Louisville, Kentucky Weather Conditions

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Current Conditions

  • 73°
  • Scattered Clouds
  • Wind: SW 7 mph
  • Humidity: 87%
  • Visibility: 10.0 miles
  • Dew Point: 69°
  • Pressure: 30.02 in. -

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Next 12 Hours

2  am
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Thunderstorm
T-storms
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Forecast data from the National Digital Forecast Database.

5 Day Forecast

  • Thursday
  • Thunderstorm
  • High: 91 °
  • Low: 75 °
  • T-Storms
  • Friday
  • Thunderstorm
  • High: 93 °
  • Low: 75 °
  • Thunderstorm
  • Saturday
  • Chance of a Thunderstorm
  • High: 91 °
  • Low: 70 °
  • Chance of T-Storms
  • Sunday
  • Partly Cloudy
  • High: 95 °
  • Low: 73 °
  • Partly Cloudy
  • Monday
  • Chance of a Thunderstorm
  • High: 93 °
  • Low: 73 °
  • Chance of a Thunderstorm

Forecast for Louisville, Kentucky

Updated: 11:00 PM EDT on August 20, 2014

  • Thursday

    Overcast with thunderstorms and rain showers. High of 91F with a heat index of 97F. Winds from the SW at 5 to 10 mph. Chance of rain 30%.

  • Thursday Night

    Partly cloudy with thunderstorms and rain showers. Low of 75F. Winds from the SW at 5 to 10 mph. Chance of rain 20%.

  • Friday

    Overcast with a chance of a thunderstorm and a chance of rain in the morning, then partly cloudy with a chance of a thunderstorm and a chance of rain. High of 93F with a heat index of 102F. Winds from the WSW at 5 to 10 mph. Chance of rain 20%.

  • Friday Night

    Overcast with a chance of a thunderstorm and a chance of rain in the evening, then partly cloudy with a chance of a thunderstorm and a chance of rain. Low of 75F. Winds from the SW at 5 to 10 mph. Chance of rain 30%.

  • Saturday

    Partly cloudy with a chance of a thunderstorm and a chance of rain. High of 91F with a heat index of 97F. Winds from the WSW at 5 to 10 mph. Chance of rain 30%.

  • Saturday Night

    Partly cloudy with a chance of a thunderstorm and rain. Low of 70F. Winds less than 5 mph. Chance of rain 40%.

  • Sunday

    Partly cloudy. High of 95F. Winds less than 5 mph.

  • Sunday Night

    Partly cloudy with a chance of a thunderstorm and rain after midnight. Low of 73F. Winds from the ESE at 5 to 10 mph. Chance of rain 30%.

  • Monday

    Partly cloudy with a chance of a thunderstorm and rain. High of 93F. Winds less than 5 mph. Chance of rain 20%.

  • Monday Night

    Partly cloudy with a chance of a thunderstorm. Low of 73F. Winds from the East at 5 to 10 mph shifting to the SSE after midnight. Chance of rain 40%.

  • Tuesday

    Partly cloudy with a chance of a thunderstorm. High of 93F. Winds less than 5 mph. Chance of rain 30%.

  • Tuesday Night

    Partly cloudy. Low of 72F. Winds less than 5 mph.

  • Wednesday

    Partly cloudy with a chance of a thunderstorm. High of 88F. Winds less than 5 mph. Chance of rain 40%.

  • Wednesday Night

    Partly cloudy with a chance of a thunderstorm. Low of 72F. Winds less than 5 mph. Chance of rain 20%.

  • Thursday

    Partly cloudy with a chance of a thunderstorm. High of 86F. Winds less than 5 mph. Chance of rain 50%.

  • Thursday Night

    Partly cloudy with a chance of a thunderstorm. Fog overnight. Low of 66F. Winds less than 5 mph. Chance of rain 50%.

  • Friday

    Partly cloudy with a chance of a thunderstorm. High of 81F. Winds less than 5 mph. Chance of rain 40%.

  • Friday Night

    Partly cloudy. Fog overnight. Low of 63F. Winds less than 5 mph.

  • Saturday

    Partly cloudy. High of 79F. Winds less than 5 mph.

  • Saturday Night

    Partly cloudy. Low of 63F. Winds less than 5 mph.

  • Sunday

    Clear. High of 81F. Winds less than 5 mph.

  • Sunday Night

    Clear. Low of 63F. Winds less than 5 mph.

Personal Weather Stations

Personal Weather Stations [Add your weather station!]

Location: Louisville, KY, Louisville, KY

Updated: 12:06 AM EDT

Temperature: 77.4 °F Dew Point: 73 °F Humidity: 84% Wind: Calm Pressure: 29.51 in Hourly Precipitation: 0.00 in Heat Index: 79 °F Graphs

Location: RMR - Louisville, Louisville, KY

Updated: 2:17 AM EDT

Temperature: 75.0 °F Dew Point: 71 °F Humidity: 86% Wind: Calm Pressure: 29.97 in Hourly Precipitation: 0.00 in Heat Index: 75 °F Graphs

Location: Shively, Louisville, KY

Updated: 2:16 AM EDT

Temperature: 73.6 °F Dew Point: 64 °F Humidity: 72% Wind: Calm Pressure: 29.62 in Hourly Precipitation: 0.00 in Heat Index: 75 °F Graphs

Location: Towne Orchard subdivision of the Highlands, Louisville, KY

Updated: 2:17 AM EDT

Temperature: 73.4 °F Dew Point: 14 °F Humidity: 10% Wind: Calm Pressure: 30.08 in Hourly Precipitation: 0.00 in Heat Index: 74 °F Graphs

Location: Pine View, New Albany, IN

Updated: 2:15 AM EDT

Temperature: 72.4 °F Dew Point: 70 °F Humidity: 92% Wind: Calm Pressure: 29.97 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: WEST OF IROQUOIS GOLF COURSE, LOUISVILLE, KY

Updated: 2:17 AM EDT

Temperature: 73.2 °F Dew Point: 69 °F Humidity: 88% Wind: Calm Pressure: 30.02 in Hourly Precipitation: 0.00 in Heat Index: 72 °F Graphs

Location: Brent Heights, New Albany, IN

Updated: 2:16 AM EDT

Temperature: 72.7 °F Dew Point: 70 °F Humidity: 92% Wind: SW at 1.0 mph Pressure: 29.98 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: Parkwood, Clarksville, IN

Updated: 2:17 AM EDT

Temperature: 72.5 °F Dew Point: 71 °F Humidity: 95% Wind: Calm Pressure: 29.91 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: Iroquois Park / Kenwood Hill, Louisville, KY

Updated: 2:17 AM EDT

Temperature: 73.1 °F Dew Point: 70 °F Humidity: 90% Wind: Calm Pressure: 29.99 in Hourly Precipitation: 0.00 in Heat Index: 71 °F Graphs

Location: Mallard Run, Jeffersonville, IN

Updated: 2:17 AM EDT

Temperature: 76.6 °F Dew Point: 69 °F Humidity: 77% Wind: Calm Pressure: 17.72 in Hourly Precipitation: 0.00 in Heat Index: 78 °F Graphs

Location: Beechwood Village, Louisville, KY

Updated: 2:17 AM EDT

Temperature: 73.5 °F Dew Point: 70 °F Humidity: 90% Wind: Calm Pressure: 29.96 in Hourly Precipitation: 0.00 in Heat Index: 71 °F Graphs

Location: Brookhaven Subdivision, Louisville, KY

Updated: 2:15 AM EDT

Temperature: 71.6 °F Dew Point: 70 °F Humidity: 94% Wind: Calm Pressure: 30.03 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: St. Regis Park, Louisville, KY

Updated: 2:15 AM EDT

Temperature: 73.2 °F Dew Point: 68 °F Humidity: 83% Wind: Calm Pressure: 30.02 in Hourly Precipitation: 0.00 in Heat Index: 73 °F Graphs

Location: Brookhaven, Louisville, KY

Updated: 2:05 AM EDT

Temperature: 72.7 °F Dew Point: 70 °F Humidity: 91% Wind: Calm Pressure: 30.04 in Hourly Precipitation: - Heat Index: - Graphs

Location: Old Brownsboro Place, Louisville, KY

Updated: 2:15 AM EDT

Temperature: 73.5 °F Dew Point: 69 °F Humidity: 86% Wind: Calm Pressure: 29.97 in Hourly Precipitation: 0.00 in Heat Index: 72 °F Graphs

Location: Lyndon, Louisville, KY

Updated: 2:14 AM EDT

Temperature: 73.9 °F Dew Point: 74 °F Humidity: 99% Wind: South at 2.2 mph Pressure: 30.06 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: SCENIC VALLEY, Floyds Knobs, IN

Updated: 2:03 AM EDT

Temperature: 71.2 °F Dew Point: 70 °F Humidity: 95% Wind: Calm Pressure: 29.93 in Hourly Precipitation: - Heat Index: - Graphs

Location: KB4BB Weather, Louisville, KY

Updated: 2:08 AM EDT

Temperature: 72.0 °F Dew Point: 70 °F Humidity: 94% Wind: SSW at 2.2 mph Pressure: 29.98 in Hourly Precipitation: - Heat Index: - Graphs

Location: Andrew Estates, Sellersburg, IN

Updated: 2:17 AM EDT

Temperature: 72.5 °F Dew Point: 70 °F Humidity: 92% Wind: Calm Pressure: 29.98 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: Prospect, KY

Updated: 2:10 AM EDT

Temperature: 76.0 °F Dew Point: 76 °F Humidity: 99% Wind: Calm Pressure: 30.01 in Hourly Precipitation: 0.00 in Heat Index: 75 °F Graphs

Location: Lanesville, Lanesville, IN

Updated: 2:11 AM EDT

Temperature: 71.4 °F Dew Point: 71 °F Humidity: 97% Wind: WSW at 2.0 mph Pressure: 30.00 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: Irewick Way, Louisville, KY

Updated: 2:10 AM EDT

Temperature: 71.6 °F Dew Point: 70 °F Humidity: 96% Wind: Calm Pressure: 29.92 in Hourly Precipitation: - Heat Index: - Graphs

Location: Doug and Ginger, Floyds Knobs, IN

Updated: 2:15 AM EDT

Temperature: 70.5 °F Dew Point: 69 °F Humidity: 95% Wind: Calm Pressure: 29.82 in Hourly Precipitation: - Heat Index: - Graphs

Location: Meadow Vale, Louisville, KY

Updated: 2:07 AM EDT

Temperature: 73.4 °F Dew Point: 73 °F Humidity: 98% Wind: Calm Pressure: 29.87 in Hourly Precipitation: - Heat Index: - Graphs

Location: Franklin Township, Lanesville, IN

Updated: 2:17 AM EDT

Temperature: 70.1 °F Dew Point: 69 °F Humidity: 96% Wind: SSE at 1.0 mph Pressure: 29.97 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

MSN Maps of:

Temp: Dew Point: Humidity Wind Pressure Hr Precip -

NWS Forecaster Discussion




Area forecast discussion 
National Weather Service Louisville Kentucky 
105 am EDT Thu Aug 21 2014 


..updated aviation discussion... 


Short term (now through sunday)... 
issued at 300 PM EDT Wed Aug 20 2014 


Temperatures in the mid 80s to around 90 with dewpoints in the 
low-mid 70s is making for an uncomfortable afternoon, with a few 
storms starting to pop up. Deck of high clouds streaming in from the 
northwest has helped to hold off significant development across most 
of our region to this point. Have a thunderstorm complex developing 
in the unstable airmass over north central TN, and this complex may 
force some new storms to develop along an outflow boundary in 
southern Kentucky. A few storms also are forming along the corridor from 
Hancock County to Casey County in KY, with even more storms east of 
the complex over south central in. 


Best instability and moisture still resides over southern KY, so 
will keep most focus for severe weather down there the next few 
hours, with a secondary focus over our southeastern counties. For 
this evening, should continue to see scattered development away from 
these focus areas, with the northeast forecast area having the best 
chance to continue with storms after midnight. This region will 
continue to be the focus for development the next few periods, as a 
ridge aloft should help dry out our southwest forecast area Thursday 
and Thursday night. 


That ridge will provide hotter temperatures in our southwest as 
well, with highs Thursday likely reaching the mid 90s. Heat indices 
could top out around 100. Given potential for some cloud cover have 
not gone into the next category, 100-105, for heat indices there. 
Think we can hold off on our more prolonged period of near heat 
advisory criteria until Friday, read on in the discussion below. 


Long term (sunday night through friday)... 
issued at 306 PM EDT Wed Aug 20 2014 


Friday - Monday... 


..heat, humidity, and generally unsettled weather this weekend... 


An upper ridge will be in place through this weekend and into next 
week, keeping hot and muggy conditions in place. Upper ridge looks 
"dirty" with very little in the way of a subsidence inversion 
normally seen with this type of environment. Therefore, can't do 
away with storm chances each afternoon and evening. Models are 
generally all over the place with expected precipitation fields each 
day, despite the fairly good agreement in the overall pattern. 
Therefore will just keep isolated to scattered thunderstorms in the 
forecast pretty much every day and evening. 


As far as temperatures go, highs look to top out in the low and mid 
90s each day Friday through Monday as a core of 850 mb temps between 
20 to 23c settle over the area. Some spots could touch the upper 90s 
in our western Kentucky counties. Heat indices will be a bit of a 
concern during this time period as the hot temperatures will combine 
with dew points in the low and even mid 70s. Highest heat indices 
each afternoon could top out in the 100-105 range, so forecast needs 
to be monitored for a potential heat advisory due to a prolonged 
period of days where heat indices approach criteria (105f). This 
advisory would come with a later forecast issuance. One factor that 
could limit temperatures and associated heat indices could be the 
afternoon/evening convection. 


Tuesday - Wednesday... 


Confidence lowers for the Tuesday/Wednesday time frame as some 
degree of troughing over the western Continental U.S. Tries push the upper 
ridge axis east. Should this scenario play out, it would bring 
better chances for storms to our western cwa, along with 
temperatures not as hot. As a result, will go with highs around 90. 


&& 


Aviation (00z taf update)... 
issued at 110 am EDT Thu Aug 21 2014 


Warm humid weather with light southwest winds will continue today 
and tonight. South southwest winds around 5 to 7kt this morning will 
become southwesterly around 7 to 9kt this afternoon, before becoming 
light southerly this evening through early Friday morning. 


Bwg had heavy rain earlier Wednesday afternoon and this may lead to 
some fog during the pre-dawn hours. Currently, light southerly winds 
has kept fog at Bay. Think that is is more likely than not the 
visibilities will only lower into the MVFR range at bwg this morning 
if fog develops at all. 


VFR flying conditions are anticipated outside of any scattered 
thunderstorms that may affect sdf or Lex as early as the mid-morning 
hours today. Coverage of any convection will be scattered and 
disorganized and difficult to time. Due to only scattered pops, will 
keep thunder out of the tafs at this point. 


&& 


Lmk watches/warnings/advisories... 
Kentucky...none. 
In...none. 
&& 


$$ 


Short term........rjs 
long term.........Bjs 
aviation..........jsd 



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