Point Forecast: Knoxville, McGhee Tyson Airport TN
 35.83N 83.98W (Elev. 961 ft)
Last Update: 1:42 pm EDT Jul 15, 2025
Tabular Forecast
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Weather ElementsFire WeatherAviation Weather
Temperature (°F)
Dewpoint (°F)
Heat Index (°F)

Surface Wind  
Sky Cover (%)
Precipitation Potential (%)
Relative Humidity (%)

Rain
Thunder
Fog
Mixing Height  
Trans. Wind  
20ft Wind  
Pressure (in)
Atmospheric Dispersion Index
Low Visibility Occurrence Risk Index
Turner Stability Index
Ceiling Height
Visibility

48-Hour Period Starting:       Back 2 Days  

Date07/1507/16
Hour (EDT)181920212223000102030405060708091011121314151617
Temperature (°F)919087848280807877777675757476788284878990929190
Dewpoint (°F)686869707070707171717171707070717171707070686868
Heat Index (°F)9594918886838378777776757576788689929496969594
Surface Wind (mph)65533322222222235678891010
Wind DirWWSWNESEWSWSEWWWWNWSSWSWSWSWSWSWSWSWSWW
Gust
Sky Cover (%)374351435954252727382630425139361321162537226341
Precipitation Potential (%)393922201916137788543487681043474546
Relative Humidity (%)474955636772727982828587848782796965575452464749
RainChcChcSChcSChcSChcSChc----------------------------ChcChcChcChc
ThunderChcChcSChcSChcSChcSChc----------------------------ChcChcChcChc

Date07/17
Hour (EDT)181920212223000102030405060708091011121314151617
Temperature (°F)908986848280797878777676767677798184868990919190
Dewpoint (°F)696969707071727271717171717171717171717070696968
Heat Index (°F)959490888683797878777676767677798589919496969694
Surface Wind (mph)987666666655556778899999
Wind DirSWSSWSSSSSWSWSWSSSSWSWSWSWSWSWSWSWSWSWSW
Gust
Sky Cover (%)342826374858555148535863554638363432364044474952
Precipitation Potential (%)343531313131313111111111111119191919191953535353
Relative Humidity (%)505257636774798279828585858582777265615452494949
RainChcChcChcChcChcChcChcChc------------SChcSChcSChcSChcSChcSChcChcChcChcChc
ThunderChcChcChcChcChcSChcSChcSChc------------------SChcSChcSChcChcChcChcChc

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