471
FNUS73 KLSX 091901
FWSLSX
SPOT FORECAST FOR FREDERICKTOWN WILDFIRE...FREDERICKTOWN FIRE DEPARTMENT
NATIONAL WEATHER SERVICE SAINT LOUIS MO
201 PM CDT TUE SEP 9 2025
FORECAST IS BASED ON FORECAST START TIME OF 1400 CDT ON SEPTEMBER 09.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE
NATIONAL WEATHER SERVICE.
DISCUSSION
RH VALUES WILL CONTINUE TO DROP THIS AFTERNOON INTO THE UPPER 20S
BETWEEN 3-5 PM TODAY, THOUGH WINDS WILL REMAIN LIGHT AND VARIABLE
THROUGH THE OVERNIGHT HOURS. THE LIGHT WINDS EXTEND THROUGH THE
MIXED LAYER THIS AFTERNOON (UP TO AROUND 5,000 FT), AND SO WILL
RESULT IN POOR SMOKE DISPERSION. THE MIXED LAYER WILL DIMINISH WITH
SUNSET, AROUND 7 PM, AND WILL TRAP WILDFIRE SMOKE NEAR THE SURFACE
OVERNIGHT. RH VALUES WILL INCREASE OVER THE EVENING, REACHING THE
UPPER 60S BY MIDNIGHT. NO PRECIPITATION IS FORECAST INTO TOMORROW
MORNING.
REST OF TODAY
SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT).
CWR.................0 PERCENT.
CHANCE OF THUNDER...2 PERCENT.
TEMPERATURE.........81 AT FORECAST START...MAX 82.
RH..................33 PERCENT AT FORECAST START...MIN 28 PERCENT.
EYE LEVEL WINDS.....LIGHT AND VARIABLE.
WIND (20 FT)........WINDS SOUTHEAST AT 2 MPH AT FORECAST
START...OTHERWISE LIGHT WINDS.
MIXING HEIGHT.......5500 FT AGL AT FORECAST START...OTHERWISE MAX
5700 FT AGL.
TRANSPORT WINDS.....SOUTH 5 TO 6 MPH.
SMOKE DISPERSAL.....POOR /3430 M/S-M/ AT FORECAST START. MAX...POOR
/4510 M/S-M/.
TIME (CDT) 2 PM 4 PM 6 PM 8 PM 10 PM MIDNGT
SKY (%).........46 18 15 19 30 37
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE NONE
TSTM COV........
CWR.............0 0 0 0 0 0
CHC OF THDR (%).0 0 0 0 0 0
TEMP............81 82 80 71 67 63
RH..............33 28 34 47 56 67
20 FT WIND......SE 2 SE 3 SE 2 SE 2 E 2 E 2
20 FT WIND GUST.7 7 5 5 4 4
EYE LEVEL WIND..SE 1 SE 1 SE 1 SE 1 E 1 E 1
EYE LVL WND GST.3 3 2 2 2 2
MIX HGT (KFT)...5.5 5.7 4.1 0.4 0.4 0.4
TRANSPORT WIND..S 5 S 6 S 6 SE 6 SE 5 SE 5
VRATE KT-FT/1K..22 29 21 2 2 2
VENTRATE CAT....POOR POOR POOR POOR POOR POOR
FORECASTER...DELIA
REQUESTED BY...KEVIN JONES
TYPE OF REQUEST...WILDFIRE
.TAG 2521645.0/LSX
.DELDT 09/09/25
.FORMATTERVERSION 2.0.0
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