textproduct: Jackson

KEY MESSAGES

- Drier weather with modestly lower humidity behind a cold front will prevail from Wednesday through Friday.

UPDATE

Issued at 752 PM EDT TUE JUL 28 2026

At this point, only a few isolated showers remain near the TN and VA borders. Won't rule out a rogue lightning strike in the next hour or so in that area, but the svr threat is done and svr tstm watch 526 is gone from KY.

LONG TERM

(Thursday through Tuesday) Issued at 437 PM EDT TUE JUL 28 2026

The long-term period opens Thursday morning with a deep trough axis extending from Quebec southward to along the Mid-Atlantic and Southeast US coast. Meanwhile, an ~596 dam high is in place over the Southern Rockies with broader ridging across much of the Central and Western CONUS. This leaves the Ohio Valley in a zone of subsidence on the eastern side of the ridging, corresponding to an area of surface high pressure. There is also a shortwave trough riding over the top of the ridging across the Dakotas at the start of the period.

Aside from some nighttime and morning fog in the typically favored river valley locales, fair weather will be found across eastern Kentucky through Friday as surface high pressure crests over and just northeast of the JKL CWA. This will keep relatively cool temperatures in place for both Thursday and Friday with highs in the lower to mid 80s and lows in the mid 50s to near 60F. Dew points falling into the upper 50s to lower 60s will make it feel quite comfortable.

Looking ahead to the weekend and early next week, the shortwave trough over the Northern Plains will dig southeastward and close off into a low over the Mid-Mississippi Valley. A weak area of surface low pressure will develop ahead of this feature over the Central Plains on Thursday night into Friday, then occlude and decay near or over the Commonwealth early next week. This system will wrap higher humidity levels back into eastern Kentucky while also bringing rounds of convection. As a result, daily high temperatures will remain on the cool side, generally in the lower to middle 80s, while nighttime lows moderate to between 65 and 70F.

AVIATION

(For the 00Z TAFS through 00Z Wednesday evening) ISSUED AT 752 PM EDT TUE JUL 28 2026

Only a few isolated showers remain near the TN and VA borders as the period starts, and they will be gone soon. This will leave VFR conditions to start the night. Fog will probably develop in the deeper valleys later in the night. However, its spread with time is uncertain due to advection of cooler/drier air into the area. Have kept it out of TAFs for the time being. However, won't rule it out, with KSME and KLOZ being the most likely to be affected should it spread from the deeper valleys. Where fog develops, IFR or worse conditions may occur. Once fog dissipate on Wednesday morning, VFR conditions are forecast through the day.

JKL WATCHES/WARNINGS/ADVISORIES

None.