993  
FNUS73 KDLH 271035  
FWSDLH  
 
SPOT FORECAST FOR TWIN AREA RX...USFS  
NATIONAL WEATHER SERVICE DULUTH MN  
535 AM CDT SUN SEP 27 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON SEPTEMBER 27.  
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  
 
MORNING CLOUDS AND SHOWERS WILL RESULT IN MINIMUM RELATIVE  
HUMIDITY VALUES STAYING ABOVE 60 PERCENT FOR THIS AFTERNOON. ONCE  
THE SHOWERS CLEAR OUT OF THE AREA, WE SHOULD GET CLEARING SKIES  
LATER TODAY. SOUTHWEST WINDS THIS MORNING GRADUALLY SHIFT TO THE  
WEST THIS AFTERNOON, REMAINING IN THE 5 TO 10 MPH RANGE.  
ADDITIONAL MOISTURE MOVING INTO THE AREA WILL KEEP MINIMUM RH  
VALUES ABOVE 50 PERCENT ON MONDAY, AHEAD OF A PERIOD OF SOAKING  
RAIN FOR MONDAY NIGHT THROUGH TUESDAY NIGHT. SOUTHERLY WINDS ON  
MONDAY WILL REMAIN IN THE 5 TO 10 MPH RANGE.  
   
TODAY  
 
SKY/WEATHER.........CLOUDY (85-95 PERCENT) THEN BECOMING PARTLY  
SUNNY (45-55 PERCENT) THEN BECOMING SUNNY  
(10-20 PERCENT). CHANCE OF RAIN SHOWERS EARLY  
IN THE MORNING.  
CHANCE OF PCPN......20 PERCENT.  
MAX TEMPERATURE.....AROUND 69.  
MIN HUMIDITY........68 PERCENT.  
WIND (20 FT)........SOUTHWEST WINDS 5 TO 6 MPH SHIFTING TO THE WEST  
IN THE AFTERNOON.  
MIXING HEIGHT.......2200 FT AGL INCREASING TO 3600 FT AGL LATE IN  
THE AFTERNOON.  
TRANSPORT WINDS.....SOUTHWEST 10 TO 12 MPH SHIFTING TO THE WEST 9  
TO 12 MPH LATE IN THE MORNING.  
SMOKE DISPERSAL.....POOR TO FAIR (4500-20200 KNOT-FT) INCREASING TO  
FAIR (27000 KNOT-FT) LATE IN THE AFTERNOON.  
PCPN AMOUNT.........0.01 INCHES.  
 
TIME (CDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY COVER.......CDY CDY CDY MC MC MC PC MCR MCR  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).20 20 10 10 0 0 0 0 0  
TEMP............56 58 61 62 63 66 67 68 68  
RH..............93 90 84 87 84 78 73 70 68  
20 FT WIND DIR..SW SW SW SW W W W W W  
20 FT WIND SPD..5 5 5 5 5 5 5 5 4  
20 FT WIND GUST.12 12 12 12 12 12 12 11 9  
MIX HGT (KFT)...1.1 1.1 1.3 1.4 1.7 2.2 3.0 3.6 3.6  
TRANSP WIND DIR.SW SW W W W W W W W  
TRANSP WIND SPD.12 12 12 10 12 10 10 9 9  
SDSPL KT-FT/100011 11 13 12 17 20 27 28 28  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT). PATCHY FOG EARLY  
IN THE MORNING.  
CHANCE OF PCPN......0 PERCENT.  
MIN TEMPERATURE.....AROUND 44.  
MAX HUMIDITY........100 PERCENT.  
WIND (20 FT)........LIGHT WINDS.  
MIXING HEIGHT.......1400 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 6 TO 7 MPH SHIFTING TO THE NORTH  
AROUND 6 MPH AFTER 3 AM.  
SMOKE DISPERSAL.....POOR (2100-8600 KNOT-FT).  
PCPN AMOUNT.........0.00 INCHES.  
 
TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM  
SKY COVER.......MCLEAR MCLEAR MCLEAR MCLEAR MCLEAR PCLDY  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE NONE  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0  
TEMP............65 59 53 50 47 46  
RH..............73 83 96 96 100 100  
20 FT WIND......W 3 W 2 NW 2 NW 2 N 1 N 1  
20 FT WIND GUST.7 6 6 5 5 5  
MIX HGT (FT)....1400 400 400 400 400 400  
TRANSPORT WIND..NW 7 NW 6 NW 7 NW 7 N 6 N 6  
SDSPL KT-FT/10009 2 3 3 2 2  
   
MONDAY  
 
SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT). PATCHY FOG EARLY  
IN THE MORNING.  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 70.  
MIN HUMIDITY........51 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 5 TO 6 MPH IN THE  
AFTERNOON.  
MIXING HEIGHT.......1700 FT AGL INCREASING TO 4700 FT AGL IN THE  
AFTERNOON, THEN DECREASING TO 2100 FT AGL LATE  
IN THE AFTERNOON.  
TRANSPORT WINDS.....NORTHEAST AROUND 6 MPH SHIFTING TO THE SOUTH 12  
TO 15 MPH IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR TO FAIR (1800-13200 KNOT-FT) INCREASING TO  
FAIR TO GOOD (28300-40500 KNOT-FT) EARLY IN THE  
AFTERNOON, THEN INCREASING TO GOOD TO EXCELLENT  
(44300-60800 KNOT-FT) LATE IN THE AFTERNOON.  
PCPN AMOUNT.........0.00 INCHES.  
 
TIME (CDT) 6 AM 10 AM 2 PM  
SKY COVER.......PCLDY PCLDY MCLEAR  
WEATHER COV.....PATCHY  
WEATHER TYPE....FOG NONE NONE  
TSTM COV........  
CHC OF PCPN (%).0 0 0  
TEMP............45 57 69  
RH..............100 80 51  
20 FT WIND......NE 1G5 SE 3G6 S 4G9  
MIX HGT (FT)....400 900 4700  
TRANSPORT WIND..NE 6 SE 7 S 15  
SDSPL KT-FT/10002 5 61  
 
 
FORECASTER...LINDA  
REQUESTED BY...TONY HARDING  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2622576.0/DLH  
.DELDT 09/27/26  
.FORMATTERVERSION 2.0.0  
.EMAIL SHANE.JARVI@USDA.GOV,JEB.BACKE@USDA.GOV,ANTHONY.HARDING@USDA.GOV,TRAVIS.DURKIN@USDA.GOV  
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