Help The Tropical Cyclone Pam Disaster Relief Effort
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Clouds and sun with a shower
Periods of rain
Cloudy with showers
A couple of showers
of sunlight, then sets at
of moolight, then sets at
Rain will move in late Monday and continue through the end of 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.