839  
FXUS63 KJKL 112105  
AFDJKL  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE JACKSON KY  
405 PM EST SUN JAN 11 2026  
   
KEY MESSAGES  
 
- A WARMING TREND BEGINS MONDAY, WITH EVEN WARMER WEATHER  
ARRIVING TUESDAY AS TEMPERATURES CLIMB INTO THE 50S.  
 
- ACCUMULATING SNOW IS POSSIBLE WEDNESDAY NIGHT INTO THURSDAY AS  
A MORE SIGNIFICANT STORM SYSTEM MOVES INTO THE AREA.  
 
 
   
SHORT TERM  
(THIS EVENING THROUGH MONDAY NIGHT)  
ISSUED AT 405 PM EST SUN JAN 11 2026  
 
20Z SFC ANALYSIS SHOWS AN AREA OF DRY HIGH PRESSURE STARTING TO  
BUILD IN FROM THE WEST. THIS HAS HELPED TO BRING AN END TO THE  
IMPACTFUL SNOW SHOWERS AND SQUALLS THAT AFFECTED EASTERN KENTUCKY  
INTO MID AFTERNOON. JUST A FEW FLURRIES REMAIN IN THE FAR  
NORTHEAST WITH MOST PLACES SEEING AMPLE SUNSHINE. CURRENTLY,  
TEMPERATURES ARE IN THE UPPER 20S TO LOWER 30S, MOST PLACES.  
MEANWHILE, AMID NORTHWESTERLY WINDS OF 10 TO 20 MPH WITH STILL  
SOME LINGERING HIGHER GUSTS, DEWPOINTS ARE GENERALLY IN THE MID TO  
UPPER TEENS.  
 
THE MODELS, AND THEIR INDIVIDUAL ENSEMBLE SUITES, ARE STILL IN  
VERY GOOD AGREEMENT ALOFT THROUGH THE SHORT TERM PORTION OF THE  
FORECAST. THEY ALL DEPICT A DEEP TROUGH SWEEPING EAST OF THE OHIO  
VALLEY. RISING HEIGHTS TAKE PLACE IN ITS WAKE WITH MODERATING AND  
SLOWING NORTHWEST MID LEVEL FLOW TONIGHT BRINGING ONLY SOME WEAK  
ENERGY TO EASTERN KENTUCKY THROUGH MONDAY MORNING. AN ADDITIONAL  
WEAK BATCH ALSO MOVES THROUGH LATER MONDAY NIGHT. MEANWHILE, A 5H  
CLOSED LOW TROUGH IS NOTED OVER THE TEXAS PANHANDLE THAT WILL  
EVENTUALLY BE OUR NEXT WEATHER MAKER BY MID TO LATE IN THE WORK  
WEEK. THE STILL RATHER SMALL SPREAD AMONG THE MODELS SUPPORTED  
USING THE NBM AS THE STARTING POINT OF THE FORECAST GRIDS WITH  
SOME ADJUSTMENTS NEEDED TO INCLUDE MORE TERRAIN DETAILS FOR THE  
TEMPERATURES TONIGHT AND IN PARTICULAR MONDAY NIGHT.  
 
SENSIBLE WEATHER WILL FEATURE A CHILLY NIGHT WITH MOSTLY CLEAR  
SKIES AND SOME LIMITED COLD AIR ADVECTION ON SLACKENING NORTHWEST  
WINDS. SOME LINGERING WET PATCHES MAY LEAD TO SLICK SPOTS ON  
UNTREATED ROADS AFTER SUNSET. LOOK FOR LIMITED RADIATIONAL COOLING  
TO MAKE FOR COLDER TEMPERATURES IN THE VALLEYS INTO MONDAY  
MORNING. TUESDAY WILL BE MILDER BUT STILL ON THE COOL SIDE DESPITE  
MORE SUNSHINE AS HIGH PRESSURE SLINKS OFF TO THE SOUTH. THAT  
NIGHT, GOOD RADIATIONAL COOLING CONDITIONS AND RETURN FLOW  
STARTING ON THE RIDGES WILL SUPPORT A DECENT RIDGE TO VALLEY  
TEMPERATURE SPLIT BY TUESDAY MORNING.  
 
THE CHANGES TO THE NBM STARTING POINT PRIMARILY CONSISTED OF  
ADDING A TOUCH OF EXTRA TERRAIN ENHANCEMENT FOR THE TEMPERATURES  
TONIGHT AND MORE SO ON MONDAY NIGHT. POPS WERE KEPT ABOUT ZERO  
THROUGH THE PERIOD - IN LINE WITH ALL OF THE GUIDANCE.  
   
LONG TERM  
(TUESDAY THROUGH SUNDAY)  
ISSUED AT 306 PM EST SUN JAN 11 2026  
 
WHILE HIGH PRESSURE SHOULD KEEP MUCH OF THE SHORT-TERM DRY,  
UNFORTUNATELY THIS WILL NOT LAST HEADING INTO THE EXTENDED PORTION  
OF THE FORECAST. TUESDAY WILL START OFF WITH SOME INCREASED  
TROUGHING ALOFT, AS A SURFACE LOW PRESSURE CENTER MOVES ACROSS LAKE  
SUPERIOR, BRINGING AN AREA OF PRECIPITATION TO THE GREAT LAKES  
REGION. THANKFULLY THIS PRECIPITATION SHOULD REMAIN JUST TO OUR  
NORTH, KEEPING US DRY THROUGHOUT THE DAY. HOWEVER, THE ABOVE-  
MENTIONED SURFACE HIGH PRESSURE WILL EXIT TO OUR EAST THROUGHOUT THE  
DAY, BRINGING THE RETURN OF STRONG SW FLOW. TEMPERATURES WILL TOP  
OUT IN THE MID 50S ACROSS MUCH OF EASTERN KY, AROUND 10 DEGREES  
ABOVE NORMAL FOR THIS TIME OF YEAR. AGAIN, NOT SOMETHING TO GET TOO  
EXITED ABOUT, BECAUSE THIS TOO WILL BE SHORT-LIVED.  
 
TUESDAY NIGHT WILL START TO SEE A TRANSITION IN THE FLOW ALOFT. A  
SHORTWAVE WILL DROP FROM SOUTH-CENTRAL CANADA, AND CONTINUE TO  
DEEPEN THE OVERALL TROUGHING PATTERN THROUGH WEDNESDAY, BRINGING  
SHARPLY DECREASING PRESSURE TO MUCH OF THE MID/UPPER MISSISSIPPI AND  
OHIO VALLEYS. A CLOSED UPPER LOW WILL THEN FORM BY WEDNESDAY  
EVENING, DEEPENING AS IT MOVES STRAIGHT ACROSS THE OHIO VALLEY AND  
THEN KENTUCKY WEDNESDAY NIGHT INTO THURSDAY, BEFORE FINALLY EXITING  
THURSDAY EVENING AND OVERNIGHT. THE ECWMF SHOWS THIS LOW GETTING AS  
LOW AS 516MB ON THURSDAY AFTERNOON. THE RESULT WILL BE VERY TIGHT  
PRESSURE GRADIENTS, STRONG LIFT, AND A DEEP DIVE OF COLD CANADIAN  
AIR INTO THE REGION. THE RETURN OF WINTER.  
 
AT THE SURFACE, A COLD FRONT WILL DEVELOP AHEAD OF THE INFLUX OF  
COLD AIR ON THE APEX AND BACKSIDE OF THE UPPER LEVEL TROUGH. THIS  
TOO WILL OFFER A CENTER FOR LIFT AND INSTABILITY, LEADING TO  
INCREASED PRECIPITATION AS IT MOVES THROUGH EASTERN KY STARTING  
TUESDAY NIGHT AND CONTINUING INTO THE DAY WEDNESDAY. EVEN AFTER THE  
COLD FRONT EXITS TO THE SE, THE CENTER OF THE UPPER LEVEL LOW WILL  
REMAIN IN PLACE, CONTINUING THE PRECIPITATION POTENTIAL UNTIL IT  
EXITS THURSDAY EVENING. WITH THE WARM AIR IN PLACE AHEAD OF THIS  
SYSTEM, IT LOOKS LIKE ALL PRECIPITATION SHOULD START OFF AS RAIN  
TUESDAY NIGHT INTO WEDNESDAY. HOWEVER, AS SOON AS THE INFLUX OF COLD  
AIR MOVES IN STARTING WEDNESDAY EVENING, TEMPERATURES WILL QUICKLY  
DROP BELOW FREEZING, AND ALL RAIN WILL TRANSITION TO SNOW WEDNESDAY  
NIGHT. BY THE TIME IT TAPERS OFF LATE THURSDAY, THE CURRENT FORECAST  
HAS BETWEEN 1 INCH (WEST) AND POSSIBLY 4-5 INCHES (EAST), BASED ON  
WPC QPF, AND NBM TEMPERATURES. THIS IS STILL DAYS 4-5, SO THERE IS  
ROOM FOR CHANGE, BUT DEFINITELY GOING TO HAVE SOME IMPACTS. HIGHS ON  
THURSDAY WILL ONLY REACH THE UPPER 20S TO LOW 30S (SOME 20+ DEGREES  
COLDER THAN TUESDAY).  
 
THEORETICALLY, HAD THIS SYSTEM DIVE-BOMBED FURTHER SOUTHWARD,  
PUTTING KY MORE IN THE COLD SECTOR, AND WE WERE COLDER STARTING OUT,  
THESE SNOWFALL AMOUNTS COULD BE MUCH MUCH MORE. THANKFULLY THERE IS  
VERY GOOD AGREEMENT AMONGST THE MODELS ON THE TRACK OF THIS LOW  
ACROSS THE STATE, WHICH IS GIVING BETTER CONFIDENCE TO THE IMPACTS  
AND OUTCOMES OF THIS SYSTEM.  
 
UNFORTUNATELY AS THIS SYSTEM EXITS THURSDAY NIGHT, WE AREN'T DONE  
FOR THE EXTENDED PERIOD. NO SOONER DOES THIS SYSTEM EXIT, BEFORE  
ANOTHER SHORTWAVE AND LOW PRESSURE SYSTEM BEGINS TO IMPACT KY FROM  
THE NW. THE HEIGHT FALLS WILL BE FELT FIRST FRIDAY, WITH THE  
PRECIPITATION ARRIVING SHORTLY AFTER, LIKELY IMPACTING FRIDAY NIGHT  
AND CONTINUING AT TIMES THROUGH SUNDAY. UNLIKE THE TUESDAY-THURSDAY  
SYSTEM, THERE IS VERY VERY LITTLE AGREEMENT IN THIS NEXT WEEKEND  
SYSTEM. KEPT WITH THE NBM FOR NOW, SIMPLY BECAUSE THERE IS SUCH A  
WIDE RANGE IN SOLUTIONS AMONGST THE LONG-RANGE MODELS THAT THERE IS  
VERY LITTLE CONFIDENCE TOWARDS ONE PARTICULAR SOLUTION. EXPECT THESE  
PATTERNS TO CHANGE, MODELS TO START TO LINE UP, AND PRECIPITATION  
TIMING/LOCATION TO COME INTO BETTER CONFIDENCE. RIGHT NOW, IT LOOKS  
LIKE HIGHS WILL TOP OUT IN THE MID AND UPPER 30S DURING THIS TIME  
PERIOD, AND LOWS IN THE TEENS AND 20S, WHICH SHOULD KEEP THE  
PRECIPITATION TYPE MAINLY LIGHT SNOW WITH SOME RAIN MIXED IN DURING  
THE DAY. BUT AGAIN, THIS COULD EASILY CHANGE DEPENDING ON HOW THE  
SYSTEM DEVELOPS.  
 
 
   
AVIATION  
(FOR THE 18Z TAFS THROUGH 18Z MONDAY AFTERNOON)  
ISSUED AT 1255 PM EST SUN JAN 11 2026  
 
WIDESPREAD SNOW SHOWER AND ISOLATED SNOW SQUALL ACTIVITY MARKED  
THE START OF THE 18Z AVIATION FORECAST CYCLE WITH THE EASTERN  
TERMINALS STILL SEEING IMPACTS THAT WILL BRIEFLY REACH IFR OR  
WORSE CONDITIONS AS ANY SQUALL PASSES. THIS THREAT DIMINISHES  
FROM WEST TO EAST BETWEEN 18 AND 20Z BRINGING A RETURN TO VFR  
STATUS. WINDS WILL GENERALLY BE NORTHWESTERLY INTO THE EVENING AT  
10 TO 15 KTS WITH GUSTS OF 20 TO 30 KTS BEFORE DIMINISHING AFTER  
DARK. WINDS THEN WILL BE LIGHT AND VARIABLE DURING MUCH OF THE  
NIGHT BUT PICK UP TO BETWEEN 5 AND 10 KTS FROM THE SOUTHWEST BY  
MIDDAY MONDAY.  
 
 
   
JKL WATCHES/WARNINGS/ADVISORIES  
 
NONE.  
 
 
 
 
 
SHORT TERM...GREIF  
LONG TERM...JMW  
AVIATION...GEERTSON/GREIF  
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