kywx
Kentucky AI Weather Engine

Kentucky AI Forecasting Beta

Sat, Feb 28
Mon, Mar 2
Forecast For

Sunday, March 1

Updated Mar 1, 5:59 AM EST

NWS Alerts Active This Day

Winter Weather Advisory

Mar 1, 12:33 PM -> Mar 1, 8:45 PM
Moderate Severity

Winter Weather Advisory issued March 1 at 12:33PM EST until March 2 at 11:00AM EST by NWS Wilmington OH

Winter Weather Advisory

Mar 1, 12:33 PM -> Mar 1, 8:45 PM
Moderate Severity

Winter Weather Advisory issued March 1 at 12:33PM EST until March 2 at 11:00AM EST by NWS Wilmington OH

Winter Weather Advisory

Mar 1, 1:46 PM -> Mar 1, 10:00 PM
Moderate Severity

Winter Weather Advisory issued March 1 at 1:46PM EST until March 2 at 12:00PM EST by NWS Charleston WV

Special Weather Statement

Mar 1, 1:49 PM -> Mar 2, 2:00 AM
Moderate Severity

Special Weather Statement issued March 1 at 1:49PM EST by NWS Jackson KY

Special Weather Statement

Mar 1, 2:59 PM -> Mar 2, 5:00 AM
Moderate Severity

Special Weather Statement issued March 1 at 2:59PM EST by NWS Louisville KY

Special Weather Statement

Mar 1, 4:29 PM -> Mar 2, 2:00 AM
Moderate Severity

Special Weather Statement issued March 1 at 4:29PM EST by NWS Charleston WV

Confidence
85%

How Did We Do?

Comparing our AI forecast to actual observations from Sunday, March 1, 2026.

Temperature
±10.8°F
Average Error
Precipitation
±0.35"
Average Error
Wind Speed
±5.0mph
Average error

Regional Assessments

Purchase Area

Paducah, Murray, Mayfield
Temperature
Forecast
56° / 40°
Actual
67° / 32°
Error: -11°F high, 8°F low
Precipitation
Forecast
0"
Actual
0"
✓ Within forecast range
Wind Speed
Forecast
13 / 26 mph
Actual
7 / 23 mph
Mesonet Stations HCKM, BAND

Northwest Pennyrile

Owensboro, Henderson, Morganfield
Temperature
Forecast
54° / 41°
Actual
67° / 34°
Error: -13°F high, 7°F low
Precipitation
Forecast
0"
Actual
0.6"
±0.6" off
Wind Speed
Forecast
12 / 27 mph
Actual
7 / 23 mph
Mesonet Stations FRNY, RPTN, GRHM, DIXO

Southwest Pennyrile

Hopkinsville, Madisonville, Princeton
Temperature
Forecast
59° / 45°
Actual
70° / 37°
Error: -11°F high, 8°F low
Precipitation
Forecast
0"
Actual
0"
✓ Within forecast range
Wind Speed
Forecast
11 / 22 mph
Actual
7 / 20 mph
Mesonet Stations PRNC, PGHL, ERLN, CADZ, CCTY

Barren River

Bowling Green, Glasgow, Franklin
Temperature
Forecast
58° / 44°
Actual
66° / 45°
Error: -8°F high, -1°F low
Precipitation
Forecast
0.01"
Actual
0"
✓ Within forecast range
Wind Speed
Forecast
11 / 24 mph
Actual
5 / 18 mph
Mesonet Stations FARM, WDBY, EWPK

Louisville Metro

Louisville, La Grange, Shepherdsville
Temperature
Forecast
53° / 39°
Actual
63° / 34°
Error: -10°F high, 5°F low
Precipitation
Forecast
0.01"
Actual
0.26"
±0.25" off
Wind Speed
Forecast
12 / 28 mph
Actual
9 / 22 mph
Mesonet Stations LGRN

Lincoln Trail

Elizabethtown, Bardstown, Leitchfield
Temperature
Forecast
54° / 40°
Actual
64° / 37°
Error: -10°F high, 3°F low
Precipitation
Forecast
0.02"
Actual
0.14"
✓ Within forecast range
Wind Speed
Forecast
12 / 27 mph
Actual
6 / 19 mph
Mesonet Stations CRMT, BLRK, CCLA, BRND, HARD

Lake Cumberland

Somerset, Columbia, Monticello
Temperature
Forecast
58° / 43°
Actual
65° / 32°
Error: -7°F high, 11°F low
Precipitation
Forecast
0"
Actual
0"
✓ Within forecast range
Wind Speed
Forecast
10 / 20 mph
Actual
4 / 18 mph
Mesonet Stations PCWN, CMBA, GRDR, WOOD, GRBG

Northern Kentucky

Covington, Florence, Independence
Temperature
Forecast
46° / 32°
Actual
60° / 30°
Error: -14°F high, 2°F low
Precipitation
Forecast
0"
Actual
1.22"
±1.22" off
Wind Speed
Forecast
13 / 24 mph
Actual
7 / 26 mph
Mesonet Stations HHTS, HUEY

Inner Bluegrass

Lexington, Georgetown, Winchester
Temperature
Forecast
51° / 36°
Actual
62° / 35°
Error: -11°F high, 1°F low
Precipitation
Forecast
0.05"
Actual
0.39"
±0.34" off
Wind Speed
Forecast
13 / 25 mph
Actual
7 / 19 mph
Mesonet Stations LXGN, SPIN

Bluegrass Foothills

Richmond, Danville, Berea
Temperature
Forecast
50° / 38°
Actual
62° / 42°
Error: -12°F high, -4°F low
Precipitation
Forecast
0.03"
Actual
0"
✓ Within forecast range
Wind Speed
Forecast
10 / 22 mph
Actual
5 / 15 mph
Mesonet Stations LGNT

Northeast Kentucky

Ashland, Morehead, Grayson
Temperature
Forecast
48° / 36°
Actual
55° / 37°
Error: -7°F high, -1°F low
Precipitation
Forecast
0.04"
Actual
1.59"
±1.55" off
Wind Speed
Forecast
9 / 20 mph
Actual
5 / 18 mph
Mesonet Stations MRHD, CHTR

Southeast Kentucky

Hazard, Pikeville, Harlan
Temperature
Forecast
52° / 40°
Actual
67° / 40°
Error: -15°F high, 0°F low
Precipitation
Forecast
0.1"
Actual
0.02"
✓ Within forecast range
Wind Speed
Forecast
6 / 17 mph
Actual
3 / 17 mph
Mesonet Stations BMBL, QKSD, BNVL, VEST, RFVC, RFSM, PBDY

Morning Showers Exit for a Breezy and Cooler Afternoon

A progressive cold front will sweep across Kentucky from northwest to southeast today. Expect a narrow band of light rain showers through the morning and early afternoon, followed by rapid clearing and gusty northwest winds as a much drier air mass arrives.

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

High confidence in the timing of the frontal passage and the purely liquid precipitation type. Point deductions are due to minor disagreements on rainfall totals in the far west and the exact peak of afternoon wind gusts.

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
Dry and Breezy Post-Frontal Day
Sunny
56°/ 40°

Northwest Pennyrile

Owensboro, Henderson, Morganfield
Early Morning Sprinkles, Then Clearing
Cloudy
54°/ 41°

Southwest Pennyrile

Hopkinsville, Madisonville, Princeton
Pleasant and Breezy Afternoon
Sunny
59°/ 45°

Barren River

NUISANCE
Bowling Green, Glasgow, Franklin
Brief Morning Rain, Sun Follows
Rain
58°/ 44°

Louisville Metro

NUISANCE
Louisville, La Grange, Shepherdsville
Morning Showers Give Way to Sun
Rain
53°/ 39°

Lincoln Trail

NUISANCE
Elizabethtown, Bardstown, Leitchfield
Damp Morning, Windy Afternoon
Rain
54°/ 40°

Lake Cumberland

Somerset, Columbia, Monticello
Mild and Mostly Dry
Cloudy
58°/ 43°

Northern Kentucky

Covington, Florence, Independence
Cold, Gray, and Windy
Cloudy
46°/ 32°

Inner Bluegrass

NUISANCE
Lexington, Georgetown, Winchester
Light Morning Rain, Breezy Afternoon
Rain
51°/ 36°

Bluegrass Foothills

NUISANCE
Richmond, Danville, Berea
Damp Morning, Clearing for Afternoon
Rain
50°/ 38°

Northeast Kentucky

NUISANCE
Ashland, Morehead, Grayson
Morning Showers, Cold and Breezy Afternoon
Rain
48°/ 36°

Southeast Kentucky

NUISANCE
Hazard, Pikeville, Harlan
Steady Morning Rain, Drier by Late Afternoon
Rain
52°/ 40°

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 frontal moisture pooling is more efficient or the boundary slows, rainfall totals could reach 0.25 inches in the Bluegrass and Eastern Kentucky, with clouds lingering through sunset.

💨

The 'Bust' Scenario

Strong dry air entrainment in the low levels could evaporate most precipitation before it reaches the ground, resulting in mere virga and a dry day for everyone except the high 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 Western Moisture Pulse

The ECMWF introduces a secondary wave of moisture into the Purchase area late Sunday evening, while the NAM, GFS, and GEM remain dry due to aggressive post-frontal subsidence.

EURO
VS
GFS
VS
NAM
Why BLEND Wins

While the Euro is often superior with moisture returns, the strong consensus of the NAM/GFS/GEM on the magnitude of post-frontal dry air suggests the Euro is an outlier. The forecast leans drier for the daytime but maintains a low-end PoP for the evening.

Affected Regions
PURCHASENORTHWEST PENNYRILE

Post-Frontal Momentum Transfer

The NAM and GFS suggest much higher wind gusts (25-30 mph) following the frontal passage compared to the lighter ECMWF solution.

NAM
VS
GFS
VS
EURO
Why NAM Wins

The NAM typically handles the mixed layer and pressure gradient force better in post-frontal environments. Given the 110kt jet aloft, higher gust potential is physically more plausible.

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

A standard adiabatic lapse rate is expected following the front. Surface temperatures in the 50s will give way to cold air advection, with 850mb temps dropping to -4C by evening.

Thermal Boundary

The primary surface cold front enters the Purchase at 06z and exits the Southeast Coalfields by 18z.

Diurnal Trend

A non-diurnal trend will be prominent in Northern and Western KY, where temperatures will peak in the morning and fall or remain steady through the 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

Evidence of passage includes a sharp wind shift from SW to NW and a 15-20 degree dew point drop within a 4-hour window.

Jet Stream Support

The right-exit region of the upper-level jet provides sufficient divergence to maintain high PoPs despite the moisture limitations.

Energy Status

A compact shortwave trough with a vorticity max of 1.5e-4 s-1 provides the primary mid-level forcing.

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

Saturation is shallow, confined below 700mb. Significant dew point depressions at the surface in the west suggest a virga risk early in the event.

Precipitation Character

Stratiform light rain and drizzle. Zero CAPE precludes any convective or lightning threat.

Flooding Context

No flooding risk. Total QPF of 0.01 to 0.10 inches is well within the soil's infiltration capacity.

Winter Physics

Accumulation & Layers

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

Layer Analysis

Atmospheric column is entirely above freezing during the period of saturation.

Crystal Habit

Not applicable as no snow is forecast.

Road Impact

Roads will remain wet during the morning and dry quickly in the afternoon due to gusty winds and low humidity.

Celestial Almanac

Moon Phase

Waxing Gibbous

96% Illumination
Moonrise
5:13 PM
Moonset
6:39 AM
Purchase Area
Sunrise
7:26 AM
Sunset
6:49 PM
Civil Dawn
7:00 AM
Civil Dusk
7:15 PM
Northwest Pennyrile
Sunrise
7:21 AM
Sunset
6:42 PM
Civil Dawn
6:55 AM
Civil Dusk
7:09 PM
Southwest Pennyrile
Sunrise
7:22 AM
Sunset
6:45 PM
Civil Dawn
6:56 AM
Civil Dusk
7:11 PM
Barren River
Sunrise
7:18 AM
Sunset
6:41 PM
Civil Dawn
6:52 AM
Civil Dusk
7:07 PM
Louisville Metro
Sunrise
7:16 AM
Sunset
6:37 PM
Civil Dawn
6:50 AM
Civil Dusk
7:03 PM
Lincoln Trail
Sunrise
7:16 AM
Sunset
6:38 PM
Civil Dawn
6:50 AM
Civil Dusk
7:04 PM
Lake Cumberland
Sunrise
7:11 AM
Sunset
6:33 PM
Civil Dawn
6:44 AM
Civil Dusk
6:59 PM
Northern Kentucky
Sunrise
7:12 AM
Sunset
6:31 PM
Civil Dawn
6:45 AM
Civil Dusk
6:58 PM
Inner Bluegrass
Sunrise
7:11 AM
Sunset
6:32 PM
Civil Dawn
6:44 AM
Civil Dusk
6:58 PM
Bluegrass Foothills
Sunrise
7:10 AM
Sunset
6:31 PM
Civil Dawn
6:43 AM
Civil Dusk
6:58 PM
Northeast Kentucky
Sunrise
7:04 AM
Sunset
6:24 PM
Civil Dawn
6:37 AM
Civil Dusk
6:51 PM
Southeast Kentucky
Sunrise
7:05 AM
Sunset
6:27 PM
Civil Dawn
6:39 AM
Civil Dusk
6:53 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.