491
FXUS63 KMKX 170523
AFDMKX
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
1223 AM CDT SAT OCT 17 2026
KEY MESSAGES
- TEMPERATURES TO DROP INTO THE UPPER 20S TO AROUND 30 INLAND TONIGHT
INTO EARLY SATURDAY MORNING. A FREEZE WARNING IS IN EFFECT
FOR MOST AREAS, WITH A FROST ADVISORY IN FAR SOUTHEAST
WISCONSIN NEAR LAKE MICHIGAN.
- SOUTHWEST GALES MAY OCCUR SATURDAY NIGHT INTO SUNDAY NIGHT
OVER FAR NORTHERN PORTIONS OF LAKE MICHIGAN. WINDS AND WAVES
MAY REACH SMALL CRAFT ADVISORY LEVELS FOR THE NEARSHORE WATERS
SUNDAY INTO SUNDAY NIGHT.
SHORT TERM
ISSUED 1140 AM CDT FRI OCT 16 2026
CURRENT OVERNIGHT THROUGH SUNDAY NIGHT:
HIGH PRESSURE MOVING OVERHEAD TONIGHT WILL ALLOW FOR LIGHT
WINDS, SUBSIDENCE, CLEAR SKIES, AND LOW DEW POINTS. TEMPERATURES
ARE EXPECTED TO TANK BELOW FREEZING OVER MOST OF SOUTHERN
WISCONSIN, PROMOTING CONDITIONS FOR A HARD FREEZE WITH LOWS
RANGING FROM 27 TO 32. A FREEZE WARNING HAS BEEN ISSUED FOR ALL
OF SOUTHERN WI, SAVE FOR OZAUKEE, MILWAUKEE, RACINE, AND KENOSHA
COUNTIES, WHERE THE WARMER WATERS OF LAKE MICHIGAN WILL KEEP
OVERNIGHT LOWS AT OR ABOVE FREEZING. A FROST ADVISORY IS IN
PLACE FOR THOSE COUNTIES.
CHILLY CONDITIONS LINGER INTO THE MORNING WITH A GRADUAL WARMUP
TO HIGHS IN THE UPPER 50S DURING THE AFTERNOON. HIGH PRESSURE
WILL MOVE SOUTHEAST OF THE AREA THROUGH THE DAY ON SATURDAY AND
SOUTHWEST WINDS WILL KICK IN, WITH GUSTS TO 25 MPH POSSIBLE
NORTH OF I-94.
WINDS WILL REMAIN ELEVATED SATURDAY NIGHT INTO SUNDAY,
DECREASING FROST CONCERNS. SUNDAY LOOKS TO BE DRY AND SUNNY, BUT
BREEZY WITH SOUTHWEST WINDS GUSTING FROM 25 TO 35 MPH. HIGHS
WILL BE IN THE LOW 60S.
CMILLER
LONG TERM
ISSUED 1202 AM CDT FRI OCT 16 2026
MONDAY THROUGH THURSDAY:
A QUIET EXTENDED PERIOD IS IN STORE AS AN UPPER LEVEL RIDGE
REMAINS IN PLACE OVER THE PLAINS AND BUILDS IN STRENGTH THROUGH
THE WORK WEEK. EXPECT TEMPS RISING FROM THE 60S TO LOW 70S BY
THE LATE WEEK WITH SOUTHERLY WINDS REMAINING IN PLACE THROUGH
THE WEEK. FROST MAY OCCUR MONDAY NIGHT IN ISOLATED POCKETS, BUT
WARMING OVERNIGHT TEMPERATURES WILL KEEP FRONT AT BAY MID TO
LATE WEEK.
CMILLER
AVIATION
ISSUED 1214 AM CDT FRI OCT 16 2026
WIDESPREAD VFR CONDITIONS ARE EXPECTED OVERNIGHT AND WINDS WILL
GROW LIGHTER AS A SFC HIGH PRESSURE RIDGE MOVES OVER THE UPPER
MS VALLEY AND SOUTHERN WI. LIGHT AND VARIABLE WINDS SHOULD TAKE
OVER BETWEEN 06Z AND 12Z SATURDAY. VFR CONDITIONS CONTINUE INTO
TOMORROW, WITH SOUTHWESTERLY WINDS BECOMING BREEZY LATE MORNING
AND THROUGH THE AFTERNOON. GUSTS TO 20 KNOTS WILL BE POSSIBLE
ON THE EDGE OF THE RETREATING HIGH PRESSURE, MAINLY ALONG AND
NORTH OF A LINE FROM KMSN TO KMKE.
CMILLER
MARINE
ISSUED 1155 PM CDT FRI OCT 16 2026
LOW PRESSURE AROUND 29.4 INCHES WILL CONTINUE TO MOVE WELL EAST
OF THE REGION TONIGHT, AS STRONG HIGH PRESSURE AROUND 30.6
INCHES REMAINS OVER THE CENTRAL PLAINS. NORTH GALES ARE EASING
AND SHOULD END OVER THE NEXT COUPLE OF HOURS. A GALE WARNING
REMAINS IN EFFECT FOR ALL OF THE OPEN WATERS OF LAKE MICHIGAN
UNTIL 1 AM CDT SATURDAY MORNING. SCATTERED SHOWERS WILL LINGER
INTO EARLY SATURDAY MORNING OVER THE SOUTHERN HALF OF LAKE
MICHIGAN.
AS THE HIGH SHIFTS TOWARD THE OHIO RIVER VALLEY ON SATURDAY,
STRONG LOW PRESSURE AROUND 29.0 INCHES WILL DEVELOP IN SOUTH
CENTRAL CANADA, SHIFTING TOWARD AND INTO HUDSON BAY ON SUNDAY.
THIS MAY BRING SOUTHWEST GALES TO FAR NORTHERN PORTIONS OF LAKE
MICHIGAN SATURDAY NIGHT INTO SUNDAY NIGHT.
HIGH PRESSURE AROUND 30.5 INCHES SHOULD DEVELOP EAST NORTHEAST
OF THE REGION NEXT WEEK, BRINGING DRY CONDITIONS AND LIGHT TO
MODEST WINDS.
CMILLER
MKX WATCHES/WARNINGS/ADVISORIES
WI...FREEZE WARNING...WIZ046-WIZ047-WIZ051-WIZ052-WIZ056-WIZ057-
WIZ058-WIZ059-WIZ062-WIZ063-WIZ064-WIZ065-WIZ067-WIZ068-
WIZ069-WIZ070 UNTIL 9 AM SATURDAY.
FROST ADVISORY...WIZ060-WIZ066-WIZ071-WIZ072 UNTIL 9 AM
SATURDAY.
LM...GALE WARNING...LMZ080-LMZ261-LMZ362-LMZ364-LMZ366-LMZ563-
LMZ565-LMZ567-LMZ669-LMZ671-LMZ673-LMZ675-LMZ777-LMZ779-
LMZ868-LMZ870-LMZ872-LMZ874-LMZ876-LMZ878 UNTIL 1 AM
SATURDAY.
SMALL CRAFT ADVISORY...LMZ643-LMZ644 UNTIL 4 AM SATURDAY.
SMALL CRAFT ADVISORY...LMZ645-LMZ646 UNTIL 7 AM SATURDAY.
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