kywx
Kentucky AI Weather Engine

Kentucky AI Forecasting Beta

Sun, Aug 23
Tue, Aug 25
Forecast For

Monday, August 24

Updated Aug 24, 7:15 AM EDT
Confidence
90%

Abundant Sunshine and Seasonal Temps for the Commonwealth

A dry and pleasant late-August day is expected statewide as high pressure remains the dominant weather feature. Skies will be mostly sunny with temperatures ranging from the upper 70s to mid-80s.

Why is this happening?
Technical explanation of the atmospheric setup
Confidence Assessment

Strong agreement between the ECMWF and GFS regarding the dominance of the surface high pressure and dry vertical column. The NAM is currently a wet outlier in a regime typically handled better by global models.

Get Personalized Forecasts

Choose which region in Kentucky you're interested in and we'll always show you that one first. You can change your selected region by clicking the "Star" icon on any regional forecast.

Purchase Area

Paducah, Murray, Mayfield
Sunny and Warm
Sunny
84°/ 61°

Northwest Pennyrile

Owensboro, Henderson, Morganfield
Clear Skies and Calm
Sunny
80°/ 60°

Southwest Pennyrile

Hopkinsville, Madisonville, Princeton
Warmest Spot in the State
Sunny
85°/ 62°

Barren River

Bowling Green, Glasgow, Franklin
Sunny and Pleasant
Sunny
84°/ 60°

Louisville Metro

Louisville, La Grange, Shepherdsville
Bright City Skies
Sunny
81°/ 63°

Lincoln Trail

Elizabethtown, Bardstown, Leitchfield
A Clear Heartland Day
Sunny
81°/ 60°

Lake Cumberland

Somerset, Columbia, Monticello
Sparkling Lake Skies
Sunny
81°/ 59°

Northern Kentucky

Covington, Florence, Independence
Mild and Sunny
Sunny
78°/ 60°

Inner Bluegrass

Lexington, Georgetown, Winchester
Beautiful in the Bluegrass
Sunny
79°/ 60°

Bluegrass Foothills

Richmond, Danville, Berea
Comfortable and Sunny
Sunny
79°/ 59°

Northeast Kentucky

Ashland, Morehead, Grayson
Bright After a Cool Start
Sunny
78°/ 58°

Southeast Kentucky

Hazard, Pikeville, Harlan
Quiet Mountain Weather
Sunny
79°/ 60°

Possible Outcomes

Weather forecasting involves uncertainty. Below are two scenarios representing the range of possible outcomes: the "Boom" scenario shows the worst-case/highest-impact result if conditions align unfavorably, while the "Bust" scenario shows the best-case/lowest-impact result if the forecast doesn't materialize as expected.

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The 'Boom' Scenario

A weak mid-level ripple interacts with slightly higher-than-expected boundary layer moisture to produce a few isolated sprinkles or a brief, non-accumulating light shower, primarily in the Purchase and Northeast regions.

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The 'Bust' Scenario

Complete suppression by the surface high leads to zero cloud cover and slightly higher afternoon temperatures due to maximum solar insolation.

Model Disagreements

When models disagree, a call must be made to determine the most likely outcome. This decision is based on a combination of factors including model performance, historical data, and the models general accounting of each climatic region of Kentucky.

The NAM's Damp Disturbance

The NAM suggests weak shortwave energy and slightly higher low-level moisture will produce scattered light rain showers (80% PoP) with minimal totals, while the GFS and Euro maintain a completely dry profile.

NAM
VS
GFS
VS
EURO
Why EURO Wins

Synoptic-scale subsidence from the 1018mb surface high is better resolved by the global models. NAM's moisture profile appears over-saturated in the 925-850mb layer compared to broader regional trends and historical biases in weak-forcing regimes.

Affected Regions
PURCHASENORTHEAST KYLAKE CUMBERLAND

Technical Analysis

This section provides a deep, physics-based explanation of the weather. Our AI system analyzed multiple atmospheric layers and variables from all available models to synthesize this technical overview.

Below you'll find detailed breakdowns of the atmospheric dynamics that are driving today's forecast, including thermodynamics, kinematics, and hydrology.

Thermodynamics

Stability & Temperatures

How temperature changes with altitude. This determines whether precipitation falls as rain, snow, sleet, or freezing rain based on the vertical temperature profile.

Thermal Profile Overview

A well-mixed boundary layer with a standard adiabatic lapse rate will prevail. A weak subsidence inversion is expected near 800mb, acting as a lid on cloud growth.

Thermal Boundary

No thermal boundaries are present; a uniform airmass is seated over the entire tri-state region.

Diurnal Trend

A classic diurnal curve is anticipated. Efficient radiational cooling overnight will drop temps into the 50s/60s, followed by steady heating under clear skies.

Kinematics

Wind & Energy

Wind patterns and atmospheric energy. Frontal passages, jet stream positioning, and vorticity tell us where and when lift will generate precipitation.

Frontal Passage

None. The region remains in a post-frontal regime with surface high pressure building in from the west.

Jet Stream Support

The 300mb jet is positioned well to the north near the Great Lakes, placing Kentucky in a region of neutral divergence.

Energy Status

Weak cyclonic flow exists aloft, but absolute vorticity remains low (8-10 units), offering no significant lift.

Hydrology

Moisture & Precipitation

Moisture content and precipitation character. This reveals whether the atmosphere is saturated enough to produce precipitation, and what type to expect (steady vs. bursts).

Saturation Status

The atmospheric column is deeply undersaturated. Significant dew point depressions (20-30F) at the surface and dry mid-levels preclude precipitation.

Precipitation Character

N/A - Conditions will remain dry statewide.

Flooding Context

Hydrologic conditions are stable; no concerns.

Celestial Almanac

Moon Phase

Waxing Gibbous

87% Illumination
Moonrise
6:46 PM
Moonset
3:34 AM
Purchase Area
Sunrise
7:19 AM
Sunset
8:36 PM
Civil Dawn
6:52 AM
Civil Dusk
9:03 PM
Northwest Pennyrile
Sunrise
7:13 AM
Sunset
8:31 PM
Civil Dawn
6:45 AM
Civil Dusk
8:58 PM
Southwest Pennyrile
Sunrise
7:15 AM
Sunset
8:31 PM
Civil Dawn
6:48 AM
Civil Dusk
8:58 PM
Barren River
Sunrise
7:11 AM
Sunset
8:27 PM
Civil Dawn
6:44 AM
Civil Dusk
8:54 PM
Louisville Metro
Sunrise
7:07 AM
Sunset
8:26 PM
Civil Dawn
6:39 AM
Civil Dusk
8:54 PM
Lincoln Trail
Sunrise
7:08 AM
Sunset
8:26 PM
Civil Dawn
6:40 AM
Civil Dusk
8:53 PM
Lake Cumberland
Sunrise
7:03 AM
Sunset
8:20 PM
Civil Dawn
6:36 AM
Civil Dusk
8:47 PM
Northern Kentucky
Sunrise
7:00 AM
Sunset
8:22 PM
Civil Dawn
6:32 AM
Civil Dusk
8:50 PM
Inner Bluegrass
Sunrise
7:02 AM
Sunset
8:21 PM
Civil Dawn
6:34 AM
Civil Dusk
8:48 PM
Bluegrass Foothills
Sunrise
7:01 AM
Sunset
8:20 PM
Civil Dawn
6:34 AM
Civil Dusk
8:47 PM
Northeast Kentucky
Sunrise
6:54 AM
Sunset
8:14 PM
Civil Dawn
6:26 AM
Civil Dusk
8:42 PM
Southeast Kentucky
Sunrise
6:58 AM
Sunset
8:15 PM
Civil Dawn
6:30 AM
Civil Dusk
8:42 PM

Dive Deeper Into the Models

This forecast is a synthesis of raw data from the NAM, GFS, ECMWF, and GEM models. These models provide detailed atmospheric analyses including 500mb vorticity, precipitation rates, and more. You can take a look at the raw model data by clicking the links below.