898  
FXUS63 KMKX 270605  
AFDMKX  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI  
105 AM CDT WED MAY 27 2026  
   
KEY MESSAGES  
 
- AN ISOLATED STORM OR TWO (AROUND A 20 PERCENT CHANCE) IS  
POSSIBLE ACROSS FAR NORTHERN AND NORTHWESTERN PARTS OF THE  
AREA OVERNIGHT.  
 
- A BACKDOOR COLD FRONT WEDNESDAY WILL BRING GUSTY NORTHEAST  
WINDS BEHIND IT NEAR THE LAKE AND COOLER TEMPERATURES. THIS  
FRONT WILL ALSO BRING CHANCES FOR SHOWERS AND STORMS (AROUND  
20 TO 40 PERCENT) WEDNESDAY AFTERNOON, WITH THE BETTER CHANCES  
IN NORTHERN PORTIONS OF THE AREA. GUSTY WINDS ARE POSSIBLE  
WITH STRONGER STORMS.  
 
- DRY FOR LATER THIS WEEK INTO THE WEEKEND, WITH ABOVE NORMAL  
TEMPERATURES DEVELOPING.  
 
 
   
SHORT TERM  
 
ISSUED 105 AM CDT WED MAY 27 2026  
 
TODAY THROUGH THURSDAY NIGHT:  
 
AN OUTFLOW BOUNDARY WITH MODEST NORTH WINDS BEHIND IT CONTINUES  
TO PUSH SOUTH ACROSS SOUTHERN PORTIONS OF THE AREA, AND SHOULD  
EXIT TO THE SOUTH OVER THE NEXT FEW HOURS. A FEW WEAKENING  
SHOWERS OR STORMS MAY STILL CLIP FAR NORTHERN OR NORTHWESTERN  
PARTS OF THE AREA OVERNIGHT. OTHERWISE, SOME MIDDLE TO HIGH  
CLOUDS SHOULD CONTINUE TO MOVE THROUGH THE AREA INTO WEDNESDAY  
MORNING.  
 
IN ADDITION, THE BACKDOOR COLD FRONT WILL MOVE SOUTHWARD ACROSS  
LAKE MICHIGAN OVERNIGHT INTO THIS MORNING, PUSHING SOUTHWEST  
ACROSS THE AREA LATER IN THE DAY. THERE IS SOME QUESTION IF THIS  
WILL PUSH INTO AND THROUGH THE AREA EARLIER IN THE DAY, WITH  
GUSTY NORTHEAST WINDS BEHIND IT BRINGING IN MUCH COOLER  
TEMPERATURES CLOSER TO THE LAKE. THERE IS SOME UNCERTAINTY WITH  
HIGH TEMPERATURES ON WEDNESDAY, ESPECIALLY IN NORTHERN AND  
EASTERN PARTS OF THE AREA, IF THE FRONT MOVES IN SOONER. FOR  
NOW, KEPT MIDDLE 80S WELL INLAND BUT HAVE 60S ALONG THE  
SHORELINE AND 70S IN BETWEEN.  
 
THE FRONT WILL ALSO SERVE AS A POTENTIAL FOCAL POINT FOR  
ISOLATED TO PERHAPS SCATTERED SHOWERS AND STORMS BY LATE  
AFTERNOON ON WEDNESDAY, MAINLY OVER NORTHERN PORTIONS OF THE  
AREA, WHERE THE MAIN UPWARD VERTICAL MOTION WITH THE BACKDOOR  
COLD FRONT APPROACHES. MEAN LAYER CAPE AROUND 500 TO 800 J/KG  
WITH WEAK CAPPING AND DEEP LAYER BULK SHEAR AROUND 20 KNOTS OR  
SO MAY BRING GUSTY WINDS AND BRIEF HEAVY RAINFALL WITH ANY  
STRONGER STORMS. SOME CAMS ARE SHOWING SOME ACTIVITY MOVING  
SOUTHWARD INTO THE AREA BY EARLY EVENING, WITH OTHERS KEEPING  
THIS JUST TO THE WEST OF THE AREA. SO, STILL SOME UNCERTAINTY  
WITH WHERE SHOWERS AND STORMS MAY OCCUR. KEPT POPS IN THE 20 TO  
30 PERCENT RANGE FOR THE MOST PART IN NORTHERN PARTS OF THE AREA  
LATER THIS AFTERNOON INTO EARLY EVENING.  
 
A BEACH HAZARDS STATEMENT FOR A HIGH SWIM RISK IS IN EFFECT  
FROM WEDNESDAY EVENING INTO EARLY THURSDAY AFTERNOON FOR THE  
LAKE MICHIGAN BEACHES FOR SHEBOYGAN, OZAUKEE, MILWAUKEE, RACINE  
AND KENOSHA COUNTIES. INCREASING NORTH TO NORTHEAST WINDS WILL  
BRING BUILDING WAVES OF 3 TO 6 FEET DURING THIS PERIOD. LIFE  
THREATENING WAVES AND CURRENTS ARE EXPECTED. STAY OUT OF THE  
WATER, AND AWAY FROM DANGEROUS AREAS LIKE PIERS AND BREAKWALLS.  
 
HIGH PRESSURE WILL PUSH SOUTHWARD INTO THE REGION LATER TONIGHT  
INTO THURSDAY NIGHT. BRISK NORTHEAST WINDS TONIGHT SHOULD BRING  
COOLER TEMPERATURES INTO THE AREA FOR LATER TONIGHT INTO  
THURSDAY, COOLEST NEAR LAKE MICHIGAN. LOWS TONIGHT SHOULD DROP  
TO THE LOWER TO MIDDLE 50S. HIGHS THURSDAY SHOULD BE IN THE 60S  
NEAR THE LAKE WITH MIDDLE TO UPPER 70S WELL INLAND. THURSDAY  
NIGHT SHOULD BE THE COOLEST NIGHT, WITH LOWS IN THE UPPER 40S TO  
AROUND 50 DEGREES.  
 
WOOD  
 
 
   
LONG TERM  
 
ISSUED 105 AM CDT WED MAY 27 2026  
 
FRIDAY THROUGH TUESDAY:  
 
SYNOPSIS: UPPER LEVEL RIDGING WILL GRADUALLY PIVOT/REALIGN FROM  
AN UPPER MISSISSIPPI VALLEY - CANADIAN PRAIRIES TO AN UPPER  
MISSISSIPPI VALLEY - HUDSON BAY AXIS THIS WEEKEND INTO EARLY  
NEXT WEEK, WITH LARGE SCALE SUBSIDENCE SUPPORTING MOSTLY DRY  
CONDITIONS AND ABOVE NORMAL TEMPERATURES ACROSS SOUTHERN  
WISCONSIN. CURRENTLY EXPECTING THE WARMEST DAY OF THE PERIOD TO  
BE FRIDAY, WHEN WEST SOUTHWEST WINDS WILL BE ADVECTING A VERY  
MILD AIR MASS FROM THE GREAT PLAINS INTO THE REGION.  
 
TEMPERATURES WILL TREND MODESTLY COOLER SATURDAY THROUGH  
TUESDAY, AS LOW LEVEL WINDS SHIFT OUT OF THE EAST NORTHEAST,  
BRINGING A MODESTLY COOLER UPSTREAM AIR MASS INTO THE AREA.  
DESPITE THE MODEST COOL DOWN, TEMPERATURES ARE STILL EXPECTED TO  
REMAIN ABOVE NORMAL FROM THE WEEKEND INTO EARLY NEXT WEEK.  
 
SATURDAY THROUGH SUNDAY: FORECAST REMAINS DRY THROUGH THIS  
PORTION OF THE PERIOD, BUT WILL NEED TO BE MONITORING FOR  
POSSIBLE BACKDOOR COLD FRONTAL PASSAGES, GIVEN THE CHANGE IN  
LARGER SCALE WIND PATTERN TO EAST NORTHEASTERLY/OFF OF LAKE  
MICHIGAN. LIFT ALONG ANY SUCH BOUNDARIES WILL BE FIGHTING AN  
UPHILL BATTLE AGAINST LARGER SCALE SUBSIDENCE BENEATH THE UPPER  
RIDGING, THOUGH SOME GLOBAL ENSEMBLE MEMBERS ARE HINTING AT  
LIGHT QPF DURING EACH AFTERNOON PERIOD. WILL THUS BE WATCHING  
TRENDS OVER COMING FORECASTS AND MAKING POP ADJUSTMENTS IF  
NECESSARY.  
 
QUIGLEY  
 
 
   
AVIATION  
 
ISSUED 105 AM CDT WED MAY 27 2026  
 
AN OUTFLOW BOUNDARY WITH MODEST NORTH WINDS BEHIND IT CONTINUES  
TO PUSH SOUTH ACROSS SOUTHERN PORTIONS OF THE AREA, AND SHOULD  
EXIT TO THE SOUTH OVER THE NEXT FEW HOURS. THESE WINDS SHOULD  
LINGER FOR A FEW HOURS BEFORE BECOMING LIGHT AND VARIABLE. A  
FEW WEAKENING SHOWERS OR STORMS MAY STILL CLIP FAR NORTHERN OR  
NORTHWESTERN PARTS OF THE AREA OVERNIGHT. OTHERWISE, SOME MIDDLE  
TO HIGH CLOUDS SHOULD CONTINUE TO MOVE THROUGH THE AREA INTO  
WEDNESDAY MORNING.  
 
IN ADDITION, THE BACKDOOR COLD FRONT WILL MOVE SOUTHWARD ACROSS  
LAKE MICHIGAN OVERNIGHT INTO THIS MORNING INCLUDING THE  
TERMINALS NEAR THE LAKE, PUSHING SOUTHWEST ACROSS THE AREA  
LATER IN THE DAY. THERE IS SOME QUESTION IF THIS WILL PUSH INTO  
AND THROUGH THE AREA EARLIER IN THE DAY, WITH GUSTY NORTHEAST  
WINDS BEHIND IT. THESE WINDS SHOULD LINGER FOR TERMINALS NEAR  
THE LAKE THIS AFTERNOON, TONIGHT INTO THURSDAY MORNING. THEY  
WILL BE NORTHEAST AND GUSTY AT TIMES INLAND AS WELL.  
 
THE FRONT WILL ALSO SERVE AS A POTENTIAL FOCAL POINT FOR  
ISOLATED TO PERHAPS SCATTERED SHOWERS AND STORMS BY LATE  
AFTERNOON ON WEDNESDAY, MAINLY OVER NORTHERN PORTIONS OF THE  
AREA. GUSTY WINDS AND BRIEF HEAVY RAINFALL MAY OCCUR WITH ANY  
STRONGER STORMS. THERE IS STILL SOME UNCERTAINTY WITH WHERE  
SHOWERS AND STORMS MAY OCCUR. OTHERWISE, MORE MIDDLE LEVEL  
CLOUDS WITH SOME DIURNAL CUMULUS CLOUDS SHOULD MOVE THROUGH  
WEDNESDAY AFTERNOON AND EARLY EVENING, BEFORE CLEARING OUT  
WEDNESDAY NIGHT.  
 
WOOD  
 
 
   
MARINE  
 
ISSUED 105 AM CDT WED MAY 27 2026  
 
A BACKDOOR COLD FRONT IS EXPECTED TO PUSH SOUTHWESTWARD  
OVERNIGHT INTO THIS MORNING ACROSS LAKE MICHIGAN, WHICH WILL  
BRING A QUICK NORTH NORTHEAST WIND SHIFT BEHIND IT. GUSTS UP TO  
30 KNOTS ARE POSSIBLE ALONG AND BEHIND THIS FRONT OVER THE OPEN  
WATERS. WINDS WILL REMAIN NORTH NORTHEAST THROUGH THURSDAY,  
GRADUALLY WEAKENING THURSDAY NIGHT AS HIGH PRESSURE AROUND 30.2  
INCHES BUILDS INTO THE GREAT LAKES REGION.  
 
A SMALL CRAFT ADVISORY IS IN EFFECT WEDNESDAY EVENING INTO EARLY  
THURSDAY AFTERNOON FOR GUSTY NORTH NORTHEAST WINDS BEHIND THE  
FRONT AND BUILDING WAVES OF 3 TO 6 FEET.  
 
A BRIEF PERIOD OF WEST TO SOUTHWEST WINDS OVER NORTHERN PARTS  
OF THE LAKE MAY OCCUR FRIDAY, WITH LIGHTER WINDS TO THE SOUTH,  
AS THE HIGH MOVE SLOWLY SOUTHEAST OF THE AREA. AN ADDITIONAL  
BACKDOOR COLD FRONT LATER FRIDAY NIGHT INTO SATURDAY MORNING  
WILL ALLOW FOR BRISK NORTH TO NORTHEAST WINDS ONCE AGAIN THROUGH  
SATURDAY. WINDS SHOULD THEN WEAKEN AND REMAIN FAIRLY LIGHT  
THROUGH EARLY NEXT WEEK, UNDER HIGH PRESSURE AROUND 30.1 INCHES.  
 
WOOD  
 
 
   
MKX WATCHES/WARNINGS/ADVISORIES  
 
WI...BEACH HAZARDS STATEMENT...WIZ052-WIZ060-WIZ066-WIZ071-  
WIZ072...7 PM WEDNESDAY TO 1 PM THURSDAY.  
 
LM...SMALL CRAFT ADVISORY...LMZ643-LMZ644-LMZ645-LMZ646...7 PM  
WEDNESDAY TO 1 PM THURSDAY.  
 
 
 
 
 
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