035  
FXUS63 KDVN 201924  
AFDDVN  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE QUAD CITIES IA IL  
124 PM CST THU NOV 20 2025  
   
KEY MESSAGES
 
 
- STUBBORN CLOUD COVER WILL CONTINUE THROUGH MUCH OF THE SHORT  
TERM. FOG IS POSSIBLE AGAIN TONIGHT.  
 
- TIGHT CUTOFF BETWEEN RAIN AND NO RAIN ACROSS THE FAR SOUTH  
WILL MAKE FORECAST DIFFICULT FRIDAY INTO SATURDAY MORNING.  
 
- A QUIET WEEKEND UNDER NORTHWEST FLOW WILL LEAD US INTO A  
POTENTIALLY WET START TO THE NEW WORK WEEK. ACTIVE AND COOLER  
WEATHER TO FOLLOW LATER NEXT WEEK.  
 

 
   
SHORT TERM /THROUGH FRIDAY/
 
 
ISSUED AT 124 PM CST THU NOV 20 2025  
 
UNFORTUNATELY, IT LOOKS LIKE THE CLOUDS WILL REMAIN IN PLACE  
ACROSS THE AREA THROUGH MOST OF THE SHORT TERM PERIOD. ACTIVE  
FLOW, WITH STATIONARY/SLOW MOVING BOUNDARIES WILL KEEP  
TEMPERATURES LOW AND MOISTURE IN PLACE ACROSS THE AREA. A  
SHORTWAVE IS EXPECTED TO APPROACH THE SOUTHERN CWA TOMORROW FROM  
THE SW. THE BETTER VORTICITY ADVECTION SHOULD REMAIN SOUTH OF  
THE AREA. AT THE SAME TIME, AS THIS WAVE APPROACHES THE AREA,  
SURFACE WINDS WILL USHER IN DRIER AIR FROM THE EAST INTO OUR  
AREA.  
 
LOOKING TOWARDS IMPACTS, ANOTHER DECENT SETUP FOR FOG EXISTS  
TONIGHT. THE HREF IS LESS BULLISH ON POTENTIAL DENSE FOG,  
HOWEVER MANY OF THE RECENT HRRR RUNS AND OTHER CAMS SHOW A  
SOMEWHAT SIMILAR AXIS FOR DENSE FOG TONIGHT AS THIS MORNING. AT  
THIS TIME, HAVE NOT GONE WITH ANY PRODUCTS AS LATER SHIFTS CAN  
CONTINUE TO MONITOR TRENDS. WILL MENTION IN THE HWO THOUGH AND  
IN A WEATHER STORY.  
 
LOOKING TOWARDS THE WAVE, THIS WAVE WILL HELP TO BRING DRIER AIR  
INTO THE AREA LATER TONIGHT AND INTO THE MORNING. WHILE THIS  
SHOULD CUT DOWN ON ANY FOG POTENTIAL, LARGESCALE ASCENT  
CONTINUES TO BE FORECAST ACROSS THE AREA, SO CLOUDS WILL BE  
HARD TO BREAK OUT. MAYBE SOME IMPROVEMENT IN THE BASES OF SAID  
CLOUDS MAY OCCUR. WHAT THIS DRY AIR WILL DO IS TIGHTEN THE QPF  
GRADIENT, WHERE SOME AREAS WILL SEE DECENT RAINFALL AND 10 MILES  
NORTH MAY SEE NOTHING. THE LATEST CAMS SHOW SHOWERS EMBEDDED IN  
THE OVERALL FLOW. THESE SHOWERS STAY SOUTH OF THE CWA. GUIDANCE  
HAS CONTINUED THE TREND OF SHIFTING THESE SOUTH, SO CONFIDENCE  
IS PRETTY HIGH THAT MOST RAIN WILL REMAIN SOUTH OF US. OVERALL,  
ARE FAR SOUTH COULD SEE A COUPLE TENTHS OF AN INCH OF RAIN.  
 

 
   
LONG TERM /FRIDAY NIGHT THROUGH WEDNESDAY/
 
 
ISSUED AT 124 PM CST THU NOV 20 2025  
 
THE PATTERN REMAINS QUIET THIS WEEKEND, USHERING CLEARING SKIES  
ACROSS THE AREA. INTO THE HOLIDAY WEEK, CHANCES FOR PRECIP  
RETURN TO THE AREA WITH TEMPS COOLING FOR THE HOLIDAY. THERE ARE  
TWO SHORTWAVES THAT TRANSVERSE THE FLOW NEXT WEEK. THE FIRST ONE  
MONDAY, AND A SECOND STRONGER ONE FOR MIDWEEK. THERE ARE TIMING  
DIFFERENCES WITH THE SECOND ONE, WHICH WILL AFFECT OVERALL  
IMPACTS ACROSS THE AREA. WE WILL HAVE TO WATCH THIS ONE AS COLD  
AIR COULD BE IN PLACE ACROSS THE REGION. HOWEVER, AT THIS TIME  
SPECIFICS ARE HARD TO COME BY BASED ON THE OVERALL TIMING  
DIFFERENCES.  
 
THIS WEEKEND LOOKS LIKE A GREAT DAY TO GET OUTSIDE AND FINISH  
ANY YARD WORK LEFT. SUN SHOULD RETURN TO THE AREA WITH LIGHT  
WINDS AS HIGH PRESSURE IS EXPECTED ACROSS THE AREA. HIGHS IN THE  
50S TO NEAR 60 ARE FORECAST. DEWPOINTS WILL BE IN THE 40S,  
MEANING THESE TEMPS WILL FEEL PLEASANT! NEXT WEEKEND WILL  
LIKELY BE MUCH COOLER THAN THIS, SO BE SURE TO ENJOY THIS  
WEEKEND!  
 
THE PATTERN AT THE BEGINNING OF NEXT WEEK DEPICTS A SHORTWAVE  
MOVING ACROSS THE CENTRAL PLAINS TOWARD US. AT THE SAME TIME, A  
STRONGER WAVE/TROF DIGS IN ACROSS THE WESTERN CWA. THIS PATTERN  
WILL HELP BRING MOISTURE INTO THE AREA FROM THE GULF. DEPENDING  
ON THE TRACK OF THE FIRST WAVE, WE WILL LIKELY SEE PRECIP. TEMPS  
ARE FORECAST TO REMAIN ABOVE FREEZING WITH THIS WAVE, SO NO SNOW  
IS EXPECTED.  
 

 
   
AVIATION /12Z TAFS THROUGH 12Z FRIDAY/
 
 
ISSUED AT 510 AM CST THU NOV 20 2025  
 
LOW IFR CONDITIONS ARE FOUND OVER MUCH OF EASTERN IOWA AND  
NORTHERN ILLINOIS, MAINLY WITH LOW CIGS AROUND 200-500FT, AND  
VISIBILITY BETWEEN 1/4 MILE AND 2 MILES IN DENSE FOG, AND SOME  
LIGHT DRIZZLE. SOMEWHAT BETTER, BUT STILL IFR CONDITIONS ARE  
FOUND FARTHER SOUTH AT MLI AND BRL. THESE LOW CONDITIONS WILL  
SLOWLY IMPROVE THIS MORNING, BUT REMAIN AT LEAST MVFR THROUGH  
EARLY AFTERNOON. TONIGHT, MODELS INDICATE IMPROVING CONDITIONS,  
BUT I'VE GONE WITH PERSISTENT MVFR CIGS AT ALL LOCATIONS  
TONIGHT, AS UNTIL THIS PATTERN BREAKS DOWN, LOWER CONDITIONS ARE  
EXPECTED DURING THE OVERNIGHT HOURS.  
 

 
   
DVN WATCHES/WARNINGS/ADVISORIES
 
 
IA...NONE.  
IL...NONE.  
MO...NONE.  
 

 
 

 
 
SHORT TERM...GIBBS  
LONG TERM...GIBBS  
AVIATION...GIBBS  
 
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