492  
FNUS73 KPAH 131805  
FWSPAH  
 
SPOT FORECAST FOR STATE OF IL EAST...USFS  
NATIONAL WEATHER SERVICE PADUCAH KY  
105 PM CDT FRI MAR 13 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0900 CDT ON MARCH 14.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
 
SOUTHEAST WINDS SHOULD BE GOING BY EARLY IN THE MORNING AND PICK UP  
THROUGH THE DAY GUSTING 15-20 MPH. MIXING HEIGHTS SHOULD INCREASE  
TO 4000 TO 4500 FT. DISPERSION SHOULD IMPROVE TO GOOD IN THE AFTERNOON.  
AFTERNOON MINIMUM HUMIDITY WILL BE AROUND 45 PERCENT.  
   
SATURDAY  
 
SKY/WEATHER.........SUNNY (5-15 PERCENT).  
CWR.................0 PERCENT.  
TEMPERATURE.........41 AT IGNITION...MAX 65.  
RH..................70 PERCENT AT IGNITION...MIN 48 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......WINDS EAST AT 8 MPH AT IGNITION...OTHERWISE  
SOUTHEAST WINDS 8 TO 9 MPH SHIFTING TO THE  
SOUTH 9 TO 10 MPH LATE IN THE AFTERNOON.  
MIXING HEIGHT.......1100 FT AGL AT IGNITION...OTHERWISE 4300 FT  
AGL.  
TRANSPORT WINDS.....SOUTHEAST 18 TO 20 MPH SHIFTING TO THE SOUTH 20  
TO 22 MPH LATE IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR /17900 KNOT-FT/ AT IGNITION. MAX...GOOD  
/82300 KNOT-FT/.  
 
TIME (CDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY COVER.......MCR MCR MCR MCR MCR MCR MCR MCR CLR  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0  
TEMP............41 46 51 55 58 61 63 65 65  
RH..............70 60 54 53 51 51 51 53 55  
20 FT WIND DIR..E E SE SE SE S S S S  
20 FT WIND SPD..8 9 9 9 9 9 9 10 9  
20 FT WIND GUST.15 16 17 17 17 17 18 18 17  
MIX HGT (KFT)...1.1 1.3 1.8 2.3 2.8 3.1 3.8 4.3 3.5  
TRANSP WIND DIR.E SE SE SE S S S S S  
TRANSP WIND SPD.20 20 20 18 18 20 21 22 20  
VRATE KT-FT/1K..18 22 31 38 44 52 70 82 59  
VENTRATE CAT....PR PR PR PR FR FR GD GD FR  
   
SATURDAY NIGHT  
 
SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (60-70 PERCENT).  
CWR.................0 PERCENT.  
TEMPERATURE.........MIN 55.  
RH..................MAX 83 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......SOUTH WINDS 7 TO 13 MPH. GUSTS UP TO 28 MPH  
LATE IN THE EVENING.  
MIXING HEIGHT.......400 FT AGL.  
TRANSPORT WINDS.....SOUTH 14 TO 23 MPH INCREASING TO 25 TO 28 MPH  
AFTER 3 AM.  
SMOKE DISPERSAL.....POOR (5300 KNOT-FT).  
 
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY COVER.......CLR MCR PC MCR MCR MCR PC PC PC MC MC MC  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............65 63 61 60 59 58 58 57 57 57 57 57  
RH..............57 63 64 67 69 72 74 76 77 77 77 79  
20 FT WIND DIR..S S S S S S S S S S S S  
20 FT WIND SPD..7 7 7 8 8 8 9 9 10 12 12 13  
20 FT WIND GUST.16 16 16 17 18 20 20 21 22 23 25 28  
MIX HGT (KFT)...2.0 0.7 0.4 0.5 0.8 0.8 0.9 1.0 1.1 1.2 1.3 1.3  
TRANSP WIND DIR.S S S S S S S S S S S S  
TRANSP WIND SPD.16 14 15 16 18 20 21 22 23 25 26 28  
VRATE KT-FT/1K..28 9 5 8 12 14 16 19 22 26 30 30  
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR PR  
   
SUNDAY  
 
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). RAIN SHOWERS  
LIKELY IN THE AFTERNOON. SLIGHT CHANCE OF  
THUNDERSTORMS LATE IN THE AFTERNOON.  
CWR.................0 PERCENT INCREASING TO 70 PERCENT IN THE  
AFTERNOON.  
TEMPERATURE.........MAX 69.  
RH..................MIN 63 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......SOUTH WINDS 14 TO 20 MPH. GUSTS UP TO 38 MPH  
INCREASING TO 44 MPH LATE IN THE MORNING. GUSTY  
AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS  
LATE IN THE AFTERNOON.  
MIXING HEIGHT.......4600 FT AGL.  
TRANSPORT WINDS.....SOUTH 28 TO 35 MPH INCREASING TO 39 TO 47 MPH  
LATE IN THE MORNING, THEN INCREASING TO 41 TO  
49 MPH IN THE AFTERNOON DECREASING TO AROUND 37  
MPH LATE IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (30100 KNOT-FT) EARLY IN THE MORNING  
INCREASING TO VERY GOOD (126600 KNOT-FT) IN THE  
AFTERNOON INCREASING TO VERY GOOD (107300  
KNOT-FT) EARLY IN THE MORNING INCREASING TO  
EXCELLENT (191800 KNOT-FT) IN THE AFTERNOON  
LATE IN THE MORNING.  
 
TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM  
SKY COVER.......MCLDY MCLDY MCLDY MCLDY MCLDY MCLDY  
WEATHER COV..... LIKELY LIKELY  
WEATHER TYPE....NONE NONE NONE NONE RNSHWR RNSHWR  
TSTM COV........ S CHC  
CWR.............0 0 0 0 70 70  
TEMP............58 59 61 65 68 68  
RH..............79 81 78 70 64 65  
20 FT WIND DIR..S S S S S S  
20 FT WIND SPD..14 16 17 20 20 17  
20 FT WIND GUST.29 33 38 39 44 43  
MIX HGT (KFT)...1.2 1.9 3.3 4.2 4.6 4.1  
TRANSP WIND DIR.S S S S S S  
TRANSP WIND SPD.28 35 44 49 48 41  
VRATE KT-FT/1K..30 58 127 181 192 148  
VENTRATE CAT....POOR FAIR VYGD EXNT EXNT VYGD  
 
 
FORECASTER...GIBBS  
REQUESTED BY...BRICKNER  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2605668.0/PAH  
.DELDT 03/13/26  
.FORMATTERVERSION 2.0.0  
.EMAIL MATTHEW.BRICKNER@USDA.GOV  
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