443  
FXUS63 KGRB 091800  
AFDGRB  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE GREEN BAY WI  
100 PM CDT SUN AUG 9 2026  
 
FORECAST DISCUSSION FOR ROUTINE MORNING FORECAST ISSUANCE  
   
KEY MESSAGES  
 
- SHOWERS AND STORMS THIS AFTERNOON AND THIS EVENING. SEVERE  
WEATHER IS NOT EXPECTED; HOWEVER, GUSTY WINDS AND HEAVY RAIN  
WILL BE POSSIBLE WITH ANY STORM ACTIVITY.  
 
- ADDITIONAL ROUNDS OF SHOWERS AND STORMS FROM LATE MONDAY NIGHT  
THROUGH THE MIDDLE OF THE WEEK. CONFIDENCE IN STORM TIMING AND  
SEVERITY REMAINS LOW.  
 
- HIGH TEMPERATURES IN THE UPPER 70S TO LOW 80S THROUGH MID- WEEK,  
FOLLOWED BY A COOLING TREND LATE IN THE WEEK.  
 
 
   
DISCUSSION  
 
ISSUED AT 1258 PM CDT SUN AUG 9 2026  
 
SHOWERS AND THUNDERSTORMS ARE POSSIBLE THIS AFTERNOON AND EVENING  
AS A COLD FRONT SWEEPS THROUGH THE REGION. DRY CONDITIONS SHOULD  
THEN FOLLOW OVERNIGHT BEHIND THE FRONT. MONDAY IS LOOKING TO BE  
DRY NOW AS THE FRONT WILL BE SOUTH ENOUGH SO ADDITIONAL SHOWERS  
AND THUNDERSTORMS SHOULD NOT CLIP THE SOUTHERN PORTION OF THE CWA.  
 
THE NEXT NOTEWORTHY CHANCES FOR RAIN/STORMS LOOK TO COME LATE  
MONDAY NIGHT INTO TUESDAY AS THE FRONT LIFTS BACK NORTH AND A  
SHORTWAVE TRACKS THROUGH THE WESTERN GREAT LAKES REGION. RAIN  
CHANCES WILL THEN CONTINUE TUESDAY NIGHT INTO WEDNESDAY AS  
ADDITIONAL SHORTWAVES MOVE THROUGH THE REGION AND THE FRONT  
REMAINS CLOSE ENOUGH TO OUR AREA TO INFLUENCE OUR WEATHER.  
 
HIGH PRESSURE BUILDS IN ACROSS THE AREA WEDNESDAY NIGHT, PUSHING  
THE FRONT SOUTH AND GENERALLY KEEPING THE AREA DRY THROUGH THE  
REST OF THE WORK WEEK. THE HIGH EVENTUALLY SHIFTS EAST, ALLOWING  
FOR THE CHANCE FOR SHOWERS AND THUNDERSTORMS TO RETURN TO THE AREA  
NEXT WEEKEND.  
 
TEMPERATURES WILL GENERALLY BE IN THE UPPER 70S TO LOWER 80S  
THROUGH MID WEEK, DECREASING INTO THE 70S FOR THE BACK PORTION OF  
THE WORK WEEK INTO NEXT WEEKEND.  
 
 
   
AVIATION  
FOR 18Z TAF ISSUANCE  
ISSUED AT 1209 PM CDT SUN AUG 9 2026  
 
AN APPROACHING COLD FRONT WILL BRING A CONTINUED CHANCE FOR  
SHOWERS AND THUNDERSTORMS THIS AFTERNOON, MAINLY SOUTH OF KRHI.  
CONDITIONS WILL GENERALLY BE VFR, DROPPING TO MVFR IN  
PRECIPITATION. CONDITIONS THEN RETURN TO VFR BY THIS EVENING AS  
THE SHOWERS DIMINISH. ABUNDANT LOW LEVEL MOISTURE FROM THE  
PRECIPITATION TODAY SHOULD LEAD TO PATCHY MVFR/IFR FOG OVERNIGHT  
INTO EARLY MONDAY MORNING. ANY FOG SHOULD BURN OFF A FEW HOURS  
AFTER SUNRISE MONDAY, WITH VFR CONDITIONS THE REST OF MONDAY.  
OTHERWISE, SOUTHERLY WINDS GRADUALLY VEER TO NORTHERLY INTO  
TONIGHT, GUSTING TO 15 KNOTS THIS AFTERNOON. LIGHT WINDS THEN  
EXPECTED OVERNIGHT INTO MONDAY.  
 
 
   
GRB WATCHES/WARNINGS/ADVISORIES  
 
NONE.  
 
 
 
 
 
DISCUSSION.....KURIMSKI  
AVIATION.......KURIMSKI  
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab WI Page
Main Text Page