Forecast Last Updated at Thursday, May 23, 2013 at 6:56PM

Much Cooler Air Incoming

A cold front moves through this evening with scattered showers followed by much cooler air arriving here Friday. Expect clouds early (maybe some early light rain or drizzle), then sunshine by afternoon. Friday will be windy and shockingly cooler. A late-May, valley frost is possible Friday night. The weekend looks generally cool and dry. Memorial Day will be a bit warmer with isolated afternoon thundershowers.

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Thursday Hi: 76 Lo: 54 Scattered showers (maybe a t-shower) this evening, otherwise mostly cloudy; Areas of drizzle possible after Midnight; NW wind 10-20 mph and gusty

Friday Hi: 64 Lo: 38 Clouds early with some drizzle possible; Sunny afternoon; Much cooler; NW wind 15-25 mph & gusty; Valley frost possible late Friday night

Saturday Hi: 69 Lo: 43 Mostly clear; Dry; Cooler than normal; NW wind 5-15 mph

Sunday Hi: 72 Lo: 52 Scattered clouds; Pleasant

Monday Hi: 74 Lo: 55 Partly cloudy; Isolated afternoon showers & t-showers

Further Out

Tuesday - Partly to mostly cloudy; Isolated afternoon showers & t-showers; High in the upper 70s; Low in the upper 50s
Wednesday - Mostly cloudy; Scattered PM t-showers; High in the upper 70s; Low in the lower 60s

Forecast Discussion

It's been a long time since a front moved through from the west. Tonight's the night. Expect scattered showers and maybe a t-shower this evening followed by areas of drizzle after Midnight. It will remain breezy as well.

The front will move off the Southeast Coast Friday. Low pressure will stubbornly hold in New England this weekend, and cool Canadian high pressure will settle into the Tennessee Valley and Southern Appalachians. Expect an impressively cool Friday (for May) with gusty winds. We'll have morning clouds with some early light rain or drizzle possible. In spite of the cool temperatures, sunshine will take over by afternoon. As winds diminish Friday night, valleys could see frost late Friday night. I've said it a thousand times, wise gardeners around here hold off until Memorial Day.

The weekend will have a decent amount of sun but cooler than normal temperatures.

A warm front edges back to our north early next week. It will be warmer but dramatically so. A weak disturbance may move from northwest to southeast this weekend. The combination of that energy with somewhat warmer/more humid air may produce isolated afternoon thundershowers Monday (Memorial Day) and Tuesday. Wednesday looks a notch warmer with a slight increase in afternoon thundershower coverage.

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