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Kentucky AI Weather Engine

Kentucky AI Forecasting Beta

Sun, May 31
Tue, Jun 2
Forecast For

Monday, June 1

Updated May 31, 7:09 PM EDT

NWS Alerts Active This Day

Flood Warning

May 31, 11:38 AM -> Jun 1, 1:45 PM
Severe Severity

Flood Warning issued May 31 at 10:38AM CDT until June 3 at 1:00PM CDT by NWS Paducah KY

Special Weather Statement

Jun 1, 6:49 AM -> Jun 1, 7:30 AM
Moderate Severity

Special Weather Statement issued June 1 at 5:49AM CDT by NWS Paducah KY

Flood Advisory

Jun 1, 7:13 AM -> Jun 1, 10:15 AM
Minor Severity

Flood Advisory issued June 1 at 6:13AM CDT until June 1 at 9:15AM CDT by NWS Paducah KY

Special Weather Statement

Jun 1, 7:31 AM -> Jun 1, 8:15 AM
Moderate Severity

Special Weather Statement issued June 1 at 6:31AM CDT by NWS Paducah KY

Severe Thunderstorm Warning

Jun 1, 7:58 AM -> Jun 1, 8:45 AM
Severe Severity

Severe Thunderstorm Warning issued June 1 at 6:58AM CDT until June 1 at 7:45AM CDT by NWS Paducah KY

Severe Thunderstorm Warning

Jun 1, 8:13 AM -> Jun 1, 8:45 AM
Severe Severity

Severe Thunderstorm Warning issued June 1 at 7:13AM CDT until June 1 at 7:45AM CDT by NWS Paducah KY

Flood Advisory

Jun 1, 8:48 AM -> Jun 1, 12:00 PM
Minor Severity

Flood Advisory issued June 1 at 7:48AM CDT until June 1 at 11:00AM CDT by NWS Paducah KY

Flash Flood Warning

Jun 1, 9:04 AM -> Jun 1, 3:15 PM
Severe Severity

Flash Flood Warning issued June 1 at 8:04AM CDT until June 1 at 2:15PM CDT by NWS Paducah KY

Flood Advisory

Jun 1, 10:41 AM -> Jun 1, 1:45 PM
Minor Severity

Flood Advisory issued June 1 at 9:41AM CDT until June 1 at 12:45PM CDT by NWS Paducah KY

Flash Flood Warning

Jun 1, 10:44 AM -> Jun 1, 3:15 PM
Severe Severity

Flash Flood Warning issued June 1 at 9:44AM CDT until June 1 at 2:15PM CDT by NWS Paducah KY

Flood Warning

Jun 1, 1:00 PM -> Jun 2, 2:00 PM
Severe Severity

Flood Warning issued June 1 at 12:00PM CDT until June 2 at 1:00PM CDT by NWS Paducah KY

Confidence
85%

A Mild Start to June with Scattered Showers West

A weak mid-level disturbance will drift across the Tennessee Valley today, bringing cloud cover and scattered light rain to Western and Southern Kentucky. Most of Central and Eastern Kentucky will remain dry and pleasant under the influence of high pressure centered to the north. Breezy conditions are expected to develop across the central corridor this evening.

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

High agreement on the temperature gradient and the dry forecast for Eastern KY. Lower confidence on the exact northern extent and intensity of the rain shield in Western KY.

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
Occasional Showers and Clouds
Rain
82°/ 67°

Northwest Pennyrile

NUISANCE
Owensboro, Henderson, Morganfield
Mostly Cloudy with Light Rain
Rain
81°/ 65°

Southwest Pennyrile

NUISANCE
Hopkinsville, Madisonville, Princeton
Showery Afternoon Expected
Rain
81°/ 67°

Barren River

Bowling Green, Glasgow, Franklin
Morning Clouds and Afternoon Sprinkles
Rain
81°/ 67°

Louisville Metro

NUISANCE
Louisville, La Grange, Shepherdsville
Warm and Breezy Evening
Cloudy
81°/ 64°

Lincoln Trail

Elizabethtown, Bardstown, Leitchfield
Gray Skies and Evening Breezes
Cloudy
80°/ 63°

Lake Cumberland

Somerset, Columbia, Monticello
Mild and Mostly Cloudy
Cloudy
79°/ 62°

Northern Kentucky

Covington, Florence, Independence
A Beautiful June Day
Sunny
74°/ 59°

Inner Bluegrass

Lexington, Georgetown, Winchester
Sunny and Pleasant with Evening Breezes
Sunny
77°/ 60°

Bluegrass Foothills

Richmond, Danville, Berea
Bright and Comfortable
Sunny
77°/ 59°

Northeast Kentucky

Ashland, Morehead, Grayson
Mild with Plenty of Sun
Sunny
72°/ 54°

Southeast Kentucky

Hazard, Pikeville, Harlan
Sunny Skies in the Mountains
Sunny
77°/ 58°

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

If the shortwave energy tracks slightly further north and moisture deepens, rain totals in the Purchase could approach 1.0 inch, with light measurable rain spreading as far east as the Bluegrass Core.

💨

The 'Bust' Scenario

Should dry air in the mid-levels prove more resilient, the rain will manifest largely as virga or light sprinkles, leaving even the westernmost counties with less than a tenth of an inch of accumulation.

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 Evening Gust Gambit

The NAM and GFS suggest a period of 25-30 mph gusts in Central KY this evening due to a tightening pressure gradient, while the Euro remains much calmer.

NAM
VS
GFS
VS
EURO
Why NAM Wins

The NAM typically resolves boundary layer mixing and low-level jet momentum transfer better than the global models in the 0-24 hour window.

Affected Regions
LOUISVILLE METROBLUEGRASS CORELINCOLN TRAIL

The Purchase Precipitation Divide

Models are in significant disagreement regarding the rainfall intensity in the far west. The GFS is aggressive with nearly an inch of rain, while the NAM remains almost entirely dry, suggesting the moisture remains south of the border.

NAM
VS
GFS
VS
EURO
Why EURO Wins

The Euro provides a realistic middle ground, accounting for the modest lift of the shortwave without the GFS's tendency to over-saturate the column or the NAM's dry bias in weak synoptic setups.

Affected Regions
PURCHASESOUTHWEST PENNYRILE

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 standard summer-like adiabatic lapse rate is present. 850mb temperatures range from 14C in the north to 18C in the south, ensuring all precipitation remains in liquid form.

Thermal Boundary

The main thermal boundary is stalled well to the north near the Great Lakes, leaving Kentucky firmly in a modified maritime tropical air mass.

Diurnal Trend

A standard diurnal curve is expected, though peak heating will be truncated by 3-5 degrees in the west due to thick mid-level cloud cover.

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

No surface frontal passage is expected. Wind shifts will be gradual and tied to the movement of the mid-level vort max.

Jet Stream Support

The right-entrance region of a 110kt upper-level jet provides synoptic-scale ascent over the Southwest regions.

Energy Status

A compact shortwave trough is the primary energy source, with a pulse of positive vorticity advection (PVA) crossing the state between 12z and 21z.

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 saturated between 850mb and 500mb in the west, while the east remains dry. Large dewpoint depressions at the surface in Central KY suggest a high risk of virga.

Precipitation Character

Precipitation will be stratiform and light. The lack of CAPE (0 J/kg) indicates no risk of thunderstorms.

Flooding Context

Ground conditions are receptive and QPF totals are low; no flooding is anticipated.

Celestial Almanac

Moon Phase

Waning Gibbous

99% Illumination
Moonrise
9:59 PM
Moonset
7:11 AM
Purchase Area
Sunrise
6:37 AM
Sunset
9:09 PM
Civil Dawn
6:07 AM
Civil Dusk
9:40 PM
Northwest Pennyrile
Sunrise
6:29 AM
Sunset
9:05 PM
Civil Dawn
5:59 AM
Civil Dusk
9:36 PM
Southwest Pennyrile
Sunrise
6:33 AM
Sunset
9:04 PM
Civil Dawn
6:03 AM
Civil Dusk
9:34 PM
Barren River
Sunrise
6:29 AM
Sunset
9:01 PM
Civil Dawn
5:59 AM
Civil Dusk
9:31 PM
Louisville Metro
Sunrise
6:22 AM
Sunset
9:01 PM
Civil Dawn
5:51 AM
Civil Dusk
9:32 PM
Lincoln Trail
Sunrise
6:24 AM
Sunset
9:00 PM
Civil Dawn
5:54 AM
Civil Dusk
9:31 PM
Lake Cumberland
Sunrise
6:21 AM
Sunset
8:53 PM
Civil Dawn
5:51 AM
Civil Dusk
9:24 PM
Northern Kentucky
Sunrise
6:15 AM
Sunset
8:59 PM
Civil Dawn
5:44 AM
Civil Dusk
9:30 PM
Inner Bluegrass
Sunrise
6:18 AM
Sunset
8:56 PM
Civil Dawn
5:47 AM
Civil Dusk
9:26 PM
Bluegrass Foothills
Sunrise
6:18 AM
Sunset
8:54 PM
Civil Dawn
5:47 AM
Civil Dusk
9:25 PM
Northeast Kentucky
Sunrise
6:09 AM
Sunset
8:49 PM
Civil Dawn
5:38 AM
Civil Dusk
9:21 PM
Southeast Kentucky
Sunrise
6:15 AM
Sunset
8:48 PM
Civil Dawn
5:45 AM
Civil Dusk
9:19 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.