Wednesday, June 3
NWS Alerts Active This Day
Air Quality Alert
Air Quality Alert issued June 3 at 3:20PM EDT by NWS Wilmington OH
The Southwest Ohio Air Quality Agency has issued an Air Quality Advisory for Butler, Clermont, Hamilton and Warren counties in Ohio; Boone, Campbell and Kenton counties in Kentucky; and Dearborn County in Indiana, from midnight tonight to midnight EDT Thursday night. Levels of ozone within the region may approach or exceed unhealthy standards. On Alert days, help reduce ozone by taking the following actions: * Carpool, if possible, bike, walk or take the bus instead of driving alone. * Refuel your vehicle after 8 pm. * Do not idle your vehicle, exhaust contributes to air pollution. * Mow your lawn in the evening hours and avoid the use of gas-powered lawn equipment. For additional information, please visit the Southwest Ohio Air Quality Agency's web site at www.southwestohioair.org/local_air_quality
Air Quality Alert
Air Quality Alert issued June 3 at 3:37PM EDT by NWS Wilmington OH
The Southwest Ohio Air Quality Agency has issued an Air Quality Advisory for Butler, Clermont, Hamilton and Warren counties in Ohio; Boone, Campbell and Kenton counties in Kentucky; and Dearborn County in Indiana, from midnight tonight to midnight EDT Thursday night. Levels of ozone within the region may approach or exceed unhealthy standards. On Alert days, help reduce ozone by taking the following actions: * Carpool, if possible, bike, walk or take the bus instead of driving alone. * Refuel your vehicle after 8 pm. * Do not idle your vehicle, exhaust contributes to air pollution. * Mow your lawn in the evening hours and avoid the use of gas-powered lawn equipment. For additional information, please visit the Southwest Ohio Air Quality Agency's web site at www.southwestohioair.org/local_air_quality
Abundant Sunshine and Warm Conditions Across Kentucky
A dominant area of high pressure will maintain control across the Commonwealth, bringing clear skies and seasonably warm temperatures with no chance of precipitation.
Confidence Assessment
Exceptional model agreement across all suites regarding the lack of moisture and the position of the surface high pressure system ensures a high-confidence dry forecast.
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
Residents can expect wall-to-wall sunshine and low humidity. High temperatures will reach around 81 degrees with light winds.
Northwest Pennyrile
Expect a beautiful day with plenty of sun along the Ohio River. Highs will be near 80 degrees with calm conditions.
Southwest Pennyrile
Beautiful sunny skies will prevail throughout the day. Highs will reach the upper 70s to near 80 degrees.
Barren River
Sunshine will be abundant for Bowling Green and surrounding areas. Temperatures will peak at approximately 79 degrees.
Louisville Metro
The metro area will see sunny skies and highs reaching the low 80s. Humidity remains comfortably low throughout the afternoon.
Lincoln Trail
A very quiet weather day with highs in the upper 70s. Light breezes will make for a pleasant afternoon.
Lake Cumberland
Crystal clear skies and highs in the upper 70s. Great conditions for boating and outdoor activities.
Northern Kentucky
Expect clear skies and a high near 79 degrees. A few morning gusts are possible before winds calm by midday.
Inner Bluegrass
Lexington and the core Bluegrass will see sunny skies all day. Temperatures will reach around 77 degrees.
Bluegrass Foothills
A crisp start leads to a warm, sunny afternoon. Highs will top out in the upper 70s.
Northeast Kentucky
Expect sunny skies with highs reaching the upper 70s to 80 degrees. Winds will be very light throughout the day.
Southeast Kentucky
Hazard and Pikeville will see clear skies and comfortable temps. Highs will be in the mid to upper 70s.
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
Full solar insolation and deep mixing of the boundary layer allow temperatures to overperform, reaching the mid-80s in the Purchase and Metro areas.
The 'Bust' Scenario
Residual moisture from the northeast allows for a few fair-weather cumulus clouds to develop, which along with a slightly stronger northerly breeze, keeps highs in the mid-70s.
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 Morning Gust Conflict
The NAM and GFS indicate a departing low-level jet that could produce morning gusts up to 25 mph in Northern Kentucky, while the Euro remains much calmer.
Why NAM Wins
The NAM typically resolves these low-level wind features with higher precision in the 0-18 hour window compared to global models.
The Afternoon Peak Heat
A minor disagreement exists between the GFS and the NAM/Euro regarding peak afternoon temperatures. The GFS is slightly cooler, while the NAM and Euro suggest deeper boundary layer mixing will push highs into the low 80s for western and central regions.
Why EURO Wins
The Euro's handling of the 588dm ridge and surface dew point depressions suggests more efficient solar heating, which is typical for this synoptic setup in early June.
Celestial Almanac
Waning Gibbous
Purchase Area
Northwest Pennyrile
Southwest Pennyrile
Barren River
Louisville Metro
Lincoln Trail
Lake Cumberland
Northern Kentucky
Inner Bluegrass
Bluegrass Foothills
Northeast Kentucky
Southeast Kentucky
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.