Connecticut Severe Severe Thunderstorm Warning | Effective 07/04/2026 17:18

Headline: 
Severe Thunderstorm Warning issued July 4 at 8:18PM EDT until July 4 at 9:15PM EDT by NWS Boston/Norton MA
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
July 4, 2026 - 5:18pm
Expires: 
July 4, 2026 - 6:15pm
Description: 
SVRBOX The National Weather Service in Boston/Norton has issued a * Severe Thunderstorm Warning for... Southwestern Hartford County in northern Connecticut... * Until 915 PM EDT. * At 818 PM EDT, severe thunderstorms were located along a line extending from Winsted to Northwest Harwinton to near Oakville to near Southbury to near Redding, moving southeast at 45 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to trees and power lines. * Locations impacted include... Hartford, New Britain, West Hartford, Bristol, East Hartford, Southington, Newington, Windsor, Wethersfield, Farmington, Simsbury, Bloomfield, Berlin, Rocky Hill, Avon, Plainville, Windsor Locks, Granby, Canton, and Burlington.
Instruction: 
For your protection move to an interior room on the lowest floor of a building. To report severe weather, contact your nearest law enforcement agency. They will send your report to the National Weather Service office in Boston/Norton. Torrential rainfall is occurring with these storms, and may lead to flash flooding. Do not drive your vehicle through flooded roadways.
Area Description: 
Hartford, CT
Forcast Office: 
NWS Boston/Norton MA