191
FNUS73 KLOT 261449
FWSLOT
SPOT FORECAST FOR RX BLW CARLSON...FOREST PRESERVE DISTRICT OF DUPAGE COUNTY
NATIONAL WEATHER SERVICE CHICAGO IL
949 AM CDT WED MAR 26 2025
FORECAST IS BASED ON IGNITION TIME OF 1200 CDT ON MARCH 26.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
PLEASE CONTACT OUR OFFICE AT (815) 834-0666 IF YOU HAVE QUESTIONS
OR CONCERNS WITH THIS FORECAST.
DISCUSSION
GENERALLY LIGHT WESTERLY WINDS EARLY THIS AFTERNOON WILL TURN
NORTHWESTERLY AND GUST TO 20 TO 25 MPH FOR THE LATTER HALF OF THE
AFTERNOON. MIDDAY RELATIVE HUMIDITY IS EXPECTED TO FALL BETWEEN
30 AND 35%. FILTERED SUNSHINE WILL ALLOW FOR DEEP MIXING HEIGHTS
TO AROUND 7,000 FT AGL. THERE IS A NON-ZERO CHANCE THAT THE BURN
SITE GETS CLIPPED BY A BRIEF LIGHT SHOWER THIS AFTERNOON, ALTHOUGH
NO PRECIPITATION IS ANTICIPATED.
SCATTERED RAIN SHOWERS WILL MOVE INTO THE AREA LATE TONIGHT AND
STICK AROUND THROUGH THURSDAY MORNING. A MAJORITY OF THE AFTERNOON
WILL BE DRY BEFORE A CHANCE FOR THUNDERSTORMS ARRIVES LATE IN THE
EVENING AND OVERNIGHT.
REST OF TODAY
SKY/WEATHER.........PARTLY CLOUDY.
TEMPERATURE.........49 AT IGNITION...MAX 55.
RH..................44 PERCENT AT IGNITION...MIN 32 PERCENT.
WIND (20 FT)........WINDS WEST AT 8 MPH AT IGNITION...OTHERWISE
WEST WINDS 7 TO 10 MPH SHIFTING TO THE
NORTHWEST 9 TO 12 MPH LATE IN THE AFTERNOON.
CHANCE OF PCPN......0 PERCENT.
TRANSPORT WINDS.....WEST 10 TO 14 MPH SHIFTING TO THE NORTHWEST 16
TO 18 MPH LATE IN THE AFTERNOON.
MIXING HEIGHT.......3800 FT AGL AT IGNITION...OTHERWISE 7300 FT
AGL.
SMOKE DISPERSAL.....GOOD /32700 KNOT-FT/ AT IGNITION.
MAX...EXCELLENT /116000 KNOT-FT/.
TIME (CDT) 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........53 48 50 52 56 55
WEATHER COV.....M
WEATHER TYPE....M
TEMP............49 52 54 55 55 55
RH..............44 39 35 34 32 32
20 FT WIND DIR..270 280 280 290 300 320
20 FT WIND SPD..8 9 10 12 13 10
20 FT WIND GUST.12 13 14 17 18 15
MIX HGT (KFT)...3.8 5.8 6.8 7.1 7.3 7.2
TRANSP WIND DIR.280 280 290 300 310 320
TRANSP WIND SPD.10 13 14 16 18 17
CHC OF PCPN (%).0 0 0 0 0 0
VRATE KT-FT/1K..33 64 81 101 116 109
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
SLIGHT CHANCE OF RAIN SHOWERS EARLY IN THE
MORNING.
TEMPERATURE.........MIN 40.
RH..................MAX 86 PERCENT.
WIND (20 FT)........NORTH WINDS AROUND 6 MPH EARLY IN THE EVENING
BECOMING LIGHT, THEN BECOMING SOUTHWEST AROUND
5 MPH OVERNIGHT.
CHANCE OF PCPN......20 PERCENT.
TRANSPORT WINDS.....NORTH AROUND 15 MPH DECREASING TO 8 TO 9 MPH
EARLY IN THE EVENING, THEN SHIFTING TO THE
SOUTH 9 TO 10 MPH LATE IN THE EVENING SHIFTING
TO THE SOUTHWEST 8 TO 10 MPH OVERNIGHT.
MIXING HEIGHT.......400 FT AGL.
SMOKE DISPERSAL.....EXCELLENT (62300 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (2900 KNOT-FT) LATE IN THE
NIGHT.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........54 54 61 67 74 76 77 80 80 80 81 84
WEATHER COV..... SCH
WEATHER TYPE.... RW
TEMP............54 51 48 46 44 43 42 42 42 41 41 41
RH..............34 39 46 51 58 62 65 67 67 73 73 76
20 FT WIND DIR..340 000 050 140 180 190 210 220 220 220 220 210
20 FT WIND SPD..7 3 2 2 3 3 5 5 5 5 5 5
20 FT WIND GUST.9
MIX HGT (KFT)...4.9 0.7 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.5 0.5 0.5
TRANSP WIND DIR.340 000 040 140 180 190 210 220 220 220 220 210
TRANSP WIND SPD.15 9 8 9 10 10 10 8 8 8 8 8
CHC OF PCPN (%).0 0 0 0 10 10 10 0 10 10 10 20
VRATE KT-FT/1K..62 6 3 3 4 4 4 3 3 3 3 4
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS
EARLY IN THE MORNING, THEN CHANCE OF RAIN
SHOWERS EARLY IN THE MORNING. SLIGHT CHANCE OF
RAIN SHOWERS IN THE LATE MORNING AND EARLY
AFTERNOON.
TEMPERATURE.........MAX 54.
RH..................MIN 59 PERCENT.
WIND (20 FT)........SOUTH WINDS 5 TO 7 MPH.
CHANCE OF PCPN......40 PERCENT.
TRANSPORT WINDS.....SOUTH 7 TO 12 MPH INCREASING TO 10 TO 15 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......1600 FT AGL.
SMOKE DISPERSAL.....POOR (2500 KNOT-FT) EARLY IN THE MORNING
INCREASING TO FAIR (21400 KNOT-FT) IN THE
AFTERNOON.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........87 92 88 84 81 81 81 83 79 76 73 73
WEATHER COV.....SCH CHC CHC CHC SCH SCH SCH SCH SCH SCH
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW
TEMP............41 40 41 44 46 48 49 52 53 54 54 53
RH..............79 85 86 76 73 71 68 63 61 59 59 64
20 FT WIND DIR..210 200 200 190 180 180 180 180 180 170 170 160
20 FT WIND SPD..5 5 6 6 7 7 8 8 8 8 8 8
20 FT WIND GUST. 7 8 9 12 13 13 13 13 13
MIX HGT (KFT)...0.6 0.5 0.4 0.7 0.8 0.9 1.1 1.6 1.4 1.5 1.6 1.2
TRANSP WIND DIR.210 210 200 190 180 180 180 180 180 170 170 160
TRANSP WIND SPD.8 7 7 8 9 9 12 15 12 10 10 10
CHC OF PCPN (%).20 40 40 40 20 20 20 20 20 20 0 0
VRATE KT-FT/1K..4 3 3 5 6 7 11 21 14 14 15 11
FORECASTER...DOOM
REQUESTED BY...ADAM CARLSON
TYPE OF REQUEST...PRESCRIBED
.TAG 2508046.0/LOT
.DELDT 03/26/25
.FORMATTERVERSION 2.0.0
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