Severe Thunderstorm Watch Targets I-95 Corridor as 58 MPH Winds and Hail Threaten Drivers From DC to Boston

Drivers across the eastern US are facing a rough Friday evening commute. The Storm Prediction Center has issued a Slight Risk of severe thunderstorms this afternoon and evening across the Appalachians, Mid-Atlantic, and Northeast, and a Severe Thunderstorm Watch is already in effect for the Washington, DC region until 9 p.m. EDT. That timing lines up almost exactly with the Friday rush on some of the busiest highways in the country.

Peak driving danger window:

Mid-afternoon through 9 p.m. EDT, when storms capable of 58 mph wind gusts and hail cross the I-95 corridor between Washington, DC and southern New England.

What to Expect

Scattered severe thunderstorms with damaging wind gusts and excessive rainfall are possible from the Mid-Atlantic to southern New England, according to the National Weather Service. Key threats include:

• Wind gusts of 58 mph or stronger, enough to push high-profile vehicles out of their lanes
• Hail large enough to crack windshields and dent body panels
• Torrential downpours that cut visibility to near zero in seconds
• Frequent lightning during the evening commute

Road Conditions

The I-95 corridor from Washington through Baltimore, Philadelphia, and toward New York takes the most direct hit. Storms developing over the Appalachians will organize into clusters capable of damaging outflow winds as they push east, sweeping across I-81 in Virginia and Pennsylvania, I-78, and I-70 before reaching the coastal metros. Heavy rain will pond quickly on highways still radiating heat from a 90-degree afternoon, raising the hydroplaning risk.

Poor Weather Driving Tips

Slow down well below the posted limit the moment rain begins, since the first few minutes are the slickest. Turn on headlights, never hazards, while moving. If hail starts or visibility collapses, exit the highway and wait it out under cover. Leave double the following distance and avoid flooded sections of roadway entirely.

Timing

Storms develop over the mountains by mid-afternoon, reach the I-95 metros during the evening commute, and push into New England through the evening hours before the cold front clears the coast overnight.

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