Severe thunderstorm watch issued for western Connecticut

The National Weather Service issued a severe thunderstorm watch Friday for Fairfield, New Haven and Litchfield counties in western Connecticut, warning that storms could bring isolated hail up to the size of a quarter, wind gusts up to 70 mph and frequent lightning.

The watch was reported to remain in effect until 9 p.m. Friday, June 12, 2026, as storms moved in ahead of a cold front from the west. CT Insider reported that temperatures were near 90 degrees across much of Connecticut when the watch was issued, with heat and humidity adding to the unsettled conditions.

What forecasters warned about

The main hazards cited were damaging straight-line winds, hail and lightning. Those conditions can quickly create safety risks for people outdoors and can also damage trees, power lines and property.

The threat came after a day in which western and central Connecticut were considered the areas with the greatest severe-weather risk, especially during the afternoon and evening hours.

Why the alert matters

The timing of the watch affects evening travel, outdoor plans and utility reliability across the warned counties. Residents in Fairfield, New Haven and Litchfield counties were urged to monitor the sky and be ready for warnings if storms intensified.

The alert also followed Thursday’s storms, which knocked down trees and power lines in parts of Connecticut and caused outages and road impacts. That earlier damage added to concerns about what a new round of severe weather could bring Friday.

What to watch next

Forecasters were monitoring whether the watch would expire at 9 p.m., be extended or be replaced by severe thunderstorm warnings if storms strengthened. They were also watching whether the storm line shifted east enough to affect additional Connecticut counties.

Any new outages, tree damage or road problems would likely depend on how strong the storms became as they crossed the state.