781  
FNUS73 KLOT 261508  
FWSLOT  
 
SPOT FORECAST FOR ALMOND MARSH RX BURN...LAKE COUNTY FOREST PRESERVE DISTRICT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1008 AM CDT WED MAR 26 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON MARCH 26.  
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
 
 
SCATTERED LIGHT RAIN AND SNOW SHOWERS ARE MOVING ACROSS LAKE  
COUNTY AS OF 10 AM. THESE ONLY LOOK TO CONTINUE THROUGH AROUND 11  
AM OR SO. THERE IS A NON-ZERO CHANCE THAT THE BURN SITE SEES ONE  
OR TWO ADDITIONAL POCKETS OF BRIEF, LIGHT RAIN THIS AFTERNOON,  
ALTHOUGH CHANCES ARE BETTER IN STAYING DRY.  
 
CONFIDENCE REGARDING WIND TRENDS TODAY IS ON THE LOWER SIDE OWING  
TO A LAKE BREEZE THAT LOOKS TO SET UP IN THE VICINITY OF THE  
BURN SITE THIS AFTERNOON. LIGHT EASTERLY TO SOUTHEASTERLY WINDS  
THROUGH THIS MORNING ARE ANTICIPATED TO GO WESTERLY EARLY THIS  
AFTERNOON AND GUST TO 15 TO 20 MPH, HIGHER ON OCCASION, DURING  
THE LATTER HALF OF THE AFTERNOON. ONCE THE LAKE BREEZE MOVES  
ACROSS, WINDS WILL SUBSIDE AND RETURN TO EASTERLY IN ITS WAKE.  
THIS COULD OCCUR AS EARLY AS LATE AFTERNOON, BUT MORE LIKELY  
HOLDING OFF UNTIL EARLY EVENING. WEST OF THIS LAKE BREEZE,  
FILTERED SUNSHINE WILL ALLOW FOR DEEP MIXING HEIGHTS TO AROUND  
7,000 FT AGL.  
 
SCATTERED RAIN SHOWERS WILL MOVE INTO THE AREA LATE TONIGHT AND  
STICK AROUND THROUGH THURSDAY MORNING. A MAJORITY OF THE AFTERNOON  
WILL BE DRY BEFORE A CHANCE FOR THUNDERSTORMS ARRIVES OVERNIGHT.  
   
REST OF TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
TEMPERATURE.........40 AT IGNITION...MAX 51.  
RH..................59 PERCENT AT IGNITION...MIN 36 PERCENT.  
WIND (20 FT)........WINDS NORTHEAST AT 3 MPH AT  
IGNITION...OTHERWISE LIGHT WINDS BECOMING  
NORTHWEST AROUND 6 MPH LATE IN THE MORNING,  
THEN SHIFTING TO THE WEST 6 TO 7 MPH EARLY IN  
THE AFTERNOON SHIFTING TO THE EAST 7 TO 8 MPH  
LATE IN THE AFTERNOON.  
CHANCE OF PCPN......0 PERCENT.  
TRANSPORT WINDS.....NORTHEAST AROUND 6 MPH SHIFTING TO THE WEST 6  
TO 10 MPH LATE IN THE MORNING, THEN SHIFTING TO  
THE NORTH AROUND 13 MPH EARLY IN THE AFTERNOON  
SHIFTING TO THE EAST 12 TO 13 MPH LATE IN THE  
AFTERNOON.  
MIXING HEIGHT.......1500 FT AGL AT IGNITION...OTHERWISE 5500 FT  
AGL.  
SMOKE DISPERSAL.....POOR /7200 KNOT-FT/ AT IGNITION.  
MAX...EXCELLENT /61900 KNOT-FT/.  
 
TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........63 57 51 46 48 50 53 56  
WEATHER COV..... M M  
WEATHER TYPE.... M M  
TEMP............40 44 47 49 51 51 51 51  
RH..............59 51 45 42 37 36 36 37  
20 FT WIND DIR..050 330 260 270 270 060 070 100  
20 FT WIND SPD..3 6 7 8 8 9 8 9  
20 FT WIND GUST.5 7 8 9 9 9  
MIX HGT (KFT)...1.5 2.0 3.0 4.6 5.5 5.0 4.8 3.5  
TRANSP WIND DIR.040 280 280 280 340 010 050 100  
TRANSP WIND SPD.6 6 8 10 13 13 13 12  
CHC OF PCPN (%).0 0 0 0 0 0 0 0  
VRATE KT-FT/1K..7 11 21 41 62 57 54 33  
 

 
FORECASTER...DOOM  
REQUESTED BY...PATI VITT - DIRECTOR NAT RESOURCES  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2508050.0/LOT  
.DELDT 03/26/25  
.FORMATTERVERSION 2.0.0  
 
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