Thompsonville, CT Live Doppler Radar
Live radar for Thompsonville, Hartford County: every NWS radar combined, rain, snow and ice colors, flash-flood risk, storm tracks and official warnings.
What weather hits Thompsonville?
Since 1996, the National Weather Service has logged damaging thunderstorm winds on 170 days in the Hartford forecast zone and Hartford County — the most common reported hazard around Thompsonville, mostly in July and June. Next come heavy snow & winter storms (88 days) and flooding (72 days).
| Hazard | Days reported | Most recent | Worst on record |
|---|---|---|---|
| Damaging thunderstorm winds | 170 | Jun 2026 | Aug 2, 2018 · $5.5 million damage |
| Heavy snow & winter storms | 88 | Feb 2026 | Oct 29, 2011 · $8.0 million damage |
| Flooding | 72 | Jun 2024 | Aug 28, 2011 · 1 death · $8.0 million damage |
| Flash flooding | 42 | Jul 2025 | Aug 22, 2021 · $600,000 damage |
| High winds | 34 | Dec 2025 | Feb 25, 1996 · 2 deaths · $500,000 damage |
| Lightning casualties & damage | 25 | Aug 2025 | Jul 27, 2014 · $50,000 damage |
| Excessive heat | 24 | Jul 2018 | — |
| Extreme cold & wind chill | 7 | Jan 2019 | — |
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 Hartford forecast zone and Hartford County; damage is as reported, not adjusted for inflation.
How much snow does Thompsonville get?
A normal year brings about 52 inches of snow to Thompsonville, based on NOAA's 1991–2020 climate normals for the Hartford Bradley Intl Ap weather station 5.8 miles away. The snowiest month is usually February (14.8 in).
| Oct | Nov | Dec | Jan | Feb | Mar | Apr | May |
|---|---|---|---|---|---|---|---|
| 0.7 | 1.4 | 10.1 | 14.2 | 14.8 | 9.4 | 1.1 | 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 Thompsonville?
The closest NEXRAD Doppler radar is KBOX (Boston, MA), about 75 miles east. 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 Thompsonville | View |
|---|---|---|---|
| KBOX Boston, MA | 75 mi east | 6,300 ft | Fair — the beam can pass over shallow snow and low-level rotation |
| KOKX Upton, NY | 79 mi south | 6,800 ft | Fair — the beam can pass over shallow snow and low-level rotation |
| KENX Albany, NY | 86 mi west-northwest | 7,600 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 Thompsonville
Since 1950, NOAA has recorded 59 tornadoes within 25 miles of Thompsonville, 16 of them EF2/F2 or stronger. Most came in August and June. The strongest was an F4 on October 3, 1979, which passed about 5 miles west of town and caused 3 deaths. The most recent was an EF0 on September 9, 2021, which touched down about 23 miles southeast of town.
Hail: 204 reports of 1-inch or larger hail within 25 miles since 1955, 11 of them 2 inches or more; the largest was 3.00-inch hail on July 26, 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 Thompsonville'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.
Thompsonville radar FAQ
Where is the nearest weather radar to Thompsonville, CT?
KBOX (Boston, MA), about 75 miles east. KOKX (Upton, NY) is 79 miles away and also covers the area.
Does radar show snow in Thompsonville?
Yes. TALON colors snow blue, a rain–snow mix pink and freezing rain purple using NOAA's precipitation-type analysis. Over Thompsonville the lowest scan from KBOX is about 6,300 ft up, so light snow from shallow clouds can be under-shown — check NWS winter alerts too.
Is TALON's radar for Thompsonville 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 Thompsonville, follow it right away — see watch vs. warning.
Radar for nearby towns
- Hartford, CT radar 16 mi
- New Britain, CT radar 24 mi
- Bristol, CT radar 28 mi
- Torrington, CT radar 30 mi
- Middletown, CT radar 31 mi
- Meriden, CT radar 33 mi
- Litchfield, CT radar 35 mi
- Waterbury, CT radar 38 mi
- Danielson, CT radar 39 mi
- Norwich, CT radar 40 mi