Lancaster, Pennsylvania

We’re headed for Amish country with our forecast tonight. Are we going to be able to enjoy a nice weekend in Lancaster, or does Mother Nature have other things in mind?

At 953PM, ET, Lancaster was reporting a temperature of 69 degrees with clear skies, though a few locations around the region were reporting clouds, while the valleys were starting to report some light haze. Lancaster was seeing a dew point of 65, and coupled with the clear skies, it seems as though fog is inevitable tonight.
A sharp mid level trough moving through the Northern Plains is also generating the warm, moisture rich southerly flow in the mid-Atlantic, which will continue tomorrow, making things unseasonably warm, and still fairly sticky, though Tropical Storm Nate, moving into the Gulf will intercept some of the moisture as it tries to flow to the northeast. A cold front associated with the trough in the Plains will arrive early in the day Sunday, bringing some morning showers and storms, but Nate in his press for landfall, will cut off moisture for the cold front, allowing things to dry up Sunday afternoon, despite the increasing rainfall in the southeast. The cold front itself will also stall before passing through Lancaster, meaning an even more vigorous induction of warm, moist air, even without additional rain showers.
Tomorrow – Unseasonably warm, mostly sunny, High 80, Low 61
Sunday – Morning showers, then mostly cloudy, HIgh 81, Low 69

TWC: Tomorrow – Sunshine and clouds mixed. High 82, Low 62
Sunday – Thunderstorms in the morning, then cloudy skies late.  High 80, Low 70

AW: Tomorrow – Very warm and muggy with periods of sun and clouds High 82, Low 62
Sunday – Very warm and muggy with periods of rain High 80, Low 69

NWS: Tomorrow – Partly sunny, High 83, Low 60
Sunday – Rain likely. Mostly cloudy,  High 80, Low 68

WB: Tomorrow – Partly sunny. Unseasonably warm. Highs 81, Low 62
Sunday – Rain likely. Warm. High 81, Low 70

WN: Tomorrow- Partly cloudy, High 83, Low 60
Sunday – Mostly cloudy with light rain likely, High 80, Low 68

FIO: Tomorrow – Partly cloudy until afternoon. High 82, Low 63
Sunday – Light rain starting in the morning, continuing until evening. High 84, Low 71

Some rain is coming thanks to the feature moving through the Plains, but Nate will indeed move through southeastern Pennsylvania early next week. Right now, satellite is pretty innocuous in the Mid-Atlantic.

 

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