Today | Weather | Sunday, December 14, 2025
Active Weather Warnings

Weather in Louisville, Kentucky

08:19 AM
Now
Cloudy Weather
F
Feels Like -2°
Precipitation 0 %
Wind 9 mph
UV Index (0 - 11+) 0
Humidity 67 %
Today
Cold Day
Day 14°
Night
Precipitation 0 %
Wind 9 mph
UV Index (0 - 11+) 2

Louisville Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (December 14, 2024)
Rainy Weather

Day

54°

Night

46°

Wind

12 mph

Precipitation

100 %

Air Quality in Louisville

NOW
35 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 1.62 µg/m³
PM10 2.06 µg/m³
O3 0.037 ppm
NO2 2.4 ppb
SO2 1.6 ppb
CO 0.13 ppm
NH3 0.68 µg/m³
NO 0 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)
PM2.51.62 µg/m³
PM102.06 µg/m³
O373.42 µg/m³
NO24.55 µg/m³
SO24.11 µg/m³
CO147.71 µg/m³
NH30.68 µg/m³
NO0 µg/m³

Weather Alerts and Warnings for Louisville

Moderate Expected Likely

Cold Weather Advisory

Cold Weather Advisory issued December 14 at 3:28AM EST until December 15 at 10:00AM EST by NWS Louisville KY
Dec 14, 3:28 AM Dec 15, 10:00 AM
WHAT: Very cold wind chills as low as 12 below expected.

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

WHEN: Until 10 AM EST /9 AM CST/ Monday.

IMPACTS: The cold wind chills as low as 10 below zero could
result in hypothermia if precautions are not taken. Frostbite and
hypothermia will occur if unprotected skin is exposed to these
temperatures.
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Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside.
Updated: Dec 14, 7:10 AM Source: NWS Alert