325  
FNUS73 KDLH 200826  
FWSDLH  
 
SPOT FORECAST FOR SUPERIOR SAR...SLCRS  
NATIONAL WEATHER SERVICE DULUTH MN  
326 AM CDT WED AUG 20 2025  
 
FORECAST IS BASED ON FORECAST START TIME OF 0600 CDT ON AUGUST 20.  
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.  
   
DISCUSSION
 
 
A VERY TYPICAL AUGUST DAY WITH PATCHY FOG THIS MORNING. CLOUDS  
WILL CONTINUE TO CLEAR THROUGH THE DAY. HIGHS WILL BE IN THE LOW  
70S WITH NORTHEAST WINDS BETWEEN 5-10 MPH. WAVES WILL REMAIN LESS  
THAN A FOOT. NO PRECIPITATION FOR TODAY.  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT) THEN BECOMING  
SUNNY (20-30 PERCENT). PATCHY DENSE FOG EARLY  
IN THE MORNING.  
CHANCE OF PCPN......0 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
MAX TEMPERATURE.....AROUND 73.  
MIN HUMIDITY........68 PERCENT.  
SURFACE WINDS (MPH).LIGHT WINDS BECOMING NORTHEAST AROUND 6 MPH IN  
THE LATE MORNING AND AFTERNOON.  
CEILING (KFT).......0.9 DECREASING TO 0.6 EARLY IN THE MORNING,  
THEN INCREASING TO 0.9 EARLY IN THE MORNING  
DECREASING TO 0.7 LATE IN THE MORNING  
INCREASING TO 2.1 INCREASING TO 3.1 EARLY IN  
THE AFTERNOON INCREASING TO 6.2 INCREASING TO  
16 EARLY IN THE AFTERNOON INCREASING TO 22  
INCREASING TO 25 LATE IN THE AFTERNOON.  
VISIBILITY (SM).....1.25 INCREASING TO 9.  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY COVER.......MC MC CDY MC MC MC MC PC PC MCR MCR MCR  
WEATHER COV.....PTY PTY PTY  
WEATHER TYPE....FOG FOG FOG  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............62 62 64 65 66 67 68 69 71 71 71 73  
RH..............93 97 93 90 90 87 84 81 73 76 76 68  
SURFACE WND DIR.NE NE NE NE NE NE E E E NE NE NE  
SURFACE WND SPD.3 3 3 3 4 4 4 4 6 6 6 6  
SURFACE WND GST.5 5 5 6 7 7 7 8 8 8 8 8  
CEILING (KFT)...0.9 0.6 0.9 0.9 0.7 2.1 3.1 6.2 16 22 25 25  
VISIBILITY (SM).1.2 1.2 5 6 9 10 10 10 10 10 10 10  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (50-60 PERCENT). PATCHY DENSE FOG  
EARLY IN THE MORNING.  
CHANCE OF PCPN......0 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
MIN TEMPERATURE.....AROUND 58.  
MAX HUMIDITY........100 PERCENT.  
SURFACE WINDS (MPH).NORTHEAST WINDS AROUND 6 MPH EARLY IN THE  
EVENING BECOMING LIGHT.  
CEILING (KFT).......23 DECREASING TO 5.8.  
VISIBILITY (SM).....8 DECREASING TO 5.  
 
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY COVER.......MCR MCR MCR MCR MCR PC PC PC MC MC MC MC  
WEATHER COV..... PTY  
WEATHER TYPE.... FOG  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............71 70 68 65 63 62 61 60 60 60 59 58  
RH..............73 76 81 90 97 97 100 100 100 96 96 100  
SURFACE WND DIR.NE NE NE NE NE NE NE NE NE E E E  
SURFACE WND SPD.6 4 4 4 3 3 3 2 2 2 2 2  
SURFACE WND GST.8 7 7 6 6 5 3  
CEILING (KFT)...25 25 25 25 24 23 21 18 15 11 8.1 5.8  
VISIBILITY (SM).10 10 10 10 10 8 8 8 7 7 6 5  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (45-55 PERCENT). PATCHY DENSE FOG  
EARLY IN THE MORNING. PATCHY DENSE FOG LATE IN  
THE MORNING.  
CHANCE OF PCPN......0 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
MAX TEMPERATURE.....AROUND 80.  
MIN HUMIDITY........62 PERCENT.  
SURFACE WINDS (MPH).LIGHT WINDS BECOMING SOUTH 6 TO 7 MPH IN THE  
AFTERNOON.  
CEILING (KFT).......3.5 DECREASING TO 1.2 EARLY IN THE MORNING,  
THEN INCREASING TO 5.4 EARLY IN THE MORNING  
INCREASING TO 9.7 LATE IN THE MORNING  
INCREASING TO 14.  
VISIBILITY (SM).....3 DECREASING TO 2.00 EARLY IN THE MORNING, THEN  
INCREASING TO 5 EARLY IN THE MORNING INCREASING  
TO 7 LATE IN THE MORNING INCREASING TO 10.  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY COVER.......MC MC MC PC PC PC PC PC PC PC PC PC  
WEATHER COV.....PTY PTY PTY PTY PTY  
WEATHER TYPE....FOG FOG FOG FOG FOG  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............58 59 61 63 67 71 74 75 77 78 78 78  
RH..............100 96 93 90 81 76 69 66 62 62 62 62  
SURFACE WND DIR.SE SE SE SE SE SE S S S S S S  
SURFACE WND SPD.2 2 2 2 3 3 4 6 7 7 7 7  
SURFACE WND GST.3 3 3 3 5 6 8 9 9 10 10 10  
CEILING (KFT)...3.5 1.2 5.4 9.7 14  
VISIBILITY (SM).3 2.0 5 7 10 10 10  
 

 
FORECASTER...LEE  
REQUESTED BY...JUSTIN LEBLANC  
TYPE OF REQUEST...SAR  
.TAG 2520089.5/DLH  
.DELDT 08/20/25  
.FORMATTERVERSION 2.0.0  
.EMAIL NWSDULUTH-SLCRS@NOAA.GOV,7101@SLCRS.ORG  
 
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