 Some neighborhoods may even get hotter than that. On top of that, we have scattered showers and a few thunderstorms that may pop. Now, while most neighborhoods will stay totally dry, some of these storms will be capable of producing gusty winds and some brief heavy downpours. D.C., Fairfax, Loudoun, Prince George's County say they all have cooling centers open today. Other cities and counties suggest you head to your local public library if you need to cool down. Public school system in Fairfax County says it's canceled all outdoor activities for this afternoon. D.C. and Arlington have water spray parks available for you to use.