062  
FNUS73 KDLH 262003  
FWSDLH  
 
SPOT FORECAST FOR LINE 5 INCIDENT...SUPERIOR FIRE DEPARTMENT HAZMAT  
NATIONAL WEATHER SERVICE DULUTH MN  
303 PM CDT WED AUG 26 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 1500 CDT ON AUGUST 26.  
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  
 
GENERAL OUTLOOK: A FEW SHOWERS THIS EVENING, THEN CLEARING OUT.  
BREEZY NORTHWEST WINDS BECOMING LIGHTER AND MORE WESTERLY  
TONIGHT. WINDS BECOME NORTHWESTERLY AGAIN THURSDAY WITH SUNNY  
SKIES. WIND SPEEDS LESS THAN 10 MPH.  
 
8-HOUR OUTLOOK (~11 PM): TEMPERATURE AROUND 60 DEGREES, LIGHT WEST  
WINDS, MOSTLY CLEAR SKIES. RH AROUND 100%.  
 
12-HOUR OUTLOOK (~3 AM): TEMPERATURE AROUND 55-56 DEGREES, LIGHT  
WEST WINDS, MOSTLY CLEAR SKIES. RH AROUND 100%.  
 
16-HOUR OUTLOOK (~7 AM): TEMPERATURE AROUND 54-56 DEGREES, LIGHT  
WEST TO NORTHWEST WINDS, MOSTLY CLEAR SKIES. RH AROUND 95-100%.  
 
   
REST OF TODAY  
 
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS.  
CHANCE OF PCPN......20 PERCENT.  
MAX TEMPERATURE.....AROUND 75.  
MIN HUMIDITY........64 PERCENT.  
SURFACE WINDS (MPH).NORTHWEST WINDS 9 TO 10 MPH WITH GUSTS TO  
AROUND 23 MPH.  
 
TIME (CDT) 3PM 4PM 5PM  
SKY COVER.......PC PC PC  
WEATHER COV.....SCH SCH SCH  
WEATHER TYPE....RW RW RW  
TSTM COV........SCH SCH SCH  
CHC OF PCPN (%).20 20 20  
TEMP............72 73 73  
RH..............69 66 66  
SURFACE WND DIR.NW NW NW  
SURFACE WND SPD.10 10 10  
SURFACE WND GST.23 22 21  
   
TONIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY (20-30 PERCENT). SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS EARLY IN THE EVENING.  
CHANCE OF PCPN......20 PERCENT.  
MIN TEMPERATURE.....AROUND 54.  
MAX HUMIDITY........100 PERCENT.  
SURFACE WINDS (MPH).WEST WINDS 6 TO 9 MPH IN THE EVENING BECOMING  
LIGHT.  
 
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY COVER.......PC PC PC MCR PC MCR MCR MCR MCR MCR MCR MCR  
WEATHER COV.....SCH  
WEATHER TYPE....RW  
TSTM COV........SCH  
CHC OF PCPN (%).20 10 0 0 0 0 0 0 0 0 0 0  
TEMP............74 72 69 63 62 60 59 58 57 56 55 54  
RH..............64 68 78 93 93 100 100 100 100 100 100 100  
SURFACE WND DIR.NW NW NW W W W W W W W W W  
SURFACE WND SPD.9 7 6 6 6 4 4 3 3 3 3 2  
SURFACE WND GST.18 17 15 14 14 13 10 9 8 7 7 6  
   
THURSDAY  
 
SKY/WEATHER.........SUNNY (20-30 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 73.  
MIN HUMIDITY........53 PERCENT.  
SURFACE WINDS (MPH).LIGHT WINDS BECOMING NORTH 6 TO 7 MPH IN THE  
LATE MORNING AND AFTERNOON, THEN BECOMING LIGHT  
LATE IN THE AFTERNOON.  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY COVER.......PC MCR PC PC PC PC PC MCR MCR MCR CLR CLR  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............54 54 57 60 65 67 68 69 71 71 71 72  
RH..............100 100 96 90 78 70 65 61 57 55 55 53  
SURFACE WND DIR.W W W NW N N N N N N N N  
SURFACE WND SPD.2 2 2 3 4 6 6 7 7 6 4 3  
SURFACE WND GST.5 5 6 7 8 9 12 13 12 12 10 9  
 
 
FORECASTER...JOSH  
REQUESTED BY...JALON SVENTEK  
TYPE OF REQUEST...HAZMAT  
.TAG 2620620.0/DLH  
.DELDT 08/26/26  
.FORMATTERVERSION 2.0.0  
.EMAIL SVENTEK.J@SUPERIORWI.GOV  
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab MN Page
The Nexlab WI Page
Main Text Page