Get indoors when you hear thunder. Do not resume outdoor activities until at least 30 minutes after the storm has passed. Frequent cloud to ground lightning is occurring with this storm. Lightning can strike 10 miles away from a thunderstorm. For your safety, go indoors or to your vehicle. This storm may intensify and become severe. Stay tuned to your local media for updates and possible warnings.

A strong thunderstorm will impact portions of southeastern Worcester, southwestern Norfolk, south central Middlesex and northern Providence Counties through 530 PM EDT... At 457 PM EDT, Doppler radar was tracking a strong thunderstorm over Medway, or near Franklin, moving southeast at 15 mph. HAZARD...Winds in excess of 40 mph and penny size hail. SOURCE...Radar indicated. IMPACT...Strong winds could cause minor damage such as downed branches. Minor damage to outdoor objects is possible. Locations impacted include... Cumberland, Franklin, Milford, Walpole, Sharon, Foxborough, Bellingham, Holliston, Medway, Medfield, Norfolk, Wrentham, Plainville, Millis, Hopedale, Mendon, Dover and Sherborn. MAX HAIL SIZE...0.75 IN MAX WIND GUST...40 MPH