Forecast Last Updated at Wednesday, August 20, 2014 at 6:59PM
Very Warm End to the Work Week
Isolated thunderstorms are making safe passage from east Tennessee into the mountains this evening. Due to the very spotty nature most of us stay dry early on, but there is a shot at another round before midnight as more storms have formed upstream in Kentucky moving southeast. We'll go with widely scattered coverage as it's questionable as to how far south those storms make it since they'll be running on fumes.
The work week ends on a very warm note with highs running 5-10 degrees above normal. Definitely not unusual for this time of year, but a bit of a shock to the system considering the milder summer we have had locally. Isolated to widely scattered thunderstorms will be around through Friday as well providing a brief reprieve from the warm temps for some. More clouds and cooler temperatures are expected over the weekend.
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Hi: 90 Lo: 67
Partly cloudy tonight; Widely scattered t-storms; Light NW wind except in storms
Hi: 90 Lo: 66
Partly sunny; Very warm; Widely scattered afternoon and nighttime t-storms; NW wind 5-15 mph
Hi: 90 Lo: 66
Partly cloudy; Continued very warm; Isolated afternoon or nighttime showers & storms; NW wind 5-15 mph
Hi: 87 Lo: 66
Partly sunny; Widely scattered afternoon & nighttime showers & storms
Hi: 80 Lo: 64
Partly sunny; Scattered showers & t-showers
Monday - Partly sunny with widely scattered showers & t-storms; High in the upper 70s; Low in the mid 60s
Tuesday - Mostly cloudy with a few showers or t-showers possible; High near 80 degrees; Low in the lower 60s
A very warm end to the work week is coming our way, then cooler and potentially more unsettled over the weekend…
The next few days are shaping up to be some of the warmest days of the summer thanks to a developing upper level high over the southern US. Beneath this high, hot and mostly dry conditions will be the theme from Texas to Tennessee. A westerly wind will draw this warmer air east into the Carolinas. Through Friday, high temperatures will be a good 5-10 degrees above normal with many locations reaching or exceeding the 90 degree mark, especially in the Foothills. The mountains will be a tad cooler, but not by much. You’ll have to go to the highest elevations (ie. above 3500’) to get more relief. It will be very humid as well making for even higher heat indices.
While areas to our west will be mostly dry, the rainfall forecast locally is a bit more tricky thanks to a semi-stationary frontal boundary that will extend through the Ohio Valley and off the Mid-Atlantic Coast. Initially, it stays to the north of western NC as a number of disturbances ride along it. Most of the thunderstorm activity is expected to remain to our north over Virginia through Friday, but the proximity of the front to the area means we can’t completely get rid of the mention of storms.
As we head into the weekend, the front mentioned above is expected to drop south into North Carolina as high pressure strengthens over the Northeast. While there remains uncertainty regarding the evolution of the weather pattern over the weekend, the general idea is more clouds and cooler temperatures. The coverage of rain will likely go up as well, especially on Saturday and Sunday as the front moves in. Overall, this wedge setup doesn’t look quite as wet as ones we have seen earlier this summer. Also, if any area sees a decent amount of sunshine over the weekend, temperatures will be a lot warmer. On the flip side, no sun would likely mean cooler temperatures stay locked in.
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