kywx
Kentucky AI Weather Engine

Kentucky AI Forecasting Beta

Sun, Jul 5
Tue, Jul 7
Forecast For

Monday, July 6

Updated Jul 5, 7:09 PM EDT

NWS Alerts Active This Day

Air Quality Alert

Jul 5, 12:32 AM -> Jul 6, 12:00 AM
Unknown Severity

Air Quality Alert issued July 5 at 12:32AM EDT by NWS Wilmington OH

Dense Fog Advisory

Jul 6, 5:00 AM -> Jul 6, 10:00 AM
Moderate Severity

Dense Fog Advisory issued July 6 at 4:00AM CDT until July 6 at 9:00AM CDT by NWS Paducah KY

Flood Advisory

Jul 6, 1:11 PM -> Jul 6, 4:15 PM
Minor Severity

Flood Advisory issued July 6 at 1:11PM EDT until July 6 at 4:15PM EDT by NWS Wilmington OH

Flood Advisory

Jul 6, 1:14 PM -> Jul 6, 4:15 PM
Minor Severity

Flood Advisory issued July 6 at 1:14PM EDT until July 6 at 4:15PM EDT by NWS Louisville KY

Special Weather Statement

Jul 6, 1:35 PM -> Jul 6, 2:15 PM
Moderate Severity

Special Weather Statement issued July 6 at 1:35PM EDT by NWS Wilmington OH

Flood Advisory

Jul 6, 1:42 PM -> Jul 6, 4:45 PM
Minor Severity

Flood Advisory issued July 6 at 1:42PM EDT until July 6 at 4:45PM EDT by NWS Wilmington OH

Flood Advisory

Jul 6, 1:52 PM -> Jul 6, 5:00 PM
Minor Severity

Flood Advisory issued July 6 at 12:52PM CDT until July 6 at 4:00PM CDT by NWS Paducah KY

Flood Advisory

Jul 6, 1:57 PM -> Jul 6, 5:00 PM
Minor Severity

Flood Advisory issued July 6 at 12:57PM CDT until July 6 at 4:00PM CDT by NWS Paducah KY

Special Weather Statement

Jul 6, 2:10 PM -> Jul 6, 2:45 PM
Moderate Severity

Special Weather Statement issued July 6 at 2:10PM EDT by NWS Louisville KY

Flood Advisory

Jul 6, 2:18 PM -> Jul 6, 5:30 PM
Minor Severity

Flood Advisory issued July 6 at 2:18PM EDT until July 6 at 5:30PM EDT by NWS Louisville KY

Special Weather Statement

Jul 6, 2:34 PM -> Jul 6, 3:15 PM
Moderate Severity

Special Weather Statement issued July 6 at 1:34PM CDT by NWS Paducah KY

Special Weather Statement

Jul 6, 2:35 PM -> Jul 6, 3:00 PM
Moderate Severity

Special Weather Statement issued July 6 at 2:35PM EDT by NWS Charleston WV

Flood Advisory

Jul 6, 2:37 PM -> Jul 6, 5:45 PM
Minor Severity

Flood Advisory issued July 6 at 2:37PM EDT until July 6 at 5:45PM EDT by NWS Louisville KY

Flash Flood Warning

Jul 6, 2:50 PM -> Jul 6, 6:00 PM
Severe Severity

Flash Flood Warning issued July 6 at 2:50PM EDT until July 6 at 6:00PM EDT by NWS Louisville KY

Special Weather Statement

Jul 6, 2:57 PM -> Jul 6, 3:15 PM
Moderate Severity

Special Weather Statement issued July 6 at 2:57PM EDT by NWS Jackson KY

Confidence
85%

Humid with Scattered Summer Showers Across the Commonwealth

A moist airmass and several weak upper-level disturbances will bring rounds of light to moderate rain to Kentucky. While much of the day will be cloudy and humid, the most persistent rain will focus on the western and eastern regions, with scattered showers elsewhere.

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

High agreement on the overall humid airmass and presence of moisture, but minor penalties for timing differences and the NAM's drier solution in the central corridor.

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
Morning Rain and Humid Afternoon
Rain
84°/ 71°

Northwest Pennyrile

NUISANCE
Owensboro, Henderson, Morganfield
Showers Likely Along the Ohio River
Rain
84°/ 72°

Southwest Pennyrile

NUISANCE
Hopkinsville, Madisonville, Princeton
Afternoon Rain and Humid Skies
Rain
83°/ 70°

Barren River

NUISANCE
Bowling Green, Glasgow, Franklin
Cloudy with Periods of Rain
Rain
84°/ 72°

Louisville Metro

NUISANCE
Louisville, La Grange, Shepherdsville
Humid with Scattered Showers
Rain
85°/ 73°

Lincoln Trail

NUISANCE
Elizabethtown, Bardstown, Leitchfield
Damp Day for the Escarpment
Rain
84°/ 71°

Lake Cumberland

NUISANCE
Somerset, Columbia, Monticello
Warm with Afternoon Rain
Rain
86°/ 69°

Northern Kentucky

NUISANCE
Covington, Florence, Independence
Late Day Showers and Very Warm
Rain
88°/ 72°

Inner Bluegrass

NUISANCE
Lexington, Georgetown, Winchester
Cloudy with Light Showers
Rain
85°/ 71°

Bluegrass Foothills

NUISANCE
Richmond, Danville, Berea
Damp and Humid with Persistent Rain
Rain
84°/ 69°

Northeast Kentucky

NUISANCE
Ashland, Morehead, Grayson
Hot Afternoon with Evening Showers
Rain
89°/ 70°

Southeast Kentucky

NUISANCE
Hazard, Pikeville, Harlan
Mountain Showers Developing Late
Rain
84°/ 69°

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 convective elements become more organized or 'train' over the same areas as suggested by the GFS, localized rainfall totals could exceed 1.25 inches, particularly in the western Purchase and Bluegrass Foothills.

💨

The 'Bust' Scenario

If mid-level dry air identified in the NAM profiles persists, much of central and northern Kentucky may see nothing more than 'virga' or light sprinkles, with significant rainfall staying confined to the far west.

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 Heat vs. Cloud Battle

The GFS forecasts highs in the low 90s for Northern and Northeast KY, while the NAM and Euro suggest mid-80s due to extensive cloud cover.

GFS
VS
NAM
VS
EURO
Why BLEND Wins

While cloud cover will be significant, summer solar insolation usually triumphs over thin stratiform decks. A blend between the cooler Euro and hotter GFS accounts for the likely breaks in the clouds.

Affected Regions
NORTHERN KYNORTHEAST KY

The Coverage Conflict

A major disagreement exists regarding precipitation coverage. The GFS and Euro favor widespread 80% coverage, whereas the NAM keeps a dry slot over the Louisville and Lexington corridors.

NAM
VS
GFS
VS
EURO
Why EURO Wins

The GFS likely suffers from its 'smear' bias, but the NAM's dry slot appears too aggressive given the high moisture content (PWATs > 1.7in) and synoptic lift. The Euro provides the most realistic middle-ground for coverage.

Affected Regions
LOUISVILLE METROBLUEGRASS CORENORTHERN 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

Standard moist-adiabatic lapse rates. Vertical profiles show a deep warm cloud layer with the freezing level well above 12,000ft.

Thermal Boundary

A weak surface trough is stalled along the Ohio River, slowly drifting east through the afternoon.

Diurnal Trend

Diurnal curves will be slightly muted by 60-90% cloud cover, leading to a narrower temperature range than a typical July day.

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 significant frontal passage; wind shifts to the southwest will be subtle as the trough axis passes.

Jet Stream Support

The right entrance region of a 90kt jet streak to the north provides broad synoptic lift.

Energy Status

Compact shortwave troughing is pivoting through the Purchase at 03z, with weaker vorticity pulses following in the 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

The column is saturated in the 850-700mb layer; low dewpoint depressions (less than 5 degrees) suggest high humidity at the surface.

Precipitation Character

Primarily stratiform with embedded convective elements. Showers will be efficient but lack the vertical development for severe storms.

Flooding Context

Ground moisture is moderate, and rainfall rates are expected to stay below flash flood thresholds.

Celestial Almanac

Moon Phase

Waning Gibbous

63% Illumination
Moonrise
12:36 AM
Moonset
1:12 PM
Purchase Area
Sunrise
6:41 AM
Sunset
9:18 PM
Civil Dawn
6:11 AM
Civil Dusk
9:49 PM
Northwest Pennyrile
Sunrise
6:33 AM
Sunset
9:14 PM
Civil Dawn
6:02 AM
Civil Dusk
9:45 PM
Southwest Pennyrile
Sunrise
6:37 AM
Sunset
9:13 PM
Civil Dawn
6:07 AM
Civil Dusk
9:44 PM
Barren River
Sunrise
6:33 AM
Sunset
9:09 PM
Civil Dawn
6:03 AM
Civil Dusk
9:40 PM
Louisville Metro
Sunrise
6:27 AM
Sunset
9:10 PM
Civil Dawn
5:55 AM
Civil Dusk
9:41 PM
Lincoln Trail
Sunrise
6:29 AM
Sunset
9:09 PM
Civil Dawn
5:58 AM
Civil Dusk
9:40 PM
Lake Cumberland
Sunrise
6:25 AM
Sunset
9:02 PM
Civil Dawn
5:55 AM
Civil Dusk
9:33 PM
Northern Kentucky
Sunrise
6:19 AM
Sunset
9:08 PM
Civil Dawn
5:47 AM
Civil Dusk
9:40 PM
Inner Bluegrass
Sunrise
6:22 AM
Sunset
9:05 PM
Civil Dawn
5:51 AM
Civil Dusk
9:36 PM
Bluegrass Foothills
Sunrise
6:22 AM
Sunset
9:03 PM
Civil Dawn
5:51 AM
Civil Dusk
9:34 PM
Northeast Kentucky
Sunrise
6:13 AM
Sunset
8:58 PM
Civil Dawn
5:42 AM
Civil Dusk
9:30 PM
Southeast Kentucky
Sunrise
6:19 AM
Sunset
8:57 PM
Civil Dawn
5:49 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.