688
FNUS73 KPAH 231202
FWSPAH
SPOT FORECAST FOR GIANT CITY UNIT...ILLINOIS DEPT. OF NATURAL RESOURCES
NATIONAL WEATHER SERVICE PADUCAH KY
702 AM CDT MON MAR 23 2026
FORECAST IS BASED ON IGNITION TIME OF 0800 CDT ON MARCH 23.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
DRIER AND COOLER AIR WILL RETURN BEHIND A DEPARTING COLD FRONT
TODAY. MOST LOCATIONS WILL SEE MINIMUM RH VALUES OF 22-32% THIS
AFTERNOON AND AGAIN TUESDAY AFTERNOON. DEEPER MIXING AND NE
TRANSPORT WINDS WILL BE SUPPORTIVE OF GOOD SMOKE DISPERSION TODAY
WHILE WINDS ALOFT WILL DECREASE TUESDAY FAVORING POOR CONDITIONS.
THE NEXT CHANCE OF WETTING RAINS WILL ARRIVE THURSDAY NIGHT INTO
FRIDAY WHEN ANOTHER STRONG COLD FRONT PASSES THROUGH THE REGION.
RAINFALL TOTALS ARE EXPECTED TO REMAIN BELOW A HALF INCH. RECORD
WARMTH WILL ARRIVE AHEAD OF THE COLD FRONT ON THURSDAY WITH HIGHS
WARMING WELL INTO THE 80S ACROSS MUCH OF THE AREA.
REST OF TODAY
SKY/WEATHER.........SUNNY (15-25 PERCENT) THEN BECOMING PARTLY
SUNNY (55-65 PERCENT).
CWR.................0 PERCENT.
TEMPERATURE.........37 AT IGNITION...MAX 55.
RH..................70 PERCENT AT IGNITION...MIN 34 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......WINDS NORTH AT 12 MPH AT IGNITION...OTHERWISE
NORTH WINDS 9 TO 12 MPH. GUSTS UP TO 26 MPH
EARLY IN THE MORNING.
MIXING HEIGHT.......2100 FT AGL AT IGNITION...OTHERWISE 3000 FT
AGL.
TRANSPORT WINDS.....NORTH 20 TO 26 MPH.
SMOKE DISPERSAL.....FAIR /47700 KNOT-FT/ AT IGNITION. MAX...FAIR
/52000 KNOT-FT/.
TIME (CDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY COVER.......MCR MCR CLR MCR MCR PC PC PC MC MC
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0
TEMP............37 39 42 45 47 49 52 53 54 55
RH..............70 62 55 47 45 40 36 35 32 31
20 FT WIND DIR..N N N N N N N N NE NE
20 FT WIND SPD..12 12 12 10 10 10 10 10 9 9
20 FT WIND GUST.26 24 23 22 21 20 18 18 18 18
MIX HGT (KFT)...2.1 2.4 2.4 2.5 2.5 2.6 2.7 3.0 2.8 2.8
TRANSP WIND DIR.N N N N N N N N NE NE
TRANSP WIND SPD.26 25 23 21 20 20 20 20 20 20
VRATE KT-FT/1K..48 52 47 44 43 44 46 51 48 47
VENTRATE CAT....FR FR FR FR FR FR FR FR FR FR
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (55-65 PERCENT) THEN BECOMING
PARTLY CLOUDY (40-50 PERCENT) THEN BECOMING
MOSTLY CLOUDY (50-60 PERCENT) THEN BECOMING
PARTLY CLOUDY (45-55 PERCENT) THEN BECOMING
MOSTLY CLOUDY (60-70 PERCENT).
CWR.................0 PERCENT.
TEMPERATURE.........MIN 38.
RH..................MAX 67 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......NORTHEAST WINDS 6 TO 8 MPH.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....EAST 13 TO 20 MPH.
SMOKE DISPERSAL.....FAIR (47800 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (5500 KNOT-FT) LATE IN THE
NIGHT.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY COVER.......MC PC MC PC MC MC MC MC MC MC MC MC
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............53 52 50 47 45 45 44 43 43 42 41 40
RH..............35 39 42 47 53 53 55 55 55 57 59 62
20 FT WIND DIR..NE NE NE NE NE NE NE NE E NE E E
20 FT WIND SPD..8 7 6 6 6 6 6 7 6 6 6 6
20 FT WIND GUST.17 15 15 15 15 15 16 16 15 14 13 13
MIX HGT (KFT)...2.8 0.6 0.6 0.5 0.5 0.6 0.6 0.5 0.9 0.9 0.8 0.8
TRANSP WIND DIR.NE NE NE NE E E E E E E E E
TRANSP WIND SPD.20 13 13 13 14 14 15 15 15 13 14 13
VRATE KT-FT/1K..48 7 6 6 6 7 8 7 11 10 10 9
VENTRATE CAT....FR PR PR PR PR PR PR PR PR PR PR PR
TUESDAY
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT) THEN BECOMING
MOSTLY SUNNY (40-50 PERCENT).
CWR.................0 PERCENT.
TEMPERATURE.........MAX 60.
RH..................MIN 33 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......EAST WINDS 5 TO 6 MPH IN THE MORNING BECOMING
LIGHT.
MIXING HEIGHT.......2600 FT AGL.
TRANSPORT WINDS.....EAST 8 TO 13 MPH SHIFTING TO THE SOUTHEAST 5 TO
8 MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (5500 KNOT-FT).
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY COVER.......MC MC MC MC MC MC MC PC PC PC PC PC
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............40 40 39 41 46 50 53 56 58 59 60 59
RH..............62 62 67 62 51 44 41 37 34 33 33 36
20 FT WIND DIR..E E E E E E SE SE SE SE SE E
20 FT WIND SPD..6 6 5 5 5 3 3 3 3 3 3 3
20 FT WIND GUST.13 13 12 12 10 10 9 9 8 8 8 7
MIX HGT (KFT)...0.5 0.5 1.0 1.0 1.1 1.3 1.5 1.7 2.2 2.6 2.6 2.0
TRANSP WIND DIR.E E E E E SE SE SE SE SE SE SE
TRANSP WIND SPD.13 13 13 10 8 8 7 5 5 6 7 8
VRATE KT-FT/1K..6 6 11 9 8 9 8 7 9 13 16 13
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR PR
FORECASTER...HICKFORD
REQUESTED BY...JACOB HESS DISTRICT FORSESTER
TYPE OF REQUEST...PRESCRIBED
.TAG 2607128.1/PAH
.DELDT 03/23/26
.FORMATTERVERSION 2.0.0
.EMAIL JACOB.HESS@ILLINOIS.GOV
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page