112
FNUS73 KLSX 241408
FWSLSX
SPOT FORECAST FOR PORT HUDSON NUBBIN UNIT RXB...MISSOURI DEPARTMENT OF CONSERVATION
NATIONAL WEATHER SERVICE SAINT LOUIS MO
908 AM CDT TUE MAR 24 2026
FORECAST IS BASED ON IGNITION TIME OF 1000 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 TO SOUTHERLY WINDS ARE ANTICIPATED TO BE TOO WEAK FOR
ELEVATED FIRE DANGER. MIXING HEIGHTS WILL ALSO BE RISING ABOVE 1700
FT AGL BETWEEN 10 AND 11 AM AS A LOW-LEVEL TEMPERATURE INVERSION
BREAKS WITH HEIGHTS BETWEEN 4000 AND 4500 FT AGL THIS AFTERNOON
ALLOWING FOR GOOD SMOKE DISPERSAL THIS AFTERNOON. ANOTHER
INVERSION WILL QUICKLY DEVELOP AROUND SUNSET WITH RH ALSO RISING.
REST OF TODAY
SKY/WEATHER.........MOSTLY SUNNY (45-55 PERCENT).
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
TEMPERATURE.........47 AT IGNITION...MAX 65.
RH..................49 PERCENT AT IGNITION...MIN 24 PERCENT.
EYE LEVEL WINDS.....WINDS AROUND 2 MPH WITH AND ADJUSTMENT FACTOR OF 0.3
WIND (20 FT)........WINDS SOUTHEAST AT 8 MPH AT
IGNITION...OTHERWISE SOUTHEAST WINDS 5 TO 8
MPH.
MIXING HEIGHT.......1500 FT AGL AT IGNITION...OTHERWISE MAX 4200 FT
AGL.
TRANSPORT WINDS.....SOUTH 12 TO 16 MPH.
SMOKE DISPERSAL.....POOR /3110 M/S-M/ AT IGNITION. MAX...GOOD /7930
M/S-M/.
TIME (CDT) 10 AM NOON 2 PM 4 PM 6 PM 8 PM
SKY (%).........43 45 48 49 68 68
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............47 55 61 64 63 56
RH..............49 37 30 24 25 37
20 FT WIND......SE 8 SE 7 S 7 S 6 SE 5 E 5
20 FT WIND GUST.13 12 12 11 10 11
EYE LEVEL WIND..SE 4 SE 3 S 3 S 3 SE 2 E 2
EYE LVL WND GST.6 6 6 5 5 5
MIX HGT (KFT)...1.5 2.3 3.4 4.2 3.3 0.5
TRANSPORT WIND..S 15 S 15 S 15 S 13 S 9 E 12
VRATE KT-FT/1K..20 30 44 46 26 5
VENTRATE CAT....POOR POOR FAIR FAIR POOR POOR
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT).
CWR.................1 PERCENT.
CHANCE OF THUNDER...3 PERCENT.
TEMPERATURE.........MIN 45.
RH..................MAX 63 PERCENT.
EYE LEVEL WINDS.....WINDS AROUND 2 MPH WITH AND ADJUSTMENT FACTOR OF 0.3
WIND (20 FT)........SOUTHEAST WINDS AROUND 5 MPH EARLY IN THE
EVENING BECOMING LIGHT, THEN BECOMING SOUTHEAST
5 TO 6 MPH EARLY IN THE EVENING BECOMING LIGHT.
MIXING HEIGHT.......MIN 400 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 7 TO 9 MPH INCREASING TO 12 TO 14 MPH
EARLY IN THE EVENING, THEN SHIFTING TO THE
SOUTH 8 TO 13 MPH LATE IN THE EVENING.
SMOKE DISPERSAL.....POOR (440 M/S-M).
WEDNESDAY
SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT).
CWR.................1 PERCENT.
CHANCE OF THUNDER...4 PERCENT.
TEMPERATURE.........MAX 81.
RH..................MIN 39 PERCENT.
EYE LEVEL WINDS.....WINDS AROUND 3 MPH WITH AND ADJUSTMENT FACTOR OF 0.3
WIND (20 FT)........SOUTHWEST WINDS 5 TO 10 MPH EARLY IN THE
MORNING BECOMING LIGHT, THEN BECOMING SOUTHWEST
6 TO 10 MPH IN THE LATE MORNING AND AFTERNOON.
MIXING HEIGHT.......MAX 4300 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 8 TO 16 MPH INCREASING TO 18 TO 21
MPH LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (440 M/S-M) EARLY IN THE MORNING
INCREASING TO GOOD MAX (12180 M/S-M) IN THE
AFTERNOON.
FORECASTER...BRITT
REQUESTED BY...ELIZABETH THOMPSON
TYPE OF REQUEST...PRESCRIBED
.TAG 2607564.0/LSX
.DELDT 03/24/26
.FORMATTERVERSION 2.0.0
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