020  
FNUS73 KLSX 241419  
FWSLSX  
 
SPOT FORECAST FOR RABBIT RUN...CITY OF ST. PETERS  
NATIONAL WEATHER SERVICE SAINT LOUIS MO  
919 AM CDT TUE MAR 24 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 1100 CDT ON MARCH 24.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE  
NATIONAL WEATHER SERVICE.  
   
DISCUSSION  
 
SLIGHTLY WARMER CONDITIONS ARE EXPECTED TODAY ALONG WITH PREDOMINANTLY  
DRY CONDITIONS. AT IGNITION, RH WILL BE FALLING AROUND 50 PERCENT,  
REACHING AROUND 25 PERCENT THIS AFTERNOON. HOWEVER, SOUTHEASTERLY  
WINDS ARE ANTICIPATED TO BE TOO WEAK FOR ELEVATED FIRE DANGER.  
MIXING HEIGHTS WILL APPROACH 3300 FT AGL THIS AFTERNOON, BUT GIVEN  
LIGHT WINDS SMOKE DISPERSAL WILL ONLY IMPROVE TO MARGINAL LEVELS.  
ANOTHER INVERSION WILL QUICKLY DEVELOP AROUND SUNSET WITH RH ALSO  
RISING.  
   
REST OF TODAY  
 
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT).  
TEMPERATURE.........50 AT IGNITION...MAX 63.  
RH..................44 PERCENT AT IGNITION...MIN 26 PERCENT.  
EYE LEVEL WINDS.....WINDS AROUND 3 MPH WITH AN ADJUSTMENT FACTOR OF 0.4  
WIND (20 FT)........WINDS SOUTHEAST AT 8 MPH AT  
IGNITION...OTHERWISE SOUTHEAST WINDS 6 TO 8  
MPH.  
MIXING HEIGHT.......1800 FT AGL AT IGNITION...OTHERWISE MAX 3300 FT  
AGL.  
SMOKE DISPERSAL.....POOR /3760 M/S-M/ AT IGNITION. MAX...MARGINAL  
/5230 M/S-M/.  
 
TIME (CDT) 11 AM 3 PM 7 PM  
SKY (%).........48 42 71  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE  
TSTM COV........  
TEMP............50 62 60  
RH..............44 26 33  
20 FT WIND......SE 8G13 SE 7G11 E 5G10  
EYE LEVEL WIND..SE 4G6 SE 3G5 E 2G5  
MIX HGT (KFT)...1.8 3.0 0.6  
VRATE KT-FT/1K..24 30 4  
VENTRATE CAT....POOR POOR POOR  
 
 
FORECASTER...BRITT  
REQUESTED BY...KEVIN FELDEWERTH  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2607563.0/LSX  
.DELDT 03/24/26  
.FORMATTERVERSION 2.0.0  
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