textproduct: Louisville
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
* Pleasant weather will continue through the weekend with highs in the 70s.
* A brief warmup will be seen early next week before the next weather system arrives around mid-week.
SHORT TERM /THROUGH SUNDAY NIGHT/
Issued at 319 AM EDT Sat Sep 26 2026
Saturday and Sunday
Surface high pressure will persist over the area for the weekend, along with northeastward flow. High temperatures will remain in the mid to upper 70s with nighttime lows in the mid 50s. Dry air near the surface will keep dewpoints and humidity low. Mostly clear skies will continue with lingering high level clouds. A lovely fall weekend ahead with the cooler temps and dry conditions.
LONG TERM /MONDAY THROUGH FRIDAY/
Issued at 319 AM EDT Sat Sep 26 2026
Monday - Friday Night
As the high pressure begins to shift east of the Ohio Valley on Tuesday, southerly flow will return. This will lead to increasing temperatures back into the mid 80s by mid week. Moisture will also begin to advect back into the area rising dewpoints back into the 60s by Thursday.
A shortwave disturbance is expected to move through the Great Lakes region, while a low pressure system develops over the Plains. Frontal boundaries associated with both systems will bring precip chances back into the forecast Wednesday and Thursday. Rain showers will likely move through the northern half of the area as the northern disturbance moves through. Additional rain showers are expected to move across the area as the second boundary pushes through. This could linger into Friday night as the low pressure system begins to eject into the northern stream.
AVIATION /06Z TAFS THROUGH 12Z SUNDAY/
Issued at 114 AM EDT Sat Sep 26 2026
VFR conditions continue through the forecast period as high pressure holds on over the region. Additionally, dry air near the surface will keep cloud ceilings high and hinder any fog development. Winds will remain out of the NE with fairly light (5-10kts) winds through the day.
LMK WATCHES/WARNINGS/ADVISORIES
KY...None. IN...None.
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