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Kentucky AI Weather Engine

Kentucky AI Forecasting Beta

Sun, Apr 26
Tue, Apr 28
Forecast For

Monday, April 27

Updated Apr 27, 6:51 AM EDT

NWS Alerts Active This Day

Severe Thunderstorm Watch

Apr 27, 7:46 AM -> Apr 27, 11:00 AM
Severe Severity

Severe Thunderstorm Watch issued April 27 at 6:46AM CDT until April 27 at 10:00AM CDT by NWS Paducah KY

Tornado Watch

Apr 27, 3:46 PM -> Apr 28, 12:00 AM
Extreme Severity

Tornado Watch issued April 27 at 2:46PM CDT until April 27 at 11:00PM CDT by NWS Paducah KY

Tornado Watch

Apr 27, 3:46 PM -> Apr 28, 12:00 AM
Extreme Severity

Tornado Watch issued April 27 at 2:46PM CDT until April 27 at 11:00PM CDT by NWS Paducah KY

Severe Thunderstorm Watch

Apr 27, 6:35 PM -> Apr 27, 9:00 PM
Severe Severity

Severe Thunderstorm Watch issued April 27 at 6:35PM EDT until April 27 at 9:00PM EDT by NWS Louisville KY

Confidence
90%

How Did We Do?

Comparing our AI forecast to actual observations from Monday, April 27, 2026.

Temperature
±3.1°F
Average Error
Precipitation
±2.23"
Average Error
Wind Speed
±7.8mph
Average error

Regional Assessments

Purchase Area

Paducah, Murray, Mayfield
Temperature
Forecast
80° / 64°
Actual
83° / 65°
Error: -3°F high, -1°F low
Precipitation
Forecast
1.25"
Actual
2.14"
±0.8900000000000001" off
Wind Speed
Forecast
18 / 43 mph
Actual
9 / 35 mph
Mesonet Stations HCKM, BAND

Northwest Pennyrile

Owensboro, Henderson, Morganfield
Temperature
Forecast
77° / 59°
Actual
83° / 61°
Error: -6°F high, -2°F low
Precipitation
Forecast
0.75"
Actual
4"
±3.25" off
Wind Speed
Forecast
18 / 39 mph
Actual
10 / 43 mph
Mesonet Stations FRNY, RPTN, GRHM, DIXO

Southwest Pennyrile

Hopkinsville, Madisonville, Princeton
Temperature
Forecast
82° / 61°
Actual
84° / 57°
Error: -2°F high, 4°F low
Precipitation
Forecast
0.5"
Actual
0.54"
✓ Within forecast range
Wind Speed
Forecast
20 / 41 mph
Actual
10 / 36 mph
Mesonet Stations PRNC, PGHL, ERLN, CADZ, CCTY

Barren River

Bowling Green, Glasgow, Franklin
Temperature
Forecast
80° / 59°
Actual
86° / 53°
Error: -6°F high, 6°F low
Precipitation
Forecast
0.1"
Actual
0"
✓ Within forecast range
Wind Speed
Forecast
18 / 40 mph
Actual
9 / 36 mph
Mesonet Stations FARM, WDBY, EWPK

Louisville Metro

Louisville, La Grange, Shepherdsville
Temperature
Forecast
76° / 56°
Actual
75° / 51°
Error: 1°F high, 5°F low
Precipitation
Forecast
0.4"
Actual
17.56"
±17.16" off
Wind Speed
Forecast
17 / 43 mph
Actual
9 / 37 mph
Mesonet Stations LGRN

Lincoln Trail

Elizabethtown, Bardstown, Leitchfield
Temperature
Forecast
78° / 54°
Actual
82° / 50°
Error: -4°F high, 4°F low
Precipitation
Forecast
0.1"
Actual
0.07"
✓ Within forecast range
Wind Speed
Forecast
18 / 44 mph
Actual
7 / 34 mph
Mesonet Stations CRMT, BLRK, CCLA, BRND, HARD

Lake Cumberland

Somerset, Columbia, Monticello
Temperature
Forecast
78° / 57°
Actual
84° / 32°
Error: -6°F high, 25°F low
Precipitation
Forecast
0"
Actual
0"
✓ Within forecast range
Wind Speed
Forecast
14 / 40 mph
Actual
5 / 32 mph
Mesonet Stations PCWN, CMBA, GRDR, WOOD, GRBG

Northern Kentucky

Covington, Florence, Independence
Temperature
Forecast
78° / 51°
Actual
77° / 48°
Error: 1°F high, 3°F low
Precipitation
Forecast
0.6"
Actual
5.85"
±5.25" off
Wind Speed
Forecast
13 / 35 mph
Actual
5 / 26 mph
Mesonet Stations HHTS, HUEY

Inner Bluegrass

Lexington, Georgetown, Winchester
Temperature
Forecast
78° / 52°
Actual
81° / 49°
Error: -3°F high, 3°F low
Precipitation
Forecast
0"
Actual
0"
✓ Within forecast range
Wind Speed
Forecast
18 / 45 mph
Actual
10 / 32 mph
Mesonet Stations LXGN, SPIN

Bluegrass Foothills

Richmond, Danville, Berea
Temperature
Forecast
81° / 53°
Actual
81° / 49°
Error: 0°F high, 4°F low
Precipitation
Forecast
0"
Actual
0"
✓ Within forecast range
Wind Speed
Forecast
12 / 40 mph
Actual
7 / 26 mph
Mesonet Stations LGNT

Northeast Kentucky

Ashland, Morehead, Grayson
Temperature
Forecast
81° / 50°
Actual
82° / 40°
Error: -1°F high, 10°F low
Precipitation
Forecast
0"
Actual
0"
✓ Within forecast range
Wind Speed
Forecast
8 / 25 mph
Actual
4 / 19 mph
Mesonet Stations MRHD, CHTR

Southeast Kentucky

Hazard, Pikeville, Harlan
Temperature
Forecast
80° / 52°
Actual
84° / 46°
Error: -4°F high, 6°F low
Precipitation
Forecast
0"
Actual
0"
✓ Within forecast range
Wind Speed
Forecast
7 / 20 mph
Actual
3 / 20 mph
Mesonet Stations BMBL, QKSD, BNVL, VEST, RFVC, RFSM, PBDY

Blustery and Warm with Heavy Rain West; Dry/Windy East

A vigorous spring cold front will sweep across the Commonwealth on Monday, creating a sharp east-west divide in weather conditions. Western Kentucky faces a period of soaking rain and localized heavy totals, while Central and Eastern Kentucky remain largely dry but contend with significant wind gusts and unseasonably warm, early-summer temperatures.

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

High confidence exists for the unseasonable warmth and high wind gusts statewide. Moderate confidence remains on the exact eastern extent of the rain shield due to conflicting moisture profiles between global and mesoscale models.

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

IMPACTFUL
Paducah, Murray, Mayfield
Soaking Rain and Warm Gusts
Heavy_Rain
80°/ 64°

Northwest Pennyrile

NUISANCE
Owensboro, Henderson, Morganfield
Afternoon Rain and Breezy
Rain
77°/ 59°

Southwest Pennyrile

NUISANCE
Hopkinsville, Madisonville, Princeton
Warm and Windy with Passing Showers
Rain
82°/ 61°

Barren River

NUISANCE
Bowling Green, Glasgow, Franklin
Breezy and Warm; Late Rain Possible
Rain
80°/ 59°

Louisville Metro

NUISANCE
Louisville, La Grange, Shepherdsville
Windy with Afternoon Showers
Rain
76°/ 56°

Lincoln Trail

NUISANCE
Elizabethtown, Bardstown, Leitchfield
Very Windy with Late Sprinkles
Rain
78°/ 54°

Lake Cumberland

Somerset, Columbia, Monticello
Warm and Blustery by the Lake
Cloudy
78°/ 57°

Northern Kentucky

IMPACTFUL
Covington, Florence, Independence
Heavy Rain Arriving Late
Rain
78°/ 51°

Inner Bluegrass

Lexington, Georgetown, Winchester
Exceptionally Windy and Warm
Cloudy
78°/ 52°

Bluegrass Foothills

Richmond, Danville, Berea
Breezy with High Clouds
Cloudy
81°/ 53°

Northeast Kentucky

Ashland, Morehead, Grayson
Sunny and Very Warm
Sunny
81°/ 50°

Southeast Kentucky

Hazard, Pikeville, Harlan
Pleasant Early-Summer Warmth
Sunny
80°/ 52°

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 cold front slows its eastward progression, the high-moisture plume could stall over the I-65 corridor, resulting in 2+ inches of rain for Louisville and Bowling Green, potentially causing minor flash flooding.

💨

The 'Bust' Scenario

The 'Bust' Scenario: If the mid-level dry air is more aggressive, the rain shield could erode entirely before reaching I-65, leaving the central portion of the state with nothing more than a few sprinkles and high winds.

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.

Wind Gust Magnitude

Models are split on whether peak gusts will reach 35 mph or 45+ mph. The NAM and GFS show deep mixing into the 50kt jet core, while the Euro is more conservative due to expected cloud cover.

NAM
VS
GFS
VS
EURO
Why GFS Wins

The GFS has a consistent track record of capturing momentum transfer in the pre-frontal warm sector; combined with NAM support, we favor the windier solution.

Affected Regions
BLUEGRASS CORELINCOLN TRAILNORTHWEST PENNYRILE

The Central Kentucky Dry Slot

There is a notable disagreement regarding how far east the rain shield will survive. The GFS and Euro suggest light rain reaching the Bluegrass and Lake Cumberland, while the NAM and GEM maintain a stout dry layer below 700mb that evaporates most precipitation (Virga).

NAM
VS
GFS
VS
EURO
Why NAM Wins

The NAM's high-resolution handling of the low-level jet and moisture boundaries typically outperforms global models in resolving sharp 'dry slots' during spring frontal passages.

Affected Regions
LOUISVILLE METROLINCOLN TRAILBARREN RIVERBLUEGRASS CORE

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 stack is characterized by a deep, well-mixed warm sector with the 0C isotherm well above 10,000ft. Profiles are purely liquid with no wintry threat.

Thermal Boundary

The effective freezing line is parked over central Michigan and Ontario. The surface cold front will enter the Purchase by 18z and approach the I-65 corridor by 03z.

Diurnal Trend

Non-diurnal trends will be noted in the west as heavy rain and cloud cover limit afternoon heating, while the east follows a high-amplitude diurnal curve peaking in the low 80s.

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 strong cold front will traverse the state from west to east; the wind shift from SW to WNW will be the primary indicator of passage after 00z.

Jet Stream Support

The region is positioned in the right-entrance region of a 110kt upper-level jet, providing broad synoptic lift.

Energy Status

A compact shortwave trough with a vorticity max of 0.0008 is moving through the Ohio Valley, focusing the strongest forcing over the northern tier of KY.

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 (PWAT 1.25") west of I-65, but significant dewpoint depressions persist in the east.

Precipitation Character

Stratiform rain with embedded convective elements in the Purchase. High risk of virga in the Bluegrass.

Flooding Context

Ground is relatively dry, so 1.0-1.5" rain totals in the west should be absorbed, though localized ponding in low-lying areas is possible.

Celestial Almanac

Moon Phase

Waxing Gibbous

84% Illumination
Moonrise
5:04 PM
Moonset
5:03 AM
Purchase Area
Sunrise
7:05 AM
Sunset
8:40 PM
Civil Dawn
6:38 AM
Civil Dusk
9:08 PM
Northwest Pennyrile
Sunrise
6:58 AM
Sunset
8:35 PM
Civil Dawn
6:30 AM
Civil Dusk
9:03 PM
Southwest Pennyrile
Sunrise
7:01 AM
Sunset
8:35 PM
Civil Dawn
6:34 AM
Civil Dusk
9:03 PM
Barren River
Sunrise
6:57 AM
Sunset
8:31 PM
Civil Dawn
6:29 AM
Civil Dusk
8:59 PM
Louisville Metro
Sunrise
6:52 AM
Sunset
8:31 PM
Civil Dawn
6:24 AM
Civil Dusk
8:59 PM
Lincoln Trail
Sunrise
6:53 AM
Sunset
8:30 PM
Civil Dawn
6:25 AM
Civil Dusk
8:58 PM
Lake Cumberland
Sunrise
6:49 AM
Sunset
8:24 PM
Civil Dawn
6:22 AM
Civil Dusk
8:52 PM
Northern Kentucky
Sunrise
6:46 AM
Sunset
8:27 PM
Civil Dawn
6:17 AM
Civil Dusk
8:56 PM
Inner Bluegrass
Sunrise
6:47 AM
Sunset
8:25 PM
Civil Dawn
6:19 AM
Civil Dusk
8:53 PM
Bluegrass Foothills
Sunrise
6:47 AM
Sunset
8:24 PM
Civil Dawn
6:19 AM
Civil Dusk
8:52 PM
Northeast Kentucky
Sunrise
6:39 AM
Sunset
8:19 PM
Civil Dawn
6:11 AM
Civil Dusk
8:47 PM
Southeast Kentucky
Sunrise
6:43 AM
Sunset
8:19 PM
Civil Dawn
6:16 AM
Civil Dusk
8:46 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.