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Today | Weather | Thursday, December 11, 2025
Active Weather Warnings

Weather in Louisville, Kentucky

01:21 PM
Now
Cloudy Weather
34° F
Feels Like 28°
Precipitation 7 %
Wind 8 mph
UV Index (0 - 11+) 1
Humidity 70 %
Today
Cloudy Weather
Day 36°
Night 30°
Precipitation 25 %
Wind 7 mph
UV Index (0 - 11+) 1

Louisville Weather Forecast Updated

Weather Forecast History
Last Year's Weather on This Day (December 11, 2024)
Snowy Weather

Day

39°

Night

21°

Wind

11 mph

Precipitation

60 %

Air Quality in Louisville

NOW
31 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 1.63 µg/m³
PM10 2.24 µg/m³
O3 0.033 ppm
NO2 2.3 ppb
SO2 1.9 ppb
CO 0.14 ppm
NH3 0.43 µg/m³
NO 0.98 µg/m³
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide
NH3 – Ammonia
NO – Nitric oxide

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)
PM2.5 – 1.63 µg/m³
PM10 – 2.24 µg/m³
O3 – 64.77 µg/m³
NO2 – 4.39 µg/m³
SO2 – 4.92 µg/m³
CO – 156.85 µg/m³
NH3 – 0.43 µg/m³
NO – 0.98 µg/m³
View Hourly Air Quality Forecast

Weather Alerts and Warnings for Louisville

Moderate Expected Likely

Winter Weather Advisory

Winter Weather Advisory issued December 11 at 3:54AM EST until December 12 at 7:00AM EST by NWS Louisville KY
Dec 11, 7:00 PM → Dec 12, 7:00 AM
WHAT: Snow expected. Total snow accumulations of 1 to 3 inches.

WHERE: Portions of south central Indiana and east central, north
central, and south central Kentucky.

WHEN: From 7 PM this evening to 7 AM EST Friday.

IMPACTS: Plan on slippery road conditions. The hazardous
conditions could impact the Friday morning commute.
+ Read More
Slow down and use caution while traveling. In Indiana, for Indiana Road Conditions please visit http://511in.org In Kentucky, for Kentucky Road Conditions please visit http://goky.ky.gov Be prepared for slippery roads. Slow down and use caution while driving. If you are going outside, watch your first few steps taken on stairs, sidewalks, and driveways. These surfaces could be icy and slippery, increasing your risk of a fall and injury.
Updated: Dec 11, 7:23 AM Source: NWS Alert