Note: Select a region before finding a country.
A p.m. t-storm in the area
A thunderstorm in spots
An afternoon thunderstorm
of sunlight, then sets at
of moolight, then sets at
After a subtle cooldown, hot and humid weather will bounce back in Washington, D.C., during the Labor Day weekend. more >
Dec 20, 2012; 5:00 AM ET
The 540 line is often used by meteorologists to determine the chances of rain vs. snow.