115  
FXUS63 KMQT 211722  
AFDMQT  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE MARQUETTE MI  
1222 PM EST FRI NOV 21 2025  
   
KEY MESSAGES  
 
- SCATTERED TO ISOLATED LAKE EFFECT RAIN/SNOW SHOWERS ARE  
POSSIBLE TODAY INTO THIS EVENING ACROSS MAINLY THE EASTERN  
U.P.  
 
- BENIGN, LOW IMPACT WEATHER IS EXPECTED THIS WEEKEND INTO THE  
EARLY PART OF NEXT WEEK.  
 
- LAKE EFFECT SNOW MAY IMPACT THE THANKSGIVING HOLIDAY WEEKEND.  
TRAVELERS AND INTERESTED PARTIES SHOULD CONTINUE TO MONITOR  
THE FORECAST AS DETAILS BECOME MORE CLEAR OVER THE COMING  
WEEK.  
 
 
   
DISCUSSION  
 
ISSUED AT 146 AM EST FRI NOV 21 2025  
 
AS LIGHT RAIN SHOWERS DWINDLE AWAY ACROSS THE NW WIND BELTS, MAINLY  
THE EAST, EARLY THIS MORNING, A COLD FRONT DROPPING DOWN FROM  
NORTHERN ONTARIO THROUGH LAKE SUPERIOR LATER TODAY WILL BRING  
ISOLATED TO SCATTERED LIGHT RAIN/NON-ACCUMULATING SNOW SHOWERS BACK  
ACROSS THE NW WIND BELTS AGAIN (MAINLY THE EAST). GIVEN THE DRY AIR  
IN WITHIN THE BOUNDARY LAYER, NOT MUCH LIQUID IS EXPECTED, JUST A  
COUPLE OF HUNDRETHS REALLY OVER THE EAST UNLESS A MORE PERSISTENT  
BAND DEVELOPS (SOME CAMS HAVE THIS OCCURRING, BUT MAINLY NEAR THE  
MUNISING AREA AND BY WHITEFISH POINT TONIGHT); EVEN THEN, ONLY A  
TENTH OR TWO OF LIQUID IS REALLY EXPECTED IN THIS 'HIGHEST AMOUNTS  
SCENARIO' GIVEN THE MARGINAL DELTA-TS AND HIGH PRESSURE RIDGING  
BUILDING IN FROM THE NORTHERN PLAINS THIS WEEKEND. NO SNOWFALL IS  
EXPECTED AS THE AIR AND GROUND TEMPERATURES ARE TOO WARM AT THIS  
TIME. EXPECT THE RELATIVELY WARM TEMPERATURES (FOR THIS TIME OF YEAR  
AT LEAST) TO CONTINUE TODAY THROUGH EARLY NEXT WEEK, WITH HIGHS IN  
THE UPPER 30S TO MID 40S TODAY AND SATURDAY INCREASING INTO THE 40S  
TO AROUND 50 IN SOME SPOTS BY EARLY NEXT WEEK AS GULF AIR BEGINS TO  
INFILTRATE THE UPPER MIDWEST.  
 
WHILE STILL SEVERAL DAYS OUT, WE ARE ALREADY TRACKING A POTENTIAL  
LOW PRESSURE SYSTEM IMPACTING UPPER MICHIGAN AROUND THE TIME OF  
THANKSGIVING. WHILE THEIR IS STILL HIGH UNCERTAINTY IN THE PLACEMENT  
AND TIMING OF THE LOW'S TRACK, GUIDANCE HAS CONVERGED ON A SHORTWAVE  
LIFTING FROM THE SOUTHERN ROCKIES PHASING WITH A CLIPPER LOW OVER OR  
NEAR THE UPPER GREAT LAKES. AS OF THE TIME OF THIS WRITING, MEDIUM  
RANGE MODEL GUIDANCE HAS TRENDED THE TRACK OF THE LOW FURTHER NORTH  
THAN PREVIOUSLY FORECASTED. WHILE THE COLD AIR DROPPING DOWN FROM  
THE ARCTIC STILL LOOKS TO IMPACT US BY THE MIDDLE-TO-END OF NEXT  
WEEK, CHANCES ARE LOWERING ON SYSTEM SNOWFALL WITH THIS LOW. THAT  
BEING SAID, GIVEN THE POLAR AIR COMING DOWN ACROSS THE AREA AND  
STRONG TROUGHING STILL EXPECTED ACROSS THE UPPER GREAT LAKES BEHIND  
THE LOW AROUND THANKSGIVING, WE COULD STILL SEE SOME IMPACTFUL LAKE  
EFFECT SNOWFALL ACCUMULATIONS OVER MAINLY THE NW WIND SNOW BELTS FOR  
NEXT THURSDAY AND BEYOND. THANKSGIVING TRAVELERS SHOULD CONTINUE TO  
KEEP AN EYE ON THE FORECAST; GIVEN THAT THIS SYSTEM IS STILL SEVERAL  
DAYS OUT, THE TRACK AND PLACEMENT OF THE LOW COULD GREATLY CHANGE  
BETWEEN NOW AND MIDDLE OF NEXT WEEK, WHICH IN TURN COULD  
DRAMATICALLY CHANGE THE FORECAST.  
 
 
   
AVIATION /18Z TAFS THROUGH 18Z SATURDAY/  
 
ISSUED AT 1222 PM EST FRI NOV 21 2025  
 
CLOUDS MVFR SKIES REMAIN OVERHEAD UPPER MICHIGAN THROUGH THIS  
EVENING BUT WILL GRADUALLY SCATTER OUT AFTER THIS EVENING,  
YIELDING VFR FOR THE REMAINDER OF THE TAF PERIOD. BREEZY WEST-  
NORTHWEST WINDS ALONG THE KEWEENAW WILL BRING 20-25 KT GUSTS TO  
KCMX THROUGH THIS AFTERNOON. WINDS FALL BELOW 15 KTS TONIGHT AS  
HIGH PRESSURE SETTLES OVERHEAD.  
 
 
   
MARINE  
 
ISSUED AT 146 AM EST FRI NOV 21 2025  
 
WEST TO NORTHWEST WINDS OF 20 TO 25 KTS EARLY THIS MORNING INCREASE  
TO 20 TO 30 KTS LATE THIS MORNING AS A COLD FRONT MOVES THROUGH THE  
LAKE, BEFORE DYING DOWN TO NORTHWEST WINDS OF 20 KTS OR LESS AGAIN  
BY THIS EVENING AS WEAK SFC RIDGING BUILDS IN. AS ANOTHER CLIPPER  
LOW CRASHES THROUGH THE UPPER GREAT LAKES ON SATURDAY, EXPECT WINDS  
TO INCREASE FROM THE SOUTH TO SOUTHWEST TO AROUND 20 KTS AHEAD OF  
THE SHORTWAVE'S PASSAGE, BEFORE BECOMING NORTHWESTERLY AT 20 TO 30  
KTS BEHIND THE SHORTWAVE ON SATURDAY NIGHT INTO SUNDAY MORNING  
(HIGHEST WINDS AND WAVES OVER THE EASTERN LAKE). AS MORE SUBSTANTIVE  
RIDGING BUILDS IN EARLY NEXT WEEK, EXPECT THE WINDS TO DIE DOWN TO  
20 KTS OR LESS AGAIN BY SUNDAY EVENING, REMAINING THAT WAY UNTIL  
AROUND TUESDAY WHEN A CLIPPER STARTS TO PHASE WITH A SHORTWAVE  
LIFTING FROM THE SOUTHERN ROCKIES TOWARDS THE UPPER GREAT LAKES.  
 
 
   
MQT WATCHES/WARNINGS/ADVISORIES  
 
UPPER MICHIGAN...  
NONE.  
LAKE SUPERIOR...  
NONE.  
LAKE MICHIGAN...  
NONE.  
 
 
 
 
 
DISCUSSION...TAP  
AVIATION...BW  
MARINE...TAP  
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