006  
FXUS63 KDLH 121145  
AFDDLH  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE DULUTH MN  
645 AM CDT SAT JUL 12 2025  
   
KEY MESSAGES  
 
- LINGERING SHOWERS AND GENERAL THUNDERSTORMS THROUGH TODAY.  
COOLER TEMPERATURES AND SMOKY CONDITIONS.  
 
- MORE SLIGHT CHANCES FOR SHOWERS AND STORMS, MAINLY ACROSS  
NORTHWEST WISCONSIN, ON SUNDAY.  
 
- THE NEXT CHANCE FOR WIDESPREAD STORMS WILL BE MONDAY NIGHT  
INTO TUESDAY. PERIODIC CHANCES FOR STORMS CONTINUE FOR THE  
REST OF THE WORK WEEK.  
 
 
   
DISCUSSION  
 
ISSUED AT 248 AM CDT SAT JUL 12 2025  
 
AS THE LOW PRESSURE SYSTEM THAT GAVE US STORMS YESTERDAY MOVES  
OFF TO THE EAST, SHOWER AND STORM CHANCES LINGER AS THERE IS  
STILL A MARGINAL AMOUNT OF INSTABILITY AND COLD AIR ADVECTION  
FROM NORTHWEST FLOW. THIS WILL LEAD TO SCATTERED SHOWERS AND  
STORMS THROUGHOUT THE REST OF THE MORNING, INCREASING IN  
COVERAGE INTO THE AFTERNOON. NO SEVERE STORMS ARE EXPECTED, BUT  
A CELL OR TWO COULD BE CAPABLE OF PRODUCING STRONG WINDS AND  
SMALL HAIL. NORTHWEST FLOW WILL ALSO KEEP TEMPERATURES IN THE  
70S TODAY, A NICE BREAK FROM THE RECENT HEAT. SMOKE THAT WAS  
BROUGHT SOUTH BEHIND THE COLD FRONT WILL ALSO LINGER TODAY AND  
THROUGH THE WEEKEND BEFORE FLOW ALOFT TURNS BACK TO THE  
SOUTHWEST.  
 
THE COOL WEATHER WILL NOT LAST LONG, HOWEVER, AS THE HEAT  
RETURNS SUNDAY WITH HIGHS IN THE 80S. A WEAK TROUGH WILL MOVE  
INTO THE AREA, WITH A JET STREAM EXIT REGION TO ASSIST WITH  
UPPER LEVEL SUPPORT FOR STORM DEVELOPMENT. STORMS ARE EXPECTED  
TO DEVELOP IN THE MID TO LATE AFTERNOON AND LAST INTO THE  
EVENING AS A SURFACE COLD FRONT MOVES THROUGH.  
 
MONDAY A RIDGE TO THE NORTH WILL LARGELY KEEP US HOT, HUMID, AND  
WITH NO PRECIPITATION MOST OF THE DAY. HOWEVER, THAT WON'T LAST  
LONG AS THE JET STREAM SURGES SOUTH. THE ACCOMPANYING COLD FRONT  
WILL HELP INITIATE STORMS MONDAY EVENING. THIS COLD FRONT WILL  
BE SLOW MOVING AND CHANCES FOR SHOWERS AND STORMS CAN LINGER AT  
LATE AS WEDNESDAY EVENING.  
 
A COLD AIR MASS WILL SETTLE OVER THE AREA AS THE COLD FRONT  
PASSES AND WE WILL GET A GLIMPSE OF EARLY FALL WITH HIGHS IN  
THE UPPER 60S WEDNESDAY AND THURSDAY. TEMPERATURES WILL WARM  
SLOWLY INTO THE WEEKEND.  
 
YET ANOTHER SYSTEM WILL MOVE IN FROM THE NORTHERN PLAINS FOR THE  
LATE WEEK INTO THE WEEKEND. MODELS ARE INCONSISTENT ON  
WHERE/WHEN PRECIPITATION WILL OCCUR.  
 
 
   
AVIATION /12Z TAFS THROUGH 12Z SUNDAY/  
 
ISSUED AT 633 AM CDT SAT JUL 12 2025  
 
A COMBINATION OF FOG, RAIN, AND SMOKE ARE LEADING TO REDUCED  
VISIBILITIES AT THE TERMINALS. DLH AND HYR SPECIFICALLY WILL SEE  
MODERATE TO HEAVY RAIN THROUGHOUT THE MORNING. FOG SHOULD  
DISSIPATE THROUGHOUT THE MORNING, BUT SMOKE WILL LINGER. MVFR  
VISIBILITIES ARE GENERALLY EXPECTED WITH THE SMOKE, BUT IT MAY  
THIN AS WE MIX OUT LATER THIS MORNING. UNCERTAINTY IS HIGH OF  
IF/WHEN THE SMOKE WILL THIN ENOUGH TO GET VFR VISIBILITIES.  
 
 
   
MARINE /FOR NEAR SHORE WATERS OF WESTERN LAKE SUPERIOR/  
 
ISSUED AT 248 AM CDT SAT JUL 12 2025  
 
WINDS WILL INCREASE OUT OF THE SOUTHWEST TODAY WITH GUSTS UP TO  
15 KTS. WAVES UP TO 2 FT ARE EXPECTED AT THE HEAD OF THE LAKE  
IN THE EARLY AFTERNOON TRANSITIONING NORTH AND EAST. SMOKY  
CONDITIONS WILL LINGER WITH SCATTERED SHOWERS AND STORMS LATER  
THIS MORNING INTO THE EARLY EVENING. WINDS WILL INCREASE FURTHER  
ON SUNDAY, WITH WINDS UP TO 20 KTS AND STORMS POSSIBLE YET AGAIN  
IN THE EVENING.  
 
FOR THE OPEN WATER DISCUSSION, REFER TO THE NWS MARQUETTE AREA  
FORECAST DISCUSSION AT WEATHER.GOV/MQT.  
 
 
   
DLH WATCHES/WARNINGS/ADVISORIES  
 
MN...NONE.  
WI...NONE.  
MARINE...NONE.  
 
 
 
 
 
DISCUSSION...KML  
AVIATION...KML  
MARINE...KML  
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