Topsham, ME Live Doppler Radar

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

Open live radar for TopshamWhat TALON shows

What weather hits Topsham?

Since 1996, the National Weather Service has logged heavy snow or a winter storm on 136 days in the Sagadahoc forecast zone and Sagadahoc County — the most common reported hazard around Topsham, mostly in January and February. Next come high winds (25 days) and damaging thunderstorm winds (21 days).

HazardDays reportedMost recentWorst on record
Heavy snow & winter storms136Jan 2026—
High winds25Jan 2024Oct 16, 2019 · $5,000 damage
Damaging thunderstorm winds21Jul 2022Sep 6, 2021 · $20,000 damage
Extreme cold & wind chill20Feb 2023—
Coastal flooding16Mar 2024Jan 13, 2024 · $15 million damage
Flooding9Feb 2010Apr 16, 2007 · $600,000 damage
Blizzards6Jan 2022—
Flash flooding5Jul 2023Aug 13, 2014 · $50,000 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 Sagadahoc forecast zone and Sagadahoc County; damage is as reported, not adjusted for inflation.

How much snow does Topsham get?

A normal year brings about 67 inches of snow to Topsham, based on NOAA's 1991–2020 climate normals for the Brunswick Nas weather station 3.3 miles away. The snowiest month is usually January (19.3 in).

OctNovDecJanFebMarAprMay
0.21.99.819.313.618.73.30.0

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

Which radars cover Topsham?

The closest NEXRAD Doppler radar is KGYX (Portland, ME), about 17 miles west-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 TopshamView
KGYX
Portland, ME		17 mi west-southwest900 ftExcellent — the lowest scan sees close to the ground
KBOX
Boston, MA		151 mi south-southwest18,300 ftLimited — the beam overshoots the lowest part of storms
KCXX
Burlington, VT		165 mi west-northwest21,200 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 Topsham

Since 1950, NOAA has recorded 8 tornadoes within 25 miles of Topsham, 1 of them EF2/F2 or stronger. Most came in July and November. The strongest was an F2 on July 8, 1996, which touched down about 16 miles north of town. The most recent was an EF0 on July 24, 2012, which touched down about 9 miles east-northeast of town.

Hail: 81 reports of 1-inch or larger hail within 25 miles since 1955; the largest was 1.75-inch hail on March 17, 2016.

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 Topsham'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.

Topsham radar FAQ

Where is the nearest weather radar to Topsham, ME?

KGYX (Portland, ME), about 17 miles west-southwest. KBOX (Boston, MA) is 151 miles away and also covers the area.

Does radar show snow in Topsham?

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

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

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