700 FXUS63 KJKL 121829 AFDJKLAREA FORECAST DISCUSSION National Weather Service Jackson KY 229 PM EDT Fri Sep 12 2025
.KEY MESSAGES...
- Dry weather is expected to persist for the next week.
- Temperatures should warm above normal today and remain near that level well into next week.
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.SHORT TERM...(This evening through Saturday night) Issued at 228 PM EDT FRI SEP 12 2025
Tranquil weather pattern continues under northerly flow aloft between an amplified longwave trough to the east and a longwave ridge to the west. A disturbance will move south across the area Saturday night, but models have trended progressively weaker with this disturbance over the last 36 hours, and no significant impacts are thus expected other than passing mid-level and high-level clouds.
Temperatures will continue a gradual rising trend, both for highs and lows. Valley fog will continue its trend of developing in the river valleys and burning off/dissipating within 2 to 3 hours of sunrise.
.LONG TERM...(Sunday through Friday) Issued at 228 PM EDT FRI SEP 12 2025
A stagnant yet tranquil pattern continues through the middle of next week with upper ridging extending from the center of the country northeast into the Great Lakes and southern Ontario. Meanwhile a positively-tilted upper trough will remain along and roughly parallel to the Eastern U.S. coastline. Eastern Kentucky will continue under a weak north-northeasterly flow aloft between these two features. Models differ a bit by the middle of next week with a cut-off low that develops in the vicinity of the eastern Carolinas Tuesday, with some ensemble model systems taking a more inland track north through central/eastern Virginia into Wednesday and Thursday before moving northeast and becoming absorbed back within the mid- latitude westerlies. Other ensemble model systems keep the cut-off low along/near the coastline before moving northeast by Thursday of next week. The more inland track will bring eastern Kentucky more within the western periphery of the cut-off low and result in slightly higher precipitation chances mainly in the form of diurnal afternoon convection, especially along the Virginia and Tennessee border areas. However, regardless of which solution pans out, the dry northeasterly flow aloft will generally keep a tranquil and dry weather pattern in place through Thursday of next week.
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.AVIATION...(For the 18Z TAFS through 18Z Saturday afternoon) ISSUED AT 108 PM EDT FRI SEP 12 2025
VFR conditions are expected for the next 24 hours. The exception will be fog developing in valleys once again during the 03Z to 12Z timeframe. For this TAF package, have gone with a blend of persistence and statistical guidance at KSME, indicating a period of MVFR visibility, though sub-MVFR conditions are possible during this time if fog occurs. With surface and upper level high pressure dominating, winds will remain light and variable, except through ~21z this afternoon when winds will be primarily out of the northeast at 5 kts or less.
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.JKL WATCHES/WARNINGS/ADVISORIES... None.
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SHORT TERM...CMC LONG TERM...CMC AVIATION...CMC
NWS JKL Office Area Forecast Discussion