661  
FNUS73 KMKX 111332  
FWSMKX  
 
SPOT FORECAST FOR LONDON RD RX BURN...WI DNR  
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI  
832 AM CDT SAT APR 11 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0900 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 PUSH IN BY THE LATE MORNING OR EARLY AFTERNOON,  
ALLOWING MINIMUM RELATIVE HUMIDITIES TO REMAIN THE IN THE 40-50  
PERCENT RANGE LOCALLY. SHOULD CLOUDS BE SLOWER TO ARRIVE &  
TEMPERATURES WARM MORE THAN CURRENTLY FORECAST, RELATIVE HUMIDITY  
MINIMUMS COULD FALL AS LOW AS UPPER 30 PERCENT DURING THE  
AFTERNOON HOURS. THERE ARE SMALL CHANCES FOR RAIN SHOWERS DURING  
THE AFTERNOON HOURS, THOUGH WIDESPREAD SHOWER AND THUNDERSTORM  
ACTIVITY WILL MOSTLY HOLD OFF UNTIL AFTER SUNSET THIS EVENING.  
MIXING HEIGHTS WILL BE GOOD AROUND 3500FT WITH FAIRLY GOOD SMOKE  
DISPERSAL UNDER MAINLY LIGHT SOUTH TO SOUTHEAST WINDS.  
   
REST OF TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (70-80 PERCENT). SLIGHT CHANCE OF  
RAIN SHOWERS EARLY IN THE AFTERNOON. CHANCE OF  
RAIN SHOWERS EARLY IN THE AFTERNOON, THEN  
SLIGHT CHANCE OF RAIN SHOWERS LATE IN THE  
AFTERNOON.  
TEMPERATURE.........42 AT IGNITION...MAX 56.  
RH..................76 PERCENT AT IGNITION...MIN 49 PERCENT.  
WIND (20 FT)........WINDS SOUTH AT 5 MPH AT IGNITION...OTHERWISE  
SOUTHEAST WINDS 5 TO 9 MPH.  
MIXING HEIGHT.......700 FT AGL AT IGNITION...OTHERWISE 3600 FT AGL.  
TRANSPORT WINDS.....SOUTH 8 TO 15 MPH.  
SMOKE DISPERSAL.....POOR /5000 KNOT-FT/ AT IGNITION. MAX...GOOD  
/46800 KNOT-FT/.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). RAIN SHOWERS  
LIKELY AND CHANCE OF THUNDERSTORMS.  
TEMPERATURE.........MIN 45.  
RH..................MAX 89 PERCENT.  
WIND (20 FT)........SOUTHEAST WINDS 7 TO 12 MPH. GUSTS UP TO 28 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 IN THE LATE EVENING  
AND OVERNIGHT. GUSTY AND ERRATIC WINDS EXPECTED  
NEAR THUNDERSTORMS AFTER 3 AM.  
MIXING HEIGHT.......600 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 15 TO 20 MPH.  
SMOKE DISPERSAL.....FAIR (14900 KNOT-FT) EARLY IN THE EVENING  
DECREASING TO POOR (8500 KNOT-FT) LATE IN THE  
NIGHT.  
 

 
FORECASTER...KUROSKI  
REQUESTED BY...CRAIG KOPACEK  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2610052.0/MKX  
.DELDT 04/11/26  
.FORMATTERVERSION 2.0.0  
.EMAIL CRAIG.KOPACEK@WISCONSIN.GOV  
 
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