273  
FNUS73 KDLH 061959  
FWSDLH  
 
SPOT FORECAST FOR BIRCH BAY FIRE...USFS  
NATIONAL WEATHER SERVICE DULUTH MN  
259 PM CDT SAT JUN 6 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 1500 CDT ON JUNE 06.  
IF THERE ARE QUESTIONS OR CONCERNS WITH THIS FORECAST, OR IF  
CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL  
WEATHER SERVICE IN DULUTH AT 218-729-0653.  
 
...FIRE WEATHER WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH  
SUNDAY EVENING...  
   
DISCUSSION
 
 
GENERALLY QUIET WEATHER FOR THE WEEKEND WITH MOSTLY SUNNY SKIES  
AND WARM TEMPERATURES. RH VALUES SO FAR TODAY HAVE DIPPED TO 38  
PERCENT SO FAR AT MEANDER RAWS, AND IT IS LIKELY THEY WILL DROP  
STILL FARTHER THIS AFTERNOON. THE LOW 30 RH VALUES MAY BE A BIT  
TOO LOW, BUT MID 30S IS QUITE LIKELY. HOWEVER, LIGHT AND VARIABLE  
WINDS TODAY AS HIGH PRESSURE SITS OVER THE REGION LEADING TO  
REDUCED FIRE WEATHER CONCERNS. TOMORROW, WINDS INCREASE OUT OF THE  
SOUTHEAST WITH ANOTHER WARM DAY ON TAP. WHILE TEMPERATURES DO  
WARM, DEW POINTS WILL ALSO INCREASE A BIT TO HELP REGULATE THE  
RHS. NOT EXPECTING TO HIT RED FLAG CRITERIA AT THIS TIME BUT OUR  
FIRE WEATHER WATCH MAY NEED TO BE MOVED TO SPECIAL WEATHER  
STATEMENT FOR NEAR CRITICAL FIRE WEATHER CONDITIONS. RAIN CHANCES  
RETURN LATE SUNDAY AND PERSIST THROUGH MONDAY.  
   
REST OF TODAY
 
 
SKY/WEATHER.........SUNNY (0-10 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 83.  
MIN HUMIDITY........31 PERCENT.  
WIND (20 FT)........LIGHT WINDS.  
MIXING HEIGHT.......5300 FT AGL.  
TRANSPORT WINDS.....NORTH 6 TO 8 MPH.  
SMOKE DISPERSAL.....FAIR TO GOOD (25500-36900 KNOT-FT).  
PCPN AMOUNT.........0.00 INCHES.  
 
TIME (CDT) 3PM 4PM 5PM  
SKY COVER.......MCR CLR CLR  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0  
TEMP............76 79 83  
RH..............45 37 31  
20 FT WIND DIR..N N N  
20 FT WIND SPD..4 3 2  
20 FT WIND GUST.11 9 6  
MIX HGT (KFT)...5.3 5.2 5.1  
TRANSP WIND DIR.N N N  
TRANSP WIND SPD.8 7 6  
SDSPL KT-FT/100037 31 26  
   
TONIGHT
 
 
SKY/WEATHER.........CLEAR (0-5 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MIN TEMPERATURE.....AROUND 53.  
MAX HUMIDITY........84 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST 5 TO 6 MPH IN  
THE LATE EVENING AND OVERNIGHT.  
MIXING HEIGHT.......4900 FT AGL DECREASING TO 600 FT AGL EARLY IN  
THE EVENING.  
TRANSPORT WINDS.....NORTHEAST AROUND 3 MPH SHIFTING TO THE  
SOUTHEAST 3 TO 9 MPH EARLY IN THE EVENING, THEN  
SHIFTING TO THE SOUTH 10 TO 12 MPH LATE IN THE  
EVENING.  
SMOKE DISPERSAL.....POOR TO FAIR (1800-14700 KNOT-FT).  
PCPN AMOUNT.........0.00 INCHES.  
 
TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM  
SKY COVER.......CLEAR CLEAR CLEAR CLEAR CLEAR CLEAR  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE NONE  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0  
TEMP............82 77 66 62 57 55  
RH..............32 48 65 78 83 80  
20 FT WIND......NE 2 E 2 SE 4 S 5 S 5 SE 4  
20 FT WIND GUST.5 5 9 12 12 11  
MIX HGT (FT)....4900 600 500 500 500 400  
TRANSPORT WIND..N 3 E 3 SE 9 S 10 S 10 S 10  
SDSPL KT-FT/100015 2 4 4 4 4  
   
SUNDAY
 
 
SKY/WEATHER.........SUNNY (5-15 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 82.  
MIN HUMIDITY........35 PERCENT.  
WIND (20 FT)........SOUTHEAST WINDS 6 TO 10 MPH.  
MIXING HEIGHT.......2300 FT AGL INCREASING TO 4900 FT AGL LATE IN  
THE MORNING.  
TRANSPORT WINDS.....SOUTH 12 TO 20 MPH.  
SMOKE DISPERSAL.....POOR TO FAIR (4500-24200 KNOT-FT) INCREASING TO  
EXCELLENT (60000-77700 KNOT-FT).  
PCPN AMOUNT.........0.00 INCHES.  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY COVER.......CLR CLR CLR CLR CLR CLR CLR CLR CLR CLR CLR MCR  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............56 59 64 70 74 77 79 80 82 82 82 82  
RH..............80 72 63 55 48 42 38 38 37 37 35 37  
20 FT WIND DIR..SE SE SE SE SE SE SE SE SE SE SE SE  
20 FT WIND SPD..6 6 7 8 9 9 10 10 10 10 10 10  
20 FT WIND GUST.12 13 14 14 15 15 15 15 16 16 16 18  
MIX HGT (KFT)...0.5 0.6 1.2 1.7 2.3 3.2 4.0 4.7 4.9 4.7 4.6 4.3  
TRANSP WIND DIR.S S SE S S S S S S S S S  
TRANSP WIND SPD.12 12 15 16 16 16 17 17 18 18 20 20  
SDSPL KT-FT/10005 6 15 24 33 45 60 70 78 76 77 73  
 

 
FORECASTER...LINDA  
REQUESTED BY...JEB BACKE  
TYPE OF REQUEST...WILDFIRE  
.TAG 2614806.13/DLH  
.DELDT 06/06/26  
.FORMATTERVERSION 2.0.0  
.EMAIL BRINKMANJ@STLOUISCOUNTYMN.GOV,BENJAMIN_EVANS@FIRENET.GOV,JEB.BACKE@USDA.GOV,JAYEA@STLOUISCOUNTYMN.GOV  
 
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