Round Hill, VA Live Doppler Radar
Live radar for Round Hill, Loudoun County: every NWS radar combined, rain, snow and ice colors, flash-flood risk, storm tracks and official warnings.
What weather hits Round Hill?
Since 1996, the National Weather Service has logged damaging thunderstorm winds on 252 days in the Western Loudoun forecast zone and Loudoun County — the most common reported hazard around Round Hill, mostly in July and June. Next come flash flooding (48 days) and flooding (46 days).
| Hazard | Days reported | Most recent | Worst on record |
|---|---|---|---|
| Damaging thunderstorm winds | 252 | Jun 2026 | Jul 3, 2011 · 1 death |
| Flash flooding | 48 | Jun 2025 | Jan 19, 1996 · $1.0 million damage |
| Flooding | 46 | Dec 2023 | — |
| Heavy snow & winter storms | 17 | Jan 2026 | — |
| Lightning casualties & damage | 17 | Jun 2022 | Jun 22, 2022 · $336,000 damage |
| Excessive heat | 12 | Jul 2023 | — |
| Extreme cold & wind chill | 8 | Feb 2026 | — |
| High winds | 5 | Feb 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 Western Loudoun forecast zone and Loudoun County; damage is as reported, not adjusted for inflation.
Which radars cover Round Hill?
The closest NEXRAD Doppler radar is KLWX (Sterling, MD), about 18 miles southeast. 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 Round Hill | View |
|---|---|---|---|
| KLWX Sterling, MD | 18 mi southeast | 1,000 ft | Excellent — the lowest scan sees close to the ground |
| KCCX State College, PA | 124 mi north | 13,500 ft | Limited — the beam overshoots the lowest part of storms |
| KDOX Dover AFB, DE | 127 mi east | 13,900 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 Round Hill
Since 1950, NOAA has recorded 94 tornadoes within 25 miles of Round Hill, 14 of them EF2/F2 or stronger. Most came in June and September. The strongest was an F2 on September 17, 2004, which touched down about 22 miles northwest of town. The most recent was an EF1 on August 8, 2024, which passed about 8 miles southwest of town.
Hail: 350 reports of 1-inch or larger hail within 25 miles since 1955, 17 of them 2 inches or more; the largest was 5.00-inch hail on July 2, 1968.
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 Round Hill'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.
Round Hill radar FAQ
Where is the nearest weather radar to Round Hill, VA?
KLWX (Sterling, MD), about 18 miles southeast. KCCX (State College, PA) is 124 miles away and also covers the area.
Does radar show snow in Round Hill?
Yes. TALON colors snow blue, a rain–snow mix pink and freezing rain purple using NOAA's precipitation-type analysis. Over Round Hill the lowest scan from KLWX is about 1,000 ft up.
Is TALON's radar for Round Hill 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 Round Hill, follow it right away — see watch vs. warning.
Radar for nearby towns
- Purcellville, VA radar 3 mi
- Leesburg, VA radar 11 mi
- Berryville, VA radar 11 mi
- Lovettsville, VA radar 12 mi
- Winchester, VA radar 22 mi
- Haymarket, VA radar 23 mi
- Herndon, VA radar 23 mi
- Stephens City, VA radar 24 mi
- Front Royal, VA radar 27 mi
- Middletown, VA radar 28 mi