538
FXUS63 KGRB 230345
AFDGRB
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREEN BAY WI
1045 PM CDT SUN MAR 22 2026
UPDATED AVIATION PORTION FOR 06Z TAF ISSUANCE
KEY MESSAGES
- SOME RIVERS WILL REMAIN AT BANKFULL OR EVEN REACH MINOR FLOOD
STAGE WITHIN THE NEXT COUPLE DAYS.
- TEMPERATURES WILL MODERATE THE NEXT FEW DAYS, RISING TO ABOVE
NORMAL AGAIN FROM TUESDAY TO THURSDAY.
- A WINTRY MIX OF PRECIPITATION IS POSSIBLE DURING THE MIDDLE OF
OF THE WORK WEEK, ESPECIALLY WEDNESDAY NIGHT INTO THURSDAY.
- PLEASANT WEEKEND EXPECTED, WITH DRY CONDITIONS AND MILD
TEMPERATURES.
DISCUSSION
ISSUED AT 307 PM CDT SUN MAR 22 2026
MOSTLY CLOUDY SKIES AND COOL TEMPERATURES WERE OBSERVED ACROSS THE
REGION THIS AFTERNOON, ALONG WITH NNE WINDS GUSTING TO 20 TO 30
MPH IN THE FOX VALLEY AND LAKESHORE AREAS. LOW CLOUDS HAD
PARTIALLY ERODED OVER CENTRAL, EAST CENTRAL AND NORTHEAST WI, BUT
WERE STILL LOCKED IN OVER THE NORTH CENTRAL PART OF THE STATE.
FAIRLY STRONG SUBSIDENCE IS EXPECTED ACROSS THE FORECAST AREA
LATER THIS EVENING INTO MONDAY MORNING. THIS SHOULD HELP TO BREAK
UP THE LOW CLOUDS, THOUGH THEY MAY BRIEFLY MOVE BACK INTO NORTH
CENTRAL WI OVERNIGHT INTO EARLY MONDAY MORNING. HIGH PRESSURE WILL
BRING WIDESPREAD CLEARING AND SUNSHINE BY MONDAY AFTERNOON,
THOUGH HIGH TEMPERATURES WILL ONLY REACH NORMAL READINGS IN THE
LOWER TO MIDDLE 40S.
HIGH PRESSURE SLIDES EAST MONDAY NIGHT, SETTING THE STAGE FOR A
BRIEF PERIOD OF WAA OVERNIGHT, FOLLOWED BY A WEAK COLD FRONT
SAGGING INTO NORTHERN WI ON TUESDAY BEFORE STALLING OUT. THESE
FEATURES ARE ONLY EXPECTED TO BRING A SMALL CHANCE OF
PRECIPITATION TO FAR NORTHERN WI THROUGH WEDNESDAY. LOW PRESSURE
APPROACHING FROM THE NORTHERN PLAINS AND AN ASSOCIATED COLD FRONT
MAY BRING MORE WIDESPREAD MIXED PRECIPITATION TO THE REGION
WEDNESDAY NIGHT INTO THURSDAY. ONCE THIS SYSTEM PASSES, CANADIAN
HIGH PRESSURE WILL MOVE INTO THE REGION FOR THE WEEKEND, BRINGING
MAINLY DRY CONDITIONS.
AFTER A COOLER START TO THE WEEK, MILDER TEMPERATURES IN THE 40S
AND 50S ARRIVE TUESDAY THROUGH THURSDAY. A BRIEF COOL DOWN
ARRIVES AFTER THE THURSDAY COLD FRONTAL PASSAGE, BUT ABOVE NORMAL
TEMPERATURES RETURN FOR THE WEEKEND.
AVIATION
FOR 06Z TAF ISSUANCE
ISSUED AT 836 PM CDT SUN MAR 22 2026
BKN MVFR STRATUS HAS MADE IT TO THE CENTRAL WISCONSIN TAF SITES
LATE THIS EVENING, THOUGH SHOULD SCATTER OUT OVERNIGHT. ALL
TERMINALS SHOULD THEN REMAIN UNDER VFR FLYING CONDITIONS FOR THE
MAJORITY OF THE TAF PERIOD AS HIGH PRESSURE SETTLES IN OVER THE
GREAT LAKES. A FAIR WEATHER CU FIELD WITH BASES AT AROUND 4 TO 5K
FT MAY DEVELOP OVER THE FORECAST AREA LATER THIS MORNING AND THIS
AFTERNOON. NORTH WINDS GRADUALLY BACK TO SOUTH/SOUTHWESTERLY
MONDAY AFTERNOON, GUSTING BETWEEN 10 AND 15 KNOTS.
HYDROLOGY
ISSUED AT 307 PM CDT SUN MAR 22 2026
SEVERAL RIVERS HAVE RECENTLY RISEN ABOVE BANKFULL, INCLUDING THE
WISCONSIN, SPIRIT, BIG RIB, EAST AND YELLOW RIVERS. FORECASTS
INDICATE THAT THE WOLF RIVER SHOULD REACH BANKFULL ON MONDAY
AFTERNOON. AT THIS POINT, THE GREATEST THREAT OF MINOR FLOODING
APPEARS TO BE ON THE YELLOW RIVER NEAR BABCOCK, AS THE CURRENT
RIVER STAGE IS ALREADY WITHIN A FOOT OF FLOOD STAGE, AND STILL
RISING. ALTHOUGH A FLOOD WARNING OR TWO (FOR MINOR FLOODING) MAY
BECOME NECESSARY, NO SIGNIFICANT FLOODING IS ANTICIPATED AT THIS
TIME.
GRB WATCHES/WARNINGS/ADVISORIES
NONE.
DISCUSSION.....KIECKBUSCH
AVIATION.......GOODIN
HYDROLOGY......KIECKBUSCH
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