kywx
Kentucky AI Weather Engine

Kentucky AI Forecasting Beta

Mon, Jun 22
Wed, Jun 24
Forecast For

Tuesday, June 23

Updated Jun 23, 7:17 AM EDT

NWS Alerts Active This Day

Flood Watch

Jun 22, 9:14 AM -> Jun 22, 11:00 PM
Severe Severity

Flood Watch issued June 22 at 9:14AM EDT until June 22 at 11:00PM EDT by NWS Jackson KY

Flood Watch

Jun 22, 3:08 PM -> Jun 22, 11:15 PM
Severe Severity

Flood Watch issued June 22 at 3:08PM EDT until June 23 at 11:00AM EDT by NWS Charleston WV

Confidence
85%

Morning Showers East, Afternoon Sun Statewide

A weak upper-level disturbance will exit the Appalachians this morning, leaving behind lingering clouds and light rain for Central and Eastern Kentucky. Western Kentucky will start clear, with high pressure building across the state by the afternoon to provide pleasant conditions for all.

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

High agreement on the overall synoptic transition to high pressure, but minor uncertainty exists regarding the exact hour rain exits the far eastern counties.

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
Bright and Pleasant
Sunny
81°/ 60°

Northwest Pennyrile

Owensboro, Henderson, Morganfield
Sunny and Mild
Sunny
81°/ 61°

Southwest Pennyrile

Hopkinsville, Madisonville, Princeton
Clear Blue Skies
Sunny
80°/ 62°

Barren River

Bowling Green, Glasgow, Franklin
Morning Clouds, Afternoon Sun
Sunny
78°/ 61°

Louisville Metro

Louisville, La Grange, Shepherdsville
Sunny and Warm
Sunny
82°/ 63°

Lincoln Trail

Elizabethtown, Bardstown, Leitchfield
Excellent Outdoor Weather
Sunny
79°/ 63°

Lake Cumberland

NUISANCE
Somerset, Columbia, Monticello
Morning Dampness, Afternoon Sun
Rain
77°/ 63°

Northern Kentucky

Covington, Florence, Independence
Clear and Bright
Sunny
80°/ 61°

Inner Bluegrass

NUISANCE
Lexington, Georgetown, Winchester
Early Morning Drizzle, Brighter Afternoon
Rain
77°/ 62°

Bluegrass Foothills

NUISANCE
Richmond, Danville, Berea
Morning Showers, Turning Sunny
Rain
77°/ 62°

Northeast Kentucky

NUISANCE
Ashland, Morehead, Grayson
Cloudy Morning, Nice Afternoon
Rain
80°/ 62°

Southeast Kentucky

NUISANCE
Hazard, Pikeville, Harlan
Damp Start in the Mountains
Rain
71°/ 61°

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.

💥

The 'Boom' Scenario

The 'Boom' scenario involves orographic enhancement in the Southeast Coalfields and a slower trough progression, which could lead to rainfall totals near 0.50 inches and persistent cloud cover in the Bluegrass through sunset.

💨

The 'Bust' Scenario

The 'Bust' scenario assumes the mid-level dry slot arrives earlier than modeled, cutting off precipitation by dawn and allowing skies to clear across the entire state by mid-morning.

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 Low-Level Cloud Hangover

NAM soundings show moisture trapped under a weak 850mb inversion in Central Kentucky, suggesting clouds linger through noon, while GFS/Euro suggest rapid clearing.

NAM
VS
GFS
VS
EURO
Why NAM Wins

The NAM typically resolves shallow, low-level moisture and topographic trapping along the escarpment better than global models within the 24-hour window.

Affected Regions
BLUEGRASS CORELINCOLN TRAILLOUISVILLE METRO

Southeast Rainfall Magnitude

The GFS is significantly more aggressive with precipitation totals in the Southeast Coalfields (0.36 inches) compared to the NAM and Euro (0.11-0.16 inches).

GFS
VS
NAM
VS
EURO
Why EURO Wins

The GFS is displaying its known 'smear' bias, over-forecasting light precipitation coverage and intensity in a post-frontal regime. The Euro provides a more realistic middle-ground for stratiform rain in this setup.

Affected Regions
SOUTHEAST COALFIELDS

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

Standard post-frontal profile with a saturated boundary layer in the east and a dry, adiabatic profile in the west.

Thermal Boundary

The primary thermal boundary is well south of the state, stalled along the Gulf Coast.

Diurnal Trend

Standard diurnal curves in the west; dampened curves in the east due to morning cloud cover and light evaporative cooling.

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

The state is in a post-frontal regime; the wind shift to the west-northwest occurred prior to the forecast period.

Jet Stream Support

Kentucky sits in a neutral to slightly subsident region behind the exit region of the Great Lakes jet streak.

Energy Status

A compact shortwave trough is currently pivoting through the Bluegrass and Coalfields.

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

Saturated below 700mb in the east; very dry aloft (above 500mb) statewide.

Precipitation Character

Stratiform light rain and drizzle; zero convective potential (CAPE is 0).

Flooding Context

No flooding risk; ground is receptive and totals are under 0.25 inches for most.

Celestial Almanac

Moon Phase

Waxing Gibbous

66% Illumination
Moonrise
3:49 PM
Moonset
2:19 AM
Purchase Area
Sunrise
6:36 AM
Sunset
9:19 PM
Civil Dawn
6:05 AM
Civil Dusk
9:50 PM
Northwest Pennyrile
Sunrise
6:28 AM
Sunset
9:15 PM
Civil Dawn
5:57 AM
Civil Dusk
9:46 PM
Southwest Pennyrile
Sunrise
6:32 AM
Sunset
9:14 PM
Civil Dawn
6:01 AM
Civil Dusk
9:44 PM
Barren River
Sunrise
6:28 AM
Sunset
9:10 PM
Civil Dawn
5:57 AM
Civil Dusk
9:41 PM
Louisville Metro
Sunrise
6:21 AM
Sunset
9:11 PM
Civil Dawn
5:49 AM
Civil Dusk
9:42 PM
Lincoln Trail
Sunrise
6:23 AM
Sunset
9:10 PM
Civil Dawn
5:52 AM
Civil Dusk
9:41 PM
Lake Cumberland
Sunrise
6:20 AM
Sunset
9:03 PM
Civil Dawn
5:49 AM
Civil Dusk
9:34 PM
Northern Kentucky
Sunrise
6:14 AM
Sunset
9:08 PM
Civil Dawn
5:41 AM
Civil Dusk
9:41 PM
Inner Bluegrass
Sunrise
6:17 AM
Sunset
9:05 PM
Civil Dawn
5:45 AM
Civil Dusk
9:37 PM
Bluegrass Foothills
Sunrise
6:17 AM
Sunset
9:03 PM
Civil Dawn
5:46 AM
Civil Dusk
9:35 PM
Northeast Kentucky
Sunrise
6:08 AM
Sunset
8:59 PM
Civil Dawn
5:36 AM
Civil Dusk
9:31 PM
Southeast Kentucky
Sunrise
6:14 AM
Sunset
8:58 PM
Civil Dawn
5:43 AM
Civil Dusk
9:29 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.