kywx
Kentucky AI Weather Engine

Kentucky AI Forecasting Beta

Fri, May 1
Sun, May 3
Forecast For

Saturday, May 2

Updated May 2, 6:49 AM EDT

NWS Alerts Active This Day

Frost Advisory

May 1, 12:19 PM -> May 2, 4:00 AM
Minor Severity

Frost Advisory issued May 1 at 12:19PM EDT until May 2 at 9:00AM EDT by NWS Wilmington OH

Frost Advisory

May 1, 1:25 PM -> May 1, 10:00 PM
Minor Severity

Frost Advisory issued May 1 at 1:25PM EDT until May 2 at 9:00AM EDT by NWS Charleston WV

Freeze Watch

May 1, 1:25 PM -> May 1, 10:00 PM
Severe Severity

Freeze Watch issued May 1 at 1:25PM EDT until May 3 at 9:00AM EDT by NWS Charleston WV

Freeze Watch

May 1, 1:25 PM -> May 1, 10:00 PM
Severe Severity

Freeze Watch issued May 1 at 1:25PM EDT until May 3 at 9:00AM EDT by NWS Charleston WV

Special Weather Statement

May 1, 1:50 PM -> May 1, 10:00 PM
Moderate Severity

Special Weather Statement issued May 1 at 1:50PM EDT by NWS Jackson KY

Freeze Watch

May 1, 2:29 PM -> May 1, 10:30 PM
Severe Severity

Freeze Watch issued May 1 at 2:29PM EDT until May 3 at 9:00AM EDT by NWS Jackson KY

Special Weather Statement

May 1, 3:22 PM -> May 2, 10:00 AM
Moderate Severity

Special Weather Statement issued May 1 at 3:22PM EDT by NWS Louisville KY

Frost Advisory

May 1, 6:14 PM -> May 2, 5:00 AM
Minor Severity

Frost Advisory issued May 1 at 6:14PM EDT until May 2 at 9:00AM EDT by NWS Charleston WV

Freeze Watch

May 1, 6:14 PM -> May 2, 5:00 AM
Severe Severity

Freeze Watch issued May 1 at 6:14PM EDT until May 3 at 9:00AM EDT by NWS Charleston WV

Freeze Watch

May 1, 6:14 PM -> May 2, 5:00 AM
Severe Severity

Freeze Watch issued May 1 at 6:14PM EDT until May 3 at 9:00AM EDT by NWS Charleston WV

Freeze Watch

May 1, 9:04 PM -> May 2, 9:30 AM
Severe Severity

Freeze Watch issued May 1 at 9:04PM EDT until May 3 at 9:00AM EDT by NWS Jackson KY

Frost Advisory

May 1, 9:04 PM -> May 2, 9:00 AM
Minor Severity

Frost Advisory issued May 1 at 9:04PM EDT until May 2 at 9:00AM EDT by NWS Jackson KY

Freeze Watch

May 1, 9:04 PM -> May 2, 9:30 AM
Severe Severity

Freeze Watch issued May 1 at 9:04PM EDT until May 3 at 9:00AM EDT by NWS Jackson KY

Frost Advisory

May 1, 9:04 PM -> May 2, 9:30 AM
Minor Severity

Frost Advisory issued May 1 at 9:04PM EDT until May 2 at 9:00AM EDT by NWS Jackson KY

Frost Advisory

May 1, 9:22 PM -> May 2, 9:00 AM
Minor Severity

Frost Advisory issued May 1 at 9:22PM EDT until May 2 at 9:00AM EDT by NWS Louisville KY

Special Weather Statement

May 1, 9:26 PM -> May 2, 5:00 AM
Moderate Severity

Special Weather Statement issued May 1 at 9:26PM EDT by NWS Jackson KY

Freeze Watch

May 2, 1:21 AM -> May 2, 9:30 AM
Severe Severity

Freeze Watch issued May 2 at 1:21AM EDT until May 3 at 9:00AM EDT by NWS Charleston WV

Frost Advisory

May 2, 1:21 AM -> May 2, 9:30 AM
Minor Severity

Frost Advisory issued May 2 at 1:21AM EDT until May 2 at 9:00AM EDT by NWS Charleston WV

Freeze Watch

May 2, 1:21 AM -> May 2, 9:30 AM
Severe Severity

Freeze Watch issued May 2 at 1:21AM EDT until May 3 at 9:00AM EDT by NWS Charleston WV

Frost Advisory

May 2, 3:28 AM -> May 2, 9:00 AM
Minor Severity

Frost Advisory issued May 2 at 3:28AM EDT until May 2 at 9:00AM EDT by NWS Wilmington OH

Special Weather Statement

May 2, 4:15 AM -> May 2, 9:00 AM
Moderate Severity

Special Weather Statement issued May 2 at 4:15AM EDT by NWS Wilmington OH

Special Weather Statement

May 2, 4:59 AM -> May 2, 8:00 AM
Moderate Severity

Special Weather Statement issued May 2 at 4:59AM EDT by NWS Jackson KY

Frost Advisory

May 2, 6:39 AM -> May 2, 9:00 AM
Minor Severity

Frost Advisory issued May 2 at 6:39AM EDT until May 2 at 9:00AM EDT by NWS Jackson KY

Freeze Watch

May 2, 6:39 AM -> May 2, 2:45 PM
Severe Severity

Freeze Watch issued May 2 at 6:39AM EDT until May 3 at 9:00AM EDT by NWS Jackson KY

Freeze Watch

May 2, 6:39 AM -> May 2, 2:45 PM
Severe Severity

Freeze Watch issued May 2 at 6:39AM EDT until May 3 at 9:00AM EDT by NWS Jackson KY

Frost Advisory

May 2, 6:39 AM -> May 2, 2:45 PM
Minor Severity

Frost Advisory issued May 2 at 6:39AM EDT until May 2 at 9:00AM EDT by NWS Jackson KY

Frost Advisory

May 2, 11:49 AM -> May 3, 9:00 AM
Minor Severity

Frost Advisory issued May 2 at 11:49AM EDT until May 3 at 9:00AM EDT by NWS Louisville KY

Special Weather Statement

May 2, 12:21 PM -> May 2, 10:00 PM
Moderate Severity

Special Weather Statement issued May 2 at 12:21PM EDT by NWS Louisville KY

Frost Advisory

May 2, 12:24 PM -> May 3, 12:15 AM
Minor Severity

Frost Advisory issued May 2 at 12:24PM EDT until May 3 at 9:00AM EDT by NWS Jackson KY

Freeze Warning

May 2, 12:24 PM -> May 3, 12:15 AM
Moderate Severity

Freeze Warning issued May 2 at 12:24PM EDT until May 3 at 9:00AM EDT by NWS Jackson KY

Freeze Warning

May 2, 12:24 PM -> May 3, 12:15 AM
Moderate Severity

Freeze Warning issued May 2 at 12:24PM EDT until May 3 at 9:00AM EDT by NWS Jackson KY

Frost Advisory

May 2, 1:13 PM -> May 3, 5:00 AM
Minor Severity

Frost Advisory issued May 2 at 1:13PM EDT until May 3 at 9:00AM EDT by NWS Wilmington OH

Special Weather Statement

May 2, 4:12 PM -> May 2, 10:00 PM
Moderate Severity

Special Weather Statement issued May 2 at 4:12PM EDT by NWS Louisville KY

Freeze Warning

May 2, 6:26 PM -> May 3, 5:00 AM
Moderate Severity

Freeze Warning issued May 2 at 6:26PM EDT until May 3 at 9:00AM EDT by NWS Charleston WV

Special Weather Statement

May 2, 6:32 PM -> May 3, 2:00 AM
Moderate Severity

Special Weather Statement issued May 2 at 5:32PM CDT by NWS Paducah KY

Special Weather Statement

May 2, 6:44 PM -> May 3, 1:00 AM
Moderate Severity

Special Weather Statement issued May 2 at 5:44PM CDT by NWS Paducah KY

Confidence
85%

How Did We Do?

Comparing our AI forecast to actual observations from Saturday, May 2, 2026.

Temperature
±2.3°F
Average Error
Precipitation
±1.59"
Average Error
Wind Speed
±4.8mph
Average error

Regional Assessments

Purchase Area

Paducah, Murray, Mayfield
Temperature
Forecast
63° / 44°
Actual
67° / 41°
Error: -4°F high, 3°F low
Precipitation
Forecast
0.03"
Actual
0"
✓ Within forecast range
Wind Speed
Forecast
10 / 18 mph
Actual
5 / 29 mph
Mesonet Stations HCKM, BAND

Northwest Pennyrile

Owensboro, Henderson, Morganfield
Temperature
Forecast
57° / 42°
Actual
62° / 37°
Error: -5°F high, 5°F low
Precipitation
Forecast
0.01"
Actual
6.41"
±6.4" off
Wind Speed
Forecast
9 / 14 mph
Actual
3 / 20 mph
Mesonet Stations FRNY, RPTN, GRHM, DIXO

Southwest Pennyrile

Hopkinsville, Madisonville, Princeton
Temperature
Forecast
62° / 43°
Actual
66° / 34°
Error: -4°F high, 9°F low
Precipitation
Forecast
0.03"
Actual
10.99"
±10.96" off
Wind Speed
Forecast
8 / 16 mph
Actual
4 / 35 mph
Mesonet Stations PRNC, PGHL, ERLN, CADZ, CCTY

Barren River

Bowling Green, Glasgow, Franklin
Temperature
Forecast
62° / 41°
Actual
64° / 38°
Error: -2°F high, 3°F low
Precipitation
Forecast
0.05"
Actual
1.6"
±1.55" off
Wind Speed
Forecast
7 / 14 mph
Actual
3 / 23 mph
Mesonet Stations FARM, WDBY, EWPK

Louisville Metro

Louisville, La Grange, Shepherdsville
Temperature
Forecast
56° / 40°
Actual
55° / 39°
Error: 1°F high, 1°F low
Precipitation
Forecast
0"
Actual
0"
✓ Within forecast range
Wind Speed
Forecast
9 / 14 mph
Actual
5 / 16 mph
Mesonet Stations LGRN

Lincoln Trail

Elizabethtown, Bardstown, Leitchfield
Temperature
Forecast
58° / 41°
Actual
57° / 34°
Error: 1°F high, 7°F low
Precipitation
Forecast
0.01"
Actual
0"
✓ Within forecast range
Wind Speed
Forecast
8 / 13 mph
Actual
3 / 17 mph
Mesonet Stations CRMT, BLRK, CCLA, BRND, HARD

Lake Cumberland

Somerset, Columbia, Monticello
Temperature
Forecast
59° / 41°
Actual
62° / 36°
Error: -3°F high, 5°F low
Precipitation
Forecast
0"
Actual
0.11"
✓ Within forecast range
Wind Speed
Forecast
7 / 14 mph
Actual
3 / 18 mph
Mesonet Stations PCWN, CMBA, GRDR, WOOD, GRBG

Northern Kentucky

Covington, Florence, Independence
Temperature
Forecast
55° / 37°
Actual
55° / 36°
Error: 0°F high, 1°F low
Precipitation
Forecast
0"
Actual
0"
✓ Within forecast range
Wind Speed
Forecast
10 / 18 mph
Actual
4 / 20 mph
Mesonet Stations HHTS, HUEY

Inner Bluegrass

Lexington, Georgetown, Winchester
Temperature
Forecast
56° / 38°
Actual
55° / 36°
Error: 1°F high, 2°F low
Precipitation
Forecast
0"
Actual
0"
✓ Within forecast range
Wind Speed
Forecast
9 / 14 mph
Actual
5 / 16 mph
Mesonet Stations LXGN, SPIN

Bluegrass Foothills

Richmond, Danville, Berea
Temperature
Forecast
56° / 37°
Actual
58° / 37°
Error: -2°F high, 0°F low
Precipitation
Forecast
0"
Actual
0"
✓ Within forecast range
Wind Speed
Forecast
8 / 14 mph
Actual
3 / 12 mph
Mesonet Stations LGNT

Northeast Kentucky

Ashland, Morehead, Grayson
Temperature
Forecast
57° / 36°
Actual
58° / 32°
Error: -1°F high, 4°F low
Precipitation
Forecast
0"
Actual
0"
✓ Within forecast range
Wind Speed
Forecast
9 / 18 mph
Actual
3 / 18 mph
Mesonet Stations MRHD, CHTR

Southeast Kentucky

Hazard, Pikeville, Harlan
Temperature
Forecast
57° / 41°
Actual
61° / 36°
Error: -4°F high, 5°F low
Precipitation
Forecast
0"
Actual
0"
✓ Within forecast range
Wind Speed
Forecast
7 / 14 mph
Actual
3 / 20 mph
Mesonet Stations BMBL, QKSD, BNVL, VEST, RFVC, RFSM, PBDY

Light Evening Showers West; Sunny and Chilly East

A moisture-starved shortwave trough will traverse the Commonwealth on Saturday, bringing chances for light rain and drizzle to Western and Central Kentucky. Eastern Kentucky will remain dry under the influence of departing high pressure, featuring a chilly start followed by a pleasant afternoon.

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

High agreement on the overall temperature trend and the weak nature of the system, but minor timing and placement differences for the very light rainfall prevent a perfect score.

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
Scattered Afternoon Drizzle
Rain
63°/ 44°

Northwest Pennyrile

NUISANCE
Owensboro, Henderson, Morganfield
Cloudy with Light Sprinkles
Rain
57°/ 42°

Southwest Pennyrile

NUISANCE
Hopkinsville, Madisonville, Princeton
Light Evening Showers
Rain
62°/ 43°

Barren River

NUISANCE
Bowling Green, Glasgow, Franklin
Damp Evening Likely
Rain
62°/ 41°

Louisville Metro

Louisville, La Grange, Shepherdsville
Increasing Afternoon Clouds
Cloudy
56°/ 40°

Lincoln Trail

NUISANCE
Elizabethtown, Bardstown, Leitchfield
Few Afternoon Sprinkles
Rain
58°/ 41°

Lake Cumberland

Somerset, Columbia, Monticello
Gray but Dry
Cloudy
59°/ 41°

Northern Kentucky

Covington, Florence, Independence
Bright and Chilly
Sunny
55°/ 37°

Inner Bluegrass

Lexington, Georgetown, Winchester
Sunny for the Horse Capital
Sunny
56°/ 38°

Bluegrass Foothills

Richmond, Danville, Berea
Dry with Afternoon Clouds
Cloudy
56°/ 37°

Northeast Kentucky

Ashland, Morehead, Grayson
Chilly Start, Sunny Afternoon
Sunny
57°/ 36°

Southeast Kentucky

Hazard, Pikeville, Harlan
Quiet Mountain Weather
Cloudy
57°/ 41°

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 low-level moisture advection is stronger than current model consensus, the light rain shield could expand further east, reaching the I-75 corridor by evening and producing widespread totals of 0.10 to 0.15 inches.

💨

The 'Bust' Scenario

A 'Bust' would involve the dry air wedge winning out completely. In this scenario, radar echoes would represent only virga, resulting in zero measurable precipitation at the surface across the entire state.

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 Virga Void

The NAM and GFS show a moisture plume reaching into Central Kentucky, while the GEM and ECMWF are more aggressive with dry air, suggesting rain may evaporate before hitting the ground near Louisville and Lexington.

NAM
VS
GFS
VS
EURO
Why EURO Wins

The ECMWF typically handles sub-cloud dry slots and moisture cutoffs with superior accuracy in weak synoptic setups compared to the NAM's tendency to over-saturate the boundary layer.

Affected Regions
LOUISVILLE METROBLUEGRASS CORELAKE CUMBERLAND

Western Rainfall Intensity

The NAM predicts a 'bullseye' of over 0.15 inches in the Barren River area, while global models keep totals under 0.05 inches.

NAM
VS
GFS
VS
EURO
Why BLEND Wins

While the NAM likely overestimates totals due to its mesoscale convective parameterization, the global models likely underestimate localized terrain-induced drizzle. A blend provides the most realistic expectation.

Affected Regions
BARREN RIVERPURCHASE

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 late-spring lapse rates dominate the column. The boundary layer is well-mixed by afternoon, though shallow nocturnal inversions will lead to a chilly start in the eastern valleys.

Thermal Boundary

The 850mb freezing line is well north of the state, centered over the Great Lakes, ensuring an all-liquid event for Kentucky.

Diurnal Trend

A standard diurnal curve is expected, though warming will be slightly suppressed in the west due to cloud cover and evaporative cooling from light rain.

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 distinct cold front will pass; instead, a weak surface trough will move through between 18Z and 00Z, marked by a light wind shift to the west.

Jet Stream Support

Kentucky sits in a region of modest 300mb flow with little structured jet support, limiting the potential for organized convection.

Energy Status

A compact shortwave trough is the primary driver, providing moderate vorticity advection peaking over Western KY around 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 only saturated below 800mb in the west. In the east, dewpoint depressions of 15-20 degrees Celsius below 700mb will favor virga.

Precipitation Character

Precipitation will be light, stratiform, and intermittent, manifesting as drizzle or light rain showers.

Flooding Context

No flooding risk exists; rainfall totals will be well below the threshold for soil saturation issues.

Celestial Almanac

Moon Phase

Waning Gibbous

99% Illumination
Moonrise
9:12 PM
Moonset
7:11 AM
Purchase Area
Sunrise
7:00 AM
Sunset
8:45 PM
Civil Dawn
6:32 AM
Civil Dusk
9:13 PM
Northwest Pennyrile
Sunrise
6:52 AM
Sunset
8:40 PM
Civil Dawn
6:24 AM
Civil Dusk
9:08 PM
Southwest Pennyrile
Sunrise
6:56 AM
Sunset
8:40 PM
Civil Dawn
6:28 AM
Civil Dusk
9:08 PM
Barren River
Sunrise
6:51 AM
Sunset
8:36 PM
Civil Dawn
6:23 AM
Civil Dusk
9:04 PM
Louisville Metro
Sunrise
6:46 AM
Sunset
8:35 PM
Civil Dawn
6:17 AM
Civil Dusk
9:04 PM
Lincoln Trail
Sunrise
6:47 AM
Sunset
8:35 PM
Civil Dawn
6:19 AM
Civil Dusk
9:03 PM
Lake Cumberland
Sunrise
6:44 AM
Sunset
8:29 PM
Civil Dawn
6:16 AM
Civil Dusk
8:57 PM
Northern Kentucky
Sunrise
6:39 AM
Sunset
8:32 PM
Civil Dawn
6:10 AM
Civil Dusk
9:01 PM
Inner Bluegrass
Sunrise
6:41 AM
Sunset
8:30 PM
Civil Dawn
6:13 AM
Civil Dusk
8:58 PM
Bluegrass Foothills
Sunrise
6:41 AM
Sunset
8:29 PM
Civil Dawn
6:13 AM
Civil Dusk
8:57 PM
Northeast Kentucky
Sunrise
6:33 AM
Sunset
8:23 PM
Civil Dawn
6:04 AM
Civil Dusk
8:52 PM
Southeast Kentucky
Sunrise
6:38 AM
Sunset
8:23 PM
Civil Dawn
6:10 AM
Civil Dusk
8:51 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.