740   
FXUS63 KAPX 310639  
AFDAPX  
  
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE GAYLORD MI  
239 AM EDT FRI OCT 31 2025  
   
KEY MESSAGES  
  
- LAKE INDUCED/ENHANCED RAIN CHANCES AND BRISK WINDS TODAY.  
  
- LAKE INDUCED SHOWER CHANCES LINGER INTO THE WEEKEND,  
  ESPECIALLY NEAR LAKE MICHIGAN.  
  
- RAIN AND BREEZY WEATHER TO START THE NEXT WORK WEEK.  
  
  
   
SHORT TERM /THROUGH TONIGHT/  
  
ISSUED AT 237 AM EDT FRI OCT 31 2025  
  
THE UPPER-LEVEL LOW INFLUENCING THE AREA WILL CONTINUE LIFTING   
NORTHEAST ACROSS THE LOWER LAKES TODAY AND INTO NEW ENGLAND   
TONIGHT. DEEP LAYER CYCLONIC FLOW REMAINS, PULLING COLDER LOW-  
LEVEL AIR ACROSS THE REGION. WHILE THE DEEPER MOISTURE TIED TO   
THE MAIN SYSTEM STAYS TO OUR SOUTH AND EAST, INSTABILITY OVER   
THE LAKES INCREASES AS 850MB TEMPERATURES DROP TO AROUND -4C   
THIS AFTERNOON. MEANWHILE A SHORTWAVE MOVING INTO MINNESOTA AND   
PIVOTING SOUTH INTO IOWA WILL PUSH A PV ANOMALY NORTHWARD INTO   
WISCONSIN AND LOWER MICHIGAN ALONG A DEVELOPING DEFORMATION   
AXIS. THE RESULT IS A COOL, UNSETTLED DAY WITH CLOUDS FAVORING   
NORTHWEST LOWER AND FILTERED SUN ACROSS NORTHEAST LOWER...THE   
BEST CHANCES FOR SHOWERS WILL BE DOWNWIND OF LAKE MICHIGAN, WITH  
PERSISTENT NORTH-NORTHWEST FLOW. DAYTIME HIGHS LOOK TO STRUGGLE  
TO REACH THE UPPER 40S, WITH A FEW LOW 50S POSSIBLE FURTHER   
SOUTHEAST.   
  
CYCLONIC FLOW CONTINUES THROUGH TONIGHT, KEEPING CLOUDS AND A   
FEW LINGERING LAKE INDUCED SHOWERS AROUND, PARTICULARLY NEAR THE  
LAKES AND ALONG THE DEFORMATION AXIS. OVERNIGHT LOWS LOOK TO   
DROP BACK INTO THE LOW TO MID 30S, WITH THE COOLEST READINGS   
AWAY FROM THE LAKES AND IN AREAS WHERE SKIES THIN SUFFICIENTLY.   
  
  
   
LONG TERM /SATURDAY THROUGH THURSDAY/  
  
ISSUED AT 237 AM EDT FRI OCT 31 2025  
  
SATURDAY REMAINS COOL UNDER LINGERING CYCLONIC FLOW. LAKE   
INDUCED SHOWERS LOOK TO CONTINUE, ESPECIALLY FOR AREAS DOWNWIND   
OF LAKE MICHIGAN, AS COLD AIR OVER RELATIVELY WARMER LAKE WATERS  
MAINTAINS INSTABILTY. HIGHS REMAIN INT HE UPPER 40S TO NEAR 50,  
COOLEST FOR INLAND LOCATIONS. WINDS WILL SWING AROUND TO A   
SOUTHERLY COMPONENT SUNDAY BUT ANY LINGERING LAKE CONVECTION   
WILL EVENTUALLY GET SHOVED BACK INTO THE FORECAST AREA.   
WIDESPREAD SYNOPTIC PRECIPITATION ARRIVES SUNDAY NIGHT   
CONTINUING INTO MONDAY WITH WINDS EXPECTED TO BECOME GUSTY FROM   
THE SOUTHWEST AHEAD OF A COLD FRONT. WINDS LOOK TO SHIFT TO THE   
WEST/NORTHWEST BEHIND THE COLD FRONT LATER MONDAY AFTERNOON/   
EVENING.   
  
TOWARDS THE END OF THE WEEK, ANOTHER SYSTEM MAY APPROACH FROM   
THE WEST, THOUGH CONFIDENCE IN TIMING AND TRACK REMAINS LOW.   
WILL CONTINUE TO WATCH THIS POTENTIAL IN THE COMING FORECAST   
CYCLES.   
  
  
   
AVIATION /06Z TAFS THROUGH 06Z SATURDAY/  
  
ISSUED AT 113 AM EDT FRI OCT 31 2025  
  
VFR CONDITIONS ARE EXPECTED FOR MOST OF NORTHERN MICHIGAN THROUGH   
TONIGHT. LOW CONFIDENCE IN ADDITIONAL FG/BR DEVELOPMENT AT MBL AS   
LIGHT SHOWERS AND ASSOCIATED CLOUD COVER HAS MOVED IN -- BUT   
POTENTIAL STILL EXISTS IF CLOUDS CLEAR OUT WITH WEAK/CALM WINDS IN   
PLACE. OTHERWISE, CLOUD COVER AS A WHOLE LOOKS TO FILL IN TONIGHT   
INTO FRIDAY MORNING WITH ADDITIONAL LIGHT LAKE EFFECT SHOWERS ACROSS   
NORTHWEST LOWER AND EASTERN UPPER THROUGH THE PERIOD. CIGS WILL   
LIKELY BOUNCE BETWEEN MVFR AND VFR BEGINNING FRIDAY MORNING INTO   
FRIDAY EVENING -- ALTHOUGH HIGHER CONFIDENCE EXISTS AT THIS TIME FOR   
PREVAILING VFR CONDITIONS FOR MOST LOCATIONS. CIGS LOOK TO LIFT SOME   
LATER FRIDAY EVENING. OTHERWISE, NORTH-NORTHWEST WINDS AROUND 10 KTS   
WITH GUSTS BETWEEN 15-20 KTS ARE EXPECTED ON FRIDAY BEFORE WEAKENING   
HEADING INTO THE EVENING.  
  
  
   
APX WATCHES/WARNINGS/ADVISORIES  
  
MI...NONE.  
MARINE...SMALL CRAFT ADVISORY UNTIL 5 AM EDT SATURDAY FOR LHZ347.  
     SMALL CRAFT ADVISORY UNTIL 1 AM EDT SATURDAY FOR LHZ348-349.  
  
  
  
  
  
SHORT TERM...NSC  
LONG TERM...NSC  
AVIATION...DJC  
 
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