Johnson County, KY Weather And Climate Synopsis

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Crop Moisture Index
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NWS: Calculated Soil Moisture.
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A joint service of the UK Ag Weather Center and the National Weather Service.

Updated Thursday Evening, January 17, 2019

......Heavy Rain and Flooding Saturday...Sharply Colder Saturday Night with Winter Mix and then Snow...
.........Bitter Cold Sunday thru Monday Morning with BRRR Wind Chills....

Light showers will push off to the east this evening and overnight, leading to dry conditions for the end of the work week. Kentucky will see similar temperatures tomorrow with highs low to middle 40s.

A much stronger system will bring more substantial rain, heavy at times, Friday night into Saturday. Widespread rainfall amounts of 1-2 inches are expected and could lead to localized flooding on creeks, streams, and low-lying areas, along with rises on some rivers.

A changeover to snow is expected from the northwest Saturday afternoon and evening as much colder arctic air arrives behind a strong cold front. Gusty northwest winds will result in wind chill readings in the single digits by late Saturday night and Sunday morning. Some snow accumulation is possible Sunday.

Temperatures plummet 20 to 30 degrees Saturday night and bitter cold temperatures continue into Monday morning. Livestock Cold Stress will plunge into the Emergency Category during this period.Wind chills Sunday will only be from 5-15, and from 3 below to 5 above zero early Monday morning.

Kentucky Weather Forecast

Western KY:
Central KY:
Eastern KY:

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Regional Hourly Observations For JOHNSON County, Kentucky
Issued at 900 PM EST THU JAN 17 2019
JACKSON        LGT RAIN  40  39  97 VRB3      30.02F FOG              
LONDON         LGT RAIN  41  41 100 S3        30.05S FOG              
SOMERSET       DRIZZLE   41  41 100 CALM      30.07S                  
MIDDLESBORO    CLOUDY    40  40 100 S3        30.09S                  
MONTICELLO     LGT RAIN  45  44  97 W14       30.07S                  

KY Round-up, Current Temperatures, Dewpoint, Rh, Wind, Regional Obs., Station Model, NWS Louisville
Meteograms: Paducah , Evansville , Bowling Green , Hopkinsville , Frankfort , Louisville , Lexington , Covington , Jackson , London , About Meteograms

Current Agriculture, Lawn & Garden Weather Conditions in Kentucky
Based on observations at 900pm EST, Thursday January 17, 2019

Across Kentucky...temperatures are near 46 degrees west, near 44 degrees central, and near 40 degrees east. Current sky conditions are cloudy west, cloudy central, and light rain east. In the west, relative humidity is near 82%, and the dew point is near 41 degrees. In the central part of the state, relative humidity is near 89%, and the dew point is near 41 degrees. In the east, relative humidity is near 97%, and the dew point is near 39 degrees. Current drying conditions are poor west, poor central, and poor east. Tobacco stripping conditions are favorable west, favorable central, and favorable east. There is patchy fog central and east. Winds are from the northwest at 5 mph west, where conditions are favorable for spraying. Winds are from the southwest at 7 mph central, where conditions are favorable for spraying. Winds are variable at 3 mph east, where conditions are not favorable for spraying due to light rain. The livestock cold stress index is in the no stress category west, no stress category central, and no stress category east. Based on current available observations, the highest temperature is 47 degrees at Bowling Green. The lowest temperature is 39 degrees at Covington.

List of Agriculture, Lawn & Garden Weather Observations in Kentucky

UKAWC Radar, NWS Radar (NEW!), SPC Radar, SkyWarn, NEXRAD,
Hazardous Weather Outlook For JOHNSON County, Kentucky
355 PM EST Thu Jan 17 2019

 DAY ONE  Tonight.

No hazardous weather is expected at this time.

 DAYS TWO THROUGH SEVEN  Friday through Wednesday.

Times of moderate to heavy showers could lead to excessive rains 
and localized flooding on Saturday and Saturday night. A sharp 
cold front then brings some light snow accumulations to the area 
Saturday night into Sunday. This will be followed by a quick burst
of very cold air with wind chills down into the single digits to 
near zero Sunday night and Monday morning.

Some light accumulations of snow will also be possible on 


Spotter activation may be needed this weekend for a period of
active weather.

NWS Severe Weather Map , Convective Outlook

7-Day Forecast For JOHNSON County, KY
800 PM EST Thu Jan 17 2019

Patchy fog through the night. Rain until early morning. A chance of rain late. Lows in the upper 30s. Light winds. Chance of rain 80 percent.

Cloudy. Patchy fog early. Highs in the lower 40s. Light winds.

Cloudy. A 20 percent chance of rain near dawn. Lows in the mid 30s. Light winds.

Rain showers. Highs in the mid 50s. Light winds becoming south around 10 mph in the afternoon. Chance of rain near 100 percent.

Rain showers in the evening, then rain or snow showers late. Lows in the mid 20s. West winds around 10 mph shifting to the northwest late. Chance of precipitation 90 percent.

Much cooler. Partly sunny with snow showers likely. Light snow accumulations. Highs in the upper 20s. Chance of snow 60 percent.

Cold. Partly cloudy. Lows around 10 above.

Mostly sunny. Highs in the mid 20s.

Partly cloudy. Near steady temperatures in the lower 20s.

Warmer. Partly sunny with a 20 percent chance of rain. Highs in the upper 40s.

Cloudy with a 50 percent chance of rain or snow. Lows in the mid 30s.

Cloudy with rain likely. Highs in the lower 40s. Chance of rain 60 percent.

Mostly cloudy with a 40 percent chance of snow or rain. Lows in the mid 20s.

Mostly cloudy with a 30 percent chance of rain or snow. Highs in the upper 30s.

Day 1 Precip, Day 2, 5 Day Total, Days 1-5, ALL

Medium & Long Range Outlook For JOHNSON County, Kentucky
                 6 TO 10 DAY  8 TO 14 DAY   30 DAY    90 DAY 
                   JAN 23-27 JAN 25-JAN 31    JAN       JAN-MAR                      
                 -----------  -----------  --------  ---------
   Temperature:      Below        Below      Below      Below                      
 Precipitation:      Above        Below      Below      Below                      

....  Medium and long range outlooks provided by NCEP/K. Thomas Priddy
TWC Jet, 15-Day Jet,Trend, Max/Mins
6 to 10 Day , 8 to 14 Day , Text, 30-Day Outook, 90-Day Outook, 120-Day Outlook

Drought Status For JOHNSON County, Kentucky
(Based on the latest Palmer Drought Severity and Crop Moisture Indices)

Hydrological Drought (PDSI) Situation:

Current Long-term Hydrological Moisture Status: EXTREME MOIST SPELL   (PDSI=   4.12)
Rainfall Needed:  0.00 inches ABOVE NORMAL

Crop Moisture (CMI) Situation:

Current Short-term Crop Moisture Status: More Dry Weather Needed, Work Delayed        (CMI=   2.17)
Change From Previous Week: DRIER      SOILS ( -0.25)

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
Kentucky Climate Summary
For the Period 01-10-2019 to 01-16-2019

Temperatures for the period averaged 32 degrees across the state which was 1 degrees cooler than normal and 14 degrees cooler than the previous period. High temperatures averaged from 39 in the West to 36 in the East. Departure from normal high temperatures ranged from 4 degrees cooler than normal in the West to 8 degrees cooler than normal in the East. Low temperatures averaged from 29 degrees in the West to 27 degrees in the East. Departure from normal low temperature ranged from 3 degrees warmer than normal in the West to 4 degrees warmer than normal in the East. The extreme high temperature for the period was 49 degrees at BURKESVILLE 3W and the extreme low was 13 degrees at HINDMAN 5N.

Precipitation (liq. equ.) for the period totaled 0.61 inches statewide which was 0.25 inches below normal and 71% of normal. Precipitation totals by climate division, West 0.60 inches, Central 0.59 inches, Bluegrass 0.67 inches and East 0.60 inches, which was 0.3, 0.33, 0.07 and 0.29 inches below normal. By station, precipitation totals ranged from a low of 0.00 inches at WHITLEY CITY 3N to a high of 1.00 inches at CINCINNATI.

Kentucky Climate Summaries: Last day, Last 3 days, 7 days, 14, 21, 30, 60, 90 days
Yesterday's Weather Data, Kentucky Climate in Review

Almanac Information
Thursday January 17, 2019 the 17th Day of Year

Declination -20.590000
Distance 0.999725 AU
Rise 07:52 EST Set 17:45 EST
Transit Meridian 12:48 EST
Civil Twilight Begins 07:25 EST Ends 18:13 EST

Normal Max/Min Temperature for Today: 41 / 22

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)
What the Moon looks like right now (USN)

On This Day In

Weather History...

A luminous snowstorm occurred in Vermont and New Hampshire. Saint Elmo's
fire appeared as static discharges on roof peaks, fence posts, and the hats
and fingers of people. Thunderstorms prevailed over central New England.
(David Ludlum)
The mercury dipped to 17 degrees below zero at Millsboro DE to establish a
state record. (The Weather Channel)
A single storm unloaded 77.5 inches of snow at Summit MT to establish a
state record. (The Weather Channel)
Strong chinook winds caused severe wind damage in Boulder CO. Wind gusts to
118 mph was recorded on the roof of the Environmental Research Laboratories
(ERL), and a wind gust to 137 mph was measured atop the roof of the NCAR
building (in the southwest part of the city, 600 feet above ground level).
The high winds uprooted trees and damage roofs. (Storm Data)
A winter storm spread snow from the Southern Rockies into the Middle
Mississippi Valley and southwestern sections of the Great Lakes Region, and
freezing rain across Texas and oklahoma. Snowfall totals ranged up to 16
inches at Tulia TX, with 12 inches at Wellington KS. (National Weather
Summary) (Storm Data)
A Pacific storm battered the southern coast of California. Winds gusting to
65 mph uprooted trees in San Diego. Los Angeles reported an all-time record
low baromteric pressure reading of 29.25 inches. (National Weather Summary)
(Storm Data)
Strong chinook winds along the eastern slopes of the Rockies gusted to 90
mph near Rollinsville CO, and reached 94 mph near Big Timber MT. Heavy snow
blanketed parts of the Upper Mississippi Valley, with eight inches reported
in Douglas County WI. (National Weather Summary) (Storm Data)
Twenty cities across the southeastern half of the country reported record
high temperatures for the date. Record highs included 61 degrees at
Williamstown PA and 85 degrees at Brownsville TX. Evening thunderstorms
produced large hail and damaging winds from eastern Texas to Mississippi.
(National Weather Summary) (Storm Data)
Bowling Green received 1.37" of liquid equivalent precipitation on January 
17, setting a new record for the date.  The old record was 1.25" set in 
1990. (Louisville NWS)
UKAWC Briefing Page

Ag Weather Center, Department of Biosystems & Agricultural Engineering, University of Kentucky