Louisville, Kentucky Weather Conditions

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Current Conditions

  • 86°
  • Partly Cloudy
  • Wind: WSW 9 mph
  • Humidity: 59%
  • Visibility: 8.0 miles
  • Dew Point: 70°
  • Pressure: 29.84 in. 0
  • Heat Index: 91

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Next 12 Hours

10  pm
1  am
4  am
7  am
10  am
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Mostly Cloudy
Mostly Cloudy
83°
75°
73°
71°
77°
Forecast data from the National Digital Forecast Database.

5 Day Forecast

  • Tuesday
  • Partly Cloudy
  • High: 89 °
  • Low: 69 °
  • Partly Cloudy
  • Wednesday
  • Partly Cloudy
  • High: 89 °
  • Low: 70 °
  • Partly Cloudy
  • Thursday
  • Thunderstorm
  • High: 81 °
  • Low: 68 °
  • T-Storms
  • Friday
  • Partly Cloudy
  • High: 85 °
  • Low: 67 °
  • Partly Cloudy
  • Saturday
  • Partly Cloudy
  • High: 87 °
  • Low: 67 °
  • Partly Cloudy

Forecast for Louisville, Kentucky

Updated: 3:46 PM EDT on August 3, 2015

  • Tonight

    Partly cloudy with a 30 percent chance of showers and thunderstorms. Lows in the upper 60s. Northwest winds up to 10 mph.

  • Tuesday

    Partly cloudy with a 20 percent chance of showers and thunderstorms. Highs in the mid 80s. West winds up to 10 mph.

  • Tuesday Night

    Partly cloudy with a 20 percent chance of showers and thunderstorms. Lows in the upper 60s. North winds up to 5 mph.

  • Wednesday

    Partly cloudy with a 40 percent chance of showers and thunderstorms. Highs in the mid 80s. South winds up to 5 mph.

  • Wednesday Night

    Showers and thunderstorms likely. Lows in the lower 70s. South winds up to 10 mph. Chance of precipitation 70 percent.

  • Thursday

    Showers and thunderstorms. Highs around 80. Chance of precipitation 80 percent.

  • Thursday Night

    Mostly cloudy with a 40 percent chance of showers and thunderstorms. Lows in the mid 60s.

  • Friday

    Partly cloudy with a 20 percent chance of showers and thunderstorms. Highs in the lower 80s.

  • Friday Night

    Partly cloudy with a 20 percent chance of showers and thunderstorms. Lows in the mid 60s.

  • Saturday

    Partly cloudy. Highs in the lower 80s.

  • Saturday Night

    Partly cloudy. Lows in the mid 60s.

  • Sunday

    Partly cloudy. Highs in the mid 80s.

  • Sunday Night

    Partly cloudy. Lows in the upper 60s.

  • Monday

    Partly cloudy with a 30 percent chance of showers and thunderstorms. Highs in the upper 80s.

Personal Weather Stations

Personal Weather Stations [Add your weather station!]

Location: APRSWXNET, Louisville, KY

Updated: 8:52 PM EDT

Temperature: 87 °F Dew Point: 71 °F Humidity: 59% Wind: SSW at 1 mph Pressure: 29.85 in Hourly Precipitation: 0.00 in Heat Index: 93 °F Graphs

Location: Germantown, Louisville, KY

Updated: 9:16 PM EDT

Temperature: 90.3 °F Dew Point: 70 °F Humidity: 51% Wind: North at - Pressure: 29.80 in Hourly Precipitation: - Heat Index: 96 °F Graphs

Location: RMR - Louisville, Louisville, KY

Updated: 9:09 PM EDT

Temperature: 87.4 °F Dew Point: 72 °F Humidity: 60% Wind: SSW at 1.0 mph Pressure: 29.79 in Hourly Precipitation: 0.00 in Heat Index: 94 °F Graphs

Location: APRSWXNET, Louisville, KY

Updated: 8:56 PM EDT

Temperature: 86 °F Dew Point: 69 °F Humidity: 57% Wind: Calm Pressure: 29.88 in Hourly Precipitation: 0.00 in Heat Index: 90 °F Graphs

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

Updated: 9:19 PM EDT

Temperature: 84.6 °F Dew Point: 76 °F Humidity: 75% Wind: Calm Pressure: 29.87 in Hourly Precipitation: 0.00 in Heat Index: 94 °F Graphs

Location: Cloverleaf, Louisville, KY

Updated: 9:14 PM EDT

Temperature: 84.2 °F Dew Point: 73 °F Humidity: 69% Wind: WSW at 1.0 mph Pressure: 29.86 in Hourly Precipitation: 0.00 in Heat Index: 91 °F Graphs

Location: Pine View, New Albany, IN

Updated: 9:15 PM EDT

Temperature: 81.9 °F Dew Point: 73 °F Humidity: 75% Wind: West at 2.0 mph Pressure: 29.23 in Hourly Precipitation: 0.00 in Heat Index: 87 °F Graphs

Location: Brent Heights, New Albany, IN

Updated: 9:15 PM EDT

Temperature: 86.4 °F Dew Point: 70 °F Humidity: 58% Wind: Calm Pressure: 29.80 in Hourly Precipitation: 0.00 in Heat Index: 91 °F Graphs

Location: APRSWXNET, Jeffersonville, IN

Updated: 8:54 PM EDT

Temperature: 87 °F Dew Point: 71 °F Humidity: 60% Wind: Calm Pressure: 29.79 in Hourly Precipitation: 0.00 in Heat Index: 93 °F Graphs

Location: Near Colonial Gardens, Louisville, KY

Updated: 9:07 PM EDT

Temperature: 84.9 °F Dew Point: 72 °F Humidity: 66% Wind: Calm Pressure: 29.57 in Hourly Precipitation: - Heat Index: 91 °F Graphs

Location: Parkwood, Clarksville, IN

Updated: 9:15 PM EDT

Temperature: 83.1 °F Dew Point: 42 °F Humidity: 23% Wind: Calm Pressure: 29.72 in Hourly Precipitation: 0.00 in Heat Index: 81 °F Graphs

Location: APRSWXNET, Louisville, KY

Updated: 8:56 PM EDT

Temperature: 86 °F Dew Point: 72 °F Humidity: 64% Wind: Calm Pressure: 29.82 in Hourly Precipitation: 0.00 in Heat Index: 93 °F Graphs

Location: Mallard Run, Jeffersonville, IN

Updated: 9:19 PM EDT

Temperature: 88.0 °F Dew Point: 64 °F Humidity: 45% Wind: Calm Pressure: 29.32 in Hourly Precipitation: 0.00 in Heat Index: 89 °F Graphs

Location: Highgate Springs, Louisville, KY

Updated: 9:06 PM EDT

Temperature: 84.9 °F Dew Point: 68 °F Humidity: 58% Wind: Calm Pressure: 29.83 in Hourly Precipitation: - Heat Index: 88 °F Graphs

Location: Kaelin Drive, Louisville, KY

Updated: 9:16 PM EDT

Temperature: 85.6 °F Dew Point: 70 °F Humidity: 59% Wind: North at - Pressure: 29.94 in Hourly Precipitation: - Heat Index: 90 °F Graphs

Location: Teakwood Landing, Sellersburg, IN

Updated: 9:07 PM EDT

Temperature: 84.2 °F Dew Point: 71 °F Humidity: 65% Wind: SE at 2.7 mph Pressure: 29.46 in Hourly Precipitation: - Heat Index: 89 °F Graphs

Location: Koehler Place, New Albany, IN

Updated: 9:18 PM EDT

Temperature: 82.9 °F Dew Point: 60 °F Humidity: 45% Wind: Calm Pressure: 29.93 in Hourly Precipitation: 0.00 in Heat Index: 83 °F Graphs

Location: The Hill, New Albany, IN

Updated: 9:08 PM EDT

Temperature: 81.5 °F Dew Point: 73 °F Humidity: 76% Wind: Calm Pressure: 28.36 in Hourly Precipitation: - Heat Index: 87 °F Graphs

Location: Beechwood Village, Louisville, KY

Updated: 9:19 PM EDT

Temperature: 86.4 °F Dew Point: 72 °F Humidity: 62% Wind: WSW at 1.0 mph Pressure: 29.79 in Hourly Precipitation: 0.00 in Heat Index: 93 °F Graphs

Location: Grandel Farms, Louisville, KY

Updated: 9:19 PM EDT

Temperature: 83.8 °F Dew Point: 73 °F Humidity: 70% Wind: Calm Pressure: 29.84 in Hourly Precipitation: 0.00 in Heat Index: 90 °F Graphs

Location: Brookhaven Subdivision, Louisville, KY

Updated: 9:19 PM EDT

Temperature: 85.3 °F Dew Point: 69 °F Humidity: 59% Wind: Calm Pressure: 29.86 in Hourly Precipitation: 0.00 in Heat Index: 89 °F Graphs

Location: Holsworth Lane, Louisville, KY

Updated: 9:16 PM EDT

Temperature: 86.0 °F Dew Point: 70 °F Humidity: 59% Wind: North at - Pressure: 29.86 in Hourly Precipitation: - Heat Index: 91 °F Graphs

Location: St. Regis Park, Louisville, KY

Updated: 9:15 PM EDT

Temperature: 86.3 °F Dew Point: 68 °F Humidity: 54% Wind: WSW at 1.0 mph Pressure: 29.85 in Hourly Precipitation: 0.00 in Heat Index: 90 °F Graphs

Location: Sully Station, Louisville, KY

Updated: 9:19 PM EDT

Temperature: 85.6 °F Dew Point: 71 °F Humidity: 62% Wind: SSW at 2.9 mph Pressure: 29.89 in Hourly Precipitation: 0.00 in Heat Index: 91 °F Graphs

Location: Mount Rainier Drive, Louisville, KY

Updated: 9:16 PM EDT

Temperature: 82.4 °F Dew Point: 72 °F Humidity: 70% Wind: North at - Pressure: 29.72 in Hourly Precipitation: 0.00 in Heat Index: 87 °F Graphs

Location: Old Brownsboro Place, Louisville, KY

Updated: 9:15 PM EDT

Temperature: 86.1 °F Dew Point: 73 °F Humidity: 66% Wind: Calm Pressure: 29.80 in Hourly Precipitation: 0.00 in Heat Index: 94 °F Graphs

MSN Maps of:

Temp: Dew Point: Humidity Wind Pressure Hr Precip -

NWS Forecaster Discussion




Area forecast discussion 
National Weather Service Louisville Kentucky 
640 PM EDT Monday Aug 3 2015 


..updated aviation discussion... 


Short term (now through Tuesday night)... 
issued at 335 PM EDT Monday Aug 3 2015 


In the near term, skies were sunny across the region with 
tempeatures ranging from the middle-upper 80s in the north to the lower 
90s in the south. Regional satellite and radar imagery shows 
convection developing along a boundary up Interstate 70 in central 
Indiana. Amdar soundings out of Covington and Louisville still show 
a bit of capping which should keep convection minimized for the next 
several hours. However, combination of cold front sinking southward 
along with some modification in the cap later this afternoon/evening 
should allow scattered showers and storms to develop. Current 
thinking is that best coverage will be across our northeastern 
sections, mainly east of Interstate 65. Therefore, will continue 
chance probability of precipitation for this evening with the expectation that convection 
will diminish toward midnight. Some strong/severe convection will 
be possible with damaging winds and large hail being the main 
threats. 


For the overnight period, the cold front will continue to sink 
southward and associated evening convection will diminish and fade 
away. Clear to partly cloudy skies are expected overnight with 
temperatures dropping into the middle-upper 60s in the north with upper 
60s to around 70 in the south. Overnight lows Tuesday night will 
range from the middle-upper 60s in the north to the upper 60s to lower 
70s in the south. 


For Tuesday, aforementioned frontal boundary will be draped across 
the forecast area. Convection will likely redevelop during the 
afternoon. However, coverage looks to be rather isolated/scattered 
in nature due to a lack of focused forcing. Therefore, plan on 
leaving in the isolated storm chance with this update. Stuck closer 
to the weighted model guidance for temperatures. This would suggest 
highs in the middle-upper 80s in the north with upper 80s to around 90 
in the south. 


Long term (wednesday through monday)... 
issued at 320 PM EDT Monday Aug 3 2015 


Western Continental U.S. Ridging will be in place through the long term. 
Meanwhile, troughing will be established throughout the northeast 
Continental U.S.. the Ohio River valley will be situated in northwest flow 
aloft between these two features. Individual disturbances will move 
across the area, the strongest of which will occur Wednesday- 
Thursday. A drier pattern will take over for the weekend, before 
another disturbance looks to arrive on Monday. 


Wednesday - Thursday... 


Models continue to agree on a shortwave moving from the eastern 
plains Wednesday morning, through our area by Thursday evening. 
However, models slightly disagree on the exact timing and placement. 
At the surface, a frontal boundary will be near our western County Warning Area on 
Wednesday morning, slowly lifting northeast as a warm front through 
Thursday. This will occur as a surface low develops ahead of the 
shortwave and tracks across the County Warning Area through Thursday. Ample deep 
moisture will pool ahead of the system and combine with instability 
to create numerous thunderstorms Wednesday night into Thursday. 
Noticed a slightly slower trend on Wednesday afternoon so will keep 
highest coverage west of I-65 near the warm frontal boundary. 


Can't rule out a few stronger storms during this time frame as 
plenty of instability will be present along and southwest of the 
retreating warm front. However, deep layer shear values continue to 
look marginal (20-30 knots) for organization. More concerned with 
the potential for heavy rainfall as higher precipitable water values 
will couple with a slow moving front and overall system. In fact, 
wpc has placed much of Kentucky in a sligt risk for excessive 
rainfall. 


Thursday night - Friday night... 


The system will move off to the east by Thursday night, with drier 
northwest flow taking over. Will leave lingering chances in the 
east. Some data still suggests that a secondary disturbance will 
cross the northwest flow aloft through Friday evening, will have 
small chances to account for this. Prefer to lean toward the drier 
solution suggested by the NAM/European model (ecmwf) as we will be in the subsident 
wake of the first upper system and deeper moisture will be hard to 
come by. This period will be marked by cooler temperatures, with 
highs in the low-middle 80's and lows in the 60's. 


Saturday - Sunday night... 


Data continues to indicate dry northwest flow aloft through the 
weekend so will keep things dry with temperatures more solidly in 
the 80's. Lows will be slightly milder in the middle to upper 60's. 


Monday... 


Low confidence to start the new work week. However, there is general 
agreement in another disturbance approaching in the northwest flow 
aloft. Will leave small chances in the forecast with temperatures in 
the high 80's to around 90. 


&& 


Aviation (00z taf update)... 
issued at 640 PM EDT Monday Aug 3 2015 


Two effective boundaries this evening are the surface front over 
Indiana...and the residual outflow over western Kentucky. The former 
boundary has sparked storms over southeast Indiana...but convection 
is really struggling farther west and will have a hard time 
impacting Lex...let alone sdf. A couple cells along the outflow over 
western Kentucky...and it will be a close call whether that 
convection makes it into bwg. Will be a last-minute decision whether 
to include vcts/cb...but at this point the best chance for any 
evening precipitation will be at bwg. 


Once daylight fades there will be a decent opportunity for overnight 
fog...as the front hangs up somewhere across Kentucky and winds go 
light/variable. Will carry MVFR visible at bwg with the moisture pooling 
there...but Lex and sdf should remain unrestricted as the dewpoints 
drop behind the front. Confidence is moderate at best...since the 
lack of ongoing convection on the front may mean that it will hang 
up farther north than currently advertised. 


VFR conditions and west winds just below 10 knots through the day on 
Tuesday. 


&& 


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


$$ 


Short term........mj 
long term.........Bjs 
aviation..........Ras 






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