096  
FNUS73 KDLH 102307  
FWSDLH  
 
SPOT FORECAST FOR JULY LIGHTNING EVENT...MN DNR  
NATIONAL WEATHER SERVICE DULUTH MN  
607 PM CDT FRI JUL 10 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 0800 CDT ON JULY 11.  
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.  
   
..HEAT ADVISORY IN EFFECT FROM 11 AM TO 9 PM CDT SATURDAY
 
 
   
DISCUSSION
 
 
SATURDAY WILL HAVE SLIGHTLY MORE MOISTURE THAN TODAY, WITH RH  
VALUES MAINLY IN THE 40-50% RANGE. HOWEVER, THERE IS A CHANCE  
THAT RH AS LOW AS 35% MAY OCCUR AT PEAK HEATING IN THE AFTERNOON.  
SUNDAY WILL BE DRIER, AND COULD REACH AS LOW AS 30%. OTHERWISE,  
CONDITIONS WILL BE HOT, WITH HIGHS APPROACHING 90 BOTH DAYS. A  
HEAT ADVISORY IS ALREADY OUT FOR SATURDAY, AND SUNDAY WILL  
EVENTUALLY NEED ONE AS WELL. THE CHANCE FOR ANY PRECIPITATION IS  
VERY LOW.  
   
SATURDAY
 
 
SKY/WEATHER.........SUNNY (15-25 PERCENT).  
CHANCE OF PCPN......10 PERCENT.  
MAX TEMPERATURE.....AROUND 89.  
MIN HUMIDITY........45 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST 5 TO 6 MPH LATE  
IN THE MORNING.  
MIXING HEIGHT.......1400 FT AGL INCREASING TO 5800 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 7 TO 12 MPH.  
SMOKE DISPERSAL.....POOR TO FAIR (4600-23600 KNOT-FT) INCREASING TO  
GOOD (44500-57200 KNOT-FT).  
PCPN AMOUNT.........0.00 INCHES.  
 
TIME (CDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY COVER.......MCR MCR MCR MCR MCR PC PC PC MCR MCR  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 10 10 10 10 10 10 10  
TEMP............68 73 80 83 85 87 88 89 88 88  
RH..............93 79 65 57 53 50 48 45 45 47  
20 FT WIND DIR..SW SW SW SW SW SW SW SW SW SW  
20 FT WIND SPD..2 2 3 4 5 5 5 5 5 4  
20 FT WIND GUST.6 7 8 9 11 12 13 13 13 12  
MIX HGT (KFT)...0.8 1.4 3.4 4.6 5.1 5.8 5.7 4.9 5.5 5.3  
TRANSP WIND DIR.W SW SW SW SW SW SW SW SW SW  
TRANSP WIND SPD.7 7 8 9 10 10 12 10 12 10  
SDSPL KT-FT/10005 8 24 37 46 53 57 45 55 48  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).  
CHANCE OF PCPN......10 PERCENT.  
MIN TEMPERATURE.....AROUND 66.  
MAX HUMIDITY........97 PERCENT.  
WIND (20 FT)........SOUTHWEST WINDS AROUND 5 MPH EARLY IN THE  
EVENING BECOMING LIGHT.  
MIXING HEIGHT.......4100 FT AGL DECREASING TO 700 FT AGL EARLY IN  
THE EVENING.  
TRANSPORT WINDS.....SOUTHWEST 9 TO 12 MPH.  
SMOKE DISPERSAL.....FAIR TO GOOD (21000-36800 KNOT-FT) DECREASING  
TO POOR (4100 KNOT-FT) EARLY IN THE EVENING.  
PCPN AMOUNT.........0.00 INCHES.  
 
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY COVER.......MCR MCR MCR MCR MCR MCR CLR CLR CLR MCR MCR MCR  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).10 10 10 10 10 10 0 0 0 0 0 0  
TEMP............87 86 84 77 73 72 71 70 69 68 67 67  
RH..............50 51 55 74 84 84 90 90 93 97 97 97  
20 FT WIND DIR..SW SW SW S S S S S S S S S  
20 FT WIND SPD..4 4 4 3 3 3 3 3 3 3 3 3  
20 FT WIND GUST.12 11 11 11 11 11 12 12 13 13 14 14  
MIX HGT (KFT)...4.1 2.6 0.7 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5  
TRANSP WIND DIR.SW SW SW SW S S SW SW SW SW SW S  
TRANSP WIND SPD.10 9 9 10 10 12 12 12 10 10 10 10  
SDSPL KT-FT/100037 21 5 5 4 5 5 5 4 4 4 4  
   
SUNDAY
 
 
SKY/WEATHER.........SUNNY (0-10 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 97.  
MIN HUMIDITY........34 PERCENT.  
WIND (20 FT)........SOUTHWEST WINDS 5 TO 9 MPH. GUSTS UP TO 22 MPH  
LATE IN THE AFTERNOON.  
MIXING HEIGHT.......2400 FT AGL INCREASING TO 6500 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 12 TO 18 MPH.  
SMOKE DISPERSAL.....POOR TO FAIR (4900-22500 KNOT-FT) INCREASING TO  
EXCELLENT (64500-103700 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 MCR MCR MCR MCR MCR CLR CLR CLR  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............67 70 73 78 84 88 91 93 95 96 96 96  
RH..............97 90 84 74 61 52 45 41 37 35 34 34  
20 FT WIND DIR..S S SW SW SW SW SW SW SW SW SW SW  
20 FT WIND SPD..4 4 4 4 5 6 6 7 8 9 9 9  
20 FT WIND GUST.14 14 14 14 14 14 15 16 18 19 20 20  
MIX HGT (KFT)...0.5 0.9 1.4 1.9 2.4 3.3 4.3 5.2 6.0 6.5 6.5 5.6  
TRANSP WIND DIR.S SW SW SW SW SW SW SW SW SW SW SW  
TRANSP WIND SPD.12 14 13 14 16 17 17 17 18 18 18 17  
SDSPL KT-FT/10005 11 16 23 34 50 65 78 96 104 103 85  
 

 
FORECASTER...KRYSTAL  
REQUESTED BY...JOE WEFLEN  
TYPE OF REQUEST...WILDFIRE  
.TAG 2617173.0/DLH  
.DELDT 07/10/26  
.FORMATTERVERSION 2.0.0  
.EMAIL JOSEPH.WEFLEN@STATE.MN.US  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab MN Page
The Nexlab WI Page Main Text Page