310  
FXUS63 KDLH 190537  
AFDDLH  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE DULUTH MN  
1237 AM CDT SAT SEP 19 2026  
   
KEY MESSAGES  
 
- SHOWERS TODAY SLOWLY TAPER IN COVERAGE TONIGHT WITH DRIZZLE  
CONTINUING INTO SATURDAY MORNING.  
 
- DANGEROUS SWIMMING CONDITIONS EXPECTED FOR THE BEACHES OF THE  
TWIN PORTS AT TIMES TODAY THROUGH MONDAY.  
 
- FROST IS POSSIBLE EACH NIGHT FROM SUNDAY THROUGH WEDNESDAY  
NIGHT.  
 
 
   
DISCUSSION  
 
ISSUED AT 226 PM CDT FRI SEP 18 2026  
 
FOR THE REST OF THE DAY, LIGHT RAIN SHOWERS WILL CONTINUE THIS  
AFTERNOON BEFORE ENDING FROM WEST TO EAST FOR AREAS SOUTH OF US  
HIGHWAY 2. AS WE HEAD INTO TONIGHT, EXPECT OVERNIGHT DRIZZLE AND  
PATCHY FOG TO DEVELOP. THIS COULD KEEP SOME SURFACES WET AND SLICK  
INTO EARLY SATURDAY MORNING BEFORE SLOWLY ENDING DURING THE MID TO  
LATE MORNING HOURS TOMORROW. ASIDE FROM THE RAIN SHOWERS TODAY,  
DRIZZLE TONIGHT, AND SOME INLAND NORTHERN WISCONSIN RAIN SHOWERS  
TOMORROW, IT IS A DRY FORECAST FOR THE REGION.  
 
GUSTY EASTERLY WINDS WILL CONTINUE INTO THE SOUTHWEST ARM OF LAKE  
SUPERIOR THIS WEEKEND, AFFECTING BEACHES IN THE TWIN PORTS WITH  
DANGEROUS RIP CURRENTS. WHILE THE ONGOING BEACH HAZARD STATEMENT FOR  
TODAY WILL EXPIRE TONIGHT, EXPECT A FEW MORE DAYS OF THESE SIMILAR  
HEADLINES THIS WEEKEND AND INTO AT LEAST MONDAY.  
 
ON SUNDAY, STRONG EASTERLY WINDS ARE FORECAST FOR THE SOUTHWEST ARM  
AND THE SOUTH SHORE. THIS SETUP HAS A 40 PERCENT CHANCE OF BRINGING  
35 TO 40 MPH WIND GUSTS TO SHORELINE LOCATIONS DURING THE DAYTIME.  
WHILE THIS IS NOT ENOUGH FOR A WIND ADVISORY, IT WILL BE GUSTY FOR  
ANY OUTDOOR WEEKEND PLANS. HIGH PRESSURE WILL BEGIN TO SETTLE OVER  
THE AREA KEEPING PRECIPITATION CHANCES NEAR ZERO.  
 
AS WE LOOK TOWARD THE EXTENDED FORECAST, FROST IS INCREASINGLY LIKELY  
FOR COLD SPOTS OF INLAND NORTHWEST WISCONSIN AND FAR NORTHERN  
MINNESOTA LATE SUNDAY NIGHT INTO MONDAY MORNING. FROST ADVISORIES MAY  
BE NEEDED FOR THAT TIME PERIOD, BUT A ZONE OR TWO OF FREEZE WARNINGS  
COULD ALSO BE WARRANTED FOR AREAS ALONG THE INTERNATIONAL BORDER IF  
SKIES CAN CLEAR OUT.  
 
THE FORECAST TRENDS INTO SHOW CONTINUED COOL NIGHTS MONDAY  
NIGHT AND TUESDAY NIGHT SO EVEN ADDITIONAL AT LEAST FROST AND  
MAYBE FREEZE HEADLINES ARE LIKELY. HIGH PRESSURE WILL REMAIN IN  
CONTROL OVER THE GREAT LAKES REGION, KEEPING OUR WEATHER MOSTLY  
CLEAR AND QUIET FROM TUESDAY THROUGH THURSDAY. HIGH  
TEMPERATURES WILL GENERALLY HOVER IN THE UPPER 50S TO MIDDLE 60S  
THROUGHOUT THE WEEK.  
 
 
   
AVIATION /06Z TAFS THROUGH 06Z SUNDAY/  
 
ISSUED AT 1225 AM CDT SAT SEP 19 2026  
 
VFR TO IFR CEILINGS ARE PRESENT ACROSS THE NORTHLAND AND WILL  
AFFECT THE TERMINALS ALL NIGHT AND INTO TOMORROW. CHANCES FOR  
FOG HAS LOWERED DUE TO THE STRATUS, BUT SOME WINDOWS OF MVFR TO  
IFR VISIBILITIES ARE STILL POSSIBLE IN THE EARLY MORNING  
ACROSS ALL TERMINALS. VFR CEILINGS ARE EXPECTED TO RETURN  
LATER THIS EVENING.  
 
 
   
MARINE /FOR NEARSHORE WATERS OF WESTERN LAKE SUPERIOR/  
 
ISSUED AT 206 PM CDT FRI SEP 18 2026  
 
HAZARDOUS CONDITIONS WILL PERSIST FOR SMALL CRAFT ON WESTERN LAKE  
SUPERIOR TONIGHT AS NORTHEAST WINDS OF 10 TO 15 KNOTS GUST TO  
25 KNOTS. A SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM GRAND  
MARAIS TO DULUTH TO PORT WING. GUSTY EASTERLY WINDS CONTINUE  
INTO THE SOUTHWEST ARM AND ALONG THE SOUTH SHORE THIS WEEKEND.  
STRONG EASTERLY WINDS ARE FORECAST FOR THE SOUTHWEST ARM AND  
SOUTH SHORE WITH A 40 PERCENT CHANCE OF 35 KNOT GUSTS SUNDAY  
DAYTIME. GALES ARE POSSIBLE FOR OUTER APOSTLE ISLANDS, BUT ALSO  
LESSER SO FOR THE TWIN PORTS AND SAXON HARBOR AREAS SUNDAY.  
 
FOR THE OPEN WATER DISCUSSION, REFER TO THE NWS MARQUETTE AREA  
FORECAST DISCUSSION AT WEATHER.GOV/MQT.  
 
 
   
FIRE WEATHER  
 
ISSUED AT 205 PM CDT FRI SEP 18 2026  
 
THERE ARE NO FIRE WEATHER CONCERNS FOR THE FORECAST PERIOD.  
MINIMUM RELATIVE HUMIDITY VALUES WILL REMAIN ABOVE 35 PERCENT  
THROUGH THE NEXT SEVEN DAYS. RAIN SHOWERS TODAY, FOLLOWED BY  
DRIZZLE TONIGHT, WILL PROVIDE LIGHT TO LOCALLY MODERATE  
MOISTURE TO DISTRICTS SOUTH OF US HWY 2. WINDS WILL GENERALLY  
REMAIN OUT OF THE EAST AND NORTHEAST THROUGH THE WEEKEND,  
BECOMING LOCALLY GUSTY ON SUNDAY, BEFORE REMAINING LIGHT OUT OF  
THE SOUTHEAST BY THE MIDDLE OF NEXT WEEK.  
 
SEE THE FIRE WEATHER FORECAST PRODUCT FOR A MORE THOROUGH  
BREAKDOWN OF FIRE WEATHER CONDITIONS.  
 
 
   
DLH WATCHES/WARNINGS/ADVISORIES  
 
MN...NONE.  
WI...NONE.  
MARINE...NONE.  
 
 
 
 
 
DISCUSSION...NLY  
AVIATION...KML  
MARINE...NLY  
FIRE WEATHER...NLY  
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