559  
FNUS73 KLOT 201439  
FWSLOT  
 
SPOT FORECAST FOR HALO HILL RX FIRE...IDNR  
NATIONAL WEATHER SERVICE CHICAGO IL  
ISSUED BY NATIONAL WEATHER SERVICE LINCOLN IL  
939 AM CDT MON APR 20 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 1500 CDT ON APRIL 20.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE AT (815) 834-0666 IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST.  
   
DISCUSSION  
 
DRY CONDITIONS ARE EXPECTED TODAY. WINDS WILL INITIALLY BE S/SE AT  
LESS THAN 10MPH THIS MORNING, THEN WILL BECOME S/SW AT AROUND  
10MPH THIS AFTERNOON. DESPITE THE LIGHT WINDS, VENTILATION WILL  
GENERALLY BE GOOD.  
   
REST OF TODAY  
 
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.  
TEMPERATURE.........52 AT IGNITION...MAX 54.  
RH..................MIN 34 PERCENT.  
WIND (20 FT)........WINDS SOUTHEAST AT 8 MPH AT  
IGNITION...OTHERWISE SOUTHWEST WINDS AROUND 8  
MPH.  
CHANCE OF PCPN......0 PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 10 TO 13 MPH.  
MIXING HEIGHT.......4700 FT AGL AT IGNITION...OTHERWISE 4700 FT  
AGL.  
SMOKE DISPERSAL.....GOOD /42600 KNOT-FT/ AT IGNITION. MAX...GOOD  
/48700 KNOT-FT/.  
 
TIME (CDT) 3PM 4PM 5PM  
SKY (%).........25 22 32  
WEATHER COV.....  
WEATHER TYPE....  
TEMP............52 53 54  
RH..............M M M  
20 FT WIND DIR..210 210 200  
20 FT WIND SPD..8 9 9  
20 FT WIND GUST.13 14 14  
MIX HGT (KFT)...4.7 4.6 4.3  
TRANSP WIND DIR.210 200 200  
TRANSP WIND SPD.10 13 13  
CHC OF PCPN (%).0 0 0  
VRATE KT-FT/1K..43 48 49  
 
 
FORECASTER...BARNES  
REQUESTED BY...GRIFFITJ  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2610872.0/LOT  
.DELDT 04/20/26  
.FORMATTERVERSION 2.0.0  
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