289  
FXUS63 KARX 131040  
AFDARX  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE LA CROSSE WI  
540 AM CDT FRI JUN 13 2025  
   
KEY MESSAGES  
 
- PERIODIC SHOWERS AND STORM WILL REMAIN IN THE FORECAST FROM  
TODAY INTO THURSDAY. AT THIS TIME, THE SEVERE WEATHER THREAT  
LOOKS TO BE LOW DUE TO WEAK 0-3 AND 0-6 KM SHEAR AND SKINNY  
CAPES ALOFT.  
 
 
   
DISCUSSION  
 
ISSUED AT 302 AM CDT FRI JUN 13 2025  
 
TODAY AND TONIGHT  
 
DRY EASTERLY WINDS HAVE LOWERED DEW POINTS INTO THE MID- AND  
UPPER 40S ACROSS CENTRAL, WEST-CENTRAL AND SOUTHWEST WISCONSIN  
EARLY THIS MORNING. THIS DRIER AIR WILL CONTINUE TO SPREAD WEST  
INTO SOUTHEAST MINNESOTA AND NORTHEAST IOWA THIS MORNING. AS A  
RESULT, SHOWERS AND STORMS WILL REMAIN PRIMARILY NORTH OF  
INTERSTATE 90 AND CLOSER TO INTERSTATE 35 THIS MORNING. THIS IS  
DUE TO HIGHER DEW POINTS IN THESE AREAS.  
 
AS A SHORTWAVE MOVES EAST INTO WESTERN WISCONSIN THIS AFTERNOON,  
THE DEW POINTS SOUTH OF INTERSTATE 94 WILL CLIMB INTO THE LOWER  
AND MID 60S. IN ADDITION TO THIS SHORTWAVE, THERE WILL BE  
ANOTHER SHORTWAVE TROUGH MOVE NORTHEAST THROUGH THE MID  
MISSISSIPPI RIVER INTO THE OHIO AND TENNESSEE RIVER VALLEYS.  
THESE WILL RESULT IN SCATTERED SHOWERS AND STORMS THIS AFTERNOON  
AND EVENING. SOUNDINGS CONTINUE TO SHOW WEAK SHEAR AND SKINNY  
CAPES, SO THE SEVERE WEATHER THREAT CONTINUES LOOKS TO BE LOW  
THIS AFTERNOON AND EVENING.  
 
SATURDAY AFTERNOON AND EVENING  
 
WHILE THE 500 MB RIDGE BUILDS NORTHEAST INTO THE REGION, THERE  
WILL BE LIMITED CAPPING AHEAD OF YET ANOTHER SHORTWAVE TROUGH.  
THIS WILL RESULT IN ANOTHER ROUND OF SCATTERED SHOWERS AND  
STORMS. SOUNDINGS CONTINUE TO SHOW WEAK SHEAR AND SKINNY CAPES,  
SO THE SEVERE WEATHER THREAT LOOKS TO BE A LOW THREAT.  
 
SUNDAY THROUGH TUESDAY  
 
THERE WILL BE PERIODIC SHORTWAVE TROUGHS MOVING ALONG THE NORTH  
AND NORTHEAST PERIPHERY OF A LONGWAVE RIDGE. THIS WILL BRING  
PERIODIC SHOWERS AND STORMS TO THE REGION. IT CURRENTLY LOOKS  
LIKE THE 0-3 AND 0-6 KM SHEAR WILL BE ON THE WEAK SIDE.  
HOWEVER, IF THERE HAPPENS TO BE A STRONGER MID-LEVEL JET ALOFT,  
THIS COULD POTENTIALLY RESULT IN THE POTENTIAL FOR SOME SEVERE  
WEATHER.  
 
WEDNESDAY THROUGH THURSDAY  
 
THIS LOOKS TO BE A BETTER CHANCE OF SHOWERS AND STORMS AS A  
LONGWAVE TROUGH MOVES THROUGH THE REGION. SEVERE WEATHER CHANCES  
REMAIN UNCERTAIN DO TO QUESTIONS ON INSTABILITY.  
 
 
   
AVIATION /12Z TAFS THROUGH 12Z SATURDAY/  
 
ISSUED AT 540 AM CDT FRI JUN 13 2025  
 
A DECAYING BAND OF SHOWERS AND EMBEDDED STORMS WILL CONTINUE TO  
WEAKEN ACROSS SOUTHEAST MN THIS MORNING AS MVFR CIGS ENVELOPE MUCH  
OF THE AREA. PROBABILITIES IN THE 13.06Z HREF ARE HIGH (50-80%) FOR  
MVFR REDUCTIONS THROUGH 17-19Z BEFORE RAPIDLY IMPROVING TO LOW-VFR  
FOR THE AFTERNOON AND EVENING HOURS. CANNOT RULE OUT A STRAY SHOWER  
OR TWO LATER THIS AFTERNOON AND INTO THE EVENING. HOWEVER,  
CONFIDENCE WAS TOO LOW (10-25%) AT EITHER TAF SITE TO INCLUDE A  
PROB30 MENTION FOR -SHRA. WINDS WILL REMAIN FROM THE EAST  
TO SOUTHEAST THROUGHOUT THE TAF PERIOD AT AROUND 5-10 KTS.  
 
 
   
ARX WATCHES/WARNINGS/ADVISORIES  
 
WI...NONE.  
MN...NONE.  
IA...NONE.  
 
 
 
 
 
DISCUSSION...BOYNE  
AVIATION...NAYLOR  
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