293  
FNUS73 KLOT 271202  
FWSLOT  
 
SPOT FORECAST FOR ROLLINS SAVANNA...LAKE COUNTY FOREST PRESERVES  
NATIONAL WEATHER SERVICE CHICAGO IL  
702 AM CDT THU MAR 27 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 0700 CDT ON MARCH 27.  
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  
 
TODAY WILL BE MOSTLY CLOUDY, WHICH WILL LIMIT MIXING DEPTHS,  
AFTERNOON HIGH TEMPERATURES, AND THE ABILITY FOR MOISTURE (DEW  
POINTS) TO MIX DOWNWARD THIS AFTERNOON. WITH THAT SAID, HIGHS WILL  
TOP OFF IN THE MID 50S, AND AFTERNOON MINIMUM RELATIVE HUMIDITY  
VALUES WILL STALL IN THE MID 50 PERCENT RANGE. WINDS WILL LIGHT (10  
KT OR BELOW) AND OUT OF THE SOUTHWEST THIS MORNING, AND GRADUALLY  
TURN TO SOUTHERLY EARLY THIS AFTERNOON AND SOUTHEASTERLY BY EVENING.  
A FEW SPRINKLES MAY OCCUR FROM TIME TO TIME TODAY, THOUGH NO SOAKING  
RAIN OR DOWNPOURS ARE EXPECTED.  
   
REST OF TODAY  
 
SKY/WEATHER.........MOSTLY CLOUDY WITH A FEW SPRINKLES.  
TEMPERATURE.........39 AT IGNITION...MAX 55.  
RH..................76 PERCENT AT IGNITION...MIN 55 PERCENT.  
WIND (20 FT)........LIGHT OUT OF THE SOUTHWEST LESS THAN 10 MPH  
BECOMING SOUTH AROUND 10 MPH THIS AFTERNOON  
AND SOUTHWEST THIS EVENING.  
CHANCE OF PCPN......20 PERCENT (SPRINKLES).  
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH THIS MORNING INCREASING  
TO AROUND 15 MPH THIS AFTERNOON, AND THEN  
BECOMING SOUTH THIS AFTERNOON.  
MIXING HEIGHT.......400 FT AGL AT IGNITION...OTHERWISE 3600 FT AGL.  
SMOKE DISPERSAL.....POOR /3000 KNOT-FT/ AT IGNITION. MAX...GOOD  
/51900 KNOT-FT/.  
 
TIME (CDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........80 82 84 88 84 81 79 77 76 76 74  
WEATHER COV.....SCT SCT SCT SCT SCT SCT SCT SCT SCT  
WEATHER TYPE....RW RW RW RW RW RW RW RW RW  
TEMP............39 41 45 48 51 53 54 55 55 54 54  
RH..............76 76 70 65 61 59 57 55 55 57 57  
20 FT WIND DIR..250 250 240 240 240 240 230 220 190 170 160  
20 FT WIND SPD..3 5 7 8 9 10 10 10 10 10 9  
20 FT WIND GUST.5 7 10 13 14 15 15 15 15 15 14  
MIX HGT (KFT)...0.4 0.4 0.5 0.9 2.9 3.4 3.0 3.2 3.6 2.8 2.0  
TRANSP WIND DIR.250 240 240 240 240 240 230 220 190 170 160  
TRANSP WIND SPD.9 10 9 13 16 17 16 16 16 14 13  
CHC OF PCPN (%).10 10 20 20 10 10 10 10 10 10 10  
VRATE KT-FT/1K..3 3 4 9 40 52 42 44 51 34 22  
 
 
FORECASTER...BORCHARDT  
REQUESTED BY...RYAN JUZA  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2508179.0/LOT  
.DELDT 03/27/25  
.FORMATTERVERSION 2.0.0  
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