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Mostly sunny and more humid
Partly sunny and humid
An afternoon thunderstorm
of sunlight, then sets at
of moolight, then sets at
Warmth will make a comeback around the Baltimore and Washington, D.C., areas for the remainder of this Memorial Day holiday weekend, seemingly fitting for the unofficial start to summer. more >
Dec 20, 2012; 5:00 AM ET
The 540 line is often used by meteorologists to determine the chances of rain vs. snow.