957  
FNUS73 KPAH 242212  
FWSPAH  
 
SPOT FORECAST FOR GIANT CITY UNIT...ILLINOIS DEPT. OF NATURAL RESOURCES  
NATIONAL WEATHER SERVICE PADUCAH KY  
512 PM CDT TUE MAR 24 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0900 CDT ON MARCH 25.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
 
DRY CONDITIONS REMAIN THROUGH THE DAY THURSDAY WITH A STRONG  
WARMING TREND THROUGH MIDWEEK. AFTERNOON RHS WILL BE AROUND 30-40%  
TOMORROW DUE TO MOISTURE INCREASES WITH A SHIFT TO SSW WINDS.  
LIGHT WINDS FOR THE REST OF TODAY INTO TOMORROW WILL LIMIT  
DISPERSION. WIND SPEEDS RAMP UP THURSDAY AHEAD OF A STRONG COLD  
FRONTAL PASSAGE WHICH WILL BRING SHOWERS AND A FEW THUNDERSTORMS  
THURSDAY NIGHT INTO FRIDAY. LIMITED RAINFALL ACCUMULATIONS  
(QUARTER INCH OR LESS) ARE FORECAST OUTSIDE OF STORMS. DRY WEATHER  
RETURNS FOR THE WEEKEND WITH LOW RHS FORECAST SATURDAY.  
   
WEDNESDAY  
 
SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT).  
CWR.................0 PERCENT.  
TEMPERATURE.........53 AT IGNITION...MAX 74.  
RH..................64 PERCENT AT IGNITION...MIN 38 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......WINDS SOUTH AT 6 MPH AT IGNITION...OTHERWISE  
SOUTH WINDS 5 TO 7 MPH.  
MIXING HEIGHT.......700 FT AGL AT IGNITION...OTHERWISE 4100 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 14 TO 22 MPH.  
SMOKE DISPERSAL.....POOR /7900 KNOT-FT/ AT IGNITION. MAX...GOOD  
/73700 KNOT-FT/.  
 
TIME (CDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY COVER.......PC PC PC PC PC PC PC PC PC  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0  
TEMP............53 59 63 67 70 73 74 74 74  
RH..............64 55 50 45 42 38 40 43 44  
20 FT WIND DIR..S S S S SW SW SW S S  
20 FT WIND SPD..5 5 6 7 7 7 7 7 7  
20 FT WIND GUST.12 13 14 16 17 17 18 18 17  
MIX HGT (KFT)...0.7 1.1 1.9 2.6 3.3 3.8 4.1 3.7 3.5  
TRANSP WIND DIR.S S SW SW SW SW SW SW SW  
TRANSP WIND SPD.14 15 18 20 22 22 21 21 20  
VRATE KT-FT/1K..8 14 31 45 63 71 74 66 60  
VENTRATE CAT....PR PR PR FR GD GD GD GD FR  
   
WEDNESDAY NIGHT  
 
SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT).  
CWR.................0 PERCENT.  
TEMPERATURE.........MIN 61.  
RH..................MAX 81 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......SOUTH WINDS 7 TO 10 MPH.  
MIXING HEIGHT.......500 FT AGL.  
TRANSPORT WINDS.....SOUTH 16 TO 21 MPH.  
SMOKE DISPERSAL.....POOR (6600 KNOT-FT).  
 
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY COVER.......PC PC PC MCR MCR MCR MCR MCR MCR MCR MCR MCR  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............74 72 71 67 66 66 66 66 65 64 63 63  
RH..............48 53 55 63 65 68 68 70 73 75 78 78  
20 FT WIND DIR..S S S S S S S S S SW SW SW  
20 FT WIND SPD..7 7 7 7 8 8 9 9 9 10 10 10  
20 FT WIND GUST.16 16 17 18 18 20 20 21 21 22 22 22  
MIX HGT (KFT)...1.2 0.5 0.6 0.6 0.5 0.6 0.6 0.5 0.5 0.5 0.6 0.5  
TRANSP WIND DIR.S S S S S S S S S SW SW SW  
TRANSP WIND SPD.18 16 16 17 20 20 20 20 20 21 21 20  
VRATE KT-FT/1K..19 7 9 8 9 10 10 9 9 9 10 9  
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR PR  
   
THURSDAY  
 
SKY/WEATHER.........SUNNY (5-15 PERCENT).  
CWR.................0 PERCENT.  
TEMPERATURE.........MAX 84.  
RH..................MIN 46 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......SOUTHWEST WINDS 10 TO 12 MPH WITH GUSTS TO  
AROUND 29 MPH.  
MIXING HEIGHT.......4000 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 20 TO 29 MPH INCREASING TO 31 TO 33  
MPH LATE IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (7700 KNOT-FT) EARLY IN THE MORNING  
INCREASING TO VERY GOOD (107300 KNOT-FT) IN THE  
AFTERNOON INCREASING TO GOOD (90900 KNOT-FT)  
EARLY IN THE MORNING INCREASING TO VERY GOOD  
(114800 KNOT-FT) IN THE AFTERNOON LATE IN THE  
AFTERNOON.  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY COVER.......MCR MCR MCR MCR CLR CLR CLR CLR CLR MCR MCR MCR  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............62 63 65 68 71 75 78 80 82 83 84 83  
RH..............81 81 78 73 68 62 56 52 49 48 46 48  
20 FT WIND DIR..SW SW SW SW SW SW SW SW SW SW SW SW  
20 FT WIND SPD..10 10 10 12 12 12 12 12 12 12 12 12  
20 FT WIND GUST.22 22 23 23 24 25 25 26 28 29 29 28  
MIX HGT (KFT)...0.5 0.6 0.9 1.4 1.9 2.2 2.5 2.9 3.4 3.9 4.0 3.3  
TRANSP WIND DIR.SW SW SW SW SW SW SW SW SW SW SW SW  
TRANSP WIND SPD.20 20 21 23 25 25 25 26 29 32 33 31  
VRATE KT-FT/1K..8 9 17 28 41 50 57 66 86 107 115 91  
VENTRATE CAT....PR PR PR PR FR FR FR GD GD VGD VGD GD  
 
 
FORECASTER...HICKFORD  
REQUESTED BY...JACOB HESS DISTRICT FORSESTER  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2607670.0/PAH  
.DELDT 03/24/26  
.FORMATTERVERSION 2.0.0  
.EMAIL JACOB.HESS@ILLINOIS.GOV  
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