textproduct: Paducah

This forecast discussion was created in the public domain by the National Weather Service. It can be found in its original form here.

KEY MESSAGES

- Patchy fog is less likely Tuesday morning, with only a 20% chance.

- A few isolated showers and thunderstorms are possible mid- week, peaking at a 20-30% chance Wednesday evening and Thursday afternoon. - Hot temperatures and humidity levels build over next weekend with heat index values nearing the triple digits by early next week.

UPDATE

Issued at 530 PM CDT Mon Aug 24 2026

Updated Aviation discussion for 00Z TAF Issuance.

DISCUSSION

Issued at 1214 PM CDT Mon Aug 24 2026

Sfc high pressure is centered over the Ohio Valley this afternoon, providing ample sunshine with comfortable humidity levels. Increasing scattered mid-level cloud coverage tonight combined with a subtle increase in the pressure gradient early Tuesday morning should keep any patchy fog fairly sparse. By Wednesday, temperatures will return to more seasonable with increasing humidity levels as a warm front approaches from the south. Recent runs of the GFS/EC have trended more south with the boundary that would favor an elevated complex of storms remaining focused across AR/TN during the morning hours. NBM PoPs are now lower as a result, but still peak at a 20-30% chance Wednesday evening into Wednesday night in the wake of a weak cold front on Thursday. Low chances return over the Kentucky Pennyrile Thursday afternoon, with a slight drop in humidity levels being the only relief on Friday.

More significant levels of hot temperatures and humidity build next weekend as a 594 dm southeast ridge causes height rises aloft into early next week. By next Monday, 850 mb temps will be pushing 20C which translates to highs in the mid 90s with heat index values nearing the triple digits once again.

AVIATION /00Z TAFS THROUGH 00Z WEDNESDAY/

Issued at 530 PM CDT Mon Aug 24 2026

High pressure at the surface situates to our east and keeps a dry advection on the low layers of the column at flight terminals here. Meanwhile in the upper levels, a weak wave opens up and spills out of the steering northwesterlies, bringing mid-high level bases that saturate down the upper part of the column during the forecast package time. Expect an introduction of VFR CIGS in the process, which should help mitigate the extent of fog formation overnight.

PAH WATCHES/WARNINGS/ADVISORIES

IL...None. MO...None. IN...None. KY...None.

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