640
FNUS73 KLSX 132255
FWSLSX
SPOT FORECAST FOR RODERICK...IL DNR
NATIONAL WEATHER SERVICE SAINT LOUIS MO
555 PM CDT FRI MAR 13 2026
FORECAST IS BASED ON IGNITION TIME OF 1100 CDT ON MARCH 14.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE
NATIONAL WEATHER SERVICE.
DISCUSSION
SATURDAY WILL BE DRY AND CLOUDY WITH SCATTERED CLOUD COVER THROUGH
THE DAY. A WARM FRONT WILL BE LIFTING NORTH INTO THE AREA WITH
INCREASING SUSTAINED SOUTHEAST SURFACE WINDS AHEAD OF IT. THE TRUE
FRONT WILL NOT PASS UNTIL THE EVENING. VERY GUSTY, NEAR WIND ADVISORY
SOUTH WINDS WILL INCREASE ON SUNDAY WITH THUNDERSTORMS MOVING THROUGH
IN THE AFTERNOON. THE FORECAST FOR BOTH REQUESTED SPOT FORECASTS IS
THE SAME.
SATURDAY
SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT).
CWR.................1 PERCENT.
TEMPERATURE.........46 AT IGNITION...MAX 60.
RH..................45 PERCENT AT IGNITION...MIN 38 PERCENT.
EYE LEVEL WINDS.....WINDS SOUTHEAST AT 3 TO 4 MPH AT IGNITION...
USING AN ADJUSTMENT FACTOR OF 0.3.
WIND (20 FT)........WINDS SOUTHEAST AT 11 MPH AT
IGNITION...OTHERWISE SOUTHEAST WINDS 11 TO 13
MPH.
MIXING HEIGHT.......2000 FT AGL AT IGNITION...OTHERWISE MAX 3200 FT
AGL.
TRANSPORT WINDS.....SOUTHEAST 21 TO 24 MPH.
SMOKE DISPERSAL.....MARGINAL /5780 M/S-M/ AT IGNITION. MAX...GOOD
/9980 M/S-M/.
TIME (CDT) 11 AM 1 PM 3 PM 5 PM 7 PM 9 PM
SKY (%).........39 37 30 28 36 62
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE NONE
TSTM COV........
CWR.............0 0 0 0 0 0
TEMP............46 52 58 59 58 55
RH..............45 39 39 45 53 64
20 FT WIND......SE 11 SE 12 SE 13 SE 12 SE 10 SE 12
20 FT WIND GUST.17 18 19 18 17 19
EYE LEVEL WIND..SE 5 SE 6 SE 6 SE 6 SE 5 SE 6
EYE LVL WND GST.8 8 9 8 8 9
MIX HGT (KFT)...2.0 2.8 3.1 2.9 0.9 1.1
TRANSPORT WIND..SE 21 SE 23 S 23 S 24 SE 18 SE 18
VRATE KT-FT/1K..37 56 61 62 14 18
VENTRATE CAT....POOR FAIR GOOD GOOD POOR POOR
SATURDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT) THEN BECOMING
MOSTLY CLOUDY (60-70 PERCENT).
CWR.................3 PERCENT.
TEMPERATURE.........MIN 51.
RH..................MAX 83 PERCENT.
EYE LEVEL WINDS.....SOUTHEAST WINDS 3 TO 5 MPH WITH GUSTS TO
AROUND 11 MPH...USING AN ADJUSTMENT FACTOR
OF 0.3.
WIND (20 FT)........SOUTHEAST WINDS 10 TO 15 MPH WITH GUSTS TO
AROUND 23 MPH.
MIXING HEIGHT.......MIN 900 FT AGL.
TRANSPORT WINDS.....SOUTH 18 TO 25 MPH.
SMOKE DISPERSAL.....FAIR (6110 M/S-M) EARLY IN THE EVENING
DECREASING TO POOR MIN (2250 M/S-M) LATE IN THE
NIGHT.
SUNDAY
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). CHANCE OF RAIN
IN THE MORNING. RAIN EARLY IN THE AFTERNOON,
THEN RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS LATE IN THE AFTERNOON.
CWR.................83 PERCENT.
TEMPERATURE.........MAX 68.
RH..................MIN 54 PERCENT.
EYE LEVEL WINDS.....SOUTH WINDS 4 TO 7 MPH. GUSTS UP TO 11 TO 12 MPH
LATE IN THE MORNING...USING AN ADJUSTMENT FACTOR
OF 0.3.
WIND (20 FT)........SOUTH WINDS 16 TO 22 MPH. GUSTS UP TO 37 MPH
INCREASING TO 39 MPH LATE IN THE MORNING. GUSTY
AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS
LATE IN THE AFTERNOON.
MIXING HEIGHT.......MAX 4800 FT AGL.
TRANSPORT WINDS.....SOUTH 25 TO 32 MPH INCREASING TO 36 TO 41 MPH
IN THE LATE MORNING AND AFTERNOON.
SMOKE DISPERSAL.....FAIR (7160 M/S-M) EARLY IN THE MORNING
INCREASING TO EXCELLENT MAX (18780 M/S-M) IN
THE AFTERNOON INCREASING TO EXCELLENT (16290
M/S-M) IN THE LATE MORNING AND AFTERNOON.
FORECASTER...JAJA
REQUESTED BY...EMMA LAUNER
TYPE OF REQUEST...PRESCRIBED
.TAG 2605713.0/LSX
.DELDT 03/13/26
.FORMATTERVERSION 2.0.0
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