Forecast Last Updated at Tuesday, March 21, 2023 at 7:09AM

Winter to Spring in Four Days

The calendar says "sprint" but the weather says "not so fast". They will agree on "spring" Thursday. High pressure along the Mid-Atlantic Coast holds a cool wedge in the Southern Appalachians through Wednesday. Thursday a full-on warm, southerly flow takes the lid off, and temperatures zoom. In between, a little rain must fall... Clouds increase this afternoon, and we'll have rain Wednesday until mid-afternoon. Expect areas of fog Wednesday also.

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Tuesday Hi: 55 Lo: 37 Early sun, but increasing PM clouds; Slightly warmer by afternoon; Light wind becoming South 5-15 mph, breezy tonight at higher elev's

Wednesday Hi: 51 Lo: 45 Cloudy with areas of fog; Periods of rain until mid-afternoon; Light SW wind, but breezy at higher elev's

Thursday Hi: 72 Lo: 52 Partial sunshine after early patchy fog; Much warmer; Wind becoming SW 5-15 mph, breezy at higher elev's

Friday Hi: 74 Lo: 56 Becoming cloudy; Spotty light afternoon rain; Steadier rain developing late Fri. night

Saturday Hi: 70 Lo: 44 Generally cloudy; Periods of light rain during the daytime, mostly in the AM

Further Out

Sunday - Early sun; Increasing PM clouds; Rain possible Sun. night; High in the upper 60s; Low in the mid 40s
Monday - Cloudy; Periods of rain during the daytime; High in the mid 60s; Low in the upper 40s

Forecast Discussion

Arctic high pressure centered in the Mid-Atlantic holds a cool wedge in the Southern Appalachians through Wednesday. After a clear, cold start in valleys, this afternoon is slightly warmer than Monday afternoon. Clouds increase this afternoon and tonight. Rain develops early Wednesday in a moist southerly flow. Expect a cool Wednesday with patchy fog. Rain ends Wednesday by mid-afternoon.

Air mass change happens Thursday. The day may start with a touch of fog, but sunshine returns and temperatures soar about 20 degrees (compared to Wednesday). It's the outdoor pick of the week!

Pleasant, warm weather continues into Friday; however, a front from the northwest increases moisture and clouds in the afternoon. Clouds increase, and patchy light rain will be possible in afternoon near the Blue Ridge. Steadier rain arrives late Friday night.

The front moves through early Saturday, and rain ends by early afternoon. Temperatures will be only slightly cooler than Friday. We may sneak in a few nice hours late-day. Relatively pleasant weather continues through the daytime Sunday.

Saturday's front returns as a warm front Sunday night. Clouds return and rain develops Sunday night, continuing into Monday. The next front from the northwest moves through Monday night.

Don't store the sweaters away just yet. Colder air returns next Tuesday night, but not as cold as the last two cold surges.

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