456  
FXUS63 KMKX 231133  
AFDMKX  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI  
633 AM CDT FRI OCT 23 2026  
   
KEY MESSAGES  
 
- DENSE FOG OVER FAR ERN WI THIS MORNING.  
 
- ABOVE NORMAL TEMPERATURES AND DRY CONDITIONS WILL CONTINUE  
INTO THE WEEKEND.  
 
- TEMPERATURES TRENDING COOLER FOR EARLY NEXT WEEK WITH  
NORTHEAST WINDS. THERE ARE SOME CHANCES (20 TO 30 PERCENT) FOR  
SHOWERS FOR THE MIDDLE TO LATER PORTIONS OF NEXT WEEK.  
 
 
   
UPDATE  
 
ISSUED 632 AM CDT FRI OCT 23 2026  
 
SATELLITE IMAGERY AND OBSERVATIONS SUPPORTED CANCELLING THE  
DENSE FOG ADVISORY FOR DODGE COUNTY. OTHERWISE THE ADVISORY  
REMAINS IN EFFECT UNTIL 10 AM CDT FOR ERN WI. SOME FOG WILL  
LIKELY LINGER TOWARD NOON OR EVEN INTO THE AFTERNOON NEAR THE  
LAKE. LIGHT SELY WINDS TODAY WILL BECOME SLY WINDS AND INCREASE  
A BIT TNT, WHILE A NARROW AND HIGH AMPLITUDE RIDGE BUILDS ALOFT.  
GIVEN THAT A DRIER AIRMASS EXISTS JUST TO THE SOUTH THIS MORNING,  
BELIEVE LITTLE TO NO FOG WILL OCCUR TNT. MIDDLE TO UPPER LEVEL  
CLOUDS WILL ALSO STREAM ACROSS THE REGION TNT LIMITING THE  
RADIATIONAL POTENTIAL FOR FOG. OTHERWISE A VERY MILD SSWLY FLOW  
WILL CONTINUE THROUGH THE WEEKEND BUT WITH MORE CLOUDS AS WELL.  
 
GEHRING  
 
 
   
SHORT TERM  
 
ISSUED 1151 PM CDT THU OCT 22 2026  
 
TONIGHT THROUGH SATURDAY:  
 
AREAS OF FOG WILL LIKELY CONTINUE IN THE EAST INTO FRIDAY  
MORNING AND WILL BE DENSE AT TIMES. THE CURRENT DENSE FOG  
ADVISORY RUNS UNTIL 10 AM FRIDAY AND MAY NEED TO BE EXPANDED A  
BIT TO THE NORTH AND SOUTH BASED ON LATEST WEBCAMS AND  
OBSERVATIONS. LATEST MODELS SHOW THAT THE BULK OF THE FOG AND  
LOW CLOUDS SHOULD DISSIPATE BY MID-MORNING TOMORROW, BUT  
WOULDN'T BE SURPRISED TO SEE THESE CONDITIONS HANG AROUND IN A  
FEW SPOTS THROUGH LATE MORNING GIVEN THE LIGHT WINDS. SOUTHERLY  
WINDS ARE EXPECTED TO PICK UP A BIT BY THE AFTERNOON ON THE BACK  
SIDE OF HIGH PRESSURE, WHICH SHOULD HELP TO GET RID OF ANY  
LINGERING FOG.  
 
TEMPERATURES WILL LIKELY BE SLOW TO WARM IN THE EAST TOMORROW  
GIVEN THE LINGERING CLOUDS/FOG, BUT THERE SHOULD BE ENOUGH  
SUNSHINE IN THE AFTERNOON FOR HIGHS BACK UP IN THE UPPER 60S TO  
NEAR 70. HIGHS IN THE 71-74 RANGE AREA LIKELY IN THE WEST GIVEN  
MORE SUNSHINE.  
 
SOUTHERLY WINDS WILL PERSIST FRIDAY NIGHT INTO SATURDAY, AS THE  
HIGH TO THE EAST ISN'T EXPECTED TO BUDGE. THOUGH A FAIR AMOUNT  
OF HIGH CLOUDS ARE LIKELY SATURDAY, ENOUGH FILTERED SUNSHINE IS  
EXPECTED FOR HIGHS AROUND 70 AGAIN GIVEN THE CONTINUED WARM  
SOUTHERLY LOW LEVEL FLOW.  
 
DDV  
 
 
   
LONG TERM  
 
ISSUED 1151 PM CDT THU OCT 22 2026  
 
SUNDAY THROUGH THURSDAY:  
 
LOW PRESSURE PASSING BY WELL TO THE NORTHEAST ON SUNDAY WILL  
DRAG A COLD FRONT THROUGH SOUTHERN WISCONSIN BY THE AFTERNOON  
AND/OR EVENING HOURS. THERE SHOULD BE ENOUGH TIME AHEAD OF THE  
FRONT FOR SOUTHERLY WINDS THROUGH AT LEAST THE FIRST HALF OF THE  
DAY, SO ANOTHER MILD DAY IS EXPECTED. WINDS WILL SHIFT TO  
NORTHERLY BEHIND THE FRONT LATER IN THE DAY, WITH COOLER  
CONDITIONS THEN EXPECTED ON MONDAY. NOT EXPECTING MUCH MOISTURE  
AS THIS SYSTEM MOVES THROUGH, SO KEPT THE DRY FORECAST FOR  
SUNDAY AND MONDAY.  
 
TEMPS WILL REMAIN COOLER TUESDAY, THOUGH LIKELY STILL NEAR OR A  
COUPLE DEGREES ABOVE NORMAL FOR LATE OCTOBER. A SHORTWAVE WILL  
LIFT THROUGH THE REGION TUESDAY INTO TUESDAY NIGHT, THOUGH THE  
MAIN FORCING AND MOISTURE IS LIKELY TO REMAIN NORTH OF THE  
FORECAST AREA PER LATEST MODELS. ONLY HAVE 10-20 PERCENT CHANCE  
FOR RAIN IN THE NORTHWEST AS THIS SYSTEM SLIDES BY TO THE NORTH.  
 
DDV  
 
 
   
AVIATION  
 
ISSUED 632 AM CDT FRI OCT 23 2026  
 
VSBYS OF 1/2-1/4SM FG AND CIGS OF 200 FT WILL CONTINUE OVER ERN  
WI THROUGH 14-15Z WITH VFR CONDITIONS TOWARD 17-18Z TODAY. A  
LITTLE FOG OR BR COULD LINGER RIGHT AT THE LAKE INTO THE  
AFTERNOON AND TOWARD SHEBOYGAN. MAINLY VFR CONDITIONS TNT BUT  
AREAS OF MVFR BR COULD OCCUR NEAR THE LAKE AND TOWARD SHEBOYGAN.  
 
GEHRING  
 
 
   
MARINE  
 
ISSUED 1151 PM CDT THU OCT 22 2026  
 
HIGH PRESSURE AROUND 30.5 INCHES OVER THE EASTERN GREAT LAKES  
WILL LARGELY REMAIN IN PLACE FRIDAY THROUGH THE WEEKEND. LIGHT  
WINDS WILL CONTINUE TONIGHT, INCREASING A BIT OUT OF THE SOUTH  
ON FRIDAY ON THE WESTERN EDGE OF THE HIGH. SOUTH TO SOUTHWEST  
WINDS WILL THEN PERSIST THROUGH THE WEEKEND BETWEEN THE HIGH TO  
THE EAST AND A COLD FRONT TO THE NORTHWEST. WINDS WILL SHIFT TO  
THE NORTH AND NORTHEAST BEHIND THE COLD FRONT LATER SUNDAY INTO  
MONDAY.  
 
FOG WILL LIKELY CONTINUE ACROSS A LARGE PORTION OF THE NORTHERN  
2/3 OF LAKE MICHIGAN TONIGHT INTO FRIDAY MORNING. A DENSE FOG  
ADVISORY IS IN EFFECT UNTIL 10 AM CDT. WOULDN'T BE SURPRISED TO  
SEE THE FOG HANG ON INTO EARLY AFTERNOON ACROSS SOME PORTIONS OF  
THE LAKE.  
 
DDV  
 
 
   
MKX WATCHES/WARNINGS/ADVISORIES  
 
WI...DENSE FOG ADVISORY...WIZ051-WIZ052-WIZ059-WIZ060-WIZ065-WIZ066-  
WIZ070-WIZ071-WIZ072 UNTIL 10 AM FRIDAY.  
 
LM...DENSE FOG ADVISORY...LMZ261-LMZ362-LMZ364-LMZ366-LMZ563-LMZ565-  
LMZ567-LMZ643-LMZ644-LMZ645-LMZ646-LMZ669-LMZ671-LMZ673-  
LMZ675-LMZ777-LMZ868-LMZ870-LMZ872-LMZ874-LMZ876-LMZ878  
UNTIL 10 AM FRIDAY.  
 
 
 
 
 
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