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Holston High School, TN Weather Forecast

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Holston High School, TN Weather Forecast

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Mostly Clear

76°F

Updated	9:24 am
Feels Like	85°F
Humidity	84%
Wind	N 0 mph
Barometer	30.18 in
Dew Point	71°F

Mostly Clear

24°C

Updated	9:24 am
Feels Like	30°C
Humidity	84%
Wind	N 0 km/h
Barometer	102.2 kPa
Dew Point	22°C

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Sun & Moon

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Cloud Cover	0%
uv UV Index	9
Sunrise	7:07 AM
Sunset	8:04 PM
Moonrise	9:44 PM
Moonset	10:38 AM

Civil Twilight
6:38 AM to 7:05 AM
8:03 PM to 8:29 PM
Holston High School TN Weather - Waning Gibbous Moon

Waning Gibbous Moon

Holston High School Weather Forecast

TODAY	TONIGHT	TUESDAY	TUESDAY NIGHT	WEDNESDAY	WEDNESDAY NIGHT	THURSDAY	THURSDAY NIGHT	FRIDAY	FRIDAY NIGHT	SATURDAY	SATURDAY NIGHT

Sunny	Mostly Clear	Sunny	Mostly Clear	Sunny	Partly Cloudy	Sunny	Mostly Clear	Chance of T-Storm	Partly Cloudy	Chance of T-Storm	Partly Cloudy
Hi: 91°FHi: 33°C	Lo: 71°FLo: 22°C	Hi: 95°FHi: 35°C	Lo: 71°FLo: 22°C	Hi: 95°FHi: 35°C	Lo: 75°FLo: 24°C	Hi: 95°FHi: 35°C	Lo: 71°FLo: 22°C	Hi: 95°FHi: 35°C	Lo: 71°FLo: 22°C	Hi: 91°FHi: 33°C	Lo: 69°FLo: 21°C
								POP: 40%		POP: 20%

POP = Probability of Precipitation.

Weather Outlook Updated: 706 AM EDT Mon Aug 31 2026 Holston High School, TN Weather - WeatherWorld.com

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Issued: 725 AM EDT Mon Aug 31 2026

Key Messages

Updated at 723 AM EDT Mon Aug 31 2026

Hot and humid conditions will continue with highs well into the 90s and heat indices reaching or exceeding 100 for most by mid- week.
Other than isolated storms in the mountains the next few days, rain chances do not return area-wide until late in the week into the weekend.

Discussion

... Issued at 243 AM EDT Mon Aug 31 2026

For much of the week ahead, longwave troughing will remain well to our north. A strong ridge of high pressure will continue to...

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Weather 101: Term of the Day

1) Maryland - U.S. state. 2) Mesoscale Discussion- When conditions actually begin to shape up for severe weather, SPC (Storm Prediction Center) often issues a Mesoscale Discussion statement anywhere from roughly half an hour to several hours before issuing a weather watch. SPC also puts out MCDs for hazardous winter weather events on the mesoscale, such as locally heavy snow, blizzards and freezing rain (see below). MCDs are also issued on occasion for heavy rainfall, convective trends, and other phenomena, when the forecaster feels he/she can provide useful information that is not readily available or apparent to field forecasters. MCDs are based on mesoscale analysis and interpretation of observations and of short term, high resolution numerical model output. The MCD basically describes what is currently happening, what is expected in the next few hours, the meteorological reasoning for the forecast, and when/where SPC plans to issue the watch (if dealing with severe thunderstorm potential). Severe thunderstorm MCDs can help you get a little extra lead time on the weather and allow you to begin gearing up operations before a watch is issued. The MCD begins with a numerical string that gives the LAT/LON coordinates of a polygon that loosely describes the area being discussed.