The dry spell in Boston and Eastern Massachusetts is mainly due to a persistent “high-pressure system” — think clear skies and sunny weather — as opposed to “low-pressure systems” which bring heavy clouds and rainfall, according to Kyle Pederson, a meteorologist for the National Weather Service.

Friday marks the 23rd straight day without any measurable rain in Boston. It’s the city's longest dry stretch since 1999, according to the National Weather Service.

Severe weather warnings have been issued for parts of the Southeast as the disturbance unleashes heavy, flooding rains.

Meteorologists say to bring an umbrella. The post Boston’s lengthy stretch of no rain is over. Here’s the forecast for this weekend. appeared first on Boston.com.