898
FXUS63 KMKX 220452
AFDMKX
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
1152 PM CDT WED OCT 21 2026
KEY MESSAGES
- FOG POSSIBLE TONIGHT & THURSDAY NIGHT
- ABOVE NORMAL TEMPERATURES & RAIN-FREE CONDITIONS CONTINUE INTO
THE WEEKEND.
- TEMPERATURES TRENDING BACK TOWARD NORMAL NEXT WEEK, WITH
CHANCES FOR RAIN MONDAY NIGHT INTO TUESDAY AND WEDNESDAY
NIGHT.
SHORT TERM
ISSUED 1152 PM CDT WED OCT 21 2026
THE REST OF TONIGHT THROUGH THURSDAY NIGHT:
MOSTLY CLEAR SKIES AND LIGHT WINDS UNDER HIGH PRESSURE WILL
CONTINUE TONIGHT INTO THURSDAY. TEMPS HAVE BEEN DROPPING A BIT
FASTER THIS EVENING THAN ANTICIPATED, SO MAY NEED TO LOWER
OVERNIGHT LOWS A BIT. STILL THINK THERE COULD BE SOME PATCHY FOG
LATER TONIGHT INTO EARLY THURSDAY. HIGHS TOMORROW WILL BE VERY
SIMILAR TO THIS PAST AFTERNOON, THOUGH MAY BE A TOUCH COOLER
NEAR THE LAKE UNDER LIGHT ONSHORE WINDS. WOULDN'T BE SURPRISED
BY MORE FOG CHANCES THURSDAY NIGHT, AS THE LIGHT WINDS AND
LIMITED CLOUD COVER CONTINUE.
DDV
LONG TERM
ISSUED 1152 PM CDT WED OCT 21 2026
FRIDAY THROUGH WEDNESDAY:
SURFACE HIGH PRESSURE AND AN UPPER RIDGE ARE EXPECTED TO
MAINTAIN ENOUGH OF INFLUENCE ACROSS SOUTHERN WISCONSIN TO KEEP
DRY WEATHER AND ABOVE NORMAL TEMPS GOING FRIDAY THROUGH SUNDAY.
DRY WEATHER MAY PERSIST INTO MONDAY, DEPENDING ON THE TIMING OF
A TROUGH AND FRONT PASSAGE, WHICH HAS BEEN TRENDING SLOWER. THE
TROUGH IS LIKELY TO MOVE THROUGH BY TUESDAY, BRINGING RAIN
CHANCES BACK TO THE FORECAST AREA ALONG WITH COOLER CONDITIONS
FOR MID-WEEK.
DDV
AVIATION
ISSUED 1152 PM CDT WED OCT 21 2026
MOSTLY CLEAR SKIES AND LIGHT WINDS WILL CONTINUE TONIGHT
THROUGH THURSDAY UNDER HIGH PRESSURE. THERE MAY BE SOME PATCHY
FOG AGAIN LATER TONIGHT INTO EARLY THURSDAY MORNING, BUT
OTHERWISE VFR CONDITIONS WILL PERSIST THROUGH TOMORROW.
DDV
MARINE
ISSUED 1152 PM CDT WED OCT 21 2026
HIGH PRESSURE OF 30.3 INCHES CENTERED JUST NORTH OF THE WESTERN
GREAT LAKES THIS EVENING WILL GRADUALLY SHIFT EASTWARD THROUGH
FRIDAY, WHILE STRENGTHENING TO 30.5 INCHES OVER THE EASTERN
GREAT LAKES. LIGHT WINDS WILL CONTINUE THROUGH THURSDAY,
INCREASING A BIT OUT OF THE SOUTH ON FRIDAY BEHIND THE
STRENGTHENING HIGH. SOUTHERLY WINDS WILL THEN PERSIST THROUGH
THE WEEKEND BETWEEN THE HIGH TO THE EAST AND A TROUGH TO THE
NORTHWEST.
PATCHY FOG IS POSSIBLE TONIGHT INTO EARLY THURSDAY UNDER THE LIGHT
WINDS, WITH FOG THEN LESS LIKELY FRIDAY INTO THE WEEKEND AS THE
SOUTHERLY WINDS DEVELOP.
DDV
MKX WATCHES/WARNINGS/ADVISORIES
WI...NONE.
LM...NONE.
VISIT US AT WEATHER.GOV/MILWAUKEE
FOLLOW US ON FACEBOOK, X, AND YOUTUBE AT:
WWW.FACEBOOK.COM/NWSMILWAUKEE
WWW.X.COM/NWSMILWAUKEE
WWW.YOUTUBE.COM/NWSMILWAUKEE
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page