255
FXUS63 KMKX 210114
AFDMKX
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
814 PM CDT TUE OCT 20 2026
KEY MESSAGES
- PATCHY DENSE FOG MAY OCCUR IN EASTERN PARTS OF THE AREA LATER
THIS EVENING INTO EARLY WEDNESDAY MORNING, WITH SOME DENSE
FOG INTO TONIGHT/WEDNESDAY MORNING OVER PORTIONS OF THE
NEARSHORE WATERS OF LAKE MICHIGAN.
- DRY WITH A GRADUAL WARMING TREND INTO SATURDAY NIGHT/SUNDAY,
THEN POSSIBLY SOME SHOWERS AND COOLER TEMPERATURES SUNDAY
NIGHT INTO EARLY NEXT WEEK.
UPDATE
ISSUED 810 PM CDT TUE OCT 20 2026
NO CHANGES TO THE GOING FORECAST.
WITH PERFECTLY CLEAR SKIES EVIDENT ON SATELLITE, NEARLY CALM
WINDS, AND A REMNANT LAKE-BREEZE BOUNDARY WASHED ONSHORE,
CONDITIONS ARE PRIMED FOR RADIATIONAL COOLING AND (EVENTUALLY)
FOG DEVELOPMENT LATER THIS EVENING INTO TONIGHT.
SHEPPARD
SHORT TERM
ISSUED 235 PM CDT TUE OCT 20 2026
TONIGHT THROUGH FRIDAY:
HIGH PRESSURE WILL SHIFT FURTHER TO THE EAST NORTHEAST OF THE
REGION TONIGHT, WITH ANOTHER HIGH PRESSURE SYSTEM SHIFTING EAST
INTO AND NORTHEAST OF THE REGION THURSDAY INTO FRIDAY.
THERE IS AN AREA OF PATCHY DENSE FOG OVER THE NEARSHORE WATERS
OF LAKE MICHIGAN FOR AREAS NORTH OF NORTH POINT LIGHTHOUSE,
WHICH MAY CONTINUE TO LINGER THERE INTO TONIGHT. THIS MAY PUSH
BACK ONSHORE TONIGHT INTO EARLY WEDNESDAY MORNING FOR EASTERN
PORTIONS OF THE AREA. KEPT THE FOG MENTION IN THE FORECAST FOR
EASTERN PARTS OF THE AREA FOR THIS PERIOD. WILL HAVE TO WATCH
TRENDS TO SEE IF A DENSE FOG ADVISORY WOULD BE NEEDED AT SOME
POINT.
OTHERWISE, DRY CONDITIONS ARE EXPECTED INTO THE END OF THE
WEEK. TEMPERATURES WILL REMAIN ABOVE SEASONAL NORMAL VALUES AS
WELL, WITH HIGHS INTO THE UPPER 60S TO AROUND 70 DEGREES EACH
DAY WEDNESDAY INTO FRIDAY. ONSHORE WINDS EACH DAY SHOULD BRING
SLIGHTLY COOLER TEMPERATURES TO AREAS NEAR LAKE MICHIGAN. LOWS
EACH NIGHT SHOULD RISE INTO THE MIDDLE TO UPPER 40S BY WEDNESDAY
NIGHT AND THURSDAY NIGHT.
WOOD
LONG TERM
ISSUED 235 PM CDT TUE OCT 20 2026
FRIDAY NIGHT THROUGH TUESDAY:
500 MB CLUSTER ANALYSIS GENERALLY SHOWS AN ANOMALOUS 500 MB
RIDGE AXIS DEVELOPING OVER THE REGION FRIDAY NIGHT INTO SATURDAY
NIGHT, BEFORE BECOMING MORE ZONAL SUNDAY INTO MONDAY. THIS
SHOULD RESULT IN SOUTH WINDS MAINTAINING WARM TEMPERATURES INTO
THE WEEKEND. THERE MAY FINALLY BE A COLD FRONT THAT SHIFTS
SLOWLY SOUTHEAST ACROSS THE REGION SUNDAY INTO SUNDAY NIGHT OR
MONDAY. THIS MAY HAVE ENOUGH MOISTURE AND UPWARD VERTICAL MOTION
WITH IT TO BRING 20 TO 30 PERCENT CHANCES FOR SHOWERS.
COLD AIR ADVECTION BEHIND THE FRONT WITH NORTH TO NORTHEAST
WINDS MAY BRING COOLER AND MORE SEASONABLE TEMPERATURES FOR
EARLY NEXT WEEK. THIS IS SUPPORTED BY ENSEMBLE MEMBER TRENDS.
WOOD
AVIATION
ISSUED 800 PM CDT TUE OCT 20 2026
HIGH PRESSURE WILL SHIFT FURTHER TO THE EAST NORTHEAST OF THE
REGION TONIGHT, WITH ANOTHER HIGH PRESSURE SYSTEM SHIFTING EAST
INTO AND NORTHEAST OF THE REGION THURSDAY INTO FRIDAY. THESE
SHOULD BRING DRY CONDITIONS TO THE AREA, WITH LIGHT SOUTHEAST
WINDS BECOMING LIGHT TONIGHT AND SOUTHWEST ON WEDNESDAY. WINDS
SHOULD TURN SOUTHEAST FOR TERMINALS NEAR LAKE MICHIGAN WEDNESDAY
AFTERNOON.
THERE IS AN AREA OF PATCHY DENSE FOG OVER THE NEARSHORE WATERS
OF LAKE MICHIGAN, WHICH MAY CONTINUE TO LINGER THERE INTO
TONIGHT. THIS MAY PUSH BACK ONSHORE TONIGHT INTO EARLY WEDNESDAY
MORNING FOR EASTERN PORTIONS OF THE AREA. HAVE A GENERAL 1 TO 4
MILE FOG MENTION LATER THIS EVENING/OVERNIGHT INTO EARLY
WEDNESDAY MORNING FOR TERMINALS CLOSER TO LAKE MICHIGAN FOR THIS
PERIOD. PATCHY DENSE FOG IS POSSIBLE DURING THIS TIME. THERE
MAY BE SOME LOW CEILINGS AROUND 500 FEET AGL AS WELL. VFR
CONDITIONS SHOULD RETURN BY MIDDLE TO LATE MORNING ON WEDNESDAY.
WOOD
MARINE
ISSUED 235 PM CDT TUE OCT 20 2026
A DENSE FOG ADVISORY IS IN EFFECT INTO LATE THIS EVENING FOR
THE NEARSHORE WATERS NORTH OF NORTH POINT LIGHTHOUSE. AN AREA OF
DENSE FOG SHOULD LINGER INTO AT LEAST THIS EVENING OVER THIS
AREA, AND MAY LINGER OVERNIGHT INTO WEDNESDAY MORNING.
HIGH PRESSURE AROUND 30.5 INCHES OVER SOUTHERN QUEBEC WILL
SLOWLY DRIFT EAST THROUGH WEDNESDAY. ANOTHER HIGH PRESSURE
SYSTEM AROUND 30.4 INCHES WILL MOVE IN FROM THE NORTHERN PLAINS
LATER IN THE WEEK. WINDS WILL REMAIN LIGHT TO MODEST THROUGH THE
WEEK.
INCREASING SOUTHEAST WINDS FRIDAY INTO FRIDAY NIGHT MAY BECOME
BREEZY SOUTH WINDS ON SATURDAY INTO SATURDAY NIGHT, AS LOW
PRESSURE MOVES FROM THE NORTHERN PLAINS INTO HUDSON BAY. A COLD
FRONT SHOULD MOVE SOUTHEAST THROUGH THE REGION SUNDAY INTO
MONDAY, SHIFTING WINDS TO THE NORTH AND NORTHEAST BEHIND IT.
WOOD
MKX WATCHES/WARNINGS/ADVISORIES
WI...NONE.
LM...NONE.
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