Jefferson County, KY Weather and Hourly Weather


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Updated Tuesday, October 23, 2018

...Chilly, Dry Conditions Continue; Rain Later In The Week...


Dry and pleasant weather is expected through mid-week. A dry cold front will 
move across the region today, bringing a reinforcing shot of cooler air. The 
next shot for rains will come in later Thursday into Friday, as a storm 
system passes south of the region.

Kentucky Weather Forecast 





Western KY:



Central KY:



Eastern KY:







Specific and detailed farm-by-farm weather forecast information is available in your Point Ag Forecast. New County Ag Weather Page,
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Regional Hourly Observations For JEFFERSON County, Kentucky
Issued at 200 PM EDT TUE OCT 23 2018
NORTH CENTRAL KENTUCKY CITY SKY/WX TMP DP RH WIND PRES REMARKS LOUISVILLE/SDF FAIR 68 39 34 W7 30.20F LOUISVILLE/LOU FAIR 68 40 35 NW5 30.20F FORT KNOX FAIR 66 35 31 NW8 30.21F

KY Round-up, Current Temperatures, Dewpoint, Rh, Wind, Regional Obs., Station Model, Surface 4-Panel, NWS Louisville
Meteograms: Paducah , Evansville , Bowling Green , Hopkinsville , Frankfort , Louisville , Lexington , Covington , Jackson , London , Shelby Co. Weather , Spindletop Research Weather Station , Woodford Co. Research Weather Station , About Meteograms
Current Agriculture, Lawn & Garden Weather Conditions in Kentucky
Based on observations at 200pm EDT, Tuesday October 23, 2018

Across Kentucky...temperatures are near 71 degrees west, near 68 degrees central, and near 63 degrees east. Current sky conditions are fair west, fair central, and fair east. In the west, relative humidity is near 36%, and the dew point is near 43 degrees. In the central part of the state, relative humidity is near 34%, and the dew point is near 39 degrees. In the east, relative humidity is near 44%, and the dew point is near 41 degrees. Current drying conditions are good west, good central, and good east. Tobacco stripping conditions are unfavorable west, unfavorable central, and unfavorable east. Winds are from the north at 8 mph west, where conditions are favorable for spraying. Winds are from the west at 7 mph central, where conditions are favorable for spraying. Winds are variable at 3 mph east, where conditions are favorable for spraying. Based on current available observations, the highest temperature is 71 degrees at Paducah. The lowest temperature is 61 degrees at Somerset.

List of Agriculture, Lawn & Garden Weather Observations in Kentucky

Current NOWCAST not available:
Nowcasts are not issued routinely during fair weather. Only when
precipitation or other significant weather is occuring in this county will these
forecasts be issued. Currently, there is no short term forecast in effect.

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Hazardous Weather Outlook For JEFFERSON County, Kentucky
Issued at: Tue Oct 23 14:38:55 EDT 2018

English, Tell City, Corydon, New Albany, Jeffersonville, Lewisport, Hawesville, Hardinsburg, Brandenburg, Hartford, Leitchfield, Elizabethtown, Shepherdsville, Louisville, La Grange, Bedford, Milton, New Castle, Shelbyville, Frankfort, Georgetown, Cynthiana, Taylorsville, Lawrenceburg, Versailles, Lexington, Paris, Carlisle, Bardstown, Springfield, Harrodsburg, Nicholasville, Winchester, Hodgenville, Lebanon, Danville, Lancaster, Richmond, Morgantown, Brownsville, Horse Cave, Greensburg, Campbellsville, Liberty, Stanford, Russellville, Bowling Green, Franklin, Providence, Scottsville, Glasgow, Tompkinsville, Edmonton, Columbia, Jamestown, Burkesville, and Albany 238 PM EDT Tue Oct 23 2018 /138 PM CDT Tue Oct 23 2018/ This hazardous weather outlook is for portions of south central Indiana and Central Kentucky. .DAY ONE...Tonight. No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed.
NWS Severe Weather Map , Convective Outlook

RDF forecast not available NEW NWS Experimental Weather Activity Planner: West, Central, East
NWS Experimental Point Forecasts (5 km x 5 km grid for Kentucky): West, Central, East

JEFFERSON County, Kentucky Agriculture, Lawn & Garden Weather Advisory

Updated: 310 AM EST THU NOV 12 2009

TODAY (6AM-5PM)
Max Temperature...........................61 degrees.
Precipitation (liq. eq. )...................0.00 inches (No rainfall).
Precipitation area .........................0% of the county expected.
Dewpoints.......................................29 to 34 Degrees.
Min RH (Relative Humidity).........37%.
Wind Speed....................................4 to 10 mph
Winds@3 PM..................................northeast at 10 mph
Spraying Conditions....................favorable
Sky Conditions @9 AM ...............mostly sunny.
RH < 50%........................................ for 7 hours
RH > 80%.........................................for 0 hour
No. of Hours Temp <=32 .............0
No. of Hours Temp <= 20 .............0
No. of Hours Temp <= 0 ...............0

The high today (6am-5pm) in Jefferson county, is expected to be near 61 degrees. No rainfall is expected. Temperature will range from near 39 to near 60 degrees. Dewpoints will range from 29 to 34 degrees. These dewpoints will combine with today (6am-5pm)'s temperatures resulting in relative humidity minimum of 37%. Skies will be mostly sunny at 9 AM and mostly sunny at 3 PM. Wind speed will range from 4 to 10 mph during the period. Winds at 3 PM will be out of the northeast at 10 mph, which is favorable spraying conditions in rain-free areas. Relative humidity will be less than 50% for 7 hours and greater than 80% for 0 hour

TONIGHT (6PM-5AM)
Min Temperature...........................38 degrees.
Precipitation (liq. eq. )...................0.00 inches (No rainfall).
Precipitation area .........................0% of the county expected.
Dewpoints.......................................near 34 Degrees.
Max RH (Relative Humidity)........76%.
Wind Speed....................................2 to 8 mph
Winds@3 AM..................................northeast at 3 mph
Spraying Conditions....................favorable
Sky Conditions @12 AM .............clear.
Sky Conditions @3 AM ...............clear.
RH < 50%........................................ for 1 hour
RH > 80%.........................................for 0 hour
No. of Hours Temp <=32 .............0
No. of Hours Temp <= 20 .............0
No. of Hours Temp <= 0 ...............0

The low tonight (6pm-5am) in Jefferson county, is expected to be around 38 degrees. No rainfall is expected. Temperature will range from near 41 to near 53 degrees. Dewpoints will be near 34 degrees. These dewpoints will combine with tonight (6pm-5am)'s temperatures resulting in relative humidity maximum of 76%. Skies will be clear at 12 AM and clear at 3 AM. Wind speed will range from 2 to 8 mph during the period. Winds at 3 AM will be out of the northeast at 3 mph, which is favorable spraying conditions in rain-free areas. Relative humidity will be less than 50% for 1 hour and greater than 80% for 0 hour

TOMORROW (6AM-5PM)
Max Temperature...........................64 degrees.
Precipitation (liq. eq. )...................0.00 inches (No rainfall).
Precipitation area .........................0% of the county expected.
Dewpoints.......................................34 to 42 Degrees.
Min RH (Relative Humidity).........41%.
Wind Speed....................................2 to 5 mph
Winds@3 PM..................................southeast at 3 mph
Spraying Conditions....................favorable
Sky Conditions @9 AM ...............mostly sunny.
Sky Conditions @3 PM ...............mostly sunny.
RH < 50%........................................ for 5 hours
RH > 80%.........................................for 2 hours
No. of Hours Temp <=32 .............0
No. of Hours Temp <= 20 .............0
No. of Hours Temp <= 0 ...............0

The high tomorrow (6am-5pm) in Jefferson county, is expected to be near 64 degrees. No rainfall is expected. Temperature will range from near 41 to near 64 degrees. Dewpoints will range from 34 to 42 degrees. These dewpoints will combine with tomorrow (6am-5pm)'s temperatures resulting in relative humidity minimum of 41%. Skies will be mostly sunny at 9 AM and mostly sunny at 3 PM. Wind speed will range from 2 to 5 mph during the period. Winds at 3 PM will be out of the southeast at 3 mph, which is favorable spraying conditions in rain-free areas. Relative humidity will be less than 50% for 5 hours and greater than 80% for 2 hours

TOMORROW NIGHT (6PM-5AM)
Min Temperature...........................46 degrees.
Precipitation (liq. eq. )...................0.00 inches (No rainfall).
Precipitation area .........................0% of the county expected.
Dewpoints.......................................42 to 44 Degrees.
Max RH (Relative Humidity)........89%.
Wind Speed....................................2 to 3 mph
Winds@3 AM..................................south at 2 mph
Spraying Conditions....................favorable
Sky Conditions @12 AM .............mostly clear.
Sky Conditions @3 AM ...............mostly clear.
RH < 50%........................................ for 0 hour
RH > 80%.........................................for 3 hours
No. of Hours Temp <=32 .............0
No. of Hours Temp <= 20 .............0
No. of Hours Temp <= 0 ...............0

The low tomorrow night (6pm-5am) in Jefferson county, is expected to be around 46 degrees. No rainfall is expected. Temperature will range from near 47 to near 59 degrees. Dewpoints will range from 42 to 44 degrees. These dewpoints will combine with tomorrow night (6pm-5am)'s temperatures resulting in relative humidity maximum of 89%. Skies will be mostly clear at 12 AM and mostly clear at 3 AM. Wind speed will range from 2 to 3 mph during the period. Winds at 3 AM will be out of the south at 2 mph, which is favorable spraying conditions in rain-free areas. Relative humidity will be less than 50% for 0 hour and greater than 80% for 3 hours

72 HOUR SUMMARY
The temperature is expected to be in the range from 38 degrees and 67 degrees. Dewpoints will range from 29 to 47 degrees. No measurable precipitation is expected.

Ag. Weather Forecast Parameter Maps:Spraying Conditions , Dewpoint Temperatures, Livestock Heat Stress

Extended Digital forecast not available
Current FORECAST not available TWC Forecast, NWS Maps, Fire Danger, Day 1 Precip, Day 2, 5 Day Total, Days 1-5
NGM 60 Hr Forecast Meteograms: Paducah , Evansville , Bowling Green , Hopkinsville , Frankfort , Louisville , Lexington , Covington , Jackson , London, All Kentucky Hourly Model Guidance, About NGM Forecast Meteograms
Kentucky Agricultural Weather Medium-Range Outlook (Based on the MEX Model)

MEDIUM RANGE AG FORECAST:
- Click here for Graphical Ag. Weather Forecast -

THURSDAY :
Highs across the state will range from 58 West and 57 Central, to 54 East. Dewpoints will range from 34 to 43 West, 31 to 36 Central, and 29 to 32 East throughout the day. Rainfall amounts of 0.00-0.01 inches over 20 % of the area West, 0.00-0.01 inches over 10 % of the area Central, and 0.00-0.01 inches over 0 % of the area East should be expected. Lows Thursday will fall to 38 West, 37 Central, and 37 East. Skies throughout the day will start out partly cloudy and end cloudy in the West, start clear and end partly cloudy Central, and start out clear and end partly cloudy East. The maximum livestock stress category will be no stress West, no stress Central, and no stress East. There will be 4 corn growing degree days West, 4 Central, and 2 East. Wind speeds in the morning and afternoon will be around 7 and 7 mph , respectively, West, 7 and 8 mph Central, and 3 and 2 mph East.
FRIDAY :
Highs across the state will range from 54 West and 54 Central, to 48 East. Dewpoints will range from 43 to 48 West, 38 to 42 Central, and35 to 41 East throughout the day. Rainfall amounts of 0.01-0.09 inches over 70 % of the area West, 0.01-0.09 inches over 50 % of the area Central, and 0.25-0.49 inches over 80 % of the area East should be expected. Lows Friday will fall to 43 West, 40 Central, and 39 East. Skies throughout the day will start out cloudy and end cloudy in the West, start cloudy and end cloudy Central, and start out cloudy and end cloudy East. The maximum livestock stress category will be no stress West, no stress Central, and no stress East. There will be 2 corn growing degree days West, 2 Central, and 0 East. Wind speeds in the morning and afternoon will be around 4 and 5 mph , respectively, West, 6 and 5 mph Central, and 2 and 1 mph East.
SATURDAY :
Highs across the state will range from 60 West and 57 Central, to 48 East. Dewpoints will range from 42 to 45 West, 40 to 42 Central, and 39 to 42 East throughout the day. Rainfall amounts of 0.01-0.09 inches over 40 % of the area West, 0.00-0.01 inches over 40 % of the area Central, and 0.10-0.24 inches over 70 % of the area East should be expected. Lows Saturday will fall to 41 West, 42 Central, and 40 East. Skies throughout the day will start out cloudy and end cloudy in the West, start cloudy and end cloudy Central, and start out cloudy and end cloudy East. The maximum livestock stress category will be no stress West, no stress Central, and no stress East. There will be 5 corn growing degree days West, 4 Central, and 0 East. Wind speeds in the morning and afternoon will be around 3 and 6 mph , respectively, West, 4 and 7 mph Central, and 1 and 3 mph East.
SUNDAY :
Highs across the state will range from 62 West and 59 Central, to 52 East. Dewpoints will range from 44 to 46 West, 41 to 42 Central, and38 to 39 East throughout the day. Rainfall amounts of 0.00-0.01 inches over 30 % of the area West, 0.01-0.09 inches over 40 % of the area Central, and 0.01-0.09 inches over 50 % of the area East should be expected. Lows Sunday will fall to 44 West, 44 Central, and 39 East. Skies throughout the day will start out partly cloudy and end partly cloudy in the West, start cloudy and end cloudy Central, and start out cloudy and end cloudy East. The maximum livestock stress category will be no stress West, no stress Central, and no stress East. There will be 6 corn growing degree days West, 4 Central, and 1 East. Wind speeds in the morning and afternoon will be around 4 and 9 mph , respectively, West, 6 and 9 mph Central, and 1 and 3 mph East.
MONDAY :
Highs across the state will range from 60 West and 56 Central, to 53 East. Dewpoints will range from 43 to 42 West, 42 to 39 Central, and 36 to 41 East throughout the day. Rainfall amounts of 0.00-0.01 inches over 40 % of the area West, 0.00-0.01 inches over 60 % of the area Central, and 0.00-0.01 inches over 60 % of the area East should be expected. Lows Monday will fall to 46 West, 45 Central, and 41 East. Skies throughout the day will start out partly cloudy and end partly cloudy in the West, start cloudy and end cloudy Central, and start out cloudy and end cloudy East. The maximum livestock stress category will be no stress West, no stress Central, and no stress East. There will be 5 corn growing degree days West, 3 Central, and 2 East. Wind speeds in the morning and afternoon will be around 8 and 14 mph , respectively, West, 7 and 14 mph Central, and 3 and 4 mph East.
TUESDAY :
Highs across the state will range from 66 West and 63 Central, to 59 East. Dewpoints will range from 41 to 45 West, 36 to 41 Central, and 39 to 35 East throughout the day. Rainfall amounts of 0.00-0.01 inches over 10 % of the area West, 0.00-0.01 inches over 20 % of the area Central, and 0.00-0.01 inches over 30 % of the area East should be expected. Lows Tuesday will fall to 43 West, 40 Central, and 41 East. Skies throughout the day will start out clear and end clear in the West, start clear and end partly cloudy Central, and start out cloudy and end clear East. The maximum livestock stress category will be no stress West, no stress Central, and no stress East.There will be 8 corn growing degree days West, 6 Central, and 4 East. Wind speeds in the morning and afternoon will be around 6 and 8 mph, respectively, West, 13 and 7 mph Central, and 4 and 4 mph East.
Raw Data: MEX(west), MEX(central), MEX(east)

* NOTE: See specific site Ag Wx Data and Summary files for further information.

Graphic Regional Ag. Weather Outlook, Tabular data for the Medium Range Outlook

Medium & Long Range Outlook For Kentucky
KENTUCKY --------------------------------------------- 6 TO 10 DAY 8 TO 14 DAY 30 DAY 90 DAY OCT 28-NOV 1 OCT 30-NOV 5 OCT OCT-DEC ----------- ----------- -------- --------- Temperature: Below Normal Above Above Precipitation: Above Above Normal Normal .... Medium and long range outlooks provided by NCEP/K. Thomas Priddy
UKAWC 8 Day Forecast Maps, TWC Jet, 15-Day Jet,Trend, Max/Mins (80k)
6 to 10 Day , 8 to 14 Day , Text, 30-Day Outook, 90-Day Outook, 120-Day Outlook
Precipitation Report: (liquid equivalent)
Total Precipitation and Deviation From Normal (in inches) Valid May 27, 2012 The nearest available weather station for Jefferson County is Louisville: Past 7 days Past 30 days Jan 1 - Present Station Total Dev Total Dev Total Dev --------------- ----- ------ ----- ------ ------ ------ Louisville 0.00 -1.04 4.72 +0.28 18.26 -0.66
List of Kentucky Weather Stations (1st Order & Ag. stations) Rainfall
UKAWC Regional Ag Weather Summary (Select Format): Spring , Summer , Fall

Drought Status For JEFFERSON County, Kentucky
(Based on the latest Palmer Drought Severity and Crop Moisture Indices)
CENTRAL KY CLIMATE DIVISION Hydrological Drought (PDSI) Situation: ------------------------------------------------------------------------------------ Current Long-term Hydrological Moisture Status: UNUSUAL MOIST SPELL (PDSI= 2.50) Rainfall Needed: 0.00 inches ABOVE NORMAL Crop Moisture (CMI) Situation: ---------------------------------------------------------------------------------------------------------- Current Short-term Crop Moisture Status: Prospects Above Normal, Some Fields Too Wet (CMI= 1.72) Change From Previous Week: WETTER SOILS ( 1.02)
Note: Due to rainfall variability within each climate division, check Precip Reports/GIS Estimates and the Kentucky Climate Summary for the latest moisture information for this county.
Additional Drought Info.: UKAWC Drought Page

Kentucky Climate Summary
normal. High temperatures averaged from 61 in the West to 61 in the East. Departure from normal high temperatures ranged from -10 degrees from normal in the West to -6 degrees from normal in the East. Low temperatures averaged from 39 degrees in the West to 42 degrees in the East. Departure from normal low temperature ranged from -9 degrees from normal in the West to -3 degrees from normal in the East.
Precipitation (liq. equ.) for the period totaled 0.99 inches statewide which was + 0.33 inches from normal. Precipitation totals by climate division, West 0.62 inches, Central 1.45 inches, Bluegrass 0.74 inches and East 0.99 inches, which was -0.07, + 0.79, + 0.11 and + 0.32 inches respectively from normal. By station, precipitation totals ranged from a low of 0.05 inches at Nashville to a high of 2.74 inches at Bowling Green.
Kentucky Climate Summaries: Last 3 days, 7 days, 14 days, 21 days, 30 days
Yesterday's Weather Data, Kentucky Climate Analysis, Kentucky Climate in Review (2005)
GIS ESTIMATES FOR JEFFERSON COUNTY
Valid July 29, 2013
The GIS estimates are derived by ARC/INFO GIS software for a central point in the county. The estimates are calculated from from 29 weather stations in the Kentucky area. Precipitation Estimates Last 3 Last 7 Last 14 Last 30 Since Days Days Days Days Jan 1 _______________________________________________________________________________ Precip Total 0.03 1.89 2.16 5.77 28.78 Precip Deviation -0.41 0.87 0.13 1.47 1.66 Temperature Estimates Last 3 Last 7 Last 14 Last 30 Days Days Days Days _____________________________________________________________________ Temp Average 71 74 79 77 Temp Deviation -5 -2 3 1 Soil Temperature Estimates Yesterday _________________________________________ Avg 4" Sod Soil Temp 76 European Corn Borer Degree Days Accumulations Degree Days Forecasted Accumulations Total 550 610 750 1660 1740 ____________________________________________________________ 2140 5/10 5/13 5/21 6/28 7/1

Almanac Information
Tuesday October 23, 2018 the 296th Day of Year --------------------------------------------------- SUN Declination -11.730000 Distance 0.999722 AU Rise 07:55 EDT Set 18:49 EDT Transit Meridian 13:22 EDT Civil Twilight Begins 07:30 EDT Ends 19:15 EDT --------------------------------------------------- Normal Max/Min Temperature for Today: 67 / 44 --------------------------------------------------- Calculations made for central point in Kentucky Time in ET -- and will vary due to location and elevation -- Priddy
Sunrise/Sunset/Moonrise/Moonset Computation (USN)
TEMPERATURE is not available
Yesterday's U.S. Highs, Lows , KY's Highs/Lows/Precip, Daily Weather Data, Hourly Weather Data
Historical Weather And Climate Facts For Today

///////////////////////// OCTOBER 23RD HISTORIC WEATHER EVENTS ...1761... A hurricane struck southeastern New England. It was the most violent in thirty years. Thousands of trees blocked roads in Massachsuetts and Rhode Island. (David Ludlum) ...1843... "Indian Summer" was routed by cold and snow that brought sleighing from the Poconos to Vermont. A foot of snow blanketed Haverhill NH and Newberry VT, and 18 to 24 inches were reported in some of the higher elevations. Snow stayed on the ground until the next spring. (22nd-23rd) (Sandra and TI Richard Sanders - 1987) (The Weather Channel) ...1987... Thirteen cities in the southeastern U.S. reported record low temperatures for the date. It marked the sixth record low of the month for Greer SC and Columbia SC, and the ninth of the month for Montgomery AL. Showers and thunderstorms deluged Corpus Christi TX with five inches of rain. Winnemucca NV reported their first measurable rain in ninety-two days, while Yakima WA reported a record 96 days in a row without measurable rainfall. (Storm Data) (The National Weather Summary) ...1988... Denver CO reported their first freeze of the autumn, and Chicago IL reported their first snow. In Texas, afternoon highs of 93 degrees at Austin and San Antonio were records for the date. (The National Weather Summary) ...1989... A storm moving out of the Gulf of Alaska brought rain and high winds to the Central Pacific Coast Region. High winds in Nevada gusted to 67 mph at Reno, and thunderstorms around Redding CA produced wind gusts to 66 mph. Locally heavy rains in the San Francisco area caused numerous mudslides, adding insult to injury for earthquake victims. (The National Weather Summary) (Storm Data)
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Ag Weather Center, Department of Biosystems & Agricultural Engineering, University of Kentucky