540  
FNUS73 KMKX 111422  
FWSMKX  
 
SPOT FORECAST FOR YOUNG1 EAST...WDNR  
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI  
922 AM CDT SAT APR 11 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON APRIL 11.  
 
PLEASE CONTACT THE NATIONAL WEATHER SERVICE IF CONDITIONS BECOME  
UNREPRESENTATIVE OR IF YOU HAVE QUESTIONS/CONCERNS ABOUT THIS FORECAST.  
   
DISCUSSION
 
 
CLOUDS WILL INCREASE ACROSS THE AREA INTO THIS AFTERNOON. THERE IS  
AROUND A 20 PERCENT CHANCE FOR LIGHT SHOWERS LATER THIS AFTERNOON,  
MAINLY AFTER 3 PM. SOUTHEAST WINDS 5 TO 10 MPH ARE GENERALLY  
EXPECTED INTO THIS AFTERNOON, WITH MIXING HEIGHTS RISING ABOVE  
3000 FEET AGL BY MIDDAY. GOOD SMOKE DISPERSAL VALUES ARE EXPECTED  
AS WELL BY MIDDAY INTO THIS AFTERNOON. MINIMUM RELATIVE HUMIDITY  
VALUES SHOULD DROP INTO THE 45 TO 50 PERCENT RANGE, THOUGH MAY  
DROP A LITTLE LOWER IF TEMPERATURES RISE HIGHER THAN FORECAST.  
   
REST OF TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (75-85 PERCENT). SLIGHT CHANCE OF  
RAIN SHOWERS LATER IN THE AFTERNOON.  
TEMPERATURE.........47 AT IGNITION...MAX 55.  
RH..................63 PERCENT AT IGNITION...MIN 47 PERCENT.  
WIND (20 FT)........WINDS SOUTHEAST AT 6 MPH AT  
IGNITION...OTHERWISE SOUTHEAST WINDS 7 TO 9  
MPH.  
MIXING HEIGHT.......2100 FT AGL AT IGNITION...OTHERWISE 3600 FT  
AGL.  
TRANSPORT WINDS.....SOUTH 12 TO 16 MPH.  
SMOKE DISPERSAL.....FAIR /20600 KNOT-FT/ AT IGNITION. MAX...GOOD  
/42900 KNOT-FT/.  
 
TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........24 30 43 76 76 82 83 78  
WEATHER COV..... SCH SCH SCH  
WEATHER TYPE.... RW RW RW  
TSTM COV........  
TEMP............47 50 52 52 54 55 54 52  
RH..............63 56 54 52 49 47 48 48  
20 FT WIND DIR..SE SE SE SE SE SE SE SE  
20 FT WIND SPD..6 7 7 7 8 8 8 9  
20 FT WIND GUST.10 10 13 13 13 13 13 13  
MIX HGT (KFT)...2.1 3.0 3.5 3.6 3.6 3.4 3.1 2.1  
TRANSP WIND DIR.S S S S S S S SE  
TRANSP WIND SPD.12 13 12 13 14 14 15 16  
SDSPL KT-FT/100021 33 35 40 43 40 40 29  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). RAIN SHOWERS  
LIKELY IN THE EVENING. CHANCE OF THUNDERSTORMS  
THROUGH THE NIGHT. CHANCE OF RAIN SHOWERS  
OVERNIGHT.  
TEMPERATURE.........MIN 45.  
RH..................MAX 86 PERCENT.  
WIND (20 FT)........SOUTHEAST WINDS 7 TO 12 MPH. GUSTS UP TO 29 MPH  
IN THE LATE EVENING AND OVERNIGHT. GUSTY AND  
ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS EARLY  
IN THE EVENING. GUSTY AND ERRATIC WINDS  
EXPECTED NEAR THUNDERSTORMS LATE IN THE  
EVENING. GUSTY AND ERRATIC WINDS EXPECTED NEAR  
THUNDERSTORMS OVERNIGHT.  
MIXING HEIGHT.......600 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 14 TO 20 MPH.  
SMOKE DISPERSAL.....FAIR (13600 KNOT-FT) EARLY IN THE EVENING  
DECREASING TO POOR (8100 KNOT-FT) LATE IN THE  
NIGHT.  
 
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........80 87 85 77 90 92 82 77 88 63 61 59  
WEATHER COV.....SCH CHC CHC CHC LKY LKY CHC CHC CHC CHC CHC CHC  
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW  
TSTM COV........ SCH SCH SCH CHC CHC CHC SCH SCH SCH SCH SCH  
TEMP............51 49 48 46 46 47 47 48 49 50 51 51  
RH..............50 56 60 68 71 74 76 80 80 80 80 86  
20 FT WIND DIR..SE SE SE SE SE SE SE SE SE S S S  
20 FT WIND SPD..8 7 8 8 9 8 8 10 10 11 11 11  
20 FT WIND GUST.13 14 14 16 16 18 18 19 20 21 22 23  
MIX HGT (KFT)...0.9 0.7 0.6 0.6 0.6 0.6 0.7 0.7 0.7 0.7 0.7 0.8  
TRANSP WIND DIR.SE SE SE SE SE SE SE S S S S S  
TRANSP WIND SPD.14 15 18 17 16 16 17 16 18 20 20 20  
SDSPL KT-FT/100010 9 10 9 8 9 10 10 12 12 13 14  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). CHANCE OF  
THUNDERSTORMS IN THE MORNING. RAIN SHOWERS  
THROUGH THE DAY. SLIGHT CHANCE OF THUNDERSTORMS  
IN THE AFTERNOON.  
TEMPERATURE.........MAX 73.  
RH..................MIN 66 PERCENT.  
WIND (20 FT)........SOUTH WINDS 12 TO 15 MPH WITH GUSTS TO AROUND  
29 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR  
THUNDERSTORMS EARLY IN THE MORNING. GUSTY AND  
ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN  
THE LATE MORNING AND AFTERNOON.  
MIXING HEIGHT.......3300 FT AGL.  
TRANSPORT WINDS.....SOUTH 21 TO 30 MPH SHIFTING TO THE SOUTHWEST 31  
TO 37 MPH IN THE LATE MORNING AND AFTERNOON.  
SMOKE DISPERSAL.....FAIR (14800 KNOT-FT) EARLY IN THE MORNING  
INCREASING TO EXCELLENT (106300 KNOT-FT) IN THE  
AFTERNOON.  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........72 74 82 76 70 61 68 78 87 88 89 90  
WEATHER COV.....CHC LKY LKY LKY DEF DEF DEF LKY LKY LKY LKY LKY  
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW  
TSTM COV........SCH CHC CHC CHC SCH SCH SCH SCH SCH SCH SCH SCH  
TEMP............52 54 56 59 62 65 67 70 70 71 71 70  
RH..............86 86 83 83 81 75 73 68 68 66 66 66  
20 FT WIND DIR..S S S S S S SW SW SW SW SW SW  
20 FT WIND SPD..12 11 12 12 13 14 14 15 15 15 15 15  
20 FT WIND GUST.23 20 21 22 24 26 26 28 29 28 26 25  
MIX HGT (KFT)...0.8 0.8 1.1 1.5 1.8 2.2 2.8 3.3 3.2 3.0 2.8 2.4  
TRANSP WIND DIR.S S S S SW SW SW SW SW SW SW SW  
TRANSP WIND SPD.21 21 24 30 31 32 35 37 36 35 33 33  
SDSPL KT-FT/100015 15 24 39 48 62 83 106 98 90 82 70  
 

 
FORECASTER...WOOD  
REQUESTED BY...PD  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2610055.0/MKX  
.DELDT 04/11/26  
.FORMATTERVERSION 2.0.0  
.EMAIL PETER.DUERKOP@WISCONSIN.GOV  
 
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