712
FNUS73 KLSX 241321
FWSLSX
SPOT FORECAST FOR CHANGE HOUSE & 107 WOODS...MO DNR
NATIONAL WEATHER SERVICE SAINT LOUIS MO
821 AM CDT TUE MAR 24 2026
FORECAST IS BASED ON IGNITION TIME OF 0800 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 60 PERCENT, REACHING
AROUND 30 PERCENT THIS AFTERNOON. HOWEVER, SOUTHEASTERLY TO SOUTHERLY WINDS
ARE ANTICIPATED TO BE TOO WEAK FOR ELEVATED FIRE DANGER. MIXING HEIGHTS
WILL ALSO BE RISING ABOVE 1700 FT AGL AROUND 11 AM AS A LOW-LEVEL
TEMPERATURE INVERSION BREAKS HELPING TO IMPROVE SMOKE DISPERSAL TO FAIR
LEVELS. ANOTHER INVERSION WILL QUICKLY DEVELOP AROUND SUNSET WITH RH ALSO
RISING.
REST OF TODAY
SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT).
CWR.................1 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
TEMPERATURE.........39 AT IGNITION...MAX 62.
RH..................67 PERCENT AT IGNITION...MIN 32 PERCENT.
EYE LEVEL WINDS.....WINDS AROUND 3 MPH WITH AN ADJUSTMENT FACTOR OF 0.3
WIND (20 FT)........WINDS SOUTHEAST AT 8 MPH AT
IGNITION...OTHERWISE SOUTHEAST WINDS 5 TO 10
MPH.
MIXING HEIGHT.......700 FT AGL AT IGNITION...OTHERWISE MAX 3900 FT
AGL.
TRANSPORT WINDS.....SOUTH 9 TO 18 MPH DECREASING TO AROUND 8 MPH
LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR /1510 M/S-M/ AT IGNITION. MAX...FAIR /5990
M/S-M/.
TIME (CDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM
SKY (%).........43 46 48 51 59 56 61 68 74 69 68 66
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............39 42 45 49 53 56 58 60 61 62 61 58
RH..............67 60 53 48 43 37 36 33 32 32 35 39
20 FT WIND DIR..SE SE SE SE S S S S S SE SE SE
20 FT WIND SPD..8 9 10 9 8 8 8 7 5 5 5 5
20 FT WIND GUST.13 14 15 15 15 15 14 13 12 11 10 10
EYE LVL WND DIR.SE SE SE SE S S S S S SE SE SE
EYE LVL WND SPD.4 4 5 4 4 4 4 3 2 2 2 2
EYE LVL WND GST.6 6 7 7 7 7 6 6 6 5 5 5
MIX HGT (KFT)...0.7 1.3 1.5 2.0 2.3 2.7 3.1 3.5 3.9 3.9 2.2 0.5
TRANSP WIND DIR.SE S S S S S S S S S SE E
TRANSP WIND SPD.15 18 17 17 15 15 14 13 9 8 6 10
VRATE KT-FT/1K..10 20 22 30 29 35 37 38 32 27 11 5
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR PR
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT).
CWR.................1 PERCENT.
CHANCE OF THUNDER...2 PERCENT.
TEMPERATURE.........MIN 45.
RH..................MAX 68 PERCENT.
EYE LEVEL WINDS.....WINDS AROUND 2 MPH WITH AN ADJUSTMENT FACTOR OF 0.3
WIND (20 FT)........SOUTHEAST WINDS 5 TO 7 MPH.
MIXING HEIGHT.......MIN 500 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 6 TO 15 MPH.
SMOKE DISPERSAL.....POOR (740 M/S-M).
WEDNESDAY
SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT).
CWR.................1 PERCENT.
CHANCE OF THUNDER...3 PERCENT.
TEMPERATURE.........MAX 76.
RH..................MIN 48 PERCENT.
EYE LEVEL WINDS.....WINDS AROUND 4 MPH WITH AN ADJUSTMENT FACTOR OF 0.3
WIND (20 FT)........SOUTH WINDS 5 TO 12 MPH.
MIXING HEIGHT.......MAX 2800 FT AGL.
TRANSPORT WINDS.....SOUTH 13 TO 22 MPH SHIFTING TO THE SOUTHWEST 21
TO 24 MPH LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (820 M/S-M) EARLY IN THE MORNING
INCREASING TO GOOD MAX (9110 M/S-M) IN THE
AFTERNOON.
FORECASTER...BRITT
REQUESTED BY...AMELIA KLENKE
TYPE OF REQUEST...PRESCRIBED
.TAG 2607542.0/LSX
.DELDT 03/24/26
.FORMATTERVERSION 2.0.0
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