London, Kentucky Weather Conditions

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Current Conditions

  • 55°
  • Clear
  • Wind: Calm
  • Humidity: 83%
  • Visibility: 10.0 miles
  • Dew Point: 50°
  • Pressure: 30.01 in. +

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Next 12 Hours

9  am
12  pm
3  pm
6  pm
9  pm
Clear
Clear
Partly Cloudy
Partly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
63°
74°
79°
78°
71°
Forecast data from the National Digital Forecast Database.

5 Day Forecast

  • Saturday
  • Partly Cloudy
  • High: 81 °
  • Low: 62 °
  • Partly Cloudy
  • Sunday
  • Thunderstorm
  • High: 72 °
  • Low: 61 °
  • T-Storms
  • Monday
  • Thunderstorm
  • High: 70 °
  • Low: 49 °
  • T-Storms
  • Tuesday
  • Clear
  • High: 65 °
  • Low: 45 °
  • Clear
  • Wednesday
  • Chance of Rain
  • High: 68 °
  • Low: 48 °
  • Chance of Rain

Forecast for London, Kentucky

Updated: 5:17 AM EDT on January 18, 2015

  • Saturday

    Sun and clouds mixed. High 81F. Winds ENE at 5 to 10 mph.

  • Saturday Night

    Mainly cloudy. Low 62F. Winds ENE at 5 to 10 mph.

  • Sunday

    Thunderstorms. A few storms may be severe. High 72F. Winds SSE at 10 to 15 mph. Chance of rain 100%.

  • Sunday Night

    Thunderstorms likely in the evening. Then the chance of scattered thunderstorms later on. Low 61F. Winds SSW at 10 to 15 mph. Chance of rain 80%.

  • Monday

    Thunderstorms. High near 70F. Winds SW at 10 to 20 mph. Chance of rain 80%.

  • Monday Night

    Isolated thunderstorms during the evening hours. Skies will become partly cloudy overnight. Low 49F. Winds W at 10 to 15 mph. Chance of rain 30%.

  • Tuesday

    Generally sunny despite a few afternoon clouds. High around 65F. Winds W at 10 to 20 mph.

  • Tuesday Night

    A few clouds from time to time. Low around 45F. Winds W at 10 to 15 mph.

  • Wednesday

    Showers in the morning, then partly cloudy in the afternoon. High 68F. Winds WSW at 10 to 20 mph. Chance of rain 40%.

  • Wednesday Night

    Cloudy with occasional rain showers. Low 48F. Winds W at 5 to 10 mph. Chance of rain 50%.

  • Thursday

    Sunshine. High 66F. Winds WNW at 10 to 15 mph.

  • Thursday Night

    Mostly clear skies. Low 44F. Winds NNW at 5 to 10 mph.

  • Friday

    Sunshine and clouds mixed. High 67F. Winds NNW at 5 to 10 mph.

  • Friday Night

    Showers early becoming a steady light rain late. Low 48F. Winds NE at 5 to 10 mph. Chance of rain 70%.

  • Saturday

    Steady light rain in the morning. Showers continuing in the afternoon. High around 65F. Winds N at 5 to 10 mph. Chance of rain 60%.

  • Saturday Night

    Chance of a shower or two during the evening, followed by partly cloudy skies late. Low around 45F. Winds N at 5 to 10 mph. Chance of rain 30%.

  • Sunday

    Sunny along with a few clouds. High 64F. Winds NNW at 5 to 10 mph.

  • Sunday Night

    Partly cloudy. Low 44F. Winds N at 5 to 10 mph.

  • Monday

    Mostly sunny skies. High around 65F. Winds NW at 5 to 10 mph.

  • Monday Night

    Cloudy with occasional rain showers. Low 49F. Winds NE at 5 to 10 mph. Chance of rain 60%.

  • Tuesday

    Showers in the morning, then partly cloudy in the afternoon. High 66F. Winds WSW at 5 to 10 mph. Chance of rain 60%.

  • Tuesday Night

    Cloudy with occasional showers. Low 49F. Winds N at 5 to 10 mph. Chance of rain 40%.

Severe Weather Alert Descriptions

 Special Statement  Statement as of 6:37 am EDT on April 18, 2015


... Areas of dense fog early this morning...

Areas of dense fog have developed across the region. The fog is
most prevalent near the larger creeks... rivers and lakes. The fog
in these areas is reducing visibilities to one quarter of a mile
or less. However... the fog will begin to lift after sunrise... and
should dissipate by 9 am EDT.

If traveling early this morning... be alert for sudden changes in
visibilities. Slow down... use low beam headlights... leave plenty
of room between your vehicle and the one in front of you... and
allow extra time to reach your destination.


Jp

622 am EDT Sat Apr 18 2015

... Dense fog across portions of the Cumberland Valley this morning...

Areas of fog have developed across the region. Some of this fog is
dense in some locations... near area rivers and lakes... reducing
visibilities to one quarter of a mile or less. However... the fog
will begin to lift after sunrise... and should dissipate by 9 am
EDT.

If traveling early this morning... be alert for sudden changes in
visibilities. Slow down... use low beam headlights... leave plenty
of room between your vehicle and the one in front of you... and
allow extra time to reach your destination.


Jp


Personal Weather Stations

Personal Weather Stations [Add your weather station!]

Location: Napier Mountain, London, KY

Updated: 7:33 AM EDT

Temperature: 57.9 °F Dew Point: 58 °F Humidity: 99% Wind: ENE at 2.2 mph Pressure: 29.72 in Hourly Precipitation: 0.00 in Windchill: - Graphs

Location: MSWO, London, KY

Updated: 7:33 AM EDT

Temperature: 50.5 °F Dew Point: 50 °F Humidity: 98% Wind: Calm Pressure: 29.94 in Hourly Precipitation: 0.00 in Windchill: - Graphs

Location: South Corbin, Corbin, KY

Updated: 7:33 AM EDT

Temperature: 48.7 °F Dew Point: 49 °F Humidity: 99% Wind: Calm Pressure: 30.01 in Hourly Precipitation: 0.00 in Windchill: 49 °F Graphs

Location: Denny Subdivision, Mount Vernon, KY

Updated: 7:33 AM EDT

Temperature: 56.1 °F Dew Point: 56 °F Humidity: 98% Wind: Calm Pressure: 30.04 in Hourly Precipitation: 0.00 in Windchill: - Graphs

Location: Southern McKee, McKee, KY

Updated: 7:33 AM EDT

Temperature: 45.1 °F Dew Point: 43 °F Humidity: 91% Wind: Calm Pressure: 30.04 in Hourly Precipitation: 0.00 in Windchill: 45 °F Graphs

Location: Manchester, Manchester, KY

Updated: 6:30 AM EDT

Temperature: 53.1 °F Dew Point: - Humidity: - Wind: North at - Pressure: - Hourly Precipitation: 0.00 in Windchill: - Graphs

Location: Maretburg, Mount Vernon, KY

Updated: 7:08 AM EDT

Temperature: 52.0 °F Dew Point: 52 °F Humidity: 99% Wind: Calm Pressure: 29.78 in Hourly Precipitation: - Windchill: - Graphs

Location: Mackey Bend, Barbourville, KY

Updated: 7:33 AM EDT

Temperature: 53.8 °F Dew Point: 52 °F Humidity: 92% Wind: Calm Pressure: 30.05 in Hourly Precipitation: 0.00 in Windchill: - Graphs

Location: Woods Edge Drive, Somerset, KY

Updated: 7:30 AM EDT

Temperature: 54.5 °F Dew Point: 51 °F Humidity: 89% Wind: North at - Pressure: 30.11 in Hourly Precipitation: - Windchill: - Graphs

Location: Downtown McKee, McKee, KY

Updated: 7:10 AM EDT

Temperature: 46.8 °F Dew Point: 46 °F Humidity: 99% Wind: Calm Pressure: 29.84 in Hourly Precipitation: - Windchill: 47 °F Graphs

Location: liford's, Barbourville, KY

Updated: 7:13 AM EDT

Temperature: 54.9 °F Dew Point: 55 °F Humidity: 99% Wind: Calm Pressure: 29.89 in Hourly Precipitation: - Windchill: - Graphs

MSN Maps of:

Temp: Dew Point: Humidity Wind Pressure Hr Precip -

NWS Forecaster Discussion




Area forecast discussion 
National Weather Service Jackson Kentucky 
349 am EDT Sat Apr 18 2015 


Short term...(today through sunday) 
issued at 345 am EDT Sat Apr 18 2015 


Shortwave upper level ridging and ridging extending down to near 
the surface was the dominant feature across the lower Ohio Valley and 
into the central appalachian region. With mainly just cirrus 
overhead...temperatures in the valley locations have dropped off 
well into the 50s. Valley fog has begun to develop...across the 
Cumberland Valley per sme and ekq observation. In other locations...relative humidity 
from Kentucky mesonet sites and the slowing rate of temperature drop as 
well as iob Observation Point toward valley fog elsewhere as well. 
This valley fog should continue to develop over the next couple of 
hours. Upstream of the region a closed low continued to spin over 
the southern Colorado/norther northwest region with moisture streaming north 
across much of the Southern Plains into the Central Plains 
region...especially from East Texas north into Kansas and MO. 


Through the short term period...the closed low is expected to move 
east into the Central Plains and approach the middle MS valley 
region. As it does so...it will begin to merge with a northern 
stream system dropping southeast. This northern stream system will 
be nearing northwest Ontario by the end of the period. Weak shortwaves in 
the south to southwest flow aloft should move across the Tennessee and Ohio 
Valley region from tonight through the end of the period. The most 
significant one however...will rotate into the region later 
tonight and into the day on Sunday. At the same time...somewhat 
complex and baggy surface low pressure is expected to develop over the 
lower MS valley region by this evening and then track nearly due 
north to near the confluence of the Ohio and MS rivers by dawn on 
Sunday. The surface low should then track norther north to just south 
or southeast of Lake Michigan by the end of the period. As the 
low tracks north it will send a warm front north into eastern Kentucky 
on Sunday. Late in the period...the SW corner of the County Warning Area may be in 
the warm sector between the warm front and a cold front nearing 
the MS valley. This system will transport decent moisture north 
into the region and with some middle level support as well as 
isentropic lift...measurable rain is anticipated area wide... 
especially on Sunday. Thunderstorms area also possible... 
especially from late tonight and into the day on Sunday. If 
destabilization can occur...especially across the south or 
southwest...a stronger storm or two cannot be ruled out. 


As for the near term...the valley fog should lift and dissipate 
by about 14z...or 10 am. Then sunshine through some high clouds is 
anticipated. Temperatures should warm well into the 70s and reach 
or exceed 80 in several locations. Moisture may increase just 
enough near the Tennessee border east to right along the Virginia border where 
models indicate a subtle convergence zone for a stray shower or 
two late this afternoon or evening. The consensus of the short 
term and higher resolution models such as the NAM...hrrr and the 
rap point toward this potential. However...the bulk of the showers 
should hold off until after dark...and in fact after midnight or 
later in most locations. Instability may increase enough for a 
few embedded rumbles of thunder across the southwest overnight. 
The pressure gradient will also be increasing as the night 
progresses and into the day on Sunday. This should lead to the 
higher elevation exposed locations such as the top of Black Mountain 
and The Flatwoods area of Pike County picking up sustained winds 
of 15 to 20 miles per hour after midnight on Sunday toward dawn. Some gusts 
there in the 30 to 40 miles per hour range are certainly possible. The 
southeast flow pattern will need to be watched for possible mountain 
wave gusts into Harlan and Letcher counties just downwind of black 
and Pine Mountains. The forecast soundings from the NAM seem to 
show mixing for several thousand feet above the top of the Black 
Mountain and High Knob region while the GFS soundings have the top of 
the inversion near 850 mb...so this leads to uncertainty in any 
possible mountain wave development late on Sat night near the Virginia 
border. 


Otherwise...a band of showers in advance of the warm front should 
lift northeast...with the bulk of the southwest part of the County Warning Area 
standing the best chance for measurable rain before dawn on 
Sunday. The remainder of the area should receive showers and some 
embedded thunder from Sunday morning through middle afternoon on 
Sunday. As already mentioned...some redevelopment would be 
possible mainly across the southwest late in the day. A strong 
storm or two cannot be ruled out in that area with strong wind 
gusts and possibly marginally severe hail. Storm Prediction Center has highlighted 
this region for a marginal risk of severe thunderstorms with 
probabilities much higher from the middle MS valley south to the Gulf 
Coast region. 


Long term...(sunday night through friday) 
issued at 315 am EDT Sat Apr 18 2015 


First round of showers and thunderstorms will be moving east of 
the region to start the period. A lull in the precipitation will be 
possible overnight Sunday as another low pressure develops across 
the Midwest. This will be primarily due to another spoke of 
energy rounding the base of a northern stream upper level closed 
low. This will swing a cold front across the region Monday with 
increased chances of showers and thunderstorms especially in the 
afternoon. The model soundings are meager with the quantitative precipitation forecast and 
moisture is shallow with precipitable waters  around at or above 0.80 during the day on 
Monday. Therefore keep quantitative precipitation forecast around a quarter of a inch in the 
afternoon. Models are in good agreement with the setup and 
progression of this system this front will usher in cooler and 
drier air as we move into the early part of next week. High 
temperatures will top out in the lower 60s by Tuesday and lows in 
the lower 40s at times. Models are a bit more divergent as we move 
into the longer range portion of the forecast. The GFS wants to 
bring a weak wave across the region as we move into early 
Wednesday...while the European model (ecmwf) and Gem are a bit drier. There seems 
to also be a weaker front during this period as well...however 
given that the quantitative precipitation forecast is quite low will lean toward the slight probability of precipitation 
given in the blend. These probability of precipitation persist into Thursday at this point 
and this seems reasonable given the uncertainty associated with 
the guidance in this period. 


Then we turn our eyes to a more substantial system as we move into 
Friday time frame. This is associated with a shortwave ejecting 
out of the Desert Southwest Friday. Diffluence aloft will aid in 
spreading overrunning precipitation east into the region late Friday. 
The GFS is the most progressive...but both models the GFS and 
European model (ecmwf) at least have the general setup as we move into late next 
week. This developing system is also corroborated by the 00z GFS 
ensemble mean...with decent continuity between the operational 
run. Right now will keep probability of precipitation in the slight to chance range on 
Friday as most the better dynamics come into play as we move into 
Friday night and Saturday which are beyond the scope of this 
forecast period. 


&& 


Aviation...(for the 06z tafs through 06z Saturday night) 
issued at 115 am EDT Sat Apr 18 2015 


Mostly clear skies prevail at this time...as a few middle level clouds are 
skirting the Tennessee and Virginia border area with just some passing cirrus 
elsewhere. A few valley locations are experiencing visible nearing 
MVFR such as sme and ekq. This setup should be favorable for some 
mainly valley fog development...with the valley fog possibly 
lifting to Ridgetop locations such as jkl and sjs as the inversion 
deepens. MVFR to IFR visible is expected at all the taf sites based on 
crossover temperatures in the lower 50s. 4z lamp guidance also 
supports these ranges. By 13z to no later than 14z...daytime 
heating will allow fog to mix and scatter out even at River Valley 
non taf sites. Mainly upper level clouds will begin to thicken and 
lower generally 18z and after ahead of the next system...though 
ceilings and visible in all areas should remain VFR through the end of 
the period. Winds should be generally light and remain under 10kt 
through period. 




&& 


Jkl watches/warnings/advisories... 
none. 
&& 


$$ 


Short term...jp 
long term...dj 
aviation...jp 






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