Help The Tropical Cyclone Pam Disaster Relief Effort
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Showers of rain and snow
Mostly cloudy; breezy, warmer
A morning flurry; cloudy
Plenty of sunshine
Cloudy; warmer with t-storms
of sunlight, then sets at
of moolight, then sets at
Temperatures will steadily rise into the new week in Detroit, but the chance for rain or snow will return early in the week. more >
Dec 20, 2012; 5:00 AM ET
The 540 line is often used by meteorologists to determine the chances of rain vs. snow.