754  
FNUS73 KLOT 072244  
FWSLOT  
 
SPOT FORECAST FOR HOBART PRAIRIE GROVE PILE...NPS  
NATIONAL WEATHER SERVICE CHICAGO IL  
544 PM CDT TUE APR 7 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0800 CDT ON APRIL 08.  
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
 
 
EXPECT GUSTY SOUTHERLY WINDS ON WEDNESDAY, GUSTING TO AROUND 20  
MPH AT IGNITION AND INCREASING TO 25+ MPH BY EARLY AFTERNOON.  
EARLY MORNING TEMPERATURES IN THE UPPER 30S WILL WARM INTO THE 50S  
BY LATE MORNING AND LOWER 60S DURING THE AFTERNOON. RH WILL DROP  
THROUGH THE MORNING FROM ABOUT 60% AT IGNITION DOWN TO 45% BY NOON  
AND BOTTOMING OUT BELOW 40% DURING THE AFTERNOON. PARTLY CLOUDY  
SKIES AND NO PRECIPITATION ARE EXPECTED DURING THE DAYTIME. A  
SYSTEM OF SHOWERS AND POSSIBLE EMBEDDED THUNDERSTORMS IS FORECAST  
FOR WEDNESDAY NIGHT.  
   
WEDNESDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.  
TEMPERATURE.........37 AT IGNITION...MAX 64.  
RH..................61 PERCENT AT IGNITION...MIN 38 PERCENT.  
WIND (20 FT)........WINDS SOUTH AT 15 MPH AT IGNITION...OTHERWISE  
SOUTH WINDS 14 TO 17 MPH INCREASING TO AROUND  
18 MPH LATE IN THE AFTERNOON.  
CHANCE OF PCPN......0 PERCENT.  
TRANSPORT WINDS.....SOUTH 22 TO 26 MPH INCREASING TO AROUND 35 MPH.  
MIXING HEIGHT.......900 FT AGL AT IGNITION...OTHERWISE 3900 FT AGL.  
SMOKE DISPERSAL.....FAIR /16700 KNOT-FT/ AT IGNITION.  
MAX...EXCELLENT /102000 KNOT-FT/ INCREASING TO  
EXCELLENT (117200 KNOT-FT) LATE IN THE  
AFTERNOON.  
 
TIME (CDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........67 62 59 54 49 44 46 45 45 40  
WEATHER COV.....  
WEATHER TYPE....  
TEMP............37 41 45 49 54 58 61 63 64 64  
RH..............61 58 52 48 44 40 38 38 38 39  
20 FT WIND DIR..160 160 170 170 170 180 180 180 180 180  
20 FT WIND SPD..15 15 16 17 17 18 20 21 21 20  
20 FT WIND GUST.24 25 25 28 28 29 30 30 31 30  
MIX HGT (KFT)...0.9 1.1 1.4 1.7 2.1 2.5 3.1 3.4 3.6 3.9  
TRANSP WIND DIR.160 160 170 170 170 180 180 180 180 180  
TRANSP WIND SPD.22 23 24 25 26 29 31 32 32 35  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0  
VRATE KT-FT/1K..17 22 29 37 47 61 82 94 102 117  
   
WEDNESDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.  
CHANCE OF RAIN SHOWERS OVERNIGHT. RAIN SHOWERS  
LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS AFTER  
3 AM.  
TEMPERATURE.........MIN 51.  
RH..................MAX 83 PERCENT.  
WIND (20 FT)........SOUTH WINDS 14 TO 17 MPH WITH GUSTS TO AROUND  
30 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR  
THUNDERSTORMS AFTER 3 AM.  
CHANCE OF PCPN......60 PERCENT.  
TRANSPORT WINDS.....SOUTH 23 TO 28 MPH SHIFTING TO THE SOUTHWEST  
AROUND 20 MPH EARLY IN THE MORNING.  
MIXING HEIGHT.......900 FT AGL.  
SMOKE DISPERSAL.....GOOD (42800 KNOT-FT) EARLY IN THE EVENING  
DECREASING TO FAIR (22800 KNOT-FT) LATE IN THE  
NIGHT.  
 
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........37 33 28 24 21 20 39 63 75 76 75 77  
WEATHER COV..... CHC CHC CHC LKY LKY  
WEATHER TYPE.... RW RW RW RW RW  
TEMP............63 61 59 58 57 56 56 56 56 56 55 54  
RH..............41 46 52 57 61 63 64 65 66 67 71 75  
20 FT WIND DIR..180 180 180 180 190 190 200 200 210 210 220 220  
20 FT WIND SPD..18 17 18 18 18 18 18 18 18 17 17 16  
20 FT WIND GUST.29 29 29 29 30 30 30 30 29 29 26 24  
MIX HGT (KFT)...1.8 1.3 1.0 1.0 1.0 0.9 1.1 1.0 1.1 1.2 1.4 1.4  
TRANSP WIND DIR.180 180 180 180 190 190 200 200 210 210 220 220  
TRANSP WIND SPD.26 24 25 26 28 28 28 28 28 25 23 20  
CHC OF PCPN (%).0 0 0 0 10 10 10 30 30 30 60 60  
VRATE KT-FT/1K..43 28 23 23 23 23 25 23 26 28 28 24  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY THEN  
BECOMING MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND  
SLIGHT CHANCE OF THUNDERSTORMS EARLY IN THE  
MORNING, THEN CHANCE OF RAIN SHOWERS IN THE  
MORNING. SLIGHT CHANCE OF RAIN SHOWERS IN THE  
AFTERNOON.  
TEMPERATURE.........MAX 66.  
RH..................MIN 49 PERCENT.  
WIND (20 FT)........SOUTHWEST WINDS 10 TO 13 MPH SHIFTING TO THE  
WEST 7 TO 9 MPH IN THE AFTERNOON. GUSTY AND  
ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS EARLY  
IN THE MORNING.  
CHANCE OF PCPN......60 PERCENT.  
TRANSPORT WINDS.....WEST 14 TO 18 MPH DECREASING TO AROUND 13 MPH  
LATE IN THE AFTERNOON.  
MIXING HEIGHT.......4000 FT AGL.  
SMOKE DISPERSAL.....FAIR (19200 KNOT-FT) EARLY IN THE MORNING  
INCREASING TO EXCELLENT (64000 KNOT-FT) IN THE  
AFTERNOON.  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........79 77 69 57 46 42 43 48 54 61 67 71  
WEATHER COV.....LKY CHC CHC CHC CHC CHC CHC SCH SCH SCH SCH SCH  
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW  
TEMP............52 51 52 54 56 59 62 64 65 66 66 63  
RH..............80 83 83 80 74 67 60 54 51 49 50 54  
20 FT WIND DIR..230 230 230 240 240 250 250 260 260 260 280 290  
20 FT WIND SPD..14 13 13 12 12 12 10 10 10 9 8 7  
20 FT WIND GUST.21 17 16 15 15 16 16 16 15 15 13 10  
MIX HGT (KFT)...1.4 1.4 1.6 1.9 2.2 2.8 3.4 4.0 3.9 3.8 3.6 2.6  
TRANSP WIND DIR.230 230 230 240 240 250 250 260 260 270 280 290  
TRANSP WIND SPD.17 16 16 16 17 17 18 18 17 16 14 13  
CHC OF PCPN (%).60 30 30 30 30 30 30 20 20 20 20 20  
VRATE KT-FT/1K..21 19 23 27 33 43 54 64 59 52 45 27  
 

 
FORECASTER...DOOM  
REQUESTED BY...ERIN MCNICHOLAS  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2609430.0/LOT  
.DELDT 04/07/26  
.FORMATTERVERSION 2.0.0  
 
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