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Kentucky AI Weather Engine

Kentucky AI Forecasting Beta

Tue, Apr 28
Thu, Apr 30
Forecast For

Wednesday, April 29

Updated Apr 29, 7:07 AM EDT

NWS Alerts Active This Day

Severe Thunderstorm Watch

Apr 28, 2:32 PM -> Apr 28, 10:00 PM
Severe Severity

Severe Thunderstorm Watch issued April 28 at 1:32PM CDT until April 28 at 9:00PM CDT by NWS Paducah KY

Severe Thunderstorm Watch

Apr 28, 6:24 PM -> Apr 29, 2:00 AM
Severe Severity

Severe Thunderstorm Watch issued April 28 at 6:24PM EDT until April 29 at 2:00AM EDT by NWS Louisville KY

Severe Thunderstorm Watch

Apr 28, 6:28 PM -> Apr 29, 2:00 AM
Severe Severity

Severe Thunderstorm Watch issued April 28 at 6:28PM EDT until April 29 at 2:00AM EDT by NWS Jackson KY

Severe Thunderstorm Watch

Apr 28, 6:59 PM -> Apr 28, 10:00 PM
Severe Severity

Severe Thunderstorm Watch issued April 28 at 5:59PM CDT until April 28 at 9:00PM CDT by NWS Paducah KY

Severe Thunderstorm Watch

Apr 28, 6:59 PM -> Apr 29, 2:00 AM
Severe Severity

Severe Thunderstorm Watch issued April 28 at 5:59PM CDT until April 29 at 1:00AM CDT by NWS Paducah KY

Special Weather Statement

Apr 28, 7:35 PM -> Apr 28, 8:15 PM
Moderate Severity

Special Weather Statement issued April 28 at 6:35PM CDT by NWS Louisville KY

Special Weather Statement

Apr 29, 2:56 AM -> Apr 29, 3:15 AM
Moderate Severity

Special Weather Statement issued April 29 at 2:56AM EDT by NWS Charleston WV

Confidence
70%

How Did We Do?

Comparing our AI forecast to actual observations from Wednesday, April 29, 2026.

Temperature
±3.8°F
Average Error
Precipitation
±35.45"
Average Error
Wind Speed
±6.8mph
Average error

Regional Assessments

Purchase Area

Paducah, Murray, Mayfield
Temperature
Forecast
68° / 54°
Actual
69° / 58°
Error: -1°F high, -4°F low
Precipitation
Forecast
0.3"
Actual
14.45"
±14.149999999999999" off
Wind Speed
Forecast
14 / 26 mph
Actual
8 / 28 mph
Mesonet Stations HCKM, BAND

Northwest Pennyrile

Owensboro, Henderson, Morganfield
Temperature
Forecast
67° / 52°
Actual
68° / 32°
Error: -1°F high, 20°F low
Precipitation
Forecast
0.55"
Actual
69.6"
±69.05" off
Wind Speed
Forecast
15 / 30 mph
Actual
7 / 26 mph
Mesonet Stations FRNY, RPTN, GRHM, DIXO

Southwest Pennyrile

Hopkinsville, Madisonville, Princeton
Temperature
Forecast
68° / 55°
Actual
69° / 59°
Error: -1°F high, -4°F low
Precipitation
Forecast
0.2"
Actual
82.32"
±82.11999999999999" off
Wind Speed
Forecast
15 / 32 mph
Actual
8 / 36 mph
Mesonet Stations PRNC, PGHL, ERLN, CADZ, CCTY

Barren River

Bowling Green, Glasgow, Franklin
Temperature
Forecast
67° / 54°
Actual
73° / 60°
Error: -6°F high, -6°F low
Precipitation
Forecast
0.1"
Actual
46.5"
±46.4" off
Wind Speed
Forecast
13 / 26 mph
Actual
8 / 32 mph
Mesonet Stations FARM, WDBY, EWPK

Louisville Metro

Louisville, La Grange, Shepherdsville
Temperature
Forecast
66° / 53°
Actual
70° / 57°
Error: -4°F high, -4°F low
Precipitation
Forecast
0.4"
Actual
4.28"
±3.8800000000000003" off
Wind Speed
Forecast
12 / 24 mph
Actual
7 / 31 mph
Mesonet Stations LGRN

Lincoln Trail

Elizabethtown, Bardstown, Leitchfield
Temperature
Forecast
66° / 52°
Actual
71° / 59°
Error: -5°F high, -7°F low
Precipitation
Forecast
0.3"
Actual
86.57"
±86.27" off
Wind Speed
Forecast
14 / 28 mph
Actual
6 / 38 mph
Mesonet Stations CRMT, BLRK, CCLA, BRND, HARD

Lake Cumberland

Somerset, Columbia, Monticello
Temperature
Forecast
69° / 56°
Actual
74° / 59°
Error: -5°F high, -3°F low
Precipitation
Forecast
0.3"
Actual
22.8"
±22.5" off
Wind Speed
Forecast
11 / 25 mph
Actual
6 / 33 mph
Mesonet Stations PCWN, CMBA, GRDR, WOOD, GRBG

Northern Kentucky

Covington, Florence, Independence
Temperature
Forecast
64° / 51°
Actual
70° / 56°
Error: -6°F high, -5°F low
Precipitation
Forecast
0.3"
Actual
9.52"
±9.219999999999999" off
Wind Speed
Forecast
11 / 24 mph
Actual
4 / 22 mph
Mesonet Stations HHTS, HUEY

Inner Bluegrass

Lexington, Georgetown, Winchester
Temperature
Forecast
65° / 53°
Actual
71° / 59°
Error: -6°F high, -6°F low
Precipitation
Forecast
0.5"
Actual
27.08"
±26.58" off
Wind Speed
Forecast
15 / 26 mph
Actual
7 / 35 mph
Mesonet Stations LXGN, SPIN

Bluegrass Foothills

Richmond, Danville, Berea
Temperature
Forecast
66° / 54°
Actual
70° / 59°
Error: -4°F high, -5°F low
Precipitation
Forecast
0.5"
Actual
15.65"
±15.15" off
Wind Speed
Forecast
13 / 25 mph
Actual
4 / 23 mph
Mesonet Stations LGNT

Northeast Kentucky

Ashland, Morehead, Grayson
Temperature
Forecast
67° / 55°
Actual
71° / 59°
Error: -4°F high, -4°F low
Precipitation
Forecast
0.4"
Actual
14.42"
±14.02" off
Wind Speed
Forecast
9 / 24 mph
Actual
3 / 28 mph
Mesonet Stations MRHD, CHTR

Southeast Kentucky

Hazard, Pikeville, Harlan
Temperature
Forecast
69° / 56°
Actual
72° / 58°
Error: -3°F high, -2°F low
Precipitation
Forecast
0.3"
Actual
36.31"
±36.010000000000005" off
Wind Speed
Forecast
10 / 27 mph
Actual
3 / 30 mph
Mesonet Stations BMBL, QKSD, BNVL, VEST, RFVC, RFSM, PBDY

Morning Rain and Breezy Conditions Ahead of a Cold Front

A progressive cold front will traverse Kentucky on Wednesday, bringing a widespread shield of rain during the morning and early afternoon. Skies will clear from west to east by the evening, accompanied by a notable drop in temperatures and breezy conditions.

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

High confidence in rain occurrence and the all-liquid nature of the event. Moderate confidence regarding the exact timing of afternoon clearing and the magnitude of post-frontal wind gusts.

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
Early Morning Rain, Clearing Afternoon
Rain
68°/ 54°

Northwest Pennyrile

NUISANCE
Owensboro, Henderson, Morganfield
Soggy Morning Along the River
Rain
67°/ 52°

Southwest Pennyrile

NUISANCE
Hopkinsville, Madisonville, Princeton
Windy with Passing Morning Showers
Rain
68°/ 55°

Barren River

Bowling Green, Glasgow, Franklin
Breezy with Light Morning Showers
Rain
67°/ 54°

Louisville Metro

NUISANCE
Louisville, La Grange, Shepherdsville
Wet Morning Followed by Evening Clearing
Rain
66°/ 53°

Lincoln Trail

NUISANCE
Elizabethtown, Bardstown, Leitchfield
Rainy and Breezy Across the Ridge
Rain
66°/ 52°

Lake Cumberland

NUISANCE
Somerset, Columbia, Monticello
Showers Persist Through Mid-Afternoon
Rain
69°/ 56°

Northern Kentucky

NUISANCE
Covington, Florence, Independence
Damp and Cool with Lingering Rain
Rain
64°/ 51°

Inner Bluegrass

NUISANCE
Lexington, Georgetown, Winchester
Soggy Morning in the Bluegrass
Rain
65°/ 53°

Bluegrass Foothills

NUISANCE
Richmond, Danville, Berea
Steady Rain Through Noon
Rain
66°/ 54°

Northeast Kentucky

NUISANCE
Ashland, Morehead, Grayson
Afternoon Rain for the Valleys
Rain
67°/ 55°

Southeast Kentucky

NUISANCE
Hazard, Pikeville, Harlan
Mild with Late Day Showers
Rain
69°/ 56°

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

A slower frontal progression allows moisture to pool more effectively, resulting in a soaking rain of 0.75-1.00 inches across the Bluegrass and Eastern Kentucky, with clouds lingering through sunset.

💨

The 'Bust' Scenario

A faster, drier frontal passage limits rainfall to less than 0.20 inches for most, with rapid clearing by midday and a more pleasant, albeit breezy, afternoon.

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 Frontal Sharpness Conflict

The NAM and GFS depict a robust, sharp cold front with a significant temperature drop and higher wind gusts, while the Euro and GEM suggest a decaying, weaker boundary with more gradual cooling.

NAM
VS
GFS
VS
EURO
Why NAM Wins

In spring shortwave setups, mesoscale models like the NAM typically resolve the density gradients of surface cold fronts more accurately than global low-resolution models.

Affected Regions
PURCHASENORTHWEST PENNYRILELOUISVILLE METRONORTHERN KY

The QPF Bullseye Battle

The GFS predicts a heavy rainfall bullseye (0.80+) in the Northwest Pennyrile, while the NAM focuses the highest totals (0.60+) in the Bluegrass Core.

GFS
VS
NAM
Why BLEND Wins

Both models likely suffer from localized convective 'bullseye' biases; a weighted blend provides a more realistic expectation of 0.40-0.60 inches.

Affected Regions
NORTHWEST PENNYRILEBLUEGRASS COREBLUEGRASS FOOTHILLS

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 atmospheric column is well-mixed and entirely above freezing. Pre-frontal profiles are near-moist adiabatic, transitioning to stable post-frontal profiles with a shallow cold pool.

Thermal Boundary

The cold front enters the Purchase region around 09Z, crosses the I-65 corridor by 16Z, and exits the Southeast Coalfields by 02Z Thursday.

Diurnal Trend

A non-diurnal temperature curve is expected for western and central regions; highs will be reached by midday followed by a 10-15 degree drop behind the front before sunset.

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 distinct surface front will be marked by a wind shift from south-southwest to west-northwest, with gusts increasing to 25-30 mph immediately following the boundary.

Jet Stream Support

Strong upper-level divergence is provided by the right-entrance region of a 250mb jet streak, supporting a broad rain shield despite weak surface convergence.

Energy Status

Vorticity is maximized along the leading edge of the shortwave, peaking over Central Kentucky between 12Z and 15Z.

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 from the surface to 400mb ahead of the front. A rapid 'dry slot' moves in behind the front, clearing mid-level moisture by late afternoon.

Precipitation Character

Steady stratiform rain with occasional moderate bursts. No lightning is expected due to negligible CAPE.

Flooding Context

Ground conditions are stable and the system is progressive; no hydrologic concerns exist as totals remain below 1 inch.

Celestial Almanac

Moon Phase

Waxing Gibbous

96% Illumination
Moonrise
7:09 PM
Moonset
5:51 AM
Purchase Area
Sunrise
7:03 AM
Sunset
8:42 PM
Civil Dawn
6:35 AM
Civil Dusk
9:10 PM
Northwest Pennyrile
Sunrise
6:56 AM
Sunset
8:37 PM
Civil Dawn
6:28 AM
Civil Dusk
9:05 PM
Southwest Pennyrile
Sunrise
6:59 AM
Sunset
8:37 PM
Civil Dawn
6:31 AM
Civil Dusk
9:05 PM
Barren River
Sunrise
6:55 AM
Sunset
8:33 PM
Civil Dawn
6:27 AM
Civil Dusk
9:01 PM
Louisville Metro
Sunrise
6:50 AM
Sunset
8:33 PM
Civil Dawn
6:21 AM
Civil Dusk
9:01 PM
Lincoln Trail
Sunrise
6:51 AM
Sunset
8:32 PM
Civil Dawn
6:23 AM
Civil Dusk
9:00 PM
Lake Cumberland
Sunrise
6:47 AM
Sunset
8:26 PM
Civil Dawn
6:19 AM
Civil Dusk
8:54 PM
Northern Kentucky
Sunrise
6:43 AM
Sunset
8:29 PM
Civil Dawn
6:14 AM
Civil Dusk
8:58 PM
Inner Bluegrass
Sunrise
6:45 AM
Sunset
8:27 PM
Civil Dawn
6:17 AM
Civil Dusk
8:55 PM
Bluegrass Foothills
Sunrise
6:45 AM
Sunset
8:26 PM
Civil Dawn
6:17 AM
Civil Dusk
8:54 PM
Northeast Kentucky
Sunrise
6:37 AM
Sunset
8:20 PM
Civil Dawn
6:08 AM
Civil Dusk
8:49 PM
Southeast Kentucky
Sunrise
6:41 AM
Sunset
8:21 PM
Civil Dawn
6:13 AM
Civil Dusk
8:48 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.