kywx
Kentucky AI Weather Engine

Kentucky AI Forecasting Beta

Thu, Apr 2
Sat, Apr 4
Forecast For

Friday, April 3

Updated Apr 3, 6:58 AM EDT
Confidence
85%

How Did We Do?

Comparing our AI forecast to actual observations from Friday, April 3, 2026.

Temperature
±2.9°F
Average Error
Precipitation
±7.59"
Average Error
Wind Speed
±4.3mph
Average error

Regional Assessments

Purchase Area

Paducah, Murray, Mayfield
Temperature
Forecast
81° / 67°
Actual
83° / 66°
Error: -2°F high, 1°F low
Precipitation
Forecast
0.15"
Actual
0.66"
±0.51" off
Wind Speed
Forecast
14 / 35 mph
Actual
10 / 27 mph
Mesonet Stations HCKM, BAND

Northwest Pennyrile

Owensboro, Henderson, Morganfield
Temperature
Forecast
80° / 65°
Actual
85° / 66°
Error: -5°F high, -1°F low
Precipitation
Forecast
0.25"
Actual
2.27"
±2.02" off
Wind Speed
Forecast
14 / 35 mph
Actual
11 / 30 mph
Mesonet Stations FRNY, RPTN, GRHM, DIXO

Southwest Pennyrile

Hopkinsville, Madisonville, Princeton
Temperature
Forecast
84° / 67°
Actual
85° / 63°
Error: -1°F high, 4°F low
Precipitation
Forecast
0.05"
Actual
12.02"
±11.969999999999999" off
Wind Speed
Forecast
13 / 30 mph
Actual
10 / 30 mph
Mesonet Stations PRNC, PGHL, ERLN, CADZ, CCTY

Barren River

Bowling Green, Glasgow, Franklin
Temperature
Forecast
85° / 68°
Actual
86° / 32°
Error: -1°F high, 36°F low
Precipitation
Forecast
0"
Actual
12.61"
±12.61" off
Wind Speed
Forecast
15 / 30 mph
Actual
9 / 31 mph
Mesonet Stations FARM, WDBY, EWPK

Louisville Metro

Louisville, La Grange, Shepherdsville
Temperature
Forecast
80° / 67°
Actual
79° / 65°
Error: 1°F high, 2°F low
Precipitation
Forecast
0.16"
Actual
0.89"
±0.73" off
Wind Speed
Forecast
13 / 35 mph
Actual
13 / 44 mph
Mesonet Stations LGRN

Lincoln Trail

Elizabethtown, Bardstown, Leitchfield
Temperature
Forecast
80° / 67°
Actual
86° / 64°
Error: -6°F high, 3°F low
Precipitation
Forecast
0.05"
Actual
18.15"
±18.099999999999998" off
Wind Speed
Forecast
15 / 35 mph
Actual
10 / 37 mph
Mesonet Stations CRMT, BLRK, CCLA, BRND, HARD

Lake Cumberland

Somerset, Columbia, Monticello
Temperature
Forecast
81° / 67°
Actual
85° / 63°
Error: -4°F high, 4°F low
Precipitation
Forecast
0.03"
Actual
8.77"
±8.74" off
Wind Speed
Forecast
11 / 30 mph
Actual
7 / 24 mph
Mesonet Stations PCWN, CMBA, GRDR, WOOD, GRBG

Northern Kentucky

Covington, Florence, Independence
Temperature
Forecast
77° / 66°
Actual
80° / 66°
Error: -3°F high, 0°F low
Precipitation
Forecast
0.15"
Actual
7.98"
±7.83" off
Wind Speed
Forecast
12 / 38 mph
Actual
8 / 31 mph
Mesonet Stations HHTS, HUEY

Inner Bluegrass

Lexington, Georgetown, Winchester
Temperature
Forecast
80° / 65°
Actual
81° / 64°
Error: -1°F high, 1°F low
Precipitation
Forecast
0.08"
Actual
16.82"
±16.740000000000002" off
Wind Speed
Forecast
16 / 33 mph
Actual
11 / 26 mph
Mesonet Stations LXGN, SPIN

Bluegrass Foothills

Richmond, Danville, Berea
Temperature
Forecast
81° / 68°
Actual
83° / 63°
Error: -2°F high, 5°F low
Precipitation
Forecast
0.02"
Actual
1.62"
±1.6" off
Wind Speed
Forecast
14 / 32 mph
Actual
7 / 24 mph
Mesonet Stations LGNT

Northeast Kentucky

Ashland, Morehead, Grayson
Temperature
Forecast
81° / 69°
Actual
83° / 56°
Error: -2°F high, 13°F low
Precipitation
Forecast
0.03"
Actual
5.82"
±5.79" off
Wind Speed
Forecast
10 / 28 mph
Actual
5 / 24 mph
Mesonet Stations MRHD, CHTR

Southeast Kentucky

Hazard, Pikeville, Harlan
Temperature
Forecast
79° / 67°
Actual
86° / 55°
Error: -7°F high, 12°F low
Precipitation
Forecast
0"
Actual
4.5"
±4.5" off
Wind Speed
Forecast
9 / 28 mph
Actual
4 / 23 mph
Mesonet Stations BMBL, QKSD, BNVL, VEST, RFVC, RFSM, PBDY

Unseasonable Early Summer Heat and Scattered Showers

Kentucky will experience uncharacteristically warm temperatures for early April as a robust southwesterly flow pumps moisture and heat into the region. While many areas will feel like late May with highs reaching the 80s, a series of weak upper-level impulses will trigger scattered light rain showers and breezy conditions, particularly for the northern and western halves of the state.

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

Confidence is exceptionally high for the temperature forecast and the absence of wintry or severe weather. However, the exact timing and spatial coverage of the light rain showers remain the primary source of uncertainty due to the weak nature of the forcing.

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
Warm and Breezy with Morning Showers
Rain
81°/ 67°

Northwest Pennyrile

NUISANCE
Owensboro, Henderson, Morganfield
Soggy Start, Mild Afternoon
Rain
80°/ 65°

Southwest Pennyrile

Hopkinsville, Madisonville, Princeton
Early Sprinkles and Summer Heat
Rain
84°/ 67°

Barren River

Bowling Green, Glasgow, Franklin
A Sunny and Hot Spring Friday
Sunny
85°/ 68°

Louisville Metro

NUISANCE
Louisville, La Grange, Shepherdsville
Windy with Intermittent Showers
Rain
80°/ 67°

Lincoln Trail

NUISANCE
Elizabethtown, Bardstown, Leitchfield
Breezy with Spotty Morning Rain
Rain
80°/ 67°

Lake Cumberland

Somerset, Columbia, Monticello
Warm and Humid with Few Showers
Rain
81°/ 67°

Northern Kentucky

IMPACTFUL
Covington, Florence, Independence
Messy Day with Rain and High Winds
Rain
77°/ 66°

Inner Bluegrass

NUISANCE
Lexington, Georgetown, Winchester
Breezy with Passing Morning Rain
Rain
80°/ 65°

Bluegrass Foothills

Richmond, Danville, Berea
Dry and Windy Afternoon
Cloudy
81°/ 68°

Northeast Kentucky

Ashland, Morehead, Grayson
Warm with a Few Late Showers
Rain
81°/ 69°

Southeast Kentucky

Hazard, Pikeville, Harlan
A Dry and Exceptionally Warm Day
Cloudy
79°/ 67°

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 moisture layer deepens faster than expected and the shortwave energy compacts, widespread rainfall amounts could exceed 0.50 inches in the west, with cloud cover keeping temperatures in the mid-70s.

💨

The 'Bust' Scenario

If the low-level dry air remains robust, much of the precipitation will evaporate as virga, resulting in only trace amounts of rain and allowing clear skies to push temperatures into the upper 80s across the south.

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 Purchase Moisture Plume

The GEM predicts a significant slug of moisture (0.50") for the Purchase region, while the NAM and GFS keep the area largely dry or under trace amounts.

GEM
VS
NAM
VS
GFS
Why EURO Wins

The Euro provides a statistically sound middle ground that accounts for the moisture plume without the aggressive localized bullseyes seen in the GEM or the phantom dry slots in the NAM.

Affected Regions
PURCHASENORTHWEST PENNYRILE

Momentum Transfer and Gust Potential

The NAM and GEM suggest wind gusts reaching 40 mph due to efficient mixing of the low-level jet, while the GFS and Euro are significantly more conservative.

NAM
VS
GEM
VS
GFS
Why NAM Wins

The NAM's higher vertical resolution typically resolves the boundary layer mixing and momentum transfer from a 40kt LLJ more accurately in a WAA regime.

Affected Regions
NORTHERN KYLOUISVILLE METROBLUEGRASS 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 atmosphere is characterized by a robust warm-sector profile with a near-adiabatic lapse rate in the low-levels. No inversions are present, and the freezing level is located above 10,000 feet AGL.

Thermal Boundary

The primary freezing line and effective frontal boundary are stalled well north of the Ohio River across central Indiana and Ohio.

Diurnal Trend

A standard diurnal curve will be observed, though it will be somewhat muted in the north by cloud cover. Overnight lows will remain very mild, 15-20 degrees above seasonal norms.

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 true frontal passage occurs; the region remains entrenched in a high-theta-e airmass with a subtle wind shift expected only in the extreme northern counties late in the period.

Jet Stream Support

The region is positioned in the right-entrance region of a 110kt upper-level jet streak, providing broad but weak synoptic-scale divergence.

Energy Status

Several weak vorticity maximums (up to 0.0004 s-1) are pivoting through the flow, serving as the primary triggers for light precipitation.

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 between 850mb and 700mb, but significant dewpoint depressions near the surface (10-12F) suggest a risk of virga and low precipitation efficiency.

Precipitation Character

Precipitation will be predominantly stratiform and light, characterized by periods of drizzle and light rain showers.

Flooding Context

No flooding risk exists. Total QPF remains well below 0.25 inches for most regions, which is easily handled by current soil moisture capacity.

Celestial Almanac

Moon Phase

Waning Gibbous

97% Illumination
Moonrise
9:21 PM
Moonset
8:12 AM
Purchase Area
Sunrise
7:38 AM
Sunset
8:19 PM
Civil Dawn
7:12 AM
Civil Dusk
8:45 PM
Northwest Pennyrile
Sunrise
7:31 AM
Sunset
8:13 PM
Civil Dawn
7:05 AM
Civil Dusk
8:40 PM
Southwest Pennyrile
Sunrise
7:34 AM
Sunset
8:14 PM
Civil Dawn
7:07 AM
Civil Dusk
8:40 PM
Barren River
Sunrise
7:29 AM
Sunset
8:10 PM
Civil Dawn
7:03 AM
Civil Dusk
8:36 PM
Louisville Metro
Sunrise
7:26 AM
Sunset
8:08 PM
Civil Dawn
6:59 AM
Civil Dusk
8:35 PM
Lincoln Trail
Sunrise
7:27 AM
Sunset
8:08 PM
Civil Dawn
7:00 AM
Civil Dusk
8:35 PM
Lake Cumberland
Sunrise
7:22 AM
Sunset
8:03 PM
Civil Dawn
6:56 AM
Civil Dusk
8:29 PM
Northern Kentucky
Sunrise
7:20 AM
Sunset
8:04 PM
Civil Dawn
6:53 AM
Civil Dusk
8:31 PM
Inner Bluegrass
Sunrise
7:21 AM
Sunset
8:03 PM
Civil Dawn
6:54 AM
Civil Dusk
8:30 PM
Bluegrass Foothills
Sunrise
7:20 AM
Sunset
8:02 PM
Civil Dawn
6:54 AM
Civil Dusk
8:28 PM
Northeast Kentucky
Sunrise
7:13 AM
Sunset
7:56 PM
Civil Dawn
6:46 AM
Civil Dusk
8:23 PM
Southeast Kentucky
Sunrise
7:16 AM
Sunset
7:57 PM
Civil Dawn
6:50 AM
Civil Dusk
8:24 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.