UPDATE: Watch Upgraded to Winter Storm Warning: Snow Totals Increased

The National Weather Service in Pittsburgh has issued a Winter Storm Warning for the entire Pittsburgh region, including the Cranberry area beginning 8 p.m. Sunday through 11 a.m. Monday.

Forecasters say the snow will be most intense from midnight Sunday through the pre-dawn hours of Monday, accumulating 4-8 inches before ending by Monday afternoon.

A Winter Storm Warning means that heavy snow will make tavel dangerous. If you must venture out at all, use extreme caution.

Here's a more detailed look at the forecast:

• Sunday Night: Snow, mainly after midnight. The snow could be heavy at times. Low around 30. East wind 10 to 13 mph. Chance of precipitation is 100 percent. New snow accumulation of 3 to 5 inches possible
• Monday: Snow, mainly before 5 p.m. The snow could be heavy at times. High near 40. Northeast wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 100 percent. New snow accumulation of 2 to 4 inches possible.
• Monday Night: A chance of snow showers, mainly before 9pm. Cloudy, with a low around 27. North wind around 8 mph. Chance of precipitation is 30%.