Area Forecast Discussion
Issued by NWS Nashville, TN
Issued by NWS Nashville, TN
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695 FXUS64 KOHX 031718 AFDOHX Area Forecast Discussion National Weather Service Nashville TN 1118 AM CST Wed Dec 3 2025 ...New AVIATION... .KEY MESSAGES... Updated at 1114 AM CST Wed Dec 3 2025 - Rain chances return Thursday night. There is a low chance of a wintry mix across Middle TN Friday morning. This will need to be monitored closely as there`s a 25-30% chance of accumulating ice on the Cumberland Plateau. - Temperatures recover quickly Friday morning to limit any accumulating ice impacts. && .SHORT TERM... (Rest of today through Thursday) Issued at 1034 AM CST Wed Dec 3 2025 So much for seeing sun today. A rather large inversion over the region has kept a stratus deck trapped over Middle TN through the night and into this morning. There is some eroding of the deck in north Georgia that is trying to eeek it`s way into our southeastern counties and while clouds may break up for a few this afternoon in that part of the mid-state (some thinning in our southwest), most are expected to remain socked in with clouds. That means afternoon highs initially forecast are going to be cooler than we thought. Some south of I-40 may see 40 degrees, but most will remain in the 30s today. Clouds stick around tonight and while I`d like to say we`ll see some sun tomorrow, that might actually not be the case as our next system is due in here pretty quickly tomorrow night. That means I`m going to run above NBM for overnight lows again (3-5 degrees) and tomorrow should also be a little cooler than currently depicted in the NBM. && .LONG TERM... (Thursday Night through next Wednesday) Issued at 1034 AM CST Wed Dec 3 2025 The biggest story with this forecast package is shaping up to be the previously mentioned system tomorrow night. It still looks like the setup is one of an overrunning scenario where rain and warm air aloft moves in from the south and precipitates into a cold surface layer. Now, there`s a LOT of things that will go into this, including wetbulb temperatures, surface temperatures and how intense the rain is that decides whether we get freezing rain out of tomorrow night`s system. As of right now, probabilities of getting a few hundredths of freezing rain tomorrow night stand at 25-30% on the Cumberland Plateau and 10-15% elsewhere across Middle TN. While that doesn`t seem like a great chance, those numbers have ticked up 10-15% in this morning`s NBM/LREF suite. We`ll get into HREF territory later today, but let it be said one of its members (HRRR) is showing a little less than a tenth of an inch of ice on the Cumberland Plateau tomorrow night. For now, we`ll highlight the highest probability is a cold rain, but there is a low risk of a swath of mixed wintry precipitation somewhere in Middle TN. Precipitation in whatever form it ends up being should be out of here mid-morning on Friday and while there might be some clearing of these clouds Friday afternoon, our next weather system will likely push additional (or continued) cloud cover into the mid-state Saturday and rain chances Saturday night right into Sunday. The NBM is showing these rain chances as low due to inconsistencies from model to model, so this will likely have to be revisited a couple of times over the next few days. In either scenario, temperatures through this forecast will remain several degrees below normal for this time of the year. After the Saturday night/Sunday rain chances, we should dry out for a couple of days before another system enters the picture mid-week. && .AVIATION... (18Z TAFS) Issued at 1114 AM CST Wed Dec 3 2025 Satellite is starting to show low clouds breaking up and we should see gradual clearing as the afternoon goes on with VFR conditions expected by 21z. Mid level clouds build in during the evening and overnight and there is a moderate chance of MVFR cigs returning to KCKV tomorrow morning. Southerly winds up to 6 knots through the afternoon becoming northerly under 5 knots overnight. No precip through the TAF period. && .PRELIMINARY POINT TEMPS/POPS... Nashville 41 31 41 33 / 0 0 10 60 Clarksville 37 28 36 29 / 0 0 10 20 Crossville 40 28 40 30 / 0 0 10 90 Columbia 42 30 42 33 / 0 0 10 90 Cookeville 39 29 40 31 / 0 0 10 90 Jamestown 38 28 38 29 / 0 0 10 80 Lawrenceburg 42 30 43 34 / 0 0 10 80 Murfreesboro 41 29 42 33 / 0 0 10 90 Waverly 37 30 37 29 / 0 0 10 40 && .OHX WATCHES/WARNINGS/ADVISORIES... None. && $$ SHORT TERM...Unger LONG TERM....Unger AVIATION.....Mueller