mercer 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 Mercer, follow it right away — see watch vs. warning.
Radar for nearby towns
- Whiteville, TN radar 12 mi
- Brownsville, TN radar 15 mi
- Bolivar, TN radar 15 mi
- Jackson, TN radar 17 mi
- Bells, TN radar 17 mi
- Henderson, TN radar 22 mi
- Alamo, TN radar 22 mi
- Three Way, TN radar 23 mi
- Somerville, TN radar 25 mi
- Humboldt, TN radar 26 mi