Snow is moving in.

February 9, 2010 (WPVI) -- Winter storm warnings are in effect now for our entire region until midnight Wednesday night.

TONIGHT: Snow is light overnight, and it's possible that we only get about 3-6" of snow by dawn in the I-95 corridor. But roads for the morning commute will be slick and conditions will quickly worsen. The overnight low drops to about 25. In South Jersey and Southern Delaware, it may be mainly rain for much of the time, creating flooding on roads where the rain combines with melting snow.

WEDNESDAY: Expect near-blizzard conditions at times. Heavy, wind-blown snow will still be falling in the morning, and will continue in most areas into and perhaps through the afternoon. Then, we get generally lighter snow working its way in through the late afternoon and evening from northwest to southeast. Rain in the morning in South Jersey and Delaware will change to snow during the day. The last flakes will linger into the evening. The high: 30.

PREDICTED SNOWFALL: Once again, many areas are looking at significant snowfall amounts. But, unlike this past weekend's storm, the band of heaviest snow will likely set up along I-95 and areas to the north, where 18-24" of snow is expected to accumulate. Outlying suburbs, including Reading and teh Lehigh Valley, will accumulate 12-18". In areas close to the Shore, you may only get about 3-6", due to the rain that falls early in the storm period. The snow that falls will be heavy and, with high winds expected Wednesday, we expect widespread power outages.

THURSDAY: Look for the return of at least some sunshine, but it will be windy with drifting snow possible. The high: 32.

FRIDAY: It's mostly sunny and breezy, but at least the temperature goes above freezing. The high: 36. By the way, highs the rest of this week will probably be a few degrees lower then they would be without the bright white snow on the ground. The snow reflects much of the otherwise warming solar energy from the sun, keeping us a little colder. Once the snow gets "dirtier" and develops more holes in it, this effect will lessen.

THE WEEKEND: It stays dry, fairly sunny, and fairly cold. Look for highs in the mid 30s. It will be windy at times. But again, for now, it appears as though we have no additional precipitation. Once we get into the last week of February, the chances of big snows tend to go down, at least statistically, in our area. Of course, in this crazy El Nino winter, anything can happen. But as the higher March sun angle kicks in, it's much easier for milder air to wedge into the region. This accomplishes two things. First, all out snow storms become less frequent (in fact, March averages about half as much snow as we generally see in both January and February). Second, if we do get snow, it usually melts a lot faster. For what it's worth, there's a hint in the long range temperature models of an upswing in our numbers around February 20 -23, which would make it a lot tougher on big snow storms.

MONDAY: Believe it or not, we could have more snow. But let's take this winter one storm at a time. The high: 33.

TUESDAY: Mix of clouds and sun. High: 36

We're watching the storm develop tonight. Adam and I will have the latest track and an update on expected accumulation on Action News at 11. Stay safe! Cecily

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accuweather forecast, cecily tynan

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