Joanna, SC Live Doppler Radar
Live radar for Joanna, Laurens County: every NWS radar combined, rain, snow and ice colors, flash-flood risk, storm tracks and official warnings.
What weather hits Joanna?
Since 1996, the National Weather Service has logged damaging thunderstorm winds on 206 days in the Laurens forecast zone and Laurens County — the most common reported hazard around Joanna, mostly in June and July. Next come flash flooding (18 days) and heavy snow & winter storms (17 days).
| Hazard | Days reported | Most recent | Worst on record |
|---|---|---|---|
| Damaging thunderstorm winds | 206 | May 2026 | Jun 16, 2009 · 1 death · $1.2 million damage |
| Flash flooding | 18 | May 2026 | Jul 23, 1997 · $150,000 damage |
| Heavy snow & winter storms | 17 | Jan 2026 | Feb 26, 2004 · $5,000 damage |
| Flooding | 14 | Sep 2024 | Sep 27, 2024 · $10,000 damage |
| High winds | 8 | Sep 2017 | Mar 7, 2004 · 1 death · $10,000 damage |
| Ice storms & sleet | 8 | Feb 2015 | Dec 4, 2002 · $6.0 million damage |
| Extreme cold & wind chill | 7 | Feb 2026 | Dec 29, 2000 · 1 death |
| Lightning casualties & damage | 6 | Jul 2013 | Aug 30, 2006 · $500,000 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 Laurens forecast zone and Laurens County; damage is as reported, not adjusted for inflation.
How much snow does Joanna get?
A normal year brings about 1.3 inches of snow to Joanna, based on NOAA's 1991–2020 climate normals for the Laurens weather station 13.9 miles away. The snowiest month is usually January (0.5 in).
| Oct | Nov | Dec | Jan | Feb | Mar | Apr | May |
|---|---|---|---|---|---|---|---|
| 0.0 | 0.0 | 0.2 | 0.5 | 0.4 | 0.2 | 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 Joanna?
The closest NEXRAD Doppler radar is KGSP (Greer, SC), about 40 miles 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.
| Radar | Distance | Lowest beam over Joanna | View |
|---|---|---|---|
| KGSP Greer, SC | 40 mi northwest | 2,700 ft | Excellent — the lowest scan sees close to the ground |
| KCAE Columbia, SC | 51 mi southeast | 3,600 ft | Good — most storms and steady rain or snow show clearly |
| KCLX Charleston, SC | 129 mi south-southeast | 14,300 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 Joanna
Since 1950, NOAA has recorded 87 tornadoes within 25 miles of Joanna, 21 of them EF2/F2 or stronger. Most came in April and March. The strongest was an F4 on December 13, 1973, which touched down about 21 miles southwest of town and caused 2 deaths. The most recent was an EF0 on December 29, 2024, which touched down about 17 miles north of town.
Hail: 159 reports of 1-inch or larger hail within 25 miles since 1955, 9 of them 2 inches or more; the largest was 3.00-inch hail on May 23, 2014.
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 Joanna'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.
Joanna radar FAQ
Where is the nearest weather radar to Joanna, SC?
KGSP (Greer, SC), about 40 miles northwest. KCAE (Columbia, SC) is 51 miles away and also covers the area.
Does radar show snow in Joanna?
Yes. TALON colors snow blue, a rain–snow mix pink and freezing rain purple using NOAA's precipitation-type analysis. Over Joanna the lowest scan from KGSP is about 2,700 ft up.
Is TALON's radar for Joanna 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 Joanna, follow it right away — see watch vs. warning.
Radar for nearby towns
- Clinton, SC radar 5 mi
- Whitmire, SC radar 12 mi
- Laurens, SC radar 14 mi
- Newberry, SC radar 15 mi
- Prosperity, SC radar 21 mi
- Ninety Six, SC radar 21 mi
- Union, SC radar 24 mi
- Greenwood, SC radar 25 mi
- Ware Shoals, SC radar 25 mi
- Woodruff, SC radar 26 mi