445  
FXUS63 KGRB 110853  
AFDGRB  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE GREEN BAY WI  
253 AM CST SUN JAN 11 2026  
 
FORECAST DISCUSSION FOR ROUTINE MORNING FORECAST ISSUANCE  
   
KEY MESSAGES  
 
- THERE IS A CHANCE OF LIGHT SNOW ACCUMULATIONS ACROSS NORTHERN  
WISCONSIN TONIGHT.  
 
- LIGHT MIXED PRECIPITATION IS EXPECTED LATE MONDAY NIGHT INTO  
TUESDAY NIGHT, WITH ACCUMULATING LAKE-EFFECT SNOW EXPECTED IN  
NORTH-CENTRAL WISCONSIN LATE TUESDAY NIGHT INTO WEDNESDAY.  
 
- TEMPERATURES WILL REBOUND TO ABOVE NORMAL EARLY NEXT WEEK, THEN  
FALL AGAIN INTO MIDWEEK.  
 
 
   
DISCUSSION  
 
ISSUED AT 253 AM CST SUN JAN 11 2026  
 
THE HEAVIEST SNOW HAS ENDED ACROSS THE REGION WITH ALL HEADLINES  
DROPPED ACROSS THE AREA. SOME LIGHT SNOW OR FLURRIES WILL CONTINUE  
EARLY THIS MORNING AS A MID-LEVEL SHORTWAVE TRACKS THROUGH THE  
WESTERN GREAT LAKES REGION WITH LAKE EFFECT SNOW HANGING ON FOR A  
FEW HOURS MORE ACROSS VILAS COUNTY. ADDITIONAL SNOWFALL AMOUNTS  
EARLY THIS MORNING WILL BE VERY LIGHT, ON THE ORDER OF A FEW  
TENTHS OF AN INCH. CLEARING IS EXPECTED ACROSS ALL BUT NORTH-  
CENTRAL WISCONSIN ONCE THE SNOW SHOWERS END THIS MORNING, BUT  
THIS WILL SHORT-LIVED, AS CLOUDS WILL INCREASE AHEAD OF A CLIPPER  
SYSTEM APPROACHING FROM THE WEST LATER IN THE AFTERNOON.  
 
THIS WEAK CLIPPER SYSTEM WILL BRUSH THROUGH NORTHERN WISCONSIN  
TONIGHT, WHICH COULD BRING LIGHT ACCUMULATIONS AND SLIPPERY ROADS  
ACROSS THIS AREA. SNOWFALL AMOUNTS TONIGHT WILL AGAIN BE LIGHT,  
WITH LESS THAN AN INCH EXPECTED.  
 
A SECOND, STRONGER CLIPPER ARRIVES LATE MONDAY NIGHT, BRINGING  
LIGHT MIXED PRECIPITATION THROUGH TUESDAY NIGHT. ACCUMULATING  
LAKE-EFFECT SNOW IS EXPECTED OVER NORTH-CENTRAL WISCONSIN LATE  
TUESDAY NIGHT INTO WEDNESDAY. SNOWFALL AMOUNTS FROM THIS SYSTEM  
AGAIN LOOK TO BE ON THE LIGHTER SIDE, WITH AT MOST A COUPLE OF  
INCHES ACROSS THE LAKE-EFFECT REGION OF VILAS COUNTY  
 
ADDITIONAL CHANCES FOR LIGHT SNOW ARRIVE THURSDAY INTO FRIDAY  
NIGHT, AND LAST INTO THE WEEKEND; HOWEVER, NO BIG STORMS ARE  
ANTICIPATED AND DETAILS REMAIN UNCERTAIN THIS FAR OUT.  
 
TEMPERATURES WILL WARM TO ABOVE NORMAL EARLY NEXT WEEK. A DECENT  
SURGE OF COLDER AIR AND GUSTY NORTH WINDS FOLLOWS THE MIDWEEK  
CLIPPER SYSTEM, LEADING TO COOLER TEMPERATURES FOR THE LATTER HALF  
OF THE WORK WEEK AND INTO NEXT WEEKEND.  
 
 
   
AVIATION  
FOR 06Z TAF ISSUANCE  
ISSUED AT 939 PM CST SAT JAN 10 2026  
 
A BAND OF MODERATE SNOW WILL DROP SOUTH ACROSS EASTERN WI LATE  
THIS EVENING INTO EARLY OVERNIGHT. THIS BAND OF SNOW WILL BE  
WEAKENING BUT COULD STILL DROP VISIBILITIES TO IFR BRIEFLY AT  
GRB/MTW IN THE 04-07Z TIMEFRAME. LIGHT SNOW WILL STILL IMPACT THE  
OTHER TERMINALS WITH MVFR CEILINGS AND VISIBILITIES  
PREDOMINATELY. FLURRIES WILL LIKELY LINGER AFTER THE BAND OF SNOW  
EXITS UNTIL LATE TONIGHT.  
 
LOW- LEVEL WIND SHEAR REMAINS A CONCERN OVERNIGHT AS A 35-40 KTS  
DEVELOPS AROUND 2,000 FT AGL.  
 
DRIER AIR ARRIVING FROM THE NORTHWEST WILL LEAD TO CLEARING AND A  
RETURN TO VFR FOR MOST SITES BY 14Z-17Z SUNDAY. MVFR CEILINGS  
WILL LIKELY PERSIST LONGEST AT KRHI DUE TO LAKE-EFFECT CLOUDS.  
WEST TO NORTHWEST WINDS WILL REMAIN GUSTY THROUGH MUCH OF THE TAF  
PERIOD WITH GUSTS PEAKING 20 TO 25 KTS.  
 
LIGHT SNOW MAY REDEVELOP (30-40% CHANCE) OVER FAR NORTHERN WI  
(RHI) ON SUNDAY EVENING ALONG WITH LOW LEVEL WIND SHEAR.  
 
 
   
GRB WATCHES/WARNINGS/ADVISORIES  
 
NONE.  
 
 
 
 
 
DISCUSSION.....KURIMSKI  
AVIATION.......MPC  
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab WI Page
Main Text Page