800  
FXUS63 KTOP 242040  
AFDTOP  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE TOPEKA KS  
239 PM CST WED DEC 24 2025  
   
KEY MESSAGES  
 
- DENSE FOG REDEVELOPS TONIGHT INTO CHRISTMAS MORNING LINGERING  
UNTIL THE LATE MORNING HOURS.  
 
- A DENSE FOG ADVISORY HAS BEEN ISSUED FROM 9 PM TONIGHT THROUGH  
NOON THURSDAY.  
 
- WARM FRIDAY AND SATURDAY BEFORE A COLD FRONT BRINGS BACK  
WINTER- LIKE AIR FROM THE NORTH SUNDAY AND EARLY NEXT WEEK.  
 
 
   
DISCUSSION  
 
ISSUED AT 234 PM CST WED DEC 24 2025  
 
ANOTHER FOGGY START TO THE DAY TODAY AS MORE DENSE FOG WAS NOTED  
ACROSS MUCH OF EASTERN KANSAS. THIS FOG HAS SINCE LIFTED TO LOW  
STRATUS ACROSS NORTHERN KANSAS WITH CLEARING SKIES ALONG AND SOUTH  
OF I-70 AS A WEAK PRESSURE TROUGH IS BEGINNING TO STALL ACROSS THE  
AREA. SYNOPTIC FLOW REMAINS RELATIVELY UNCHANGED WITH SOUTHWEST FLOW  
OVERSPREADING THE SOUTHERN AND CENTRAL PLAINS AHEAD OF THE  
ATMOSPHERIC RIVER EVENT IN CALIFORNIA AND A BERMUDA HIGH SETTLED  
OVER THE TX/LA AREA. CLOUD COVER AND FOG HELPED TO KEEP US A TOUCH  
COOLER THAN PREVIOUS FORECASTS HAD NOTED, BUT WITH THE CLEARING  
CLOUDS ALONG AND SOUTH OF I-70, AND WAA, EXPECT THESE AREAS TO REACH  
THE UPPER 60S AND SOME LOW 70S. NORTH OF I-70 WHERE STRATUS HAS  
LINGERED LONGER, HIGHS WILL ONLY TOP OUT IN THE UPPER 50S AND LOW  
60S.  
 
BY THIS EVENING, DENSE FOG IS EXPECTED TO REDEVELOP ALONG AND NORTH  
OF THE PRESSURE TROUGH THAT REMAINS STALLED ACROSS EAST-CENTRAL  
KANSAS. AS THE OVERNIGHT HOURS PROGRESS, THE TROUGH IS EXPECTED TO  
SINK SOUTH A BIT TOWARDS THE I-35 CORRIDOR, USHERING FOG TO SPREAD  
SOUTH TO MEET IT. CURRENT THINKING IS THAT WITH MINIMAL WARMING  
ACROSS NORTHERN KANSAS THIS AFTERNOON, TD/T SPREAD WILL REMAIN VERY  
SMALL. FOG WILL FIRST REDEVELOP ACROSS NORTHEASTERN KANSAS,  
SPREADING WEST AND SOUTH LATE THIS EVENING AND EXPANDING TO MOST OF  
THE AREA BY SUNRISE CHRISTMAS MORNING. WITH LOW LEVEL PROFILES AGAIN  
SHOWING DEEP SATURATION, EXPECT DENSE FOG TO REDUCE VISIBILITIES TO  
1/4 MI OR LESS AGAIN. SOME DRIZZLE MAY ACCOMPANY THE FOG IN FAR EAST-  
CENTRAL KANSAS AFTER 2 AM, BUT BETTER FORCING IN THE SATURATION  
LAYER REMAINS EAST. HREF PROBABILITIES OF 50+% FOR VISIBILITIES  
LESS THAN 0.5 MILES INCREASED CONFIDENCE ENOUGH TO PUT OUT  
ANOTHER DENSE FOG ADVISORY FOR MOST OF THE AREA (EXCLUDING  
COFFEY AND ANDERSON COUNTIES) FROM 9 PM TONIGHT THOUGH 12 PM  
THURSDAY. THIS MAY NEED TO BE EXPANDED INTO THE COFFEY AND  
ANDERSON COUNTIES LATER TONIGHT IF CONFIDENCE IN WIDESPREAD FOG  
POTENTIAL INCREASES THAT FAR SOUTH AND EAST. IT MAY BE MORE  
PATCHY IN NATURE THAN WIDESPREAD AND WAS MAIN REASON FOR THE  
CHOICE TO EXCLUDE THEM.  
 
FOG BURNS OFF BY 10A-12P CHRISTMAS DAY WITH MOST MIXING TO LOW  
STRATUS. THERE MAY BE SOME SCATTERING OUT OF THE STRATUS DECK ACROSS  
SOUTHERN PORTIONS OF THE AREA, BUT CAMS ARE NOT CONFIDENT IN LOSING  
THE CLOUD COVERAGE. HIGH TEMPERATURES THURSDAY WILL AGAIN BE LARGELY  
IMPACTED BY IF CLOUD COVER CAN SCATTER OUT. IF STRATUS HOLDS, MUCH  
COOLER HIGH TEMPERATURES WILL BE REALIZED, TOPPING OUT IN THE UPPER  
50S AND LOW 60S. WENT SLIGHTLY OPTIMISTIC IN HIGHS TOMORROW  
WITH MID 50S NORTH TRANSITIONING TO MID/UPPER 60S SOUTHEAST.  
THAT SAID, SREF PROBABILITIES OF BROKEN LOW CLOUD COVER  
IS AT 80%. IF THESE TRENDS PERSIST, EXPECT THE LOWER END OF  
HIGH TEMPERATURES CHRISTMAS DAY AND NOT THE NEAR RECORD  
TEMPERATURES THAT WAS ANTICIPATED EARLIER IN THE WEEK.  
 
BY THURSDAY INTO FRIDAY, WINDS SHIFT TO THE WEST AND BRING IN A  
DRIER AIRMASS. THIS SHOULD STAVE OFF MOST FOG CONCERNS FRIDAY  
MORNING. CANNOT RULE OUT SOME PATCHY FOG AT THIS POINT, BUT  
CONFIDENCE IS NOT HIGH AT THIS POINT. BY FRIDAY AND SATURDAY  
AFTERNOON, DRIER AIR, MOSTLY CLEAR SKIES, DIURNAL MIXING AND MID-  
LEVEL RIDGING OVERHEAD WILL PROMOTE TEMPERATURES IN THE MID TO UPPER  
60S - POSSIBLY SOME LOW 70S ACROSS EAST-CENTRAL KS. THE WARMTH COMES  
TO AN ABRUPT STOP BY SATURDAY NIGHT INTO SUNDAY MORNING AS CANADIAN  
LOW SWEEPS IN FROM THE NORTHWEST PUSHING AN ARCTIC FRONT THROUGH THE  
AREA. THERE MAY BE SOME PRECIPITATION CHANCES BECOME REALIZED ACROSS  
EAST-CENTRAL KS SUNDAY MORNING WHERE MOISTURE IS RICHER, BUT CHANCES  
REMAIN LOW (<25%). STRONG CAA BEHIND THE FRONT WILL LIMIT MUCH  
WARMING SUNDAY AFTERNOON WITH HIGHS TOPPING OUT IN THE 40S AND GUSTY  
NORTHWEST WINDS UP TO 35 MPH. THE COLD PERSISTS INTO EARLY NEXT WEEK  
WITH LOW TEMPERATURES MONDAY AND TUESDAY GETTING DOWN INTO THE  
TEENS! THERE IS A SUBTLE WARMING TREND BY MID WEEK, BUT NBM 25TH-  
75TH TEMPERATURE SPREADS STILL REMAIN AROUND 10-15 DEGREES THIS FAR  
OUT, SO OVERALL CONFIDENCE IS LOW AT THIS TIME. THAT SAID, ANY  
WIDESPREAD PRECIPITATION CHANCES LOOK TO REMAIN NEAR ZERO IN THE  
NEXT WEEK OUTSIDE SUNDAY'S CHANCES.  
 
 
   
AVIATION /18Z TAFS THROUGH 18Z THURSDAY/  
 
ISSUED AT 1148 AM CST WED DEC 24 2025  
 
FOG IS BEGINNING TO SCATTER OUT ACROSS THE TERMINALS AND SHOULD  
BECOME VFR VISIBILITIES AROUND 18-19Z. STILL COULD HAVE SOME  
LINGERING BROKEN IFR/MVFR CEILINGS THROUGH THE AFTERNOON AND MAY  
BOUNCE AROUND A BIT. FOG RETURNS LATER THIS EVENING WITH  
VISIBILITIES AND CEILINGS AGAIN FALLING TO LIFR. FOG SHOULD  
AGAIN HOLD INTO THE MID TO LATE MORNING BEFORE BEGINNING TO  
SCATTER OUT.  
 
 
   
CLIMATE  
 
ISSUED AT 211 AM CST WED DEC 24 2025  
 
RECORD FORECAST NORMAL  
 
DEC 25 HIGH TOPEKA 68 (1922, 2016) 62 41  
CONCORDIA 64 (1950, 2016) 55 39  
 
DEC 26 HIGH TOPEKA 67 (2008) 66 41  
CONCORDIA 64 (1959, 2008) 68 39  
 
DEC 27 HIGH TOPEKA 71 (1946) 69 41  
CONCORDIA 63 (1928, 1976) 63 39  
 
 
   
TOP WATCHES/WARNINGS/ADVISORIES  
 
DENSE FOG ADVISORY FROM 9 PM THIS EVENING TO NOON CST THURSDAY  
FOR KSZ008-KSZ009-KSZ010-KSZ011-KSZ012-KSZ020-KSZ021-KSZ022-  
KSZ023-KSZ024-KSZ026-KSZ034-KSZ035-KSZ036-KSZ037-KSZ038-KSZ039-  
KSZ040-KSZ054-KSZ055-KSZ056.  
 
 
 
 
 
DISCUSSION...GRIESEMER  
AVIATION...GRIESEMER  
CLIMATE...GRIESEMER  
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