317  
FXUS63 KDLH 052343  
AFDDLH  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE DULUTH MN  
643 PM CDT WED AUG 5 2026  
   
KEY MESSAGES
 
 
- PLEASANT, NEAR NORMAL TEMPERATURES THROUGH NEXT WEEK WITH  
HIGH TEMPERATURES IN THE 70S AND 80S.  
 
- SCATTERED RAIN SHOWERS AND THUNDERSTORMS THURSDAY NIGHT  
THROUGH FRIDAY NIGHT, WITH SPORADIC PRECIPITATION CHANCES THIS  
WEEKEND INTO NEXT WEEK.  
 
- THE RISK FOR SEVERE WEATHER IS LOW OVER THE NEXT WEEK, BUT  
CANNOT BE RULED OUT FRIDAY AFTERNOON OVER NORTHWEST WISCONSIN.  
 

 
   
DISCUSSION
 
 
ISSUED AT 117 PM CDT WED AUG 5 2026  
 
DRY SURFACE HIGH PRESSURE WILL BE IN PLACE ACROSS NORTHEAST  
MINNESOTA THE REST OF TODAY AND INTO THURSDAY. A COLD FRONT WILL  
ENTER NORTHEAST MINNESOTA LATE THURSDAY EVENING AND SLOWLY MOVE  
EAST ACROSS NORTHWEST WISCONSIN THROUGH THE DAY ON FRIDAY.  
INITIALLY, LOW LEVEL MOISTURE IS EXPECTED TO MIX OUT THROUGH THE  
AFTERNOON AHEAD OF THE FRONT TO FAVOR A DRY FORECAST PRIOR TO  
00Z. THEREAFTER, AS LOW LEVEL MOISTURE RECOVERS, THE LOW LEVEL  
JET MODESTLY INCREASES AND A SERIES OF MID LEVEL IMPULSES  
PROPAGATE ALONG THE INTERNATIONAL BORDER SOUTH OF THE MAIN WAVE,  
SCATTERED RAIN SHOWERS AND THUNDERSTORMS ARE EXPECTED THURSDAY  
NIGHT ACROSS NORTHEAST MINNESOTA WITH THE PASSAGE OF THE FRONT.  
WITH LIMITED BUOYANCY, SEVERE WEATHER IS NOT EXPECTED.  
 
RAIN SHOWER AND THUNDERSTORM CHANCES INCREASE ON FRIDAY WITH  
DAYTIME HEATING AND BIT BETTER BUOYANCY BUILDING AS THE FRONT  
SLOWLY MOVES ACROSS THE AREA. A FEW STRONGER STORMS WITH SMALL  
HAIL AND WIND GUSTS OVER 40 MPH ARE EXPECTED ACROSS NORTHWEST  
WISCONSIN. HOWEVER, THE OVERALL THREAT FOR SEVERE WEATHER IS  
LOW.  
 
FOR THE REST OF THE FORECAST FOR THIS WEEKEND AND INTO NEXT  
WEEK, NEAR ZONAL FLOW IS FAVORED ACROSS THE LOWER 48. THIS  
OVERALL LARGE SCALE FLOW PATTERN FAVORS NEAR NORMAL  
TEMPERATURES WITH HIGH TEMPERATURES IN THE 70S TO LOWER 80S. THE  
MAIN STORM TRACK IS FAVORED TO REMAIN SOUTH OF THE NORTHLAND,  
HOWEVER, LOW PREDICTABILITY IMPULSES EMBEDDED IN THE FASTER FLOW  
ALOFT AND DAYTIME HEATING WOULD PRESENT A NEAR DAILY, SPORADIC  
COVERAGE OF RAIN SHOWERS AND THUNDERSTORMS (ISOLATED TO  
SCATTERED COVERAGE). OVERALL, WITH LIMITED BUOYANCY, SEVERE  
WEATHER IS NOT LIKELY.  
 

 
   
AVIATION /00Z TAFS THROUGH 00Z FRIDAY/
 
 
ISSUED AT 643 PM CDT WED AUG 5 2026  
 
VFR CONDITIONS ARE FORECAST TO PREVAIL THROUGH THE TAF PERIOD. WINDS  
LARGELY BECOME LIGHT AND VARIABLE THIS EVENING AND TONIGHT WITH  
SOME PASSING HIGH CLOUDS AT TIMES. EXPECT LLWS TONIGHT INTO  
EARLY THURSDAY MORNING AT KINL, AND POSSIBLY KHIB TOWARDS  
SUNRISE BEFORE WIND GUSTS PICK UP. WINDS PICK BACK UP FROM THE  
SOUTHWEST ON THURSDAY, WITH GUSTS BEGINNING AROUND 14-15Z AND  
PEAKING AROUND 18-25 KT, STRONGEST AT KBRD AND KHIB THURSDAY  
AFTERNOON. LOOK AT SCATTERED MID AND HIGH LEVEL CLOUD COVER ON  
THURSDAY, PARTICULARLY IN NORTHEAST MINNESOTA. ALSO CAN'T RULE  
OUT SOME SMOKE ALOFT IN NORTHEAST MINNESOTA THURSDAY AFTERNOON  
FROM WILDFIRES IN THE WESTERN UNITED STATES AND CANADA. A LOW  
CHANCE FOR ISOLATED SHOWERS/STORMS NEAR KINL THURSDAY AFTERNOON,  
BUT CONFIDENCE IS TOO LOW AT THIS TIME TO INCLUDE MENTION IN THE  
TAF.  
 

 
   
MARINE /FOR NEARSHORE WATERS OF WESTERN LAKE SUPERIOR/
 
 
ISSUED AT 636 PM CDT WED AUG 5 2026  
 
UPDATED AT 428 PM CDT WED AUG 5 2026  
 
SMALL CRAFT ADVISORIES HAVE BEEN ISSUED FOR THE BREEZY SOUTHWEST  
WINDS EXPECTED THURSDAY OVER THE SOUTHWEST ARM AND ALONG THE  
NORTH SHORE. MOST ZONES END THURSDAY EVENING AND AT THIS POINT,  
BUT THE CONTINUED GUSTY WINDS AND ELEVATED WAVE HEIGHTS FORECAST  
INTO FRIDAY DAYTIME KEEP THE GRAND MARAIS TO GRAND PORTAGE ZONES  
IN PLACE THROUGH FRIDAY AFTERNOON.  
 
ISSUED AT 117 PM CDT WED AUG 5 2026  
 
LOCALLY HIGHER WINDS THIS AFTERNOON NEAR GRAND PORTAGE WITH  
GUSTS TO NEAR 20 KTS AND WAVES OF 1 TO 2 FEET. OTHERWISE, LIGHT  
WINDS THIS AFTERNOON WILL BECOME SOUTHWEST AROUND 10 KTS TONIGHT  
ACROSS WESTERN LAKE SUPERIOR. SOUTHWEST WINDS WILL INCREASE  
THROUGH THE DAY ON THURSDAY SUSTAINED AT 10-15 KTS WITH GUSTS TO  
NEAR 20 KTS. HIGHER GUSTS TO NEAR 25 KTS NEAR THE TWIN PORTS ARE  
POSSIBLE (50-70 PERCENT CHANCE) AND A SMALL CRAFT ADVISORY MAY  
BE NEEDED ON THURSDAY. SCATTERED RAIN SHOWERS AND THUNDERSTORMS  
ARE EXPECTED ON FRIDAY.  
 
FOR THE OPEN WATER DISCUSSION, REFER TO THE NWS MARQUETTE AREA  
FORECAST DISCUSSION AT WEATHER.GOV/MQT.  
 

 
   
FIRE WEATHER
 
 
ISSUED AT 117 PM CDT WED AUG 5 2026  
 
THURSDAY WILL BE WARM AND DRY ACROSS NORTHEAST MINNESOTA AND  
NORTHWEST WISCONSIN. AFTERNOON MINIMUM RELATIVE HUMIDITY WILL  
RANGE FROM 30-40 PERCENT ACROSS NORTHWEST WISCONSIN THE I-35  
CORRIDOR, AND INTO THE ARROWHEAD OF MINNESOTA, TO 40-50 PERCENT  
FURTHER WEST INTO NORTH CENTRAL MINNESOTA. THERE IS A DRIER  
SCENARIO WHERE RELATIVE HUMIDITY WOULD FALL IN THE UPPER 20  
PERCENT RANGE FOR NORTHWEST WISCONSIN AND THE ARROWHEAD OF  
MINNESOTA ON THURSDAY. WHILE NOT LIKELY, IF DEEPER MIXING  
OCCURS THURSDAY AFTERNOON, LOWER RELATIVE HUMIDITY WOULD RESULT.  
HIGH TEMPERATURES ON THURSDAY WILL BE IN THE 80S ACROSS THE  
REGION WITH SOUTHWEST WINDS OF 10-15 MPH WITH GUSTS OF 20-23  
MPH.  
 
SEE THE FIRE WEATHER FORECAST PRODUCT FOR A MORE THOROUGH  
BREAKDOWN OF FIRE WEATHER CONDITIONS.  
 

 
   
DLH WATCHES/WARNINGS/ADVISORIES
 
 
MN...NONE.  
WI...NONE.  
MARINE...SMALL CRAFT ADVISORY FROM 10 AM THURSDAY TO 4 PM CDT FRIDAY  
FOR LSZ140.  
SMALL CRAFT ADVISORY FROM 10 AM TO 10 PM CDT THURSDAY FOR  
LSZ141>146.  
 

 
 

 
 
DISCUSSION...PA  
AVIATION...ROTHSTEIN  
MARINE...PA/NLY  
FIRE WEATHER...PA  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab MN Page
The Nexlab WI Page Main Text Page