036  
FXUS63 KGRB 291041  
AFDGRB  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE GREEN BAY WI  
541 AM CDT FRI MAY 29 2026  
 
UPDATED AVIATION PORTION FOR 12Z TAF ISSUANCE  
   
KEY MESSAGES
 
 
- MAINLY DRY WEATHER WITH ABOVE NORMAL TEMPERATURES AND LOW  
RELATIVE HUMIDITY FOR THE NEXT WEEK, WITH HIGHS MAINLY IN THE  
MIDDLE 70S TO MIDDLE 80S.  
 

 
   
DISCUSSION
 
 
ISSUED AT 104 AM CDT FRI MAY 29 2026  
 
PERSISTENCE FORECAST CONTINUES FOR THE BETTER PART OF THE NEXT  
WEEK AS AN OMEGA BLOCKING PATTERN SETS UP OVER THE CONUS. THE ONLY  
CHANCES FOR RAIN, THOUGH MINIMAL, LOOK TO BE SUNDAY NIGHT INTO  
MONDAY AS A BACKDOOR COLD FRONT DROPS SOUTHEAST THROUGH THE  
STATE. HOWEVER, ANY SPRINKLES OF RAIN WILL HAVE TO CONTEND WITH  
ABUNDANT DRY AIR ENTRAINMENT FROM A HUDSON BAY HIGH SITTING AND  
SPINNING TO THE NORTH.  
 
TEMPERATURES...HIGH TEMPERATURES PEAK IN THE MID TO UPPER 80S  
THIS AFTERNOON AS A WARMING RIDGE BUILDS OVER THE MIDWEST,  
STEADYING OUT IN THE MID 70S TO MID 80S THROUGH THE MIDDLE OF NEXT  
WEEK. READINGS WILL LIKELY BE AROUND 10 DEGREES COOLER ALONG THE  
SHORELINE EACH DAY AS A LAKE BREEZE KICKS IN DURING THE AFTERNOON.  
A ROGUE 90 DEGREE READING OR TWO WOULD NOT BE OUT OF THE QUESTION  
THIS AFTERNOON, WITH PROBABILISTIC GUIDANCE SHOWING A 20 TO 40%  
SIGNAL FOR EXCEEDING 90 DEGREES OVER FAR NORTHEAST WISCONSIN.  
HOWEVER, AN EARLIER SHIFT TO EASTERLY WINDS MAY MITIGATE  
TEMPERATURES.  
 
THE NEXT BEST CHANCE FOR HITTING 90 ISN'T UNTIL WEDNESDAY OF NEXT  
WEEK, WITH A 10-30% CHANCE WEST AND NORTH OF THE FOX VALLEY AS  
THE HIGH SHIFTS A BIT TO THE EAST. THURSDAY LOOKS TO BE EVEN  
WARMER, WITH A 20-40% CHANCE OF HITTING 90 FROM THE FOX VALLEY  
WEST ACROSS CENTRAL WISCONSIN AS A MORE HUMID AIRMASS WORKS ITS  
WAY IN FROM THE SOUTH. THE HIGH SHIFTING TO THE EAST WILL ALSO  
MEAN THE NEXT BEST SHOT OF RAIN ON THURSDAY AT 10-30%.  
 
FIRE WEATHER...ELEVATED FIRE WEATHER CONDITIONS WILL REMAIN  
POSSIBLE THROUGH EARLY NEXT WEEK AS A PROLONGED DRY STRETCH  
ALLOWS AFTERNOON RHS TO FALL INTO THE 20 TO 30% RANGE. THIS BEING  
SAID, GREEN UP CONTINUES TO SPREAD ACROSS THE NORTHWOODS, WITH  
PINE FUELS BECOMING LESS VOLATILE AS A RESULT. WINDS WILL ALSO BE  
LIGHT DURING THIS TIME, WHICH SHOULD REDUCE ANY SIGNIFICANT  
IMPACTS.  
 

 
   
AVIATION
 
FOR 12Z TAF ISSUANCE  
ISSUED AT 541 AM CDT FRI MAY 29 2026  
 
VFR CONDITIONS ARE EXPECTED THROUGH THE TAF PERIOD AS HIGH CLOUDS  
STREAM IN AT TIMES. LIGHT AND VARIABLE WINDS WILL BECOME  
WEST/SOUTHWEST 5 TO 10 KNOTS THIS MORNING AND AFTERNOON. WINDS ARE  
EXPECTED TO BACK TO THE SOUTHEAST AROUND 10 KNOTS THIS AFTERNOON  
ALONG THE LAKE MICHIGAN SHORELINE AS LAKE BREEZE MOVES ONSHORE.  
 

 
   
GRB WATCHES/WARNINGS/ADVISORIES
 
 
NONE.  
 

 
 

 
 
DISCUSSION.....KURIMSKI  
AVIATION.......KURIMSKI  
 
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