High pressure over the Great Lakes will produce excellent weather conditions today on through tomorrow afternoon, however a developing storm over the Southern Plains will bring the threat for a wintery for the far northern interior and periods of moderate to heavy rain for Tuesday night on through Wednesday.
Through tomorrow afternoon, scattered cloud cover can be expected with winds veering from the northwest to east at 5 to 10 mph. Clouds will slowly increase through the afternoon tomorrow and tomorrow evening. Temperatures will range from the lower to mid 40′s for highs this afternoon, upper 20′s to lower 30′s for lows tomorrow morning, and mid to upper 40′s for highs tomorrow afternoon.
The area of low pressure will lift towards the eastern Great Lakes with a weaker secondary low forming over Delaware by tomorrow evening. A mix of rain and snow may start for all locations but quickly going over to rain for much of the Philadelphia and New York City metropolitan areas. Further north over northeastern Pennsylvania, northern New Jersey, the Hudson River Valley, and northwestern Connecticut the precipitation will start off as a mix of snow, sleet, and freezing rain with snow accumulations of 1 to 4 inches at most with some icing possible. All precipitation will change over to rain on Wednesday as temperatures continue to warm. Temperatures on Wednesday morning will range from the lower to mid 30′s over the interior and upper 30′s to lower 40′s along the coast. Temperatures by Wednesday afternoon will rebound into the upper 40′s to lower 50′s over the interior and mid to upper 50′s along the coast. Winds will be strong from the southeast at 10 to 20 mph with higher gusts over 30 mph on Wednesday morning.
High pressure will take hold by Thursday morning and remain in control through Sunday with temperatures near to below normal. Temperatures on Thursday will range from the upper 30′s to lower 40′s for lows and mid 40′s to lower 50′s for highs. For Friday through Sunday, temperatures will range from the mid 20′s to lower 30′s for lows and lower to mid 40′s for highs.