Heat index values expected to be in the 70s by 10 PM EDT.

* WHAT. For the first High Rip Current Risk, dangerous rip currents. For the second High Rip Current Risk, dangerous rip currents expected. * WHERE. Washington, Southern Bristol MA, Southern Plymouth MA, Dukes MA, Nantucket MA, and Newport RI Counties. * WHEN. For the first High Rip Current Risk, until 8 PM EDT this evening. For the second High Rip Current Risk, from Thursday morning through Thursday evening. * IMPACTS. Rip currents can sweep even the best swimmers away from shore into deeper water.

SVRBOX The National Weather Service in Boston/Norton has issued a * Severe Thunderstorm Warning for. Essex County in northeastern Massachusetts. East central Worcester County in central Massachusetts. North central Suffolk County in eastern Massachusetts. Middlesex County in northeastern Massachusetts. * Until 815 PM EDT. * At 711 PM EDT, severe thunderstorms were located along a line extending from Dunstable to near Acton to Marlborough, moving east at 35 mph. HAZARD. 60 mph wind gusts. SOURCE. Radar indicated. IMPACT. Expect damage to roofs, siding, and trees. * Locations impacted include. Lowell, Cambridge, Lynn, Lawrence, Somerville, Framingham, Haverhill, Waltham, Malden, Medford, Revere, Peabody, Methuen, Arlington, Everett, Salem, Billerica, Beverly, Marlborough, and Woburn.

At 731 PM EDT, severe thunderstorms were located along a line extending from near Dracut to near Wilmington to near Weston, moving east at 35 mph. HAZARD. 60 mph wind gusts. SOURCE. Radar indicated. IMPACT. Expect damage to roofs, siding, and trees. Locations impacted include. Lowell, Lynn, Lawrence, Haverhill, Waltham, Malden, Medford, Revere, Peabody, Methuen, Arlington, Salem, Billerica, Beverly, Woburn, Chelmsford, Andover, Lexington, Dracut, and Tewksbury.

THE NATIONAL WEATHER SERVICE WILL ALLOW SEVERE THUNDERSTORM WATCH 552 TO EXPIRE AT 8 PM EDT THIS EVENING FOR THE FOLLOWING AREAS IN CONNECTICUT THIS ALLOWS TO EXPIRE 3 COUNTIES IN NORTHERN CONNECTICUT HARTFORD TOLLAND WINDHAM IN MASSACHUSETTS THIS ALLOWS TO EXPIRE 6 COUNTIES IN CENTRAL MASSACHUSETTS WORCESTER IN EASTERN MASSACHUSETTS MIDDLESEX IN NORTHEASTERN MASSACHUSETTS ESSEX IN WESTERN MASSACHUSETTS FRANKLIN HAMPDEN HAMPSHIRE THIS INCLUDES THE CITIES OF FITCHBURG, FRAMINGHAM, GLOUCESTER, GREENFIELD, HARTFORD, LAWRENCE, LOWELL, NORTHAMPTON, PUTNAM, SPRINGFIELD, UNION, VERNON, WILLIMANTIC, AND WORCESTER.