580
FXUS63 KGRB 022357
AFDGRB
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREEN BAY WI
557 PM CST MON FEB 2 2026
UPDATED AVIATION PORTION FOR 00Z TAF ISSUANCE
KEY MESSAGES
- THE NEXT CHANCE FOR WIDESPREAD ACCUMULATING SNOW WILL COME
THURSDAY INTO FRIDAY. AREAS NORTH OF HWY 29 HAVE A 20-40% CHANCE
FOR GREATER THAN 1" OF SNOW. GREATEST ACCUMULATIONS ARE EXPECTED
ACROSS NORTH-CENTRAL WI.
- TEMPERATURES IN THE UPPER TEENS TO 20S ARE EXPECTED EACH DAY
THIS WEEK. THERE IS A 60-80% CHANCE FOR HIGHS ABOVE FREEZING
THURSDAY AND FRIDAY SOUTH OF HWY 29.
DISCUSSION
ISSUED AT 211 PM CST MON FEB 2 2026
SHORT-WAVE THAT BROUGHT THIS MORNINGS SNOW HAS SHIFTED OFF TO THE
EAST BRINGING DRY CONDITIONS BACK TO MUCH OF THE REGION. THERE IS
STILL AN AREA OF LIGHT LAKE EFFECT SNOW ACROSS VILAS CO. WHICH WILL
LINGER THROUGH THIS EVENING, HOWEVER, DON'T EXPECT MUCH ADDITIONAL
SNOW ACCUMULATIONS. A WEAK RIDGE IS PROGGED TO MOVE OVER THE REGION
TUESDAY AND WEDNESDAY WHICH WILL KEEP THE FORECAST DRY.
500MB LREF MEAN FLOW FIELDS SHOW A DEEPENING LOW DEVELOPING OVER
NORTHERN CANADA THURSDAY THEN TRACKING OVER HUDSON BAY INTO FRIDAY.
THIS SYSTEM WILL INITIALLY DRAW A SURGE OF WAA NORTH ACROSS WI
THURSDAY WITH A 30-40% CHANCE OF SNOW BEGINNING THURSDAY MORNING. AS
LOW AND MID-LEVEL TEMPERATURES WARM NEAR 0C THERE IS A CHANCE SNOW
MAY TURN TO RAIN FOR A PERIOD, MAINLY ACROSS CENTRAL WI THURSDAY
AFTERNOON/EVENING. THURSDAY NIGHT INTO FRIDAY A COLD FRONT WILL
START TO SWEEP ACROSS THE REGION BRINGING ANOTHER CHANCE FOR SNOW,
MAINLY NORTH OF HWY 29. TREND OVER THE PAST 24 HOURS HAS BEEN TO
TAKE THIS SYSTEM FURTHER NORTH WHICH HAS BEEN REFLECTED IN NBM SNOW
ACCUMULATION PROBS WHICH SNOW SHOW A 20-40% FOR GREATER THAN 1"
NORTH OF HWY 29 WITH THE GREATEST ACCUMULATIONS IN THE NORTHERN WI
SNOW BELTS. ALONG WITH THE SNOW 20-30 MPH GUSTS WILL BE POSSIBLE
FRIDAY BEHIND THE COLD FRONT. A PROLONGED PERIOD OF NORTHWEST FLOW
WILL THEN DEVELOP BEHIND THE FRONT ALLOWING OF PERIODS OF LAKE
EFFECT SNOW TO LINGER THROUGH THE WEEKEND ACROSS NORTHERN WI. ANY
SUBTLE SHORT-WAVES MOVING THROUGH THE NORTHWEST FLOW MAY ALSO BRING
ADDITIONAL ROUNDS OF LIGHT SNOW TO PARTS OF THE REGION THROUGH THE
WEEKEND.
TEMPERATURES REMAIN ON THE MILDER SIDE THROUGH MOST OF THE
PERIOD, WITH HIGHS MAINLY IN THE 20S, AND EVEN SOME LOWER TO MIDDLE
30S IN C/EC WI THURSDAY AND FRIDAY. A BRIEF SHOT OF BELOW NORMAL
TEMPERATURES ARRIVES IN THE WAKE OF THE LATE WEEK CLIPPER SYSTEM,
BUT TEMPERATURES SHOULD REBOUND A BIT BY THE END OF THE WEEKEND.
AVIATION
FOR 00Z TAF ISSUANCE
ISSUED AT 557 PM CST MON FEB 2 2026
HIGH-END MVFR AND VFR CLOUDS WILL REMAIN ACROSS FAR NORTHERN AND
EASTERN WI THIS EVENING, WITH SOME ADDITIONAL MVFR CLOUDS
POSSIBLY FORMING ACROSS CENTRAL WI FOR A TIME LATER TONIGHT. SOME
MID AND HIGH CLOUDS WILL ALSO SPREAD ACROSS THE REGION THIS
EVENING AND AGAIN TUESDAY AFTERNOON/EVENING. WHERE THE LOW CLOUDS
ARE PRESENT, SOME FLURRIES ARE EXPECTED AT TIMES TONIGHT INTO
TUESDAY MORNING, ESPECIALLY CLOSER TO THE MI BORDER, BUT IMPACTS
WILL BE LIMITED TO A FEW 5-7SM VISIBILITIES.
LIGHT WEST/NORTHWEST/NORTH WINDS ARE EXPECTED THROUGH THE TAF
PERIOD.
GRB WATCHES/WARNINGS/ADVISORIES
NONE.
DISCUSSION.....GK
AVIATION.......BERSCH
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