829  
FNUS73 KDLH 191647  
FWSDLH  
 
SPOT FORECAST FOR SUPERIOR SAR...SLCRS  
NATIONAL WEATHER SERVICE DULUTH MN  
1147 AM CDT TUE AUG 19 2025  
 
FORECAST IS BASED ON FORECAST START TIME OF 1200 CDT ON AUGUST 19.  
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  
 
GRADUALLY DECREASING CLOUDS THIS AFTERNOON WITH A VERY LOW CHANCE  
(20 PERCENT) FOR AN AFTERNOON SHOWER OR STORM, WITH VERY SPOTTY  
COVERAGE OF PRECIPITATION EXPECTED. CLOUDS WILL REMAIN LOW WITH  
CEILINGS OF 800 TO 1,000 FEET, IMPROVING THROUGH THE AFTERNOON.  
WINDS WILL BE LIGHT OUT OF THE NORTHWEST AT 5 TO 10 MPH. ANOTHER  
ROUND OF FOG IS EXPECTED TONIGHT, CAUSING VISIBILITIES BY DAYBREAK  
WEDNESDAY TO BE A QUARTER MILE OR LESS IN SOME SPOTS. ON WEDNESDAY  
THE MORNING FOG WILL LIFT THROUGH THE MORNING LEADING TO SUNNY  
SKIES BY THE AFTERNOON. WARMER WEDNESDAY WITH HIGHS APPROACHING 80  
AND DEW POINTS NEAR 60, FEELING HUMID.  
 
   
REST OF TODAY  
 
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT). SLIGHT CHANCE OF  
THUNDERSTORMS EARLY IN THE AFTERNOON. SLIGHT  
CHANCE OF DRIZZLE LATE IN THE AFTERNOON.  
CHANCE OF PCPN......20 PERCENT.  
CHANCE OF THUNDER...17 PERCENT.  
MAX TEMPERATURE.....AROUND 78.  
MIN HUMIDITY........69 PERCENT.  
SURFACE WINDS (MPH).LIGHT WINDS BECOMING NORTH AROUND 6 MPH LATE IN  
THE AFTERNOON.  
CEILING (KFT).......1.0 INCREASING TO 9.1.  
VISIBILITY (SM).....9.  
 
TIME (CDT) 12P 1PM 2PM 3PM 4PM 5PM  
SKY COVER.......MC MC MC PC PC PC  
WEATHER COV..... SCH SCH SCH SCH  
WEATHER TYPE.... DZL DZL DZL DZL  
TSTM COV........ SCH SCH SCH  
CHC OF PCPN (%).20 20 20 20 20 10  
CHC OF THDR (%).10 20 20 20 10 10  
TEMP............71 73 75 75 76 78  
RH..............84 81 76 76 74 69  
SURFACE WND DIR.W W W NW N N  
SURFACE WND SPD.3 4 4 4 6 6  
SURFACE WND GST.7 8 8 9 9 10  
CEILING (KFT)...1.0 1.9 4.7 5.3 6.7 9.1  
VISIBILITY (SM).9 10 10 10 10 10  
   
TONIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (45-55 PERCENT).  
CHANCE OF PCPN......10 PERCENT.  
CHANCE OF THUNDER...3 PERCENT.  
MIN TEMPERATURE.....AROUND 59.  
MAX HUMIDITY........100 PERCENT.  
SURFACE WINDS (MPH).NORTHEAST WINDS AROUND 6 MPH EARLY IN THE  
EVENING BECOMING LIGHT.  
CEILING (KFT).......9.3 INCREASING TO 11 EARLY IN THE EVENING, THEN  
INCREASING TO 17 LATE IN THE EVENING DECREASING  
TO 13 OVERNIGHT DECREASING TO 6.8 DECREASING TO  
2.1 AFTER 3 AM.  
VISIBILITY (SM).....10 DECREASING TO 7 LATE IN THE EVENING.  
 
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY COVER.......PC PC PC PC PC PC PC PC PC PC PC MC  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).10 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............76 74 72 67 65 64 64 63 62 61 60 60  
RH..............74 79 84 97 100 100 100 100 100 100 100 100  
SURFACE WND DIR.N NE NE NE NE N N N N N NE NE  
SURFACE WND SPD.6 6 6 4 3 3 3 2 2 3 3 2  
SURFACE WND GST.10 10 9 8 7 6 5 5 5 5 5 3  
CEILING (KFT)...9.3 9.6 11 11 17 17 14 13 6.8 2.3 2.2 2.1  
VISIBILITY (SM).10 10 10 10 10 8 7 7 7 7 7 7  
   
WEDNESDAY  
 
SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
CHANCE OF THUNDER...2 PERCENT.  
MAX TEMPERATURE.....AROUND 77.  
MIN HUMIDITY........62 PERCENT.  
SURFACE WINDS (MPH).LIGHT WINDS BECOMING EAST AROUND 6 MPH IN THE  
AFTERNOON.  
CEILING (KFT).......1.8 INCREASING TO 25.  
VISIBILITY (SM).....7 INCREASING TO 9 IN THE LATE MORNING AND  
AFTERNOON.  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY COVER.......MC MC MC MC MC PC PC PC PC MCR MCR MCR  
WEATHER COV.....  
WEATHER TYPE....  
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............59 61 63 65 68 70 72 73 74 76 76 75  
RH..............100 100 97 93 87 78 73 71 69 62 62 64  
SURFACE WND DIR.NE NE NE NE NE NE E E E E E E  
SURFACE WND SPD.2 2 2 2 3 3 4 4 4 6 6 6  
SURFACE WND GST.3 3 5 5 6 6 7 8 8 8 8 9  
CEILING (KFT)...1.9 1.8 2.6 3.3 4.1 8.2 12 17 19 22 25 25  
VISIBILITY (SM).7 7 7 7 9 10 10 10 10 10 10 10  
 
 
FORECASTER...JOE  
REQUESTED BY...JUSTIN LEBLANC  
TYPE OF REQUEST...SAR  
.TAG 2520089.4/DLH  
.DELDT 08/19/25  
.FORMATTERVERSION 2.0.0  
.EMAIL 7101@SLCRS.ORG,NWSDULUTH-SLCRS@NOAA.GOV  
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