


Area Forecast Discussion
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
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997 FXUS64 KMRX 081707 AFDMRX Area Forecast Discussion National Weather Service Morristown TN 107 PM EDT Wed Oct 8 2025 ...New DISCUSSION, AVIATION... .KEY MESSAGES... Updated at 1259 PM EDT Wed Oct 8 2025 - Drier air arrives as high pressure builds in. Mostly clear sky and dry weather through the weekend. - Fall-like, cool temperatures and dry weather expected through this weekend. A slight warming trend early next week. && .DISCUSSION... Issued at 1259 PM EDT Wed Oct 8 2025 A cold front has moved southeast of the region with northerly winds advecting cooler, drier air into the region. Upper-level northwest flow and surface high pressure will develop across the region with clearing sky conditions and dry weather. Cool temperatures are expected the next few nights with some 30s possible across the higher elevations of the East Tennessee mountains and southwest Virginia. We should remain dry with high pressure in control through the weekend. Upper-level ridging increases across the Lower Mississippi Valley early next week with southwest flow aloft and a warming trends across the Tennessee Valley. Isentropic lift will result in some increasing mid to high level clouds, but with a dry airmass at the surface, limited to no precipitation is currently forecast. && .AVIATION... (18Z TAFS) Issued at 1259 PM EDT Wed Oct 8 2025 VFR conditions prevail at all sites through the forecast period with N/NNE winds at all sites. MVFR cigs may remain at TRI for the next few hours, but a gradual transition to a sct deck around 2500 to 3500 ft is expected this afternoon across the region as surface high pressure and drier air arrives. && .PRELIMINARY POINT TEMPS/POPS... Chattanooga Airport, TN 57 73 53 75 / 0 0 0 0 Knoxville McGhee Tyson Airport, TN 54 73 50 73 / 0 0 0 0 Oak Ridge, TN 52 73 49 73 / 0 0 0 0 Tri Cities Airport, TN 46 71 40 70 / 0 0 0 0 && .MRX WATCHES/WARNINGS/ADVISORIES... NC...NONE. TN...NONE. VA...NONE. && $$ SHORT TERM...JB LONG TERM....JB AVIATION...JB