kywx
Kentucky AI Weather Engine

Kentucky AI Forecasting Beta

Fri, May 22
Sun, May 24
Forecast For

Saturday, May 23

Updated May 23, 6:53 AM EDT

NWS Alerts Active This Day

Flood Watch

May 22, 11:50 AM -> May 23, 5:00 AM
Severe Severity

Flood Watch issued May 22 at 11:50AM EDT until May 23 at 5:00AM EDT by NWS Louisville KY

Flood Watch

May 22, 11:50 AM -> May 23, 5:00 AM
Severe Severity

Flood Watch issued May 22 at 11:50AM EDT until May 23 at 5:00AM EDT by NWS Louisville KY

Flood Watch

May 22, 12:23 PM -> May 22, 11:00 PM
Severe Severity

Flood Watch issued May 22 at 12:23PM EDT until May 23 at 5:00AM EDT by NWS Wilmington OH

Flood Watch

May 22, 12:34 PM -> May 22, 8:45 PM
Severe Severity

Flood Watch issued May 22 at 12:34PM EDT until May 23 at 8:00AM EDT by NWS Charleston WV

Flood Watch

May 22, 12:54 PM -> May 22, 9:00 PM
Severe Severity

Flood Watch issued May 22 at 12:54PM EDT until May 23 at 8:00AM EDT by NWS Jackson KY

Flood Watch

May 22, 7:14 PM -> May 23, 8:00 AM
Severe Severity

Flood Watch issued May 22 at 7:14PM EDT until May 23 at 8:00AM EDT by NWS Jackson KY

Flood Watch

May 22, 7:57 PM -> May 23, 4:00 AM
Severe Severity

Flood Watch issued May 22 at 7:57PM EDT until May 23 at 8:00AM EDT by NWS Charleston WV

Flood Advisory

May 22, 8:37 PM -> May 22, 11:45 PM
Minor Severity

Flood Advisory issued May 22 at 7:37PM CDT until May 22 at 10:45PM CDT by NWS Louisville KY

Flood Advisory

May 22, 8:45 PM -> May 22, 11:45 PM
Minor Severity

Flood Advisory issued May 22 at 8:45PM EDT until May 22 at 11:45PM EDT by NWS Wilmington OH

Flood Watch

May 22, 8:58 PM -> May 23, 5:00 AM
Severe Severity

Flood Watch issued May 22 at 8:58PM EDT until May 23 at 5:00AM EDT by NWS Wilmington OH

Flash Flood Warning

May 22, 9:30 PM -> May 23, 12:30 AM
Severe Severity

Flash Flood Warning issued May 22 at 8:30PM CDT until May 22 at 11:30PM CDT by NWS Louisville KY

Flash Flood Warning

May 22, 10:05 PM -> May 23, 1:15 AM
Severe Severity

Flash Flood Warning issued May 22 at 10:05PM EDT until May 23 at 1:15AM EDT by NWS Louisville KY

Flood Advisory

May 22, 10:14 PM -> May 23, 1:15 AM
Minor Severity

Flood Advisory issued May 22 at 10:14PM EDT until May 23 at 1:15AM EDT by NWS Louisville KY

Special Weather Statement

May 22, 10:47 PM -> May 22, 11:15 PM
Moderate Severity

Special Weather Statement issued May 22 at 10:47PM EDT by NWS Louisville KY

Flood Advisory

May 22, 10:50 PM -> May 23, 2:00 AM
Minor Severity

Flood Advisory issued May 22 at 9:50PM CDT until May 23 at 1:00AM CDT by NWS Louisville KY

Flood Warning

May 23, 2:56 AM -> May 23, 3:00 PM
Severe Severity

Flood Warning issued May 23 at 2:56AM EDT until May 23 at 4:45PM EDT by NWS Wilmington OH

Flood Watch

May 23, 3:53 AM -> May 23, 1:00 PM
Severe Severity

Flood Watch issued May 23 at 3:53AM EDT until May 23 at 11:00PM EDT by NWS Charleston WV

Flood Watch

May 23, 3:59 AM -> May 23, 12:00 PM
Severe Severity

Flood Watch issued May 23 at 3:59AM EDT until May 23 at 12:00PM EDT by NWS Louisville KY

Flood Watch

May 23, 4:00 AM -> May 23, 12:15 PM
Severe Severity

Flood Watch issued May 23 at 4:00AM EDT until May 23 at 11:00PM EDT by NWS Jackson KY

Flood Watch

May 23, 4:48 AM -> May 23, 1:00 PM
Severe Severity

Flood Watch issued May 23 at 4:48AM EDT until May 23 at 6:00PM EDT by NWS Wilmington OH

Confidence
70%

Soaking Rain and Gusty Winds Sweep Across Kentucky

A widespread rain event will impact the Commonwealth on Saturday, bringing soaking showers to the central and western regions during the morning before shifting into Eastern Kentucky by the afternoon. All regions will experience breezy conditions with gusts between 30-40 mph.

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

High confidence in precipitation type (all rain) and timing, but moderate confidence in the magnitude of rainfall in Western KY due to the NAM's outlier QPF totals.

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

NUISANCE
Paducah, Murray, Mayfield
Morning Showers with Afternoon Clearing
Rain
77°/ 64°

Northwest Pennyrile

NUISANCE
Owensboro, Henderson, Morganfield
Steady Rain Through Midday
Rain
75°/ 63°

Southwest Pennyrile

NUISANCE
Hopkinsville, Madisonville, Princeton
Breezy with Significant Morning Rain
Rain
75°/ 66°

Barren River

NUISANCE
Bowling Green, Glasgow, Franklin
Soggy and Windy Saturday
Rain
75°/ 66°

Louisville Metro

IMPACTFUL
Louisville, La Grange, Shepherdsville
Wet Morning Commute; Heavy Rain Likely
Rain
73°/ 65°

Lincoln Trail

NUISANCE
Elizabethtown, Bardstown, Leitchfield
Windy with Periodic Showers
Rain
73°/ 65°

Lake Cumberland

NUISANCE
Somerset, Columbia, Monticello
Rain Increasing Through Midday
Rain
74°/ 66°

Northern Kentucky

NUISANCE
Covington, Florence, Independence
Steady Rain and Breezy Conditions
Rain
71°/ 65°

Inner Bluegrass

NUISANCE
Lexington, Georgetown, Winchester
Soaking Rain and Gusty Winds for Lexington
Rain
72°/ 65°

Bluegrass Foothills

NUISANCE
Richmond, Danville, Berea
Showers and Blustery Skies
Rain
73°/ 65°

Northeast Kentucky

NUISANCE
Ashland, Morehead, Grayson
Very Windy with Late-Arriving Rain
Rain
77°/ 63°

Southeast Kentucky

Hazard, Pikeville, Harlan
Breezy and Humid; Late Rain Showers
Rain
75°/ 65°

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: If the NAM's aggressive moisture convergence verifies, localized rainfall totals in Southwest Kentucky could exceed 2.5 inches, leading to flash flooding, while wind gusts statewide reach 45 mph.

💨

The 'Bust' Scenario

The 'Bust' Scenario: If dry air entrainment from the Appalachians is stronger than modeled, rain totals may struggle to reach 0.25 inches for most, with the system moving through as a mainly overcast, windy, but light-drizzle event.

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.

Boundary Layer Momentum Battle

Disagreement exists regarding peak wind gusts; NAM and GFS suggest 35-40 mph gusts due to efficient mixing of the low-level jet, while the Euro remains much calmer at 20 mph.

NAM
VS
GFS
VS
EURO
Why NAM Wins

In pre-frontal and warm-sector setups with a 40-50kt low-level jet, the NAM and GFS typically resolve momentum transfer more accurately than the typically conservative Euro.

Affected Regions
BLUEGRASS CORELINCOLN TRAILNORTHEAST KY

The Pennyrile Precipitation Peak

The NAM is an extreme outlier, predicting over 2.7 inches of rain for Hopkinsville, while the GFS, Euro, and GEM maintain a much drier solution under 0.5 inches.

NAM
VS
GFS
VS
EURO
Why BLEND Wins

While the NAM often resolves convective moisture surges better, its 2.7-inch bullseye is a classic mesoscale outlier not supported by the broader synoptic forcing seen in the global models. A weighted blend that respects the NAM's signal but favors the lower global consensus is the most prudent path.

Affected Regions
SOUTHWEST PENNYRILEBARREN RIVER

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

The vertical column is strictly above freezing from the surface to roughly 12,000 feet. The environment is moist-adiabatic with no low-level inversions present.

Thermal Boundary

The primary thermal boundary is a prograding warm front moving from the I-65 corridor toward the I-75 corridor between 12Z and 18Z.

Diurnal Trend

Non-diurnal temperature trends will be common; widespread cloud cover and precipitation will limit the diurnal spread to less than 12 degrees in most locations.

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

A weak pre-frontal trough passes between 06Z and 12Z, followed by a wind shift to the southwest as the core of the system moves through.

Jet Stream Support

Strong synoptic lift is provided by the right-entrance region of a 110kt 250mb jet streak.

Energy Status

A compact shortwave trough with a vorticity peak of 0.00073 kg/s is the primary engine for the morning rain.

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 column is deeply saturated (RH > 90%) in the west and central regions, while the Northeast faces an early virga risk due to a dry layer below 850mb.

Precipitation Character

The event will be primarily stratiform with small droplet sizes, though some embedded convective elements are likely in the Pennyrile.

Flooding Context

Ground conditions are unsaturated, but high hourly rain rates (0.75"/hr) in the NAM solution suggest a localized risk for urban ponding.

Celestial Almanac

Moon Phase

First Quarter

50% Illumination
Moonrise
1:45 PM
Moonset
2:38 AM
Purchase Area
Sunrise
6:41 AM
Sunset
9:03 PM
Civil Dawn
6:12 AM
Civil Dusk
9:32 PM
Northwest Pennyrile
Sunrise
6:34 AM
Sunset
8:59 PM
Civil Dawn
6:04 AM
Civil Dusk
9:29 PM
Southwest Pennyrile
Sunrise
6:38 AM
Sunset
8:58 PM
Civil Dawn
6:08 AM
Civil Dusk
9:27 PM
Barren River
Sunrise
6:33 AM
Sunset
8:54 PM
Civil Dawn
6:04 AM
Civil Dusk
9:24 PM
Louisville Metro
Sunrise
6:27 AM
Sunset
8:54 PM
Civil Dawn
5:57 AM
Civil Dusk
9:25 PM
Lincoln Trail
Sunrise
6:29 AM
Sunset
8:53 PM
Civil Dawn
5:59 AM
Civil Dusk
9:23 PM
Lake Cumberland
Sunrise
6:25 AM
Sunset
8:47 PM
Civil Dawn
5:56 AM
Civil Dusk
9:16 PM
Northern Kentucky
Sunrise
6:20 AM
Sunset
8:52 PM
Civil Dawn
5:49 AM
Civil Dusk
9:22 PM
Inner Bluegrass
Sunrise
6:23 AM
Sunset
8:49 PM
Civil Dawn
5:52 AM
Civil Dusk
9:19 PM
Bluegrass Foothills
Sunrise
6:23 AM
Sunset
8:47 PM
Civil Dawn
5:52 AM
Civil Dusk
9:17 PM
Northeast Kentucky
Sunrise
6:14 AM
Sunset
8:43 PM
Civil Dawn
5:44 AM
Civil Dusk
9:13 PM
Southeast Kentucky
Sunrise
6:19 AM
Sunset
8:42 PM
Civil Dawn
5:50 AM
Civil Dusk
9:11 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.