698
FNUS73 KLOT 241426
FWSLOT
SPOT FORECAST FOR RX DAA CARLSON...FOREST PRESERVE DISTRICT OF DUPAGE COUNTY
NATIONAL WEATHER SERVICE CHICAGO IL
926 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.
PLEASE CONTACT OUR OFFICE AT (815) 834-0666 IF YOU HAVE QUESTIONS
OR CONCERNS WITH THIS FORECAST.
DISCUSSION
TEMPERATURES IN THE 30S THIS MORNING WILL CLIMB INTO THE 50S THIS
AFTERNOON WITH RH VALUES FALLING TO AROUND 25%. WINDS WILL BE OUT OF THE
SOUTH TO SOUTH-SOUTHWEST TODAY AND WILL NOT FLUCTUATE MUCH, THOUGH THEY
WILL GRADUALLY DIMINISH OVER THE COURSE OF THIS AFTERNOON AND MAY TURN
SOUTH-SOUTHEASTERLY BY AROUND 5-6 PM. MIXING HEIGHTS WILL ALSO PEAK AT
AROUND 3000 FT AGL THIS AFTERNOON WITH FAIR SMOKE DISPERSAL EXPECTED.
NO PRECIPITATION IS EXPECTED.
WARMER TEMPERATURES, BREEZIER SOUTH-SOUTHWESTERLY WINDS, AND SLIGHTLY
HIGHER PEAK MIXING HEIGHTS ARE EXPECTED TOMORROW. RH VALUES WILL CLIMB
BACK INTO THE 60-80% RANGE OVERNIGHT INTO TOMORROW MORNING BUT WILL
LIKELY FALL BACK DOWN TO AROUND 25% TOMORROW AFTERNOON.
REST OF TODAY
SKY/WEATHER.........MOSTLY CLOUDY.
TEMPERATURE.........37 AT IGNITION...MAX 52.
RH..................44 PERCENT AT IGNITION...MIN 26 PERCENT.
WIND (20 FT)........SOUTH WINDS AROUND 10 MPH AT IGNITION...OTHERWISE
SOUTH WINDS 7 TO 10 MPH DECREASING TO AROUND 5
MPH LATE IN THE AFTERNOON.
CHANCE OF PCPN......0 PERCENT.
TRANSPORT WINDS.....SOUTH 10 TO 15 MPH DECREASING TO 5 TO 7 MPH LATE
IN THE AFTERNOON.
MIXING HEIGHT.......1700 FT AGL AT IGNITION...OTHERWISE 2900 FT
AGL.
SMOKE DISPERSAL.....FAIR /20200 KNOT-FT/ AT IGNITION. MAX...FAIR
/25800 KNOT-FT/.
TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........60 72 79 78 82 84 86 82
WEATHER COV.....
WEATHER TYPE....
TEMP............37 40 44 47 49 51 52 52
RH..............44 42 38 34 30 28 26 27
20 FT WIND DIR..190 190 200 200 200 200 200 180
20 FT WIND SPD..9 10 10 9 8 7 6 6
20 FT WIND GUST.17 17 16 15 14 13 10 9
MIX HGT (KFT)...1.7 1.9 2.2 2.3 2.5 2.9 2.8 2.4
TRANSP WIND DIR.190 190 200 200 200 200 200 180
TRANSP WIND SPD.14 14 14 12 10 9 7 6
CHC OF PCPN (%).0 0 0 0 0 0 0 0
VRATE KT-FT/1K..20 23 26 23 23 23 17 12
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
TEMPERATURE.........MIN 38.
RH..................MAX 75 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 5 TO 6 MPH EARLY IN THE EVENING
BECOMING LIGHT.
CHANCE OF PCPN......0 PERCENT.
TRANSPORT WINDS.....SOUTHEAST 5 TO 10 MPH SHIFTING TO THE SOUTH 10
TO 12 MPH OVERNIGHT.
MIXING HEIGHT.......400 FT AGL.
SMOKE DISPERSAL.....POOR (2500 KNOT-FT).
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........66 63 49 37 39 34 44 48 52 56 54 55
WEATHER COV.....
WEATHER TYPE....
TEMP............51 49 46 44 42 41 40 40 40 40 39 39
RH..............28 33 40 46 49 51 54 57 60 62 66 69
20 FT WIND DIR..170 160 150 140 130 140 150 150 160 160 160 160
20 FT WIND SPD..6 6 6 5 3 3 3 3 3 3 5 3
20 FT WIND GUST.9
MIX HGT (KFT)...1.9 0.5 0.5 0.4 0.4 0.4 0.4 0.4 0.4 0.5 0.5 0.5
TRANSP WIND DIR.170 160 150 140 130 140 150 150 160 160 160 160
TRANSP WIND SPD.6 7 8 8 10 10 10 12 12 12 10 12
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0
VRATE KT-FT/1K..10 3 3 3 3 3 4 4 4 5 4 5
WEDNESDAY
SKY/WEATHER.........PARTLY SUNNY.
TEMPERATURE.........MAX 68.
RH..................MIN 25 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST 13 TO 15 MPH.
CHANCE OF PCPN......0 PERCENT.
TRANSPORT WINDS.....SOUTH 10 TO 15 MPH INCREASING TO 16 TO 21 MPH
IN THE LATE MORNING AND AFTERNOON.
MIXING HEIGHT.......3300 FT AGL.
SMOKE DISPERSAL.....POOR (4400 KNOT-FT) EARLY IN THE MORNING
INCREASING TO EXCELLENT (61100 KNOT-FT) IN THE
AFTERNOON.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........52 50 56 54 52 58 62 64 63 61 61 63
WEATHER COV.....
WEATHER TYPE....
TEMP............38 38 41 45 49 54 59 64 67 68 68 67
RH..............72 75 70 61 46 40 33 28 26 25 26 28
20 FT WIND DIR..170 170 180 190 190 200 200 200 200 210 210 210
20 FT WIND SPD..3 5 7 10 12 13 14 15 15 15 15 14
20 FT WIND GUST. 12 14 20 21 23 23 23 23 21
MIX HGT (KFT)...0.5 0.5 0.6 0.9 1.1 1.4 1.8 2.3 2.6 3.0 3.3 2.5
TRANSP WIND DIR.170 170 180 190 190 190 200 200 200 210 210 210
TRANSP WIND SPD.10 12 12 14 16 16 17 18 20 21 21 20
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0
VRATE KT-FT/1K..4 5 6 11 16 20 28 36 45 54 61 42
FORECASTER...OGOREK
REQUESTED BY...ADAM CARLSON
TYPE OF REQUEST...PRESCRIBED
.TAG 2607581.0/LOT
.DELDT 03/24/26
.FORMATTERVERSION 2.0.0
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