261  
FNUS73 KDLH 072023  
FWSDLH  
 
SPOT FORECAST FOR SIOUX RIVER RX BURN...WI DNR  
NATIONAL WEATHER SERVICE DULUTH MN  
323 PM CDT WED MAY 7 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 1700 CDT ON MAY 07.  
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  
 
COLD AIR SEEPING IN FROM THE NORTHEAST WILL KEEP IT COOLER AND  
MOIST RELATIVE TO THE REST OF THE FORECAST AREA AT THE BURN SITE.  
WINDS WILL BE GUSTY AT TIMES FROM THE NORTHEAST.  
   
REST OF TODAY  
 
SKY/WEATHER.........SUNNY (0-10 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 50.  
MIN HUMIDITY........50 PERCENT.  
WIND (20 FT)........NORTHEAST WINDS AROUND 14 MPH.  
MIXING HEIGHT.......1700 FT AGL.  
TRANSPORT WINDS.....EAST AROUND 20 MPH.  
SMOKE DISPERSAL.....FAIR (29100 KNOT-FT).  
PCPN AMOUNT.........0.00 INCHES.  
 
TIME (CDT) 5PM  
SKY COVER.......CLR  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0  
TEMP............50  
RH..............50  
20 FT WIND DIR..NE  
20 FT WIND SPD..13  
20 FT WIND GUST.20  
MIX HGT (KFT)...1.7  
TRANSP WIND DIR.E  
TRANSP WIND SPD.20  
SDSPL KT-FT/100029  
   
TONIGHT  
 
SKY/WEATHER.........CLEAR (0-10 PERCENT). AREAS OF FROST OVERNIGHT.  
CHANCE OF PCPN......0 PERCENT.  
MIN TEMPERATURE.....AROUND 33.  
MAX HUMIDITY........85 PERCENT.  
WIND (20 FT)........NORTHEAST WINDS 5 TO 13 MPH IN THE EVENING AND  
OVERNIGHT BECOMING LIGHT.  
MIXING HEIGHT.......1600 FT AGL.  
TRANSPORT WINDS.....EAST 8 TO 17 MPH.  
SMOKE DISPERSAL.....POOR TO FAIR (4200-23300 KNOT-FT) DECREASING TO  
POOR (2800 KNOT-FT) OVERNIGHT.  
PCPN AMOUNT.........0.00 INCHES.  
 
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY COVER.......CLR CLR CLR CLR CLR CLR CLR CLR CLR CLR CLR CLR  
WEATHER COV..... ARS ARS ARS ARS ARS ARS  
WEATHER TYPE.... FST FST FST FST FST FST  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............48 46 44 41 40 39 37 37 36 35 35 35  
RH..............51 56 58 62 67 70 75 75 79 82 82 82  
20 FT WIND DIR..NE NE NE NE NE NE NE NE NE NE NE NE  
20 FT WIND SPD..12 10 8 6 5 4 4 4 4 3 3 3  
20 FT WIND GUST.20 19 18 15 14 12 9 8 7 7 7 7  
MIX HGT (KFT)...1.6 1.2 0.9 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4  
TRANSP WIND DIR.E E E E E E E E E E E E  
TRANSP WIND SPD.17 16 14 12 12 12 9 9 10 9 8 8  
SDSPL KT-FT/100023 16 11 5 4 4 3 3 4 3 3 3  
   
THURSDAY  
 
SKY/WEATHER.........SUNNY (5-15 PERCENT). WIDESPREAD FROST EARLY IN  
THE MORNING, THEN AREAS OF FROST EARLY IN THE  
MORNING.  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 54.  
MIN HUMIDITY........34 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING EAST 5 TO 8 MPH EARLY IN  
THE MORNING.  
MIXING HEIGHT.......1900 FT AGL.  
TRANSPORT WINDS.....EAST 7 TO 12 MPH.  
SMOKE DISPERSAL.....POOR TO FAIR (2400-18200 KNOT-FT).  
PCPN AMOUNT.........0.00 INCHES.  
 
TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM  
SKY COVER.......MCLEAR MCLEAR MCLEAR MCLEAR MCLEAR MCLEAR  
WEATHER COV.....WIDSPD  
WEATHER TYPE....FROST NONE NONE NONE NONE NONE  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0  
TEMP............33 39 47 52 53 52  
RH..............85 73 47 36 35 36  
20 FT WIND......E 3 E 4 E 5 E 6 E 8 E 8  
20 FT WIND GUST.7 9 11 12 13 13  
MIX HGT (FT)....400 1000 1500 1900 1800 1400  
TRANSPORT WIND..E 7 E 9 E 7 E 9 E 12 E 12  
SDSPL KT-FT/10002 8 9 15 18 14  
 
 
FORECASTER...JONATHAN  
REQUESTED BY...MARK GUENTHER  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2513398.0/DLH  
.DELDT 05/07/25  
.FORMATTERVERSION 2.0.0  
.EMAIL MARK.GUENHTER@WISCONSIN.GOV  
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