A slow-moving system means rain could force those planning outdoor activities in the central and southern U.S. this holiday weekend to come up with a Plan B on one or more days.

Sunny conditions are expected to continue for most of the weekend, the weather service said, before rain chances return Sunday night.

With the potential for severe weather in the forecast this weekend, one park ranger says it's important to be mindful of what's happening outside.

Weekend will be mostly cloudy and cool in Boston before the temperature goes up towards the end of the weekend.