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Kentucky AI Weather Engine

Kentucky AI Forecasting Beta

Thu, Jun 18
Sat, Jun 20
Forecast For

Friday, June 19

Updated Jun 19, 7:13 AM EDT

NWS Alerts Active This Day

Flood Watch

Jun 18, 5:19 PM -> Jun 19, 2:00 AM
Severe Severity

Flood Watch issued June 18 at 5:19PM EDT until June 19 at 2:00AM EDT by NWS Charleston WV

Flood Watch

Jun 18, 5:43 PM -> Jun 19, 2:00 AM
Severe Severity

Flood Watch issued June 18 at 5:43PM EDT until June 19 at 2:00AM EDT by NWS Jackson KY

Flood Advisory

Jun 18, 8:22 PM -> Jun 18, 10:00 PM
Minor Severity

Flood Advisory issued June 18 at 8:22PM EDT until June 18 at 10:00PM EDT by NWS Jackson KY

Flood Advisory

Jun 18, 8:26 PM -> Jun 18, 11:00 PM
Minor Severity

Flood Advisory issued June 18 at 8:26PM EDT until June 18 at 11:00PM EDT by NWS Jackson KY

Flood Advisory

Jun 18, 8:31 PM -> Jun 18, 10:30 PM
Minor Severity

Flood Advisory issued June 18 at 8:31PM EDT until June 18 at 10:30PM EDT by NWS Jackson KY

Flood Advisory

Jun 18, 8:53 PM -> Jun 18, 9:03 PM
Minor Severity

Flood Advisory issued June 18 at 8:53PM EDT until June 18 at 9:00PM EDT by NWS Jackson KY

Confidence
85%

A Warm June Day with Morning Drizzle in the Mountains

A quiet and warm Friday is in store for the Commonwealth. High pressure centered over the Ohio Valley will gradually slide eastward, allowing for a tranquil day with temperatures in the upper 70s to low 80s. While most of the state will remain dry, the morning will start with areas of drizzle and mist in the Southeast Coalfields. Throughout the day, a veil of high clouds will thicken from west to east, leading to a grey but dry evening for most.

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

Strong model agreement on the temperature profile and the presence of morning moisture in the southeast. High confidence in dry conditions for 90% of the state, with the only minor uncertainty revolving around the exact timing of the increasing cloud cover.

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
Warm with Increasing Clouds
Cloudy
82°/ 63°

Northwest Pennyrile

Owensboro, Henderson, Morganfield
Cloudy Evening, Dry Throughout
Cloudy
81°/ 64°

Southwest Pennyrile

Hopkinsville, Madisonville, Princeton
Pleasant and Turning Cloudy
Cloudy
81°/ 64°

Barren River

Bowling Green, Glasgow, Franklin
Warm and Mostly Dry
Cloudy
79°/ 63°

Louisville Metro

Louisville, La Grange, Shepherdsville
Warm and Quiet in the Metro
Cloudy
81°/ 64°

Lincoln Trail

Elizabethtown, Bardstown, Leitchfield
Pleasant Temperatures, Filtered Sun
Cloudy
79°/ 61°

Lake Cumberland

Somerset, Columbia, Monticello
Great Day for the Lake
Cloudy
79°/ 61°

Northern Kentucky

Covington, Florence, Independence
Sunny Start, Cloudy Finish
Cloudy
79°/ 64°

Inner Bluegrass

Lexington, Georgetown, Winchester
Mild and Dry in Lexington
Cloudy
78°/ 61°

Bluegrass Foothills

Richmond, Danville, Berea
Comfortable and Turning Grey
Cloudy
77°/ 61°

Northeast Kentucky

Ashland, Morehead, Grayson
Bright and Warm Afternoon
Cloudy
80°/ 62°

Southeast Kentucky

NUISANCE
Hazard, Pikeville, Harlan
Morning Drizzle, Afternoon Sun
Rain
77°/ 62°

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 shortwave slows and moisture depth increases, morning drizzle in the mountains could transition to light, measurable rain showers (0.05"), and isolated sprinkles could reach as far west as the I-75 corridor.

💨

The 'Bust' Scenario

If the dry air mass currently over the Midwest is more aggressive, the mid-level cloud deck will remain thin, resulting in a mostly sunny day with slightly higher afternoon temperatures reaching the mid-80s.

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 Pennyrile Sprinkle Spat

NAM shows a high PoP (80%) for the Northwest Pennyrile in the evening, suggesting trace precipitation. GFS and Euro are entirely dry for this region.

NAM
VS
GFS
VS
EURO
Why NONE Wins

NAM is likely suffering from its known 'Bullseye' bias for trace precip in weak vorticity environments. We will maintain a dry forecast but increase evening cloud cover to account for the NAM's humidity signal.

Affected Regions
NORTHWEST PENNYRILE

The Grey Veil Conflict

A significant disagreement exists regarding sky cover. The GFS maintains a bone-dry column with clear skies, while the Euro and NAM advect a thick plume of mid-to-high level moisture across the state by Friday afternoon.

GFS
VS
EURO
VS
NAM
Why EURO Wins

The Euro and NAM are more consistent with the upstream moisture signatures currently over the Plains. GFS tends to under-represent high-level moisture in zonal flow regimes.

Affected Regions
PURCHASENORTHWEST PENNYRILELOUISVILLE 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 vertical temperature stack follows a standard adiabatic lapse rate with no significant inversions, though a shallow subsidence inversion is noted in the 1000-900mb layer in the eastern valleys during the morning hours.

Thermal Boundary

The freezing line is well above 12,000 feet MSL. A weak, decaying surface boundary is stalled well to the south along the Kentucky-Tennessee border.

Diurnal Trend

Standard diurnal curves are expected with efficient morning warming, though the Southeast will experience a slightly retarded rise in temperatures until the morning drizzle and low-level stratus clear around noon.

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 is expected. Surface winds will remain light (under 10 mph) with a primarily northerly to northeasterly component as the high pressure center shifts east.

Jet Stream Support

The jet stream is located north of the Ohio River, providing minimal synoptic lift. The state is in a region of neutral vorticity advection.

Energy Status

A compact but weak shortwave trough is pivoting through the Southeast Coalfields, providing the necessary forcing for morning drizzle before dissipating by early afternoon.

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 across the western half of the state. The Southeast Coalfields show low-level saturation (90% RH) in the 1000-850mb layer. Statewide, upper-level saturation is expected after 18Z.

Precipitation Character

Precipitation will be purely stratiform and light (drizzle/mist), localized entirely to the southeastern mountainous terrain.

Flooding Context

Ground conditions are stable and QPF is negligible (trace to 0.02"), posing zero flooding risk.

Celestial Almanac

Moon Phase

Waxing Crescent

24% Illumination
Moonrise
11:30 AM
Moonset
12:37 AM
Purchase Area
Sunrise
6:35 AM
Sunset
9:18 PM
Civil Dawn
6:04 AM
Civil Dusk
9:49 PM
Northwest Pennyrile
Sunrise
6:27 AM
Sunset
9:14 PM
Civil Dawn
5:56 AM
Civil Dusk
9:45 PM
Southwest Pennyrile
Sunrise
6:31 AM
Sunset
9:13 PM
Civil Dawn
6:01 AM
Civil Dusk
9:44 PM
Barren River
Sunrise
6:27 AM
Sunset
9:09 PM
Civil Dawn
5:56 AM
Civil Dusk
9:40 PM
Louisville Metro
Sunrise
6:20 AM
Sunset
9:10 PM
Civil Dawn
5:49 AM
Civil Dusk
9:42 PM
Lincoln Trail
Sunrise
6:22 AM
Sunset
9:09 PM
Civil Dawn
5:51 AM
Civil Dusk
9:40 PM
Lake Cumberland
Sunrise
6:19 AM
Sunset
9:02 PM
Civil Dawn
5:48 AM
Civil Dusk
9:33 PM
Northern Kentucky
Sunrise
6:13 AM
Sunset
9:08 PM
Civil Dawn
5:41 AM
Civil Dusk
9:40 PM
Inner Bluegrass
Sunrise
6:16 AM
Sunset
9:04 PM
Civil Dawn
5:44 AM
Civil Dusk
9:36 PM
Bluegrass Foothills
Sunrise
6:16 AM
Sunset
9:03 PM
Civil Dawn
5:45 AM
Civil Dusk
9:34 PM
Northeast Kentucky
Sunrise
6:07 AM
Sunset
8:58 PM
Civil Dawn
5:35 AM
Civil Dusk
9:30 PM
Southeast Kentucky
Sunrise
6:13 AM
Sunset
8:57 PM
Civil Dawn
5:42 AM
Civil Dusk
9:28 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.