095  
FNUS73 KLOT 261810 CCA  
FWSLOT  
 
SPOT FORECAST FOR PLANNING MILLER 1...CORRECTED  
NATIONAL WEATHER SERVICE CHICAGO IL  
110 PM CDT WED MAR 26 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 1000 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
 
A WEATHER DISTURBANCE WILL SHIFT ACROSS THE AREA  
THURSDAY MORNING. THIS WILL RESULT IN A CHANCE (30-40%) FOR  
SCATTERED SHOWERS THROUGH THE MORNING, BEFORE THINGS DRY OUT  
THROUGH THE AFTERNOON. ANY RAINFALL AMOUNTS WILL BE LIGHT (UNDER A  
TENTH OF AN INCH). A LAKE BREEZE IS CURRENTLY NOT ANTICIPATED TO  
CAUSE AN AFTERNOON ONSHORE WIND SHIFT. INSTEAD, PREVAILING SOUTH  
WINDS ARE FORECAST THURSDAY AFTERNOON.  
 
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS IN  
THE MORNING, THEN SLIGHT CHANCE OF RAIN SHOWERS  
EARLY IN THE AFTERNOON.  
TEMPERATURE.........47 AT IGNITION...MAX 54.  
RH..................68 PERCENT AT IGNITION...MIN 59 PERCENT.  
WIND (20 FT)........WINDS SOUTHWEST AT 6 MPH AT  
IGNITION...OTHERWISE SOUTH WINDS AROUND 6 MPH.  
CHANCE OF PCPN......30 PERCENT.  
TRANSPORT WINDS.....SOUTH 8 TO 13 MPH INCREASING TO 10 TO 14 MPH  
LATE IN THE AFTERNOON.  
MIXING HEIGHT.......1200 FT AGL AT IGNITION...OTHERWISE 1900 FT  
AGL.  
SMOKE DISPERSAL.....POOR /8600 KNOT-FT/ AT IGNITION. MAX...FAIR  
/21000 KNOT-FT/.  
 
TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........88 86 84 83 80 78 77 75  
WEATHER COV.....CHC CHC CHC SCH SCH SCH  
WEATHER TYPE....RW RW RW RW RW RW  
TEMP............47 49 51 52 53 53 53 52  
RH..............68 66 61 61 59 61 61 66  
20 FT WIND DIR..210 210 200 200 200 190 180 180  
20 FT WIND SPD..6 6 7 7 7 6 6 6  
20 FT WIND GUST.10 12 13 14 14 14 13 13  
MIX HGT (KFT)...1.2 1.3 1.3 1.9 1.8 1.5 1.3 1.1  
TRANSP WIND DIR.200 200 200 190 190 190 180 180  
TRANSP WIND SPD.8 8 9 13 14 13 12 10  
CHC OF PCPN (%).30 30 30 20 20 20 10 10  
VRATE KT-FT/1K..9 9 11 21 21 17 13 10  
   
THURSDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS  
OVERNIGHT. SLIGHT CHANCE OF THUNDERSTORMS AFTER  
3 AM.  
TEMPERATURE.........MIN 44.  
RH..................MAX 100 PERCENT.  
WIND (20 FT)........SOUTH WINDS 6 TO 7 MPH. GUSTY AND ERRATIC WINDS  
EXPECTED NEAR THUNDERSTORMS AFTER 3 AM.  
CHANCE OF PCPN......70 PERCENT.  
TRANSPORT WINDS.....SOUTHEAST 10 TO 14 MPH.  
MIXING HEIGHT.......500 FT AGL.  
SMOKE DISPERSAL.....POOR (5200 KNOT-FT).  
 
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........73 72 74 76 79 81 83 86 89 92 95 92  
WEATHER COV..... CHC CHC CHC CHC CHC  
WEATHER TYPE.... RW RW RW RW RW  
TEMP............51 50 48 47 45 44 44 45 45 45 45 45  
RH..............71 74 80 79 86 89 89 89 93 93 96 100  
20 FT WIND DIR..180 180 170 160 150 150 150 150 150 150 150 160  
20 FT WIND SPD..7 7 7 7 7 7 8 8 8 8 8 8  
20 FT WIND GUST.12 12 12 13 13 13 14 14 15 16 16 16  
MIX HGT (KFT)...0.8 0.6 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.6 0.5  
TRANSP WIND DIR.160 160 150 140 140 140 140 140 140 150 150 150  
TRANSP WIND SPD.10 10 12 12 13 13 14 14 14 14 14 14  
CHC OF PCPN (%).10 10 10 10 10 10 10 40 40 40 70 70  
VRATE KT-FT/1K..8 5 5 5 5 6 6 6 6 7 7 6  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY THEN  
BECOMING MOSTLY SUNNY. SLIGHT CHANCE OF  
THUNDERSTORMS EARLY IN THE MORNING. CHANCE OF  
RAIN SHOWERS IN THE MORNING.  
TEMPERATURE.........MAX 70.  
RH..................MIN 58 PERCENT.  
WIND (20 FT)........SOUTH WINDS 7 TO 10 MPH INCREASING TO SOUTHWEST  
16 TO 18 MPH WITH GUSTS TO AROUND 32 MPH. GUSTY  
AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS  
EARLY IN THE MORNING.  
CHANCE OF PCPN......70 PERCENT.  
TRANSPORT WINDS.....SOUTH 15 TO 18 MPH INCREASING TO SOUTHWEST 30  
TO 35 MPH.  
MIXING HEIGHT.......4500 FT AGL.  
SMOKE DISPERSAL.....POOR (5800 KNOT-FT) EARLY IN THE MORNING  
INCREASING TO EXCELLENT (98100 KNOT-FT) IN THE  
AFTERNOON INCREASING TO EXCELLENT (96500  
KNOT-FT) LATE IN THE AFTERNOON.  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........89 88 84 79 75 67 58 50 43 35 28 25  
WEATHER COV.....CHC CHC CHC CHC CHC CHC CHC  
WEATHER TYPE....RW RW RW RW RW RW RW  
TEMP............46 49 51 53 56 59 62 64 66 67 68 68  
RH..............96 94 92 90 87 81 75 69 65 61 59 58  
20 FT WIND DIR..170 170 180 190 200 210 220 220 220 220 220 220  
20 FT WIND SPD..8 8 10 12 13 15 16 17 18 20 21 20  
20 FT WIND GUST.16 15 16 18 20 23 26 28 30 31 32 31  
MIX HGT (KFT)...0.5 0.5 0.5 0.6 0.7 1.6 2.5 3.4 3.7 4.1 4.5 3.5  
TRANSP WIND DIR.160 160 170 180 190 190 200 210 210 210 220 220  
TRANSP WIND SPD.15 15 15 16 18 21 23 26 30 33 35 32  
CHC OF PCPN (%).70 50 50 50 20 20 20 10 10 10 10 10  
VRATE KT-FT/1K..6 6 7 9 12 29 51 78 98 119 134 97  
 

 
FORECASTER...BIRK  
REQUESTED BY...NATHANIEL ORSBURN  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2508069.0/LOT  
.DELDT 03/26/25  
.FORMATTERVERSION 2.0.0  
 
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