Keep an eye on the skies and be prepared to move inside should the weather turn ugly.
The says the storm could strike the southern part of Wellesley.
According to NWS, the storm could pose a threat to people caught outside.
"This is a dangerous storm," the warning states. "If you are in its path, prepare immediately for damaging winds, destructive hail and deadly cloud-to-ground lighting. People outside should move to a shelter, preferably inside a strong building but away from windows."