444  
FNUS73 KSGF 181400  
FWSSGF  
 
SPOT FORECAST FOR GWCA PRAIRIE RX...US PARK SERVICE  
NATIONAL WEATHER SERVICE SPRINGFIELD MO  
900 AM CDT WED MAR 18 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON MARCH 19.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE AT 1-800-762-4363, IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST.  
   
DISCUSSION  
 
FOR THURSDAY, LOOK FOR MOSTLY CLEAR SKIES WITH MINIMUM RH VALUES  
AROUND 35%. WINDS WILL VEER FROM SOUTHWEST TO NORTHWEST TO NORTH  
THROUGH THE DAY AT 5-10 MPH GUSTING TO AROUND 15 MPH.  
   
THURSDAY  
 
TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........4 3 2 1 3 4 6 11  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0  
TEMP............61 66 71 74 77 78 78 78  
RH..............58 50 42 40 36 35 35 36  
20 FT WIND DIR..SW SW W W W NW NW N  
20 FT WIND SPD..9 9 9 9 9 9 8 7  
20 FT WIND GUST.16 16 15 15 15 15 14 12  
MIX HGT (KFT)...1.1 1.3 1.6 2.0 2.6 3.2 3.8 3.2  
MIX HGT (KM)....0.3 0.4 0.5 0.6 0.8 1.0 1.2 1.0  
TRANSP WIND DIR.SW W W W NW NW NW NW  
TRANSP WIND SPD.15 13 12 12 12 12 12 12  
TRANS WIND DIR..SW W W W NW NW NW NW  
TRANS SPD (M/S).7 6 5 5 5 5 5 5  
VRATE KT-FT/1K..14 14 16 20 26 32 38 32  
VENTRATE CAT....PR PR PR PR PR PR PR PR  
   
THURSDAY NIGHT  
 
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........16 21 17 14 10 8 7 5 6 8 9 10  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............76 73 69 65 61 59 57 56 55 53 53 51  
RH..............40 44 51 58 67 69 72 74 77 83 83 86  
20 FT WIND DIR..N N N N N NE E E SE SE S S  
20 FT WIND SPD..5 3 2 2 2 2 2 2 2 2 2 2  
20 FT WIND GUST.10 8 7 7 7 7 7 7 7 7 7 7  
MIX HGT (KFT)...1.4 0.4 M M 0.4 0.5 0.4 0.4 0.4 0.4 0.4 0.4  
MIX HGT (KM)....0.4 0.1 M M 0.1 0.2 0.1 0.1 0.1 0.1 0.1 0.1  
TRANSP WIND DIR.NW NW M M N N NE NE NE E SE SE  
TRANSP WIND SPD.8 6 M M 6 9 9 9 8 8 7 6  
TRANS WIND DIR..NW NW M M N N NE NE NE E SE SE  
TRANS SPD (M/S).4 3 M M 3 4 4 4 4 4 3 3  
VRATE KT-FT/1K..10 2 M M 2 4 4 3 3 3 3 2  
VENTRATE CAT....PR PR M M PR PR PR PR PR PR PR PR  
   
FRIDAY  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........11 12 9 7 4 6 7 9 12 14 17 18  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............51 51 54 58 63 68 74 78 81 82 82 81  
RH..............86 86 80 75 67 59 48 42 37 35 34 37  
20 FT WIND DIR..S S S SW SW SW SW SW SW SW SW SW  
20 FT WIND SPD..2 2 2 2 3 5 6 7 8 8 8 7  
20 FT WIND GUST.7 7 7 7 8 9 12 13 14 14 13 12  
MIX HGT (KFT)...0.4 0.4 0.4 0.4 0.6 1.0 1.6 2.1 2.7 3.1 3.2 2.5  
MIX HGT (KM)....0.1 0.1 0.1 0.1 0.2 0.3 0.5 0.6 0.8 0.9 1.0 0.8  
TRANSP WIND DIR.S S S SW SW SW W W W W W W  
TRANSP WIND SPD.5 5 5 6 7 8 9 12 14 16 17 16  
TRANS WIND DIR..S S S SW SW SW W W W W W W  
TRANS SPD (M/S).2 2 2 3 3 4 4 5 6 7 8 7  
VRATE KT-FT/1K..2 2 2 2 4 7 13 21 32 44 48 35  
VENTRATE CAT....PR PR PR PR PR PR PR PR PR FR FR PR  
 
 
FORECASTER...TITUS  
REQUESTED BY...KRYSTEN BAUER  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2606253.0/SGF  
.DELDT 03/18/26  
.FORMATTERVERSION 2.0.0  
.EMAIL KRYSTEN_BAUER@NPS.GOV  
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