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Kentucky AI Weather Engine

Kentucky AI Forecasting Beta

Thu, Apr 16
Sat, Apr 18
Forecast For

Friday, April 17

Updated Apr 17, 6:54 AM EDT

NWS Alerts Active This Day

Severe Thunderstorm Watch

Apr 16, 3:08 PM -> Apr 16, 10:00 PM
Severe Severity

Severe Thunderstorm Watch issued April 16 at 2:08PM CDT until April 16 at 9:00PM CDT by NWS Paducah KY

Severe Thunderstorm Watch

Apr 16, 3:50 PM -> Apr 16, 10:00 PM
Severe Severity

Severe Thunderstorm Watch issued April 16 at 2:50PM CDT until April 16 at 9:00PM CDT by NWS Paducah KY

Severe Thunderstorm Watch

Apr 16, 3:50 PM -> Apr 16, 10:00 PM
Severe Severity

Severe Thunderstorm Watch issued April 16 at 2:50PM CDT until April 16 at 9:00PM CDT by NWS Paducah KY

Severe Thunderstorm Watch

Apr 16, 5:51 PM -> Apr 16, 10:00 PM
Severe Severity

Severe Thunderstorm Watch issued April 16 at 4:51PM CDT until April 16 at 9:00PM CDT by NWS Paducah KY

Severe Thunderstorm Watch

Apr 16, 5:51 PM -> Apr 16, 10:00 PM
Severe Severity

Severe Thunderstorm Watch issued April 16 at 4:51PM CDT until April 16 at 9:00PM CDT by NWS Paducah KY

Severe Thunderstorm Watch

Apr 16, 6:50 PM -> Apr 16, 10:00 PM
Severe Severity

Severe Thunderstorm Watch issued April 16 at 5:50PM CDT until April 16 at 9:00PM CDT by NWS Paducah KY

Severe Thunderstorm Watch

Apr 16, 8:06 PM -> Apr 16, 10:00 PM
Severe Severity

Severe Thunderstorm Watch issued April 16 at 7:06PM CDT until April 16 at 9:00PM CDT by NWS Paducah KY

Confidence
70%

How Did We Do?

Comparing our AI forecast to actual observations from Friday, April 17, 2026.

Temperature
±1.8°F
Average Error
Precipitation
±4.22"
Average Error
Wind Speed
±3.3mph
Average error

Regional Assessments

Purchase Area

Paducah, Murray, Mayfield
Temperature
Forecast
85° / 62°
Actual
85° / 57°
Error: 0°F high, 5°F low
Precipitation
Forecast
0"
Actual
0.07"
✓ Within forecast range
Wind Speed
Forecast
13 / 28 mph
Actual
6 / 24 mph
Mesonet Stations HCKM, BAND

Northwest Pennyrile

Owensboro, Henderson, Morganfield
Temperature
Forecast
83° / 58°
Actual
85° / 51°
Error: -2°F high, 7°F low
Precipitation
Forecast
0.01"
Actual
4.6"
±4.59" off
Wind Speed
Forecast
11 / 30 mph
Actual
6 / 29 mph
Mesonet Stations FRNY, RPTN, GRHM, DIXO

Southwest Pennyrile

Hopkinsville, Madisonville, Princeton
Temperature
Forecast
86° / 59°
Actual
83° / 32°
Error: 3°F high, 27°F low
Precipitation
Forecast
0"
Actual
20.2"
±20.2" off
Wind Speed
Forecast
10 / 22 mph
Actual
6 / 22 mph
Mesonet Stations PRNC, PGHL, ERLN, CADZ, CCTY

Barren River

Bowling Green, Glasgow, Franklin
Temperature
Forecast
84° / 56°
Actual
83° / 49°
Error: 1°F high, 7°F low
Precipitation
Forecast
0"
Actual
24.17"
±24.17" off
Wind Speed
Forecast
8 / 15 mph
Actual
5 / 48 mph
Mesonet Stations FARM, WDBY, EWPK

Louisville Metro

Louisville, La Grange, Shepherdsville
Temperature
Forecast
83° / 59°
Actual
81° / 55°
Error: 2°F high, 4°F low
Precipitation
Forecast
0"
Actual
0"
✓ Within forecast range
Wind Speed
Forecast
9 / 28 mph
Actual
5 / 20 mph
Mesonet Stations LGRN

Lincoln Trail

Elizabethtown, Bardstown, Leitchfield
Temperature
Forecast
81° / 55°
Actual
83° / 32°
Error: -2°F high, 23°F low
Precipitation
Forecast
0"
Actual
0.47"
±0.47" off
Wind Speed
Forecast
8 / 18 mph
Actual
5 / 34 mph
Mesonet Stations CRMT, BLRK, CCLA, BRND, HARD

Lake Cumberland

Somerset, Columbia, Monticello
Temperature
Forecast
81° / 58°
Actual
84° / 48°
Error: -3°F high, 10°F low
Precipitation
Forecast
0"
Actual
1.15"
±1.15" off
Wind Speed
Forecast
5 / 12 mph
Actual
3 / 40 mph
Mesonet Stations PCWN, CMBA, GRDR, WOOD, GRBG

Northern Kentucky

Covington, Florence, Independence
Temperature
Forecast
82° / 58°
Actual
81° / 55°
Error: 1°F high, 3°F low
Precipitation
Forecast
0"
Actual
0"
✓ Within forecast range
Wind Speed
Forecast
6 / 15 mph
Actual
3 / 16 mph
Mesonet Stations HHTS, HUEY

Inner Bluegrass

Lexington, Georgetown, Winchester
Temperature
Forecast
81° / 57°
Actual
80° / 52°
Error: 1°F high, 5°F low
Precipitation
Forecast
0"
Actual
0"
✓ Within forecast range
Wind Speed
Forecast
7 / 15 mph
Actual
5 / 16 mph
Mesonet Stations LXGN, SPIN

Bluegrass Foothills

Richmond, Danville, Berea
Temperature
Forecast
81° / 58°
Actual
82° / 52°
Error: -1°F high, 6°F low
Precipitation
Forecast
0"
Actual
0"
✓ Within forecast range
Wind Speed
Forecast
5 / 12 mph
Actual
3 / 14 mph
Mesonet Stations LGNT

Northeast Kentucky

Ashland, Morehead, Grayson
Temperature
Forecast
81° / 61°
Actual
81° / 48°
Error: 0°F high, 13°F low
Precipitation
Forecast
0"
Actual
0"
✓ Within forecast range
Wind Speed
Forecast
5 / 10 mph
Actual
2 / 15 mph
Mesonet Stations MRHD, CHTR

Southeast Kentucky

Hazard, Pikeville, Harlan
Temperature
Forecast
79° / 59°
Actual
84° / 52°
Error: -5°F high, 7°F low
Precipitation
Forecast
0.08"
Actual
0.12"
✓ Within forecast range
Wind Speed
Forecast
4 / 12 mph
Actual
2 / 17 mph
Mesonet Stations BMBL, QKSD, BNVL, VEST, RFVC, RFSM, PBDY

Record-Challenging Warmth with Isolated Spring Sprinkles

Kentucky will experience unseasonably warm conditions today with temperatures soaring into the 80s, roughly 15-20 degrees above seasonal norms. While high pressure dominates, a weak upper-level disturbance will bring isolated light rain showers to the western and southeastern portions of the state, though much of this may result in virga due to dry low-level air.

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

High confidence in the unseasonable warmth; lower confidence regarding the existence of measurable precipitation versus virga due to significant dry air in the lower atmosphere.

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

Paducah, Murray, Mayfield
Summer-Like Warmth
Sunny
85°/ 62°

Northwest Pennyrile

NUISANCE
Owensboro, Henderson, Morganfield
Warm with Brief Afternoon Sprinkles
Rain
83°/ 58°

Southwest Pennyrile

Hopkinsville, Madisonville, Princeton
Sunshine and Early June Heat
Sunny
86°/ 59°

Barren River

Bowling Green, Glasgow, Franklin
Pleasant and Unseasonably Warm
Sunny
84°/ 56°

Louisville Metro

Louisville, La Grange, Shepherdsville
Warm Urban Skies
Cloudy
83°/ 59°

Lincoln Trail

Elizabethtown, Bardstown, Leitchfield
Sunny and Mild Afternoon
Sunny
81°/ 55°

Lake Cumberland

Somerset, Columbia, Monticello
Beautiful Boating Weather
Sunny
81°/ 58°

Northern Kentucky

Covington, Florence, Independence
Warm and Clear for Cincinnati Metro
Sunny
82°/ 58°

Inner Bluegrass

Lexington, Georgetown, Winchester
Morning Clouds, Afternoon Sun
Cloudy
81°/ 57°

Bluegrass Foothills

Richmond, Danville, Berea
Warm and Bright Conditions
Sunny
81°/ 58°

Northeast Kentucky

Ashland, Morehead, Grayson
Sun-Filled and Warm Vistas
Sunny
81°/ 61°

Southeast Kentucky

NUISANCE
Hazard, Pikeville, Harlan
Morning Mountain Sprinkles
Rain
79°/ 59°

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 mid-level dry air is slightly weaker than expected and the ridge centers more firmly over the Appalachians, afternoon highs could reach 88-89°F in the Purchase and Southwest Pennyrile, with zero measurable rain reaching the ground statewide.

💨

The 'Bust' Scenario

If cloud cover from the morning shortwave persists longer than anticipated and the moisture profile deepens, temperatures may be held in the upper 70s for the Bluegrass and Eastern regions, with more widespread light measurable rain (0.10"-0.20") in the mountains.

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 85-Degree Boundary

The Euro and GEM are aggressively forecasting mid-to-upper 80s for western Kentucky, while the NAM and GFS keep highs in the low 80s due to higher projected cloud cover.

EURO
VS
NAM
VS
GFS
Why EURO Wins

Given 850mb temperatures approaching +18C and a high April sun angle, the ECMWF's thermal mixing depth is more physically plausible for this setup.

Affected Regions
PURCHASESOUTHWEST PENNYRILENORTHWEST PENNYRILE

The Dry Slot Dilemma

The ECMWF maintains a completely dry forecast statewide, whereas the NAM, GFS, and GEM all indicate light measurable precipitation in the Southeast and Western Kentucky. The conflict centers on whether the sub-cloud dry air (dewpoint depressions of 20-30°F) will cause the rain to evaporate as virga.

EURO
VS
NAM
VS
GFS
Why BLEND Wins

While the Euro is the 'Steady Hand' for dry slots, the consistency among the NAM/GEM/GFS regarding the timing of the vorticity pulse suggests at least a 'Nuisance' level of sprinkles will reach the surface.

Affected Regions
SOUTHEAST COALFIELDSPURCHASENORTHWEST 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 deep, well-mixed boundary layer is present up to approximately 800mb. Lapse rates are nearly dry adiabatic in the lower levels, though mid-level rates are poor, suppressing deep convection.

Thermal Boundary

The primary freezing line is located well into Central Canada; the 0C isotherm at 850mb is north of the Great Lakes.

Diurnal Trend

Standard diurnal curve with rapid heating after 14z. Highs will be reached between 20z and 22z, with a slow evening cooling curve due to persistent southerly flow.

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 frontal passage. A warm-sector regime persists with steady southwesterly surface winds of 10-15 mph.

Jet Stream Support

Kentucky is in a region of neutral height tendencies; the main polar jet is displaced well to the north.

Energy Status

A series of low-amplitude shortwave troughs are pivoting through the flow, with the strongest positive vorticity advection (PVA) occurring over the Southeast Coalfields this morning.

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 mostly dry below 700mb. Large dewpoint depressions at the surface (25-30F) create a significant virga risk for any light precipitation.

Precipitation Character

Stratiform and light. High-based showers with low liquid-water content.

Flooding Context

No hydrologic risk. Soils are dry and QPF is negligible.

Winter Physics

Accumulation & Layers

Specific physical factors affecting winter weather, including the vertical melt/freeze profile and snow quality.

Layer Analysis

Not applicable; thermal profiles are entirely above freezing through 10,000ft.

Crystal Habit

Not applicable.

Road Impact

Not applicable; road temperatures are in the 70s and 80s.

Celestial Almanac

Moon Phase

New Moon

0% Illumination
Moonrise
7:00 AM
Moonset
8:00 PM
Purchase Area
Sunrise
7:18 AM
Sunset
8:31 PM
Civil Dawn
6:51 AM
Civil Dusk
8:58 PM
Northwest Pennyrile
Sunrise
7:11 AM
Sunset
8:26 PM
Civil Dawn
6:44 AM
Civil Dusk
8:53 PM
Southwest Pennyrile
Sunrise
7:14 AM
Sunset
8:26 PM
Civil Dawn
6:47 AM
Civil Dusk
8:53 PM
Barren River
Sunrise
7:10 AM
Sunset
8:22 PM
Civil Dawn
6:43 AM
Civil Dusk
8:49 PM
Louisville Metro
Sunrise
7:05 AM
Sunset
8:21 PM
Civil Dawn
6:38 AM
Civil Dusk
8:49 PM
Lincoln Trail
Sunrise
7:06 AM
Sunset
8:21 PM
Civil Dawn
6:39 AM
Civil Dusk
8:48 PM
Lake Cumberland
Sunrise
7:02 AM
Sunset
8:15 PM
Civil Dawn
6:35 AM
Civil Dusk
8:42 PM
Northern Kentucky
Sunrise
6:59 AM
Sunset
8:17 PM
Civil Dawn
6:31 AM
Civil Dusk
8:45 PM
Inner Bluegrass
Sunrise
7:00 AM
Sunset
8:16 PM
Civil Dawn
6:33 AM
Civil Dusk
8:43 PM
Bluegrass Foothills
Sunrise
7:00 AM
Sunset
8:15 PM
Civil Dawn
6:33 AM
Civil Dusk
8:42 PM
Northeast Kentucky
Sunrise
6:52 AM
Sunset
8:09 PM
Civil Dawn
6:25 AM
Civil Dusk
8:36 PM
Southeast Kentucky
Sunrise
6:56 AM
Sunset
8:10 PM
Civil Dawn
6:29 AM
Civil Dusk
8:37 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.