890
FXUS63 KGRB 281744
AFDGRB
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREEN BAY WI
1244 PM CDT TUE APR 28 2026
UPDATED AVIATION PORTION FOR 18Z TAF ISSUANCE
KEY MESSAGES
- A CHANCE (30-50%) OF SHOWERS WEDNESDAY AND THURSDAY. RAINFALL
AMOUNTS GENERALLY UNDER 0.25 INCH BEFORE THE WEEKEND.
- MINOR FLOODING PERSISTS ON THE WOLF RIVER AND ON THE WINNEBAGO
SYSTEM. HOWEVER, LITTLE ADDITIONAL RAIN WILL ALLOW FLOODING
CONCERNS TO GRADUALLY SUBSIDE LATE THIS WEEK INTO NEXT WEEKEND.
- TEMPERATURES TRENDING BELOW NORMAL WEDNESDAY INTO THE WEEKEND.
DISCUSSION
ISSUED AT 1248 AM CDT TUE APR 28 2026
NEAR TERM THROUGH THIS AFTERNOON...COLD FRONT SLIDES THROUGH
EARLY THIS MORNING. ANY THUNDER HAS ALREADY EXITED, BUT COULD
STILL SEE A FEW LINGERING LIGHT SHOWERS BEFORE DAYBREAK ACROSS
CENTRAL AND NORTH-CENTRAL WI. MOSTLY CLOUDY SKIES THIS MORNING,
BUT EXPECT POCKETS OF CLEARING TO DEVELOP THIS AFTERNOON. DON'T
THINK IT TURNS COMPLETELY SUNNY THOUGH. BREEZY BEHIND THE FRONT,
WITH NORTHWEST WINDS GUSTING TO 25-35 MPH, PEAKING DURING THE
MORNING. TEMPERATURES TODAY WILL BE AROUND NORMAL WITH MID 50S
NORTH, TO THE LOWER 60S EASTERN WI. THIS WILL BE THE WARMEST DAY
THE REST OF THE WEEK.
MAINLY DRY REST OF THE WEEK INTO THE WEEKEND...OTHER THAN A SMALL
CHANCE OF SHOWERS WEDNESDAY AFTERNOON ON TAIL END OF NORTHERN STREAM
SHORTWAVE, AND ON THURSDAY AS ANOTHER WEAK WAVE TRAVERSES THE REGION,
HIGH PRESSURE WILL RESULT IN DRY WEATHER INTO THE WEEKEND. TOTAL
RAINFALL FROM BOTH CHANCES FOR RAIN WILL BE WELL UNDER 0.25 INCH.
NO THUNDER IS EXPECTED.
TEMPERATURES TRENDING COOLER THAN NORMAL...FROM WEDNESDAY THROUGH
SATURDAY, EXPECT BELOW NORMAL TEMPERATURES. COOLEST DAYS THROUGH
FRIDAY, WITH HIGHS IN THE MID 40S NORTH TO LOWER 50S ELSEWHERE.
NIGHTTIME LOWS WILL BE ON THE COOL SIDE AS WELL, ESPECIALLY WHEN
HIGH PRESSURE IS OVERHEAD LATE THIS WEEK. STAY TUNED AS WE MAY
BEGIN FROST/FREEZE HEADLINES LATER THIS WEEK INTO THE WEEKEND. IF
THAT IS THE CASE, SOME HEADLINES MAY BE NEEDED.
AVIATION
FOR 18Z TAF ISSUANCE
ISSUED AT 1238 PM CDT TUE APR 28 2026
CLOUDS WILL CONTINUE TO SCATTER OUT FROM SOUTHWEST TO
NORTHEAST THIS AFTERNOON, WITH MVFR CONDITIONS IMPROVING TO
VFR. HIGH/MID CLOUDS INCREASE THIS EVENING, WITH A FEW LIGHT
SHOWERS OR SPRINKLES ACCOMPANYING A SHORT-WAVE TROUGH LATE
TONIGHT INTO EARLY WEDNESDAY. A STRONG SHORT-WAVE BRINGS
SCATTERED SHOWERS DURING THE AFTERNOON, WITH CEILINGS GENERALLY IN
THE 3500-4500 FT AGL RANGE.
GUSTY WEST WINDS GRADUALLY SUBSIDE THROUGH SUNSET, WITH LIGHT
NW-NE WINDS THROUGH THE REST OF THE TAF PERIOD.
HYDROLOGY
ISSUED AT 1248 AM CDT TUE APR 28 2026
MINOR FLOODING PERSISTS ON THE WOLF RIVER AT SHIOCTON AND NEW
LONDON, IN ADDITION TO THE WINNEBAGO SYSTEM. HOWEVER, WITH LESS
RAINFALL THAN FORECAST LATE LAST WEEK AND AGAIN MONDAY INTO MONDAY
NIGHT, EVEN THESE FLOODING CONCERNS WILL GRADUALLY LESSEN INTO
THE WEEKEND. THOSE LIVING NEAR RIVERS OR STREAMS SHOULD CONTINUE
TO MONITOR THE LATEST FLOOD WARNINGS AND STATEMENTS FROM THE NATIONAL
WEATHER SERVICE IN GREEN BAY.
GRB WATCHES/WARNINGS/ADVISORIES
NONE.
DISCUSSION.....JLA
AVIATION.......KIECKBUSCH
HYDROLOGY......JLA
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