Durham, CT Live Doppler Radar

Live radar for Durham, Middlesex County: every NWS radar combined, rain, snow and ice colors, flash-flood risk, storm tracks and official warnings.

What weather hits Durham?

Since 1996, the National Weather Service has logged heavy snow or a winter storm on 65 days in the Northern Middlesex forecast zone and Middlesex County — the most common reported hazard around Durham, mostly in January and February. Next come damaging thunderstorm winds (63 days) and flash flooding (19 days).

HazardDays reportedMost recentWorst on record
Heavy snow & winter storms65Feb 2026Jan 19, 2019 · 1 death
Damaging thunderstorm winds63Jun 2026Jul 21, 2010 · $75,000 damage
Flash flooding19Jul 2023Jul 8, 2011 · $250,000 damage
High winds16Dec 2025Oct 29, 2012 · $200,000 damage
Lightning casualties & damage14Jun 2024May 10, 2000 · 1 death
Flooding12Mar 2010Mar 30, 2010 · $315,000 damage
Excessive heat8Jul 2019—
Blizzards5Feb 2017—

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 Middlesex forecast zone and Middlesex County; damage is as reported, not adjusted for inflation.

Which radars cover Durham?

The closest NEXRAD Doppler radar is KOKX (Upton, NY), about 43 miles south-southwest. 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 DurhamView
KOKX
Upton, NY
43 mi south-southwest2,900 ftExcellent — the lowest scan sees close to the ground
KBOX
Boston, MA
87 mi east-northeast7,700 ftFair — the beam can pass over shallow snow and low-level rotation
KENX
Albany, NY
105 mi northwest10,300 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 Durham

Since 1950, NOAA has recorded 43 tornadoes within 25 miles of Durham, 13 of them EF2/F2 or stronger. Most came in July and August. The strongest was an F4 on July 10, 1989, which passed about 13 miles west-southwest of town. The most recent was an EF0 on November 13, 2021, which passed about 11 miles west-northwest of town.

Hail: 114 reports of 1-inch or larger hail within 25 miles since 1955, 8 of them 2 inches or more; the largest was 2.75-inch hail on June 20, 1995.

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 Durham'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.

Durham radar FAQ

Where is the nearest weather radar to Durham, CT?

KOKX (Upton, NY), about 43 miles south-southwest. KBOX (Boston, MA) is 87 miles away and also covers the area.

Does radar show snow in Durham?

Yes. TALON colors snow blue, a rain–snow mix pink and freezing rain purple using NOAA's precipitation-type analysis. Over Durham the lowest scan from KOKX is about 2,900 ft up.

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

Radar for nearby towns

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