891  
FNUS73 KDLH 042028  
FWSDLH  
 
SPOT FORECAST FOR ILLGEN FALLS SAR...SLCRS  
NATIONAL WEATHER SERVICE DULUTH MN  
328 PM CDT FRI JUL 4 2025  
 
FORECAST IS BASED ON FORECAST START TIME OF 1600 CDT ON JULY 04.  
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  
 
WARM AND HUMID CONDITIONS EXPECTED THIS AFTERNOON INTO THE EVENING,  
WITH SOUTHEAST ONSHORE WINDS BECOMING SOUTHWESTERLY INLAND, AT  
6-8MPH THIS AFTERNOON, DECREASING THROUGH THE EVENING HOURS.  
 
CHANCES FOR RAIN AND THUNDERSTORMS INCREASE AFTER 8PM AS A LINE OF  
STRONG TO SEVERE STORMS MOVES NORTHWEST TO SOUTHEAST INTO THE AREA.  
HEAVY RAINFALL, FREQUENT LIGHTNING, AND STRONG WINDS ARE POSSIBLE.  
A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 9PM CDT. RAINFALL  
AMOUNTS FROM 8PM THROUGH 7AM SATURDAY OF 1-2 INCHES ARE POSSIBLE.  
RAIN AND THUNDERSTORMS ARE EXPECTED TO CONTINUE OVERNIGHT INTO  
SATURDAY MORNING.  
   
TONIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (70-80 PERCENT). CHANCE OF  
SHOWERS AND THUNDERSTORMS IN THE EVENING, THEN  
SHOWERS AND THUNDERSTORMS LIKELY OVERNIGHT.  
CHANCE OF PCPN......70 PERCENT.  
CHANCE OF THUNDER...69 PERCENT.  
MIN TEMPERATURE.....AROUND 63.  
MAX HUMIDITY........100 PERCENT.  
SURFACE WINDS (MPH).SOUTHWEST WINDS AROUND 6 MPH EARLY IN THE  
EVENING BECOMING LIGHT.  
CEILING (KFT).......22 DECREASING TO 3.2.  
VISIBILITY (SM).....9 DECREASING TO 8 AFTER 3 AM.  
 
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY COVER.......PC MC MC MC MC MC MC MC CDY CDY CDY CDY  
WEATHER COV..... SCH CHC SCH CHC CHC CHC CHC CHC LKY CHC  
WEATHER TYPE.... RW RW RW RW RW RW RW RW RW RW  
TSTM COV........ SCH CHC SCH CHC CHC CHC CHC CHC LKY CHC  
CHC OF PCPN (%).10 10 20 30 20 30 30 40 50 50 70 50  
CHC OF THDR (%).10 10 20 30 20 30 30 40 50 50 70 50  
TEMP............78 78 75 72 71 71 70 69 69 67 67 66  
RH..............64 64 71 79 81 79 81 84 84 90 90 93  
SURFACE WND DIR.S S SW SW SW SW W W W NW NW W  
SURFACE WND SPD.6 6 4 4 3 3 3 4 4 4 3 3  
SURFACE WND GST.14 14 13 10 9 10 10 12 10 9 8 8  
CEILING (KFT)...25 25 24 22 23 19 18 13 8.3 7.0 5.0 3.2  
VISIBILITY (SM).10 10 10 10 10 10 10 10 9 9 8 8  
   
SATURDAY  
 
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). SHOWERS AND  
THUNDERSTORMS.  
CHANCE OF PCPN......100 PERCENT.  
CHANCE OF THUNDER...96 PERCENT.  
MAX TEMPERATURE.....AROUND 77.  
MIN HUMIDITY........64 PERCENT.  
SURFACE WINDS (MPH).LIGHT WINDS BECOMING NORTH AROUND 6 MPH LATE IN  
THE AFTERNOON.  
CEILING (KFT).......1.5 DECREASING TO 1.0 EARLY IN THE MORNING,  
THEN DECREASING TO 0.7 EARLY IN THE MORNING  
DECREASING TO 0.5 LATE IN THE MORNING  
DECREASING TO 0.4 INCREASING TO 0.5 LATE IN THE  
MORNING INCREASING TO 1.1 INCREASING TO 1.7  
EARLY IN THE AFTERNOON INCREASING TO 2.5  
INCREASING TO 3.3 LATE IN THE AFTERNOON  
INCREASING TO 9.3.  
VISIBILITY (SM).....5 DECREASING TO 4 LATE IN THE MORNING, THEN  
INCREASING TO 6 EARLY IN THE AFTERNOON  
INCREASING TO 8 LATE IN THE AFTERNOON.  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY COVER.......CDY CDY CDY MC MC CDY MC MC CDY MC MC MC  
WEATHER COV.....CHC LKY DEF LKY DEF DEF DEF DEF DEF LKY CHC CHC  
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW  
TSTM COV........CHC LKY DEF LKY DEF DEF DEF DEF DEF LKY CHC CHC  
CHC OF PCPN (%).50 70 80 70 90 90 100 100 90 70 30 30  
CHC OF THDR (%).50 70 80 70 90 90 100 100 90 70 30 30  
TEMP............64 67 68 69 71 72 73 74 74 74 75 75  
RH..............100 97 97 93 87 84 79 76 79 79 74 69  
SURFACE WND DIR.SW S SW W W W W W W NW N N  
SURFACE WND SPD.3 3 3 3 4 4 4 4 4 6 6 6  
SURFACE WND GST.8 8 8 9 9 9 9 9 10 12 14 15  
CEILING (KFT)...1.5 1.0 0.7 0.5 0.4 0.5 1.1 1.7 2.5 3.3 4.1 9.3  
VISIBILITY (SM).6 6 5 4 4 4 6 7 8 9 10 10  
   
SATURDAY NIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY (55-65 PERCENT) THEN BECOMING  
PARTLY CLOUDY (25-35 PERCENT). AREAS OF SMOKE  
EARLY IN THE EVENING. CHANCE OF THUNDERSTORMS  
EARLY IN THE EVENING. CHANCE OF SHOWERS IN THE  
EVENING.  
CHANCE OF PCPN......30 PERCENT.  
CHANCE OF THUNDER...25 PERCENT.  
MIN TEMPERATURE.....AROUND 58.  
MAX HUMIDITY........76 PERCENT.  
SURFACE WINDS (MPH).NORTH WINDS AROUND 6 MPH.  
CEILING (KFT).......15 INCREASING TO 23.  
VISIBILITY (SM).....10 IN THE EVENING.  
 
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY COVER.......MC MC MC PC PC PC PC MCR MCR MCR MCR MCR  
WEATHER COV.....CHC CHC CHC CHC CHC CHC CHC  
WEATHER TYPE....RW RW RW RW RW RW RW  
TSTM COV........CHC  
CHC OF PCPN (%).30 30 30 30 30 30 30 10 10 10 10 10  
CHC OF THDR (%).30 10 10 10 0 0 0 0 0 0 0 0  
TEMP............76 75 73 69 67 65 64 64 63 62 61 61  
RH..............66 64 66 70 70 73 72 70 71 73 75 76  
SURFACE WND DIR.N N N N N N N N N N N N  
SURFACE WND SPD.6 6 6 6 6 6 6 6 6 6 6 6  
SURFACE WND GST.16 17 17 17 17 17 18 18 18 17 16 16  
CEILING (KFT)...15 20 21 23 24  
VISIBILITY (SM).10 10 10 10 10  
 
 
FORECASTER...HOLLY  
REQUESTED BY...JUSTIN LEBLANC  
TYPE OF REQUEST...SAR  
.TAG 2517338.0/DLH  
.DELDT 07/04/25  
.FORMATTERVERSION 2.0.0  
.EMAIL NWSDULUTH-SLCRS@NOAA.GOV  
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