Nashua, NH Live Doppler Radar

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

What weather hits Nashua?

Since 1996, the National Weather Service has logged heavy snow or a winter storm on 126 days in the Eastern Hillsborough forecast zone and Hillsborough County — the most common reported hazard around Nashua, mostly in January and March. Next come damaging thunderstorm winds (113 days) and flooding (30 days).

HazardDays reportedMost recentWorst on record
Heavy snow & winter storms126Feb 2026Dec 7, 1996 · 1 death · $1.0 million damage
Damaging thunderstorm winds113Jun 2026Jul 6, 1999 · 1 death
Flooding30May 2025May 13, 2006 · $2.0 million damage
Flash flooding28Aug 2025Jul 18, 2021 · $1.0 million damage
Lightning casualties & damage22Sep 2014May 24, 2004 · $350,000 damage
High winds17Oct 2017Nov 29, 2003 · 2 deaths · $25,000 damage
Ice storms & sleet5Dec 2008Dec 11, 2008 · $15 million damage
Excessive heat4Jun 2024—

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

How much snow does Nashua get?

A normal year brings about 53 inches of snow to Nashua, based on NOAA's 1991–2020 climate normals for the Nashua 2 Nnw weather station 3 miles away. The snowiest month is usually January (14.7 in).

OctNovDecJanFebMarAprMay
0.01.711.214.714.510.10.70.0

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

Which radars cover Nashua?

The closest NEXRAD Doppler radar is KBOX (Boston, MA), about 58 miles south-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.

RadarDistanceLowest beam over NashuaView
KBOX
Boston, MA
58 mi south-southeast4,300 ftGood — most storms and steady rain or snow show clearly
KGYX
Portland, ME
100 mi northeast9,700 ftFair — the beam can pass over shallow snow and low-level rotation
KENX
Albany, NY
131 mi west14,700 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 Nashua

Since 1950, NOAA has recorded 46 tornadoes within 25 miles of Nashua, 14 of them EF2/F2 or stronger. Most came in July and August. The strongest was an F3 on October 3, 1970, which passed about 12 miles south of town and caused 1 death. The most recent was an EF0 on September 6, 2025, which touched down about 21 miles south of town.

Hail: 173 reports of 1-inch or larger hail within 25 miles since 1955, 8 of them 2 inches or more; the largest was 2.25-inch hail on June 22, 1988.

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 Nashua'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.

Nashua radar FAQ

Where is the nearest weather radar to Nashua, NH?

KBOX (Boston, MA), about 58 miles south-southeast. KGYX (Portland, ME) is 100 miles away and also covers the area.

Does radar show snow in Nashua?

Yes. TALON colors snow blue, a rain–snow mix pink and freezing rain purple using NOAA's precipitation-type analysis. Over Nashua the lowest scan from KBOX is about 4,300 ft up.

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

Radar for nearby towns

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