773  
FNUS73 KDLH 171253  
FWSDLH  
 
SPOT FORECAST FOR CUBA HILL IMPOUNDMENT RX...USFS  
NATIONAL WEATHER SERVICE DULUTH MN  
753 AM CDT FRI APR 17 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0800 CDT ON APRIL 17.  
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  
 
NORTHWEST WINDS WILL CONTINUE TODAY BEHIND A COLD FRONT, SUSTAINED  
AT 8 TO 14 MPH WITH GUSTS TO AROUND 26 MPH DEVELOPING LATE  
THIS MORNING AND THROUGH THE AFTERNOON. TEMPERATURES WILL STRUGGLE TO  
CLIMB, WITH A HIGH TEMPERATURE AROUND 39. MOSTLY CLOUDY CONDITIONS THIS  
MORNING WILL GIVE WAY TO SOME PERIODS OF SUNSHINE THIS AFTERNOON. THERE  
IS A 40 TO 50 PERCENT CHANCE OF RAIN SHOWERS AND THUNDERSTORMS AFTER 1000.  
A FEW SNOWFLAKES MAY MIX IN LATER THIS AFTERNOON. PRECIPITATION  
AMOUNTS WILL BE HIGHLY DEPENDENT ON WHERE THUNDERSTORMS TRACK.  
   
REST OF TODAY  
 
SKY/WEATHER.........MOSTLY CLOUDY IN THE MORNING, BECOMING PARTLY SUNNY  
IN THE AFTERNOON. SLIGHT CHANCE OF THUNDERSTORMS IN  
THE LATE MORNING AND EARLY AFTERNOON. CHANCE OF SNOW  
EARLY IN THE AFTERNOON.  
CHANCE OF PCPN......50 PERCENT.  
MAX TEMPERATURE.....AROUND 39.  
MIN HUMIDITY........59 PERCENT.  
WIND (20 FT)........NORTHWEST WINDS 8 TO 14 MPH. GUSTS UP TO 26 MPH  
LATE IN THE MORNING AND AFTERNOON. GUSTY AND ERRATIC  
WINDS EXPECTED NEAR THUNDERSTORMS IN THE LATE MORNING  
AND EARLY AFTERNOON.  
MIXING HEIGHT.......3000 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 16 TO 25 MPH INCREASING TO 26 TO 29  
MPH LATE IN THE AFTERNOON.  
SMOKE DISPERSAL.....FAIR TO GOOD (18800-33100 KNOT-FT) INCREASING  
TO EXCELLENT (74200 KNOT-FT).  
PCPN AMOUNT.........0.05 TO 0.25 INCHES.  
 
TIME (CDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY COVER.......MC MC CDY CDY MC MC MC MC MC PC  
WEATHER COV..... CHC CHC CHC CHC CHC CHC  
WEATHER TYPE.... RN RN RN RN RS SN  
TSTM COV........ SCH SCH SCH SCH SCH SCH  
CHC OF PCPN (%).10 10 40 50 50 50 40 30 10 10  
TEMP............39 39 39 33 34 36 33 33 34 33  
RH..............79 76 74 84 80 70 77 68 64 60  
20 FT WIND DIR..NW NW NW NW NW NW NW NW NW NW  
20 FT WIND SPD..5 8 9 10 11 11 12 12 13 13  
20 FT WIND GUST.14 16 16 19 20 20 23 23 23 23  
MIX HGT (KFT)...1.3 1.6 1.7 1.8 1.8 2.0 2.0 2.4 2.4 3.0  
TRANSP WIND DIR.NW NW NW NW NW NW NW NW NW NW  
TRANSP WIND SPD.16 17 17 21 21 24 25 26 29 29  
SDSPL KT-FT/100019 24 25 32 33 42 43 55 59 74  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT).  
CHANCE OF PCPN......10 PERCENT.  
MIN TEMPERATURE.....AROUND 22.  
MAX HUMIDITY........64 PERCENT.  
WIND (20 FT)........NORTHWEST WINDS 12 TO 15 MPH WITH GUSTS TO  
AROUND 23 MPH.  
MIXING HEIGHT.......4100 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 25 TO 31 MPH.  
SMOKE DISPERSAL.....EXCELLENT (71900-107800 KNOT-FT).  
PCPN AMOUNT.........0.00 INCHES.  
 
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY COVER.......MC MC MC MC MC MC MC MC MC MC MC MC  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).10 0 0 0 10 0 0 10 0 0 0 0  
TEMP............33 31 29 29 28 27 26 25 24 24 23 23  
RH..............59 60 62 61 60 59 60 62 59 60 63 60  
20 FT WIND DIR..NW NW NW NW NW NW NW NW NW NW NW NW  
20 FT WIND SPD..15 13 13 12 11 11 11 11 11 11 12 12  
20 FT WIND GUST.23 23 23 23 22 22 22 22 23 23 23 23  
MIX HGT (KFT)...3.3 3.5 3.7 3.8 3.8 3.5 3.1 3.0 3.6 3.9 3.9 4.1  
TRANSP WIND DIR.NW NW NW NW NW NW NW NW NW NW NW NW  
TRANSP WIND SPD.30 31 30 29 28 25 26 28 30 30 30 30  
SDSPL KT-FT/100086 94 97 95 91 77 72 72 94 100 102 108  
   
SATURDAY  
 
SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 36.  
MIN HUMIDITY........34 PERCENT.  
WIND (20 FT)........NORTHWEST WINDS 12 TO 14 MPH WITH GUSTS TO  
AROUND 25 MPH.  
MIXING HEIGHT.......5700 FT AGL INCREASING TO 7100 FT AGL LATE IN  
THE AFTERNOON.  
TRANSPORT WINDS.....NORTHWEST 29 TO 32 MPH.  
SMOKE DISPERSAL.....EXCELLENT (104200-136300 KNOT-FT) INCREASING TO  
EXCELLENT (194700 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 MC MC MC MC MC MC MC MC MC MC  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............22 22 23 23 25 27 30 31 33 34 35 36  
RH..............61 61 60 59 54 50 42 41 37 36 35 34  
20 FT WIND DIR..NW NW NW NW NW NW NW NW NW NW NW NW  
20 FT WIND SPD..11 12 12 13 13 13 13 13 13 13 13 12  
20 FT WIND GUST.23 23 23 25 25 25 25 25 23 23 23 23  
MIX HGT (KFT)...4.1 3.9 4.0 4.2 4.5 4.8 5.2 5.7 6.2 6.7 7.0 7.1  
TRANSP WIND DIR.NW NW NW NW NW NW NW NW NW NW NW NW  
TRANSP WIND SPD.32 31 30 29 29 29 30 31 32 32 32 32  
SDSPL KT-FT/1000114 104 105 106 112 120 136 154 174 188 195 198  
 
 
FORECASTER...PATRICK  
REQUESTED BY...JOE KAUFMANN  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2610460.0/DLH  
.DELDT 04/17/26  
.FORMATTERVERSION 2.0.0  
.EMAIL JOSEPH.KAUFMANN@USDA.GOV  
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