Great Falls Crossing, VA Live Doppler Radar

Live radar for Great Falls Crossing, Fairfax County: every NWS radar combined, rain, snow and ice colors, flash-flood risk, storm tracks and official warnings.

Open live radar for Great Falls CrossingWhat TALON shows

What weather hits Great Falls Crossing?

Since 1996, the National Weather Service has logged damaging thunderstorm winds on 244 days in the Fairfax forecast zone and Fairfax County — the most common reported hazard around Great Falls Crossing, mostly in July and June. Next come flooding (113 days) and flash flooding (86 days).

HazardDays reportedMost recentWorst on record
Damaging thunderstorm winds244Jun 2026May 16, 2025 · 1 death · $250,000 damage
Flooding113Mar 2026Jan 19, 1996 · $2.0 million damage
Flash flooding86Aug 2025Sep 8, 2011 · 1 death
Excessive heat62Jul 2024—
Heavy snow & winter storms50Jan 2026Jan 25, 2004 · 1 death
Extreme cold & wind chill17Feb 2026Jan 27, 2000 · 1 death
High winds16Feb 2025Oct 29, 2012 · $630,000 damage
Lightning casualties & damage15Jul 2008Apr 28, 2002 · $1.2 million 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 Fairfax forecast zone and Fairfax County; damage is as reported, not adjusted for inflation.

How much snow does Great Falls Crossing get?

A normal year brings about 19 inches of snow to Great Falls Crossing, based on NOAA's 1991–2020 climate normals for the Vienna weather station 6.4 miles away. The snowiest month is usually February (7.5 in).

OctNovDecJanFebMarAprMay
0.00.12.46.57.52.00.00.0

Normal snowfall in inches. TALON Pro compares this season's snow at your location with these normals as winter goes on.

Which radars cover Great Falls Crossing?

The closest NEXRAD Doppler radar is KLWX (Sterling, MD), about 9 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.

RadarDistanceLowest beam over Great Falls CrossingView
KLWX
Sterling, MD		9 mi west400 ftExcellent — the lowest scan sees close to the ground
KDOX
Dover AFB, DE		102 mi east9,900 ftFair — the beam can pass over shallow snow and low-level rotation
KCCX
State College, PA		139 mi north-northwest16,100 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 Great Falls Crossing

Since 1950, NOAA has recorded 100 tornadoes within 25 miles of Great Falls Crossing, 16 of them EF2/F2 or stronger. Most came in June and September. The strongest was an F3 on September 24, 2001, which passed about 19 miles east of town and caused 2 deaths. The most recent was an EF0 on June 5, 2024, which touched down about 18 miles northwest of town.

Hail: 504 reports of 1-inch or larger hail within 25 miles since 1955, 30 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 Great Falls Crossing'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.

Great Falls Crossing radar FAQ

Where is the nearest weather radar to Great Falls Crossing, VA?

KLWX (Sterling, MD), about 9 miles west. KDOX (Dover AFB, DE) is 102 miles away and also covers the area.

Does radar show snow in Great Falls Crossing?

Yes. TALON colors snow blue, a rain–snow mix pink and freezing rain purple using NOAA's precipitation-type analysis. Over Great Falls Crossing the lowest scan from KLWX is about 400 ft up.

Is TALON's radar for Great Falls Crossing 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 Great Falls Crossing, follow it right away — see watch vs. warning.

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