336
FNUS73 KDLH 081850
FWSDLH
SPOT FORECAST FOR OAK POINT UNIT 4 RX...USFS
NATIONAL WEATHER SERVICE DULUTH MN
150 PM CDT FRI MAY 8 2026
FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON MAY 09.
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
A COLD FRONT RUNS THROUGH THE REGION AND SAGS SOUTH OF THE SITE
SATURDAY MORNING. NORTHWEST WINDS WILL FILTER IN BEHIND THE
BOUNDARY WITH GUSTS AROUND 20-25 MPH THROUGH THE DAY. MIN RHS ARE
EXPECTED TO BOTTOM OUT AROUND 30%. VENTILATION WILL BE EXCELLENT
AT IGNITION TIME.
SATURDAY
SKY/WEATHER.........MOSTLY SUNNY (20-30 PERCENT).
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 52.
MIN HUMIDITY........32 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 10 TO 12 MPH WITH GUSTS TO
AROUND 20 MPH.
MIXING HEIGHT.......5300 FT AGL INCREASING TO 7100 FT AGL IN THE
AFTERNOON.
TRANSPORT WINDS.....NORTHWEST 21 TO 23 MPH.
SMOKE DISPERSAL.....EXCELLENT (74100-95100 KNOT-FT) INCREASING TO
EXCELLENT (114700-141500 KNOT-FT) IN THE
AFTERNOON.
PCPN AMOUNT.........0.00 INCHES.
TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY COVER.......MCR MCR MCR MCR MCR PC PC PC
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0
TEMP............44 46 48 48 51 51 51 52
RH..............47 42 39 37 33 33 33 32
20 FT WIND DIR..NW NW NW NW NW NW NW NW
20 FT WIND SPD..10 11 11 11 11 11 11 11
20 FT WIND GUST.18 19 20 20 20 20 19 20
MIX HGT (KFT)...3.9 4.6 5.3 6.0 6.8 7.1 6.9 6.6
TRANSP WIND DIR.N NW NW NW NW NW NW NW
TRANSP WIND SPD.22 22 21 22 23 23 23 23
SDSPL KT-FT/100074 87 95 115 136 142 137 131
SATURDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY (50-60 PERCENT) THEN BECOMING
PARTLY CLOUDY (25-35 PERCENT).
CHANCE OF PCPN......0 PERCENT.
MIN TEMPERATURE.....AROUND 32.
MAX HUMIDITY........75 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 5 TO 10 MPH WITH GUSTS TO
AROUND 19 MPH IN THE EVENING BECOMING LIGHT.
MIXING HEIGHT.......6300 FT AGL DECREASING TO 700 FT AGL.
TRANSPORT WINDS.....NORTHWEST 15 TO 22 MPH DECREASING TO 9 TO 12
MPH IN THE LATE EVENING AND OVERNIGHT.
SMOKE DISPERSAL.....EXCELLENT (107400-118800 KNOT-FT) DECREASING TO
POOR (3500-10000 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 MCR MCR PC PC PC PC MCR MCR
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............51 50 48 45 42 40 40 39 38 36 35 34
RH..............34 36 39 43 51 57 57 62 64 69 75 75
20 FT WIND DIR..NW NW NW NW NW NW NW NW NW NW NW NW
20 FT WIND SPD..10 9 7 5 4 3 3 3 3 3 3 3
20 FT WIND GUST.19 18 15 14 11 9 9 9 9 9 9 11
MIX HGT (KFT)...6.3 5.7 2.4 1.9 1.0 0.9 0.7 0.5 0.4 0.5 0.6 0.7
TRANSP WIND DIR.NW NW NW NW NW NW N NW NW NW NW NW
TRANSP WIND SPD.22 22 16 15 12 12 12 9 9 10 10 10
SDSPL KT-FT/1000119 107 34 25 10 9 7 4 4 4 5 7
SUNDAY
SKY/WEATHER.........SUNNY (10-20 PERCENT).
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 51.
MIN HUMIDITY........30 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 5 TO 8 MPH.
MIXING HEIGHT.......1700 FT AGL INCREASING TO 6800 FT AGL.
TRANSPORT WINDS.....NORTHWEST 12 TO 16 MPH.
SMOKE DISPERSAL.....POOR TO FAIR (9100-20800 KNOT-FT) INCREASING TO
EXCELLENT (69100-92800 KNOT-FT).
PCPN AMOUNT.........0.00 INCHES.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY COVER.......MCR MCR CLR MCR PC MCR MCR MCR MCR MCR MCR MCR
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............33 34 36 38 40 43 45 46 48 49 49 50
RH..............75 72 64 59 52 45 40 37 34 33 33 32
20 FT WIND DIR..NW NW NW NW NW NW NW NW NW N N N
20 FT WIND SPD..4 4 5 6 6 7 7 8 8 8 8 7
20 FT WIND GUST.11 11 12 13 13 14 14 14 14 14 14 14
MIX HGT (KFT)...0.9 1.7 2.9 4.0 4.9 5.6 6.0 6.3 6.6 6.8 6.7 6.5
TRANSP WIND DIR.NW N NW N N N NW NW NW N N N
TRANSP WIND SPD.12 14 15 16 16 16 16 16 16 15 15 15
SDSPL KT-FT/10009 21 38 56 69 79 85 89 93 88 87 84
FORECASTER...LEE
REQUESTED BY...TYLER BRINK
TYPE OF REQUEST...PRESCRIBED
.TAG 2613015.1/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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