894
FNUS73 KLSX 211200
FWSLSX
SPOT FORECAST FOR CONNELLY WOODS UNIT...MISSOURI DEPARTMENT OF CONSERVATION
NATIONAL WEATHER SERVICE SAINT LOUIS MO
600 AM CST WED JAN 21 2026
FORECAST IS BASED ON IGNITION TIME OF 1100 CST ON JANUARY 21.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE
NATIONAL WEATHER SERVICE.
DISCUSSION
WINDS BE OUT OF THE WEST TODAY BEHIND A COLD FRONT THAT WILL MOVE
ACROSS THE BURN SITE THIS MORNING, AND THEN TURN OUT OF THE NORTHWEST
THIS EVENING BEHIND A SECOND COLD FRONT. MIXING HEIGHTS WILL CLIMB
TO AROUND 3000 FEET THIS AFTERNOON WITH GOOD SMOKE DISPERSAL.
WINDS WILL BE LIGHTER ON THURSDAY LEADING TO POOR SMOKE DISPERAL.
MINIMUM RELATIVE HUMIDITY VALUES WILL BE BETWEEN 35 AND 40 PERCENT WITH
LOWER VALUES NEAR 30 PERCENT ON THURSDAY.
DRY WEATHER IS EXPECTED THROUGH FRIDAY BEFORE THERE IS A CHANCE
OF SNOW OVER THE WEEKEND.
REST OF TODAY
SKY/WEATHER.........SUNNY (0-10 PERCENT).
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
TEMPERATURE.........42 AT IGNITION...MAX 46.
RH..................57 PERCENT AT IGNITION...MIN 38 PERCENT.
EYE LEVEL WINDS.....WINDS AROUND 3 MPH WITH AN ADJUSTMENT FACTOR OF 0.3
WIND (20 FT)........WINDS WEST AT 8 MPH AT IGNITION...OTHERWISE
WEST WINDS 7 TO 9 MPH. GUSTS UP TO 22 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......2500 FT AGL AT IGNITION...OTHERWISE MAX 2900 FT
AGL.
TRANSPORT WINDS.....WEST 13 TO 20 MPH.
SMOKE DISPERSAL.....FAIR /6800 M/S-M/ AT IGNITION. MAX...GOOD /7860
M/S-M/.
TIME (CST) 11 AM 1 PM 3 PM 5 PM 7 PM 9 PM
SKY (%).........9 4 4 4 4 5
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............42 45 46 44 40 36
RH..............57 47 40 41 44 52
20 FT WIND......W 8 W 9 W 9 W 7 W 7 W 9
20 FT WIND GUST.16 19 19 17 17 19
EYE LEVEL WIND..W 4 W 4 W 4 W 3 W 3 W 4
EYE LVL WND GST.7 9 9 8 8 9
MIX HGT (KFT)...2.5 2.9 2.9 0.6 0.5 0.7
TRANSPORT WIND..W 20 W 18 W 20 W 13 W 14 W 16
VRATE KT-FT/1K..43 46 50 7 6 10
VENTRATE CAT....FAIR FAIR FAIR POOR POOR POOR
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
TEMPERATURE.........MIN 22.
RH..................MAX 71 PERCENT.
EYE LEVEL WINDS.....WINDS AROUND 3 MPH WITH AN ADJUSTMENT FACTOR OF 0.3
WIND (20 FT)........WEST WINDS AROUND 6 MPH EARLY IN THE EVENING
INCREASING TO 7 TO 9 MPH WITH GUSTS TO AROUND
19 MPH, THEN SHIFTING TO THE NORTHWEST 5 TO 8
MPH WITH GUSTS TO AROUND 18 MPH LATE IN THE
EVENING BECOMING LIGHT.
MIXING HEIGHT.......MIN 400 FT AGL.
TRANSPORT WINDS.....WEST 13 TO 17 MPH SHIFTING TO THE NORTH 8 TO 16
MPH OVERNIGHT.
SMOKE DISPERSAL.....POOR (720 M/S-M).
THURSDAY
SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT).
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
TEMPERATURE.........MAX 41.
RH..................MIN 30 PERCENT.
EYE LEVEL WINDS.....LIGHT WINDS.
WIND (20 FT)........LIGHT WINDS.
MIXING HEIGHT.......MAX 2800 FT AGL.
TRANSPORT WINDS.....NORTH 3 TO 7 MPH.
SMOKE DISPERSAL.....POOR (520 M/S-M).
FORECASTER...BRITT
REQUESTED BY...DAVID SHIEH
TYPE OF REQUEST...PRESCRIBED
.TAG 2600730.0/LSX
.DELDT 01/21/26
.FORMATTERVERSION 2.0.0
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