994  
FNUS73 KDLH 081626  
FWSDLH  
 
SPOT FORECAST FOR OAK POINT UNIT 4 RX...USFS  
NATIONAL WEATHER SERVICE DULUTH MN  
1126 AM CDT FRI MAY 8 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0800 CDT ON MAY 08.  
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  
 
UPDATE: UPSTREAM OBSERVATIONS ARE SHOWING DRIER CONDITIONS SOONER  
AS CLOUD COVER IS NOT AS EXPANSIVE AS PREVIOUSLY FORECASTED.  
EXPECTING MIN RHS TO REACH 20% AROUND 1PM WITH A FEW GUSTS AROUND  
20 MPH OUT OF THE WEST.  
   
REST OF TODAY  
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT) THEN BECOMING  
PARTLY SUNNY (45-55 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 63.  
MIN HUMIDITY........19 PERCENT.  
WIND (20 FT)........SOUTHWEST WINDS AROUND 5 MPH EARLY IN THE  
MORNING BECOMING LIGHT, THEN BECOMING SOUTHWEST  
AROUND 6 MPH LATE IN THE MORNING SHIFTING TO  
THE NORTHWEST 8 TO 13 MPH.  
MIXING HEIGHT.......700 FT AGL INCREASING TO 7100 FT AGL.  
TRANSPORT WINDS.....WEST 10 TO 18 MPH SHIFTING TO THE NORTHWEST 21  
TO 22 MPH LATE IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (4500 KNOT-FT) INCREASING TO EXCELLENT  
(96100-113900 KNOT-FT).  
PCPN AMOUNT.........0.00 INCHES.  
 
TIME (CDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY COVER.......MC MC PC PC MC MC MC MC MC PC  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0  
TEMP............42 48 53 56 58 61 63 62 62 63  
RH..............57 39 29 25 21 20 19 21 22 23  
20 FT WIND DIR..SW S SW SW W W W W NW NW  
20 FT WIND SPD..4 3 5 6 6 7 9 10 11 12  
20 FT WIND GUST.6 6 8 11 12 14 16 18 20 20  
MIX HGT (KFT)...0.5 0.7 3.3 4.9 6.4 7.1 6.5 6.0 5.8 5.2  
TRANSP WIND DIR.SW W W W W W W W W NW  
TRANSP WIND SPD.10 12 13 15 16 18 18 18 21 22  
SDSPL KT-FT/10005 7 36 64 89 114 104 96 105 99  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY (45-55 PERCENT) THEN BECOMING  
PARTLY CLOUDY (40-50 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (70-80 PERCENT). SLIGHT CHANCE OF  
RAIN SHOWERS OVERNIGHT. CHANCE OF RAIN SHOWERS  
OVERNIGHT, THEN SLIGHT CHANCE OF RAIN SHOWERS  
AFTER 3 AM.  
CHANCE OF PCPN......30 PERCENT.  
MIN TEMPERATURE.....AROUND 36.  
MAX HUMIDITY........76 PERCENT.  
WIND (20 FT)........NORTHWEST WINDS 5 TO 12 MPH WITH GUSTS TO  
AROUND 22 MPH IN THE EVENING BECOMING LIGHT,  
THEN BECOMING NORTHWEST AROUND 5 MPH EARLY IN  
THE MORNING.  
MIXING HEIGHT.......4400 FT AGL DECREASING TO 1500 FT AGL EARLY IN  
THE EVENING.  
TRANSPORT WINDS.....NORTHWEST 14 TO 21 MPH DECREASING TO 8 TO 13  
MPH IN THE LATE EVENING AND OVERNIGHT.  
SMOKE DISPERSAL.....EXCELLENT (79100 KNOT-FT) DECREASING TO POOR TO  
FAIR (2500-17600 KNOT-FT).  
PCPN AMOUNT.........0.00 INCHES.  
 
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY COVER.......MC PC PC PC PC PC MC MC MC MC MC MC  
WEATHER COV..... SCH CHC CHC CHC SCH  
WEATHER TYPE.... RW RW RW RW RW  
TSTM COV........  
CHC OF PCPN (%).0 10 10 10 10 10 20 30 30 30 20 10  
TEMP............63 60 57 51 47 45 43 43 42 40 38 37  
RH..............25 29 33 41 47 51 57 57 60 67 73 72  
20 FT WIND DIR..NW NW NW NW NW NW NW NW NW NW NW NW  
20 FT WIND SPD..11 10 8 5 4 4 4 3 3 3 3 4  
20 FT WIND GUST.22 20 15 14 12 9 11 8 8 8 9 11  
MIX HGT (KFT)...4.4 3.5 1.5 0.7 0.5 0.4 0.4 0.5 0.8 0.7 0.7 0.7  
TRANSP WIND DIR.NW NW NW NW NW NW N NW NW NW N N  
TRANSP WIND SPD.21 20 14 10 8 8 8 8 10 12 13 13  
SDSPL KT-FT/100079 59 18 6 4 3 3 3 7 7 8 8  
   
SATURDAY  
 
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT) THEN BECOMING  
SUNNY (10-20 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 52.  
MIN HUMIDITY........32 PERCENT.  
WIND (20 FT)........NORTHWEST WINDS 6 TO 12 MPH. GUSTS UP TO 22 MPH  
IN THE LATE MORNING AND AFTERNOON.  
MIXING HEIGHT.......2500 FT AGL INCREASING TO 7300 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 13 TO 21 MPH.  
SMOKE DISPERSAL.....POOR (9300 KNOT-FT) INCREASING TO EXCELLENT  
(115200-131300 KNOT-FT).  
PCPN AMOUNT.........0.00 INCHES.  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY COVER.......MC MC PC MCR MCR CLR MCR MCR MCR MCR MCR PC  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............36 36 38 41 43 45 47 49 51 51 52 52  
RH..............75 72 64 55 49 43 40 36 33 33 32 32  
20 FT WIND DIR..NW NW NW NW NW NW NW NW NW NW NW NW  
20 FT WIND SPD..5 6 7 8 10 11 11 11 11 11 11 11  
20 FT WIND GUST.12 13 14 15 18 20 20 20 20 20 20 20  
MIX HGT (KFT)...0.8 1.1 2.5 3.5 4.3 5.0 5.6 6.1 7.1 7.3 7.0 6.8  
TRANSP WIND DIR.N N N NW NW NW NW NW NW NW NW NW  
TRANSP WIND SPD.13 14 17 20 21 21 21 21 21 21 21 20  
SDSPL KT-FT/10009 13 37 60 78 89 101 110 127 131 126 115  
 
 
FORECASTER...LEE  
REQUESTED BY...TYLER BRINK  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2613015.0/DLH  
.DELDT 05/08/26  
.FORMATTERVERSION 2.0.0  
.EMAIL MICHAEL.MACKEY@USDA.GOV,TYLER_BRINK@NPS.GOV,MICHAEL.MCDANIEL@USDA.GOV  
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