692
FXUS63 KMKX 192009
AFDMKX
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
309 PM CDT SUN OCT 19 2025
KEY MESSAGES
- OVERNIGHT LOWS IN THE LOW TO MID 30S AND LIGHT WINDS WILL
PROMOTE AREAS OF FROST OVER SOUTH CENTRAL TO CENTRAL WI.
- HIGHS REBOUND INTO THE MID TO UPPER 60S MONDAY, BEFORE A
LONGER SHOT OF MORE FALL-LIKE TEMPERATURES RETURNS TUESDAY.
FROST WILL BE POSSIBLE AGAIN MID TO LATE WEEK.
- ADDITIONAL CHANCES FOR RAIN MONDAY NIGHT AND TUESDAY.
SHORT TERM
ISSUED 251 PM CDT SUN OCT 19 2025
TONIGHT THROUGH MONDAY NIGHT:
WINDS WILL QUICKLY EASE TONIGHT AS A HIGH PRESSURE RIDGE QUICKLY
SLIDES EAST OVER THE STATE. WITH THE CALMER WINDS, SUBSIDENCE,
AND REMNANT CAA AMID DRIER DEW POINTS, TEMPERATURES ARE
EXPECTED TO TANK INTO THE LOW TO MID 30S OVER SOUTH CENTRAL AND
CENTRAL WI, LEADING TO THE POTENTIAL FOR AREAS OF FROST. A
FROST ADVISORY HAS BEEN ISSUED IN ANTICIPATION.
OTHERWISE SOUTHERLY RETURN FLOW IS EXPECTED TO BEGIN TOMORROW
MORNING, AND ANOTHER SHOT OF WARM AIR IS EXPECTED OVER SOUTHERN
WI, WITH HIGHS EXPECTED TO BE IN THE MID TO UPPER 60S. SKIES
SHOULD BE SUNNY TO START, BUT CLOUDS WILL INCREASE LATE IN THE
DAY. A COLD FRONT IS THEN EXPECTED TO MOVE WEST, BRINGING A BAND
OF RAIN TO THE AREA MONDAY NIGHT.
CMILLER
LONG TERM
ISSUED 259 PM CDT SUN OCT 19 2025
TUESDAY THROUGH SUNDAY:
FOLLOWING THE FRONT TUESDAY, A UPPER TROUGH IS EXPECTED TO
SLIDE SOUTHEAST OVER THE UPPER GREAT LAKES, STEEPENING LAPSE
RATES ACROSS THE REGION. DAYTIME HEATING, AND A SECONDARY SFC
TROUGH WILL SUPPORT SHOWER ACTIVITY THROUGHOUT THE DAY.
TROUGHING ALOFT WILL THEN PERSIST THROUGH THE REST OF THE WORK
WEEK WITH PREVALENT NORTHWEST SURFACE FLOW. WHILE IT'LL BE DRY
AND MOSTLY SUNNY TO PARTLY CLOUDY, MORE FALL LIKE TEMPERATURES
ARE EXPECTED, WITH HIGHS IN THE 50S THROUGH THE END OF THE
EXTENDED PERIOD.
CMILLER
AVIATION
ISSUED 305 PM CDT SUN OCT 19 2025
VFR IS EXPECTED TO PERSIST OVERNIGHT AS A SURFACE RIDGE IS
EXPECTED TO MOVE EAST OVER THE STATE. NORTHWEST WINDS WILL EASE
AND BECOME MORE EASTERLY OVERNIGHT, THEN RETURNING TO SOUTHERLY
BY DAYBREAK ON MONDAY.
VFR WILL PERSIST MOST OF MONDAY, WITH BREEZY SOUTH WINDS
ANTICIPATED LATE MORNING INTO THE AFTERNOON. RAIN WILL THEN
RETURN ALONG A COLD FRONT LATE MONDAY AFTERNOON INTO MONDAY
EVENING.
CMILLER
MARINE
ISSUED 305 PM CDT SUN OCT 19 2025
NORTHWEST GALES ARE EXPECTED TO CONTINUE OVER THE SOUTHERN HALF OF
THE LAKE INTO THIS EVENING, WITH GALES DROPPING OFF OVER THE
NORTHERN HALF OF THE LAKE BY SUNDOWN . ANY LINGERING AREAS OF RAIN
ARE EXPECTED TO EXIT EAST OF THE MICHIGAN STATE SHORELINE OVER THE
NEXT HOUR OR TWO.
WINDS BRIEFLY WEAKEN LATE TONIGHT INTO EARLY MONDAY MORNING AS A
NARROW SURFACE RIDGE PASSES OVER THE LAKE AHEAD OF APPROACHING LOW
PRESSURE. WINDS WILL THEN TURN SOUTH AND ACCELERATE TO ANOTHER
ROUND OF POTENTIAL GALES LATE MONDAY AFTERNOON INTO MONDAY
NIGHT, BEFORE ANOTHER COLD FRONT CROSSES THE LAKE EARLY TUESDAY
MORNING. THERE'LL BE A BRIEF LULL BEFORE MORE WEST TO NORTHWEST
GALES RETURN TUESDAY AFTERNOON AND POTENTIALLY LINGER INTO
WEDNESDAY NIGHT.
CMILLER
MKX WATCHES/WARNINGS/ADVISORIES
WI...FROST ADVISORY...WIZ046-WIZ047-WIZ051-WIZ056-WIZ057-WIZ058-
WIZ063-WIZ064-WIZ069-WIZ070...2 AM MONDAY TO 8 AM MONDAY.
LM...GALE WARNING...LMZ080-LMZ669-LMZ671-LMZ673-LMZ675-LMZ777-
LMZ779-LMZ870-LMZ872-LMZ874-LMZ876-LMZ878 UNTIL 10 PM
SUNDAY.
GALE WARNING...LMZ261-LMZ362-LMZ364-LMZ366-LMZ563-LMZ565-
LMZ567-LMZ868 UNTIL 7 PM SUNDAY.
SMALL CRAFT ADVISORY...LMZ643-LMZ644-LMZ645-LMZ646 UNTIL 10 PM
SUNDAY.
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