A potent upper-level disturbance, together with a northward-tracking surface low from the Mid-Atlantic region brought light to moderate snowfall to northwest Connecticut from late April 11 through early afternoon April 12. The heaviest snowfall was concentrated in the higher elevation areas of northern Litchfield County.
Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS ALY wrote it up.
A potent upper-level disturbance, together with a northward-tracking surface low from the Mid-Atlantic region brought light to moderate snowfall to northwest Connecticut from late April 11 through early afternoon April 12. The heaviest snowfall was concentrated in the higher elevation areas of northern Litchfield County. Accumulations of one half inch to 4 inches were common throughout Litchfield County. As this occurred over a weekend, little impact to travel occurred, though slippery road conditions did occur.
Key impacts: slippery road conditions.
The national radar mosaic for the moment the first event began.
1 winter weather. Local standard time, as filed.
Zone average snowfall of 2.6 inches.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Connecticut in 2025Every state in 2025This day in weather historyWarnings in Connecticut, April 2025
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-10-01. Each event’s entry at NCEI: 1250925.