Note: Select a region before finding a country.
Heavy rain and a thunderstorm
A morning t-storm in spots
Cool with clouds and sun
of sunlight, then sets at
of moolight, then sets at
Strong thunderstorms will threaten Chicago this weekend before the city gets a taste of September. more >
Dec 20, 2012; 5:00 AM ET
The 540 line is often used by meteorologists to determine the chances of rain vs. snow.