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
- A blast of mid September heat is forecast Tuesday-Thursday. Mid 90s high temperatures combined with high humidity will cause heat indices to rise toward/into the triple digits each afternoon. - The heat should break by week's end, when slightly cooler temperatures and a small 15 to 25% chance of thunderstorms returns to the forecast.
DISCUSSION
Issued at 1205 PM CDT Sat Sep 12 2026
A front will be kinda/sorta near us to our north, but offer little real impact here as high pressure reorients and reinforces its grip upon us within the next 48-72 hours. H5 heights here around 588 DM now will see a 595 DM anticyclone center over the lower half of the MS Valley by the end of the weekend, then translate overhead upon its migration to the TN Valley by mid week. Until then, the trailing end of a sagging/nearby front (to the north/west) may offer just enough convergent forcing to yield a 10-20% chance of a shower or storm, mainly on our CWA periphery, before it is effectively pinched off by the building High(s).
After that, it's all high pressure and its impacts, which is moving us AGAIN toward headline heat during the Tue-Thu time frame. A nose of 25C H8 temps ridges across the CWA with the translation of the High, with resultant max temps pushing the mid 90s again. Return flow dew points around 70F/into the lower 70s will make for HI's pushing 100F/into the lower 100s each day.
Some relief may be noted toward the week's end, as the high pressure ridge is in turn pinched off by approaching low pressure from the north and west as well as the south and east, so its slow/steady retreat effectively falls heights here and allows for the potential for small pcpn chances to make a gradual return to the forecast.
AVIATION /18Z TAFS THROUGH 18Z SUNDAY/
Issued at 1205 PM CDT Sat Sep 12 2026
Patches of morning fog early today with associated restricted vsbys/bases may recur tonight, so included that in the midday package. Otherwise anticipate the eventual rise into predominant Visual Flight Rules conditions as the day heats up, similar to today, in the light flow regime.
PAH WATCHES/WARNINGS/ADVISORIES
IL...None. MO...None. IN...None. KY...None.
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