Jefferson Valley-Yorktown, NY Live Doppler Radar
Live radar for Jefferson Valley-Yorktown, Westchester County: every NWS radar combined, rain, snow and ice colors, flash-flood risk, storm tracks and official warnings.
What weather hits Jefferson Valley-Yorktown?
Since 1996, the National Weather Service has logged damaging thunderstorm winds on 151 days in the Northern Westchester forecast zone and Westchester County — the most common reported hazard around Jefferson Valley-Yorktown, mostly in July and August. Next come flash flooding (90 days) and heavy snow & winter storms (76 days).
| Hazard | Days reported | Most recent | Worst on record |
|---|---|---|---|
| Damaging thunderstorm winds | 151 | Jun 2026 | Jul 9, 1997 · 1 death |
| Flash flooding | 90 | Oct 2025 | Sep 1, 2021 · 2 deaths |
| Heavy snow & winter storms | 76 | Feb 2026 | — |
| High winds | 32 | Feb 2026 | Oct 29, 2012 · 2 deaths · $1.0 million damage |
| Flooding | 32 | Jun 2021 | Aug 28, 2011 · 1 death |
| Lightning casualties & damage | 16 | Jul 2024 | Sep 25, 1999 · 1 death |
| Excessive heat | 7 | Jul 2012 | — |
| Coastal flooding | 4 | Jan 2024 | Dec 6, 1996 · 1 death |
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 Northern Westchester forecast zone and Westchester County; damage is as reported, not adjusted for inflation.
How much snow does Jefferson Valley-Yorktown get?
A normal year brings about 40 inches of snow to Jefferson Valley-Yorktown, based on NOAA's 1991–2020 climate normals for the Yorktown Hts 1W weather station 3.6 miles away. The snowiest month is usually February (12.6 in).
| Oct | Nov | Dec | Jan | Feb | Mar | Apr | May |
|---|---|---|---|---|---|---|---|
| 0.0 | 0.5 | 7.6 | 8.8 | 12.6 | 8.2 | 1.8 | 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 Jefferson Valley-Yorktown?
The closest NEXRAD Doppler radar is KOKX (Upton, NY), about 58 miles east-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 Jefferson Valley-Yorktown | View |
|---|---|---|---|
| KOKX Upton, NY | 58 mi east-southeast | 4,300 ft | Good — most storms and steady rain or snow show clearly |
| KENX Albany, NY | 89 mi north | 8,000 ft | Fair — the beam can pass over shallow snow and low-level rotation |
| KDIX Philadelphia, NJ | 100 mi south-southwest | 9,600 ft | Fair — the beam can pass over shallow snow and low-level rotation |
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 Jefferson Valley-Yorktown
Since 1950, NOAA has recorded 40 tornadoes within 25 miles of Jefferson Valley-Yorktown, 8 of them EF2/F2 or stronger. Most came in July and May. The strongest was an F2 on July 12, 2006, which passed about 16 miles south-southeast of town. The most recent was an EF1 on October 2, 2018, which touched down about 13 miles west-southwest of town.
Hail: 164 reports of 1-inch or larger hail within 25 miles since 1955, 3 of them 2 inches or more; the largest was 3.00-inch hail on August 1, 2011.
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 Jefferson Valley-Yorktown'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.
Jefferson Valley-Yorktown radar FAQ
Where is the nearest weather radar to Jefferson Valley-Yorktown, NY?
KOKX (Upton, NY), about 58 miles east-southeast. KENX (Albany, NY) is 89 miles away and also covers the area.
Does radar show snow in Jefferson Valley-Yorktown?
Yes. TALON colors snow blue, a rain–snow mix pink and freezing rain purple using NOAA's precipitation-type analysis. Over Jefferson Valley-Yorktown the lowest scan from KOKX is about 4,300 ft up.
Is TALON's radar for Jefferson Valley-Yorktown 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 Jefferson Valley-Yorktown, follow it right away — see watch vs. warning.
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