kywx
Kentucky AI Weather Engine

Kentucky AI Forecasting Beta

Tue, Feb 17
Thu, Feb 19
Forecast For

Wednesday, February 18

Updated Feb 18, 6:10 AM EST
Confidence
95%

How Did We Do?

Comparing our AI forecast to actual observations from Wednesday, February 18, 2026.

Temperature
±4.5°F
Average Error
Precipitation
±0.71"
Average Error
Wind Speed
±4.9mph
Average error

Regional Assessments

Purchase Area

Paducah, Murray, Mayfield
Temperature
Forecast
66° / 56°
Actual
68° / 55°
Error: -2°F high, 1°F low
Precipitation
Forecast
0"
Actual
0"
✓ Within forecast range
Wind Speed
Forecast
18 / 45 mph
Actual
13 / 41 mph
Mesonet Stations HCKM, BAND

Northwest Pennyrile

Owensboro, Henderson, Morganfield
Temperature
Forecast
65° / 55°
Actual
69° / 53°
Error: -4°F high, 2°F low
Precipitation
Forecast
0"
Actual
0"
✓ Within forecast range
Wind Speed
Forecast
17 / 42 mph
Actual
12 / 34 mph
Mesonet Stations FRNY, RPTN, GRHM, DIXO

Southwest Pennyrile

Hopkinsville, Madisonville, Princeton
Temperature
Forecast
64° / 57°
Actual
68° / 52°
Error: -4°F high, 5°F low
Precipitation
Forecast
0.03"
Actual
0"
✓ Within forecast range
Wind Speed
Forecast
16 / 40 mph
Actual
12 / 33 mph
Mesonet Stations PRNC, PGHL, ERLN, CADZ, CCTY

Barren River

Bowling Green, Glasgow, Franklin
Temperature
Forecast
62° / 57°
Actual
66° / 51°
Error: -4°F high, 6°F low
Precipitation
Forecast
0.02"
Actual
1.28"
±1.26" off
Wind Speed
Forecast
16 / 40 mph
Actual
10 / 32 mph
Mesonet Stations FARM, WDBY, EWPK

Louisville Metro

Louisville, La Grange, Shepherdsville
Temperature
Forecast
62° / 54°
Actual
69° / 53°
Error: -7°F high, 1°F low
Precipitation
Forecast
0.05"
Actual
0"
✓ Within forecast range
Wind Speed
Forecast
14 / 37 mph
Actual
12 / 37 mph
Mesonet Stations LGRN

Lincoln Trail

Elizabethtown, Bardstown, Leitchfield
Temperature
Forecast
60° / 55°
Actual
68° / 46°
Error: -8°F high, 9°F low
Precipitation
Forecast
0.08"
Actual
0"
✓ Within forecast range
Wind Speed
Forecast
16 / 38 mph
Actual
10 / 32 mph
Mesonet Stations CRMT, BLRK, CCLA, BRND, HARD

Lake Cumberland

Somerset, Columbia, Monticello
Temperature
Forecast
60° / 56°
Actual
65° / 56°
Error: -5°F high, 0°F low
Precipitation
Forecast
0.2"
Actual
1.5"
±1.3" off
Wind Speed
Forecast
13 / 35 mph
Actual
8 / 28 mph
Mesonet Stations PCWN, CMBA, GRDR, WOOD, GRBG

Northern Kentucky

Covington, Florence, Independence
Temperature
Forecast
60° / 51°
Actual
69° / 52°
Error: -9°F high, -1°F low
Precipitation
Forecast
0.05"
Actual
0"
✓ Within forecast range
Wind Speed
Forecast
12 / 36 mph
Actual
7 / 25 mph
Mesonet Stations HHTS, HUEY

Inner Bluegrass

Lexington, Georgetown, Winchester
Temperature
Forecast
59° / 53°
Actual
62° / 53°
Error: -3°F high, 0°F low
Precipitation
Forecast
0.1"
Actual
0"
✓ Within forecast range
Wind Speed
Forecast
16 / 39 mph
Actual
12 / 30 mph
Mesonet Stations LXGN, SPIN

Bluegrass Foothills

Richmond, Danville, Berea
Temperature
Forecast
58° / 55°
Actual
60° / 57°
Error: -2°F high, -2°F low
Precipitation
Forecast
0.1"
Actual
0.05"
✓ Within forecast range
Wind Speed
Forecast
15 / 40 mph
Actual
9 / 29 mph
Mesonet Stations LGNT

Northeast Kentucky

Ashland, Morehead, Grayson
Temperature
Forecast
60° / 51°
Actual
63° / 39°
Error: -3°F high, 12°F low
Precipitation
Forecast
0.05"
Actual
0"
✓ Within forecast range
Wind Speed
Forecast
10 / 30 mph
Actual
6 / 26 mph
Mesonet Stations MRHD, CHTR

Southeast Kentucky

Hazard, Pikeville, Harlan
Temperature
Forecast
60° / 55°
Actual
63° / 40°
Error: -3°F high, 15°F low
Precipitation
Forecast
0.25"
Actual
5.74"
±5.49" off
Wind Speed
Forecast
12 / 33 mph
Actual
5 / 26 mph
Mesonet Stations BMBL, QKSD, BNVL, VEST, RFVC, RFSM, PBDY

Breezy and Unseasonably Mild with Scattered Showers

An unseasonably warm and breezy weather system will traverse the Commonwealth today, bringing scattered light rain showers and gusty morning winds. High temperatures will soar into the 60s statewide, with no risk of wintry precipitation. Wind gusts may reach 40-45 mph across western and central Kentucky before noon.

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

High confidence exists for temperatures and the absence of wintry threats. The only minor uncertainty is the exact rainfall totals due to the virga risk highlighted by the GFS.

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
Windy and Very Mild
Cloudy
66°/ 56°

Northwest Pennyrile

Owensboro, Henderson, Morganfield
Overcast and Blustery
Cloudy
65°/ 55°

Southwest Pennyrile

NUISANCE
Hopkinsville, Madisonville, Princeton
Warm with a Few Late Showers
Rain
64°/ 57°

Barren River

NUISANCE
Bowling Green, Glasgow, Franklin
Breezy Morning with Evening Sprinkles
Rain
62°/ 57°

Louisville Metro

NUISANCE
Louisville, La Grange, Shepherdsville
Mild with a Damp Morning Commute
Rain
62°/ 54°

Lincoln Trail

NUISANCE
Elizabethtown, Bardstown, Leitchfield
Damp and Blustery
Rain
60°/ 55°

Lake Cumberland

NUISANCE
Somerset, Columbia, Monticello
Wet Afternoon and Evening
Rain
60°/ 56°

Northern Kentucky

NUISANCE
Covington, Florence, Independence
Breezy with Morning Showers
Rain
60°/ 51°

Inner Bluegrass

NUISANCE
Lexington, Georgetown, Winchester
Mild and Showery
Rain
59°/ 53°

Bluegrass Foothills

NUISANCE
Richmond, Danville, Berea
Damp and Windy
Rain
58°/ 55°

Northeast Kentucky

NUISANCE
Ashland, Morehead, Grayson
Steady Rain Arriving Late
Rain
60°/ 51°

Southeast Kentucky

NUISANCE
Hazard, Pikeville, Harlan
Showers Ramping Up Tonight
Rain
60°/ 55°

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 low-level dry layer saturates faster than expected and the ECMWF's higher moisture transport verifies, rainfall totals could reach 0.50 inches in the southern and eastern regions, with wind gusts peaking over 50 mph.

💨

The 'Bust' Scenario

The 'Bust' scenario involves dry sub-cloud air winning out, resulting in widespread virga where rain evaporates before reaching the ground, leaving most of the state with only trace sprinkles.

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.

Momentum Transfer Battle

The NAM suggests much higher surface wind gusts (45 mph+) compared to the ECMWF (25 mph) due to a more aggressive mixing of the 850mb jet core.

NAM
VS
ECMWF
Why NAM Wins

The NAM typically resolves the mechanical mixing of a low-level jet in high-shear/low-CAPE environments more accurately than global models in the 0-24h window.

Affected Regions
PURCHASENORTHWEST PENNYRILESOUTHWEST PENNYRILELOUISVILLE METRO

The QPF Divergence

The ECMWF is an aggressive outlier, forecasting up to a half-inch of rain in Southeast Kentucky, while the GFS, NAM, and GEM remain much drier, suggesting totals stay under 0.15 inches due to sub-cloud evaporation.

ECMWF
VS
GFS
VS
NAM
Why BLEND Wins

While the ECMWF is likely too wet, its depiction of orographic enhancement in the mountains is more realistic than the GFS 'smear.' We will lean toward the drier consensus for the west but incorporate ECMWF's higher totals for the Coalfields.

Affected Regions
SOUTHWEST PENNYRILELAKE CUMBERLANDSOUTHEAST COALFIELDSNORTHEAST KY

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, warm-core profile exists from the surface through 700mb. Lapse rates are moist-adiabatic, and the freezing level is unseasonably high, exceeding 8,000ft AGL.

Thermal Boundary

The 0C isotherm at 850mb is located well north of the Great Lakes, keeping the entire Commonwealth in a robust warm sector.

Diurnal Trend

A muted diurnal curve will be observed due to 100% cloud cover and warm air advection (WAA). Morning lows in the 50s will only rise about 10 degrees by afternoon.

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 sharp surface cold front is present; instead, a weak pre-frontal trough will pass between 15Z and 21Z, marked by a slight wind shift and a peak in vorticity.

Jet Stream Support

The right-entrance region of a 110kt upper-level jet provides large-scale ascent over the region through much of the morning.

Energy Status

A progressive shortwave trough is pivoting through the broad cyclonic flow, with the highest vorticity values focused over the eastern half of the state by evening.

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

Low-level saturation is high, but a significant dry slot between 850mb and 700mb in the western regions presents a high virga risk early in the day.

Precipitation Character

Precipitation will be strictly stratiform light rain or drizzle. Convective parameters are non-existent (CAPE 0).

Flooding Context

The ground remains absorbent and totals are generally under a quarter-inch; no hydrologic concerns exist.

Celestial Almanac

Moon Phase

Waxing Crescent

1% Illumination
Moonrise
8:11 AM
Moonset
7:00 PM
Purchase Area
Sunrise
7:41 AM
Sunset
6:38 PM
Civil Dawn
7:14 AM
Civil Dusk
7:04 PM
Northwest Pennyrile
Sunrise
7:36 AM
Sunset
6:31 PM
Civil Dawn
7:09 AM
Civil Dusk
6:58 PM
Southwest Pennyrile
Sunrise
7:36 AM
Sunset
6:34 PM
Civil Dawn
7:10 AM
Civil Dusk
7:00 PM
Barren River
Sunrise
7:32 AM
Sunset
6:30 PM
Civil Dawn
7:06 AM
Civil Dusk
6:56 PM
Louisville Metro
Sunrise
7:31 AM
Sunset
6:25 PM
Civil Dawn
7:04 AM
Civil Dusk
6:52 PM
Lincoln Trail
Sunrise
7:30 AM
Sunset
6:26 PM
Civil Dawn
7:04 AM
Civil Dusk
6:53 PM
Lake Cumberland
Sunrise
7:25 AM
Sunset
6:22 PM
Civil Dawn
6:58 AM
Civil Dusk
6:48 PM
Northern Kentucky
Sunrise
7:27 AM
Sunset
6:19 PM
Civil Dawn
7:00 AM
Civil Dusk
6:46 PM
Inner Bluegrass
Sunrise
7:26 AM
Sunset
6:20 PM
Civil Dawn
6:59 AM
Civil Dusk
6:47 PM
Bluegrass Foothills
Sunrise
7:24 AM
Sunset
6:20 PM
Civil Dawn
6:58 AM
Civil Dusk
6:47 PM
Northeast Kentucky
Sunrise
7:19 AM
Sunset
6:12 PM
Civil Dawn
6:52 AM
Civil Dusk
6:39 PM
Southeast Kentucky
Sunrise
7:19 AM
Sunset
6:16 PM
Civil Dawn
6:53 AM
Civil Dusk
6:43 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.