097
FNUS73 KLOT 261140
FWSLOT
SPOT FORECAST FOR FY25 MIDEWIN EASTSIDE RX...USFS
NATIONAL WEATHER SERVICE CHICAGO IL
640 AM CDT WED MAR 26 2025
FORECAST IS BASED ON IGNITION TIME OF 0700 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
FOLLOWING THE CALM AND STAGNANT START TO THE DAY, EXPECT DEEP
MIXING HEIGHTS TO DEVELOP AGAIN TOWARD MIDDAY, PEAKING AT OR ABOVE
7 KFT AGL IN THE AFTERNOON, WHICH WILL ALLOW FOR GOOD SMOKE DISPERSAL.
WEST-NORTHWEST WINDS MAY BECOME SOMEWHAT BREEZY THIS AFTERNOON,
WITH MINIMUM RH OF 30-35% OR PERHAPS LOWER IF DEW POINTS DROP A
BIT MORE THAN FORECAST. THERE'S A CHANCE OF LIGHT RAIN SHOWERS
MAINLY AFTER DAYBREAK ON THURSDAY. WINDS WILL BECOME SOUTHERLY.
FEEL FREE TO CONTACT US IF YOU HAVE ANY QUESTIONS!
REST OF TODAY
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
TEMPERATURE.........30 AT IGNITION...MAX 56.
RH..................81 PERCENT AT IGNITION...MIN 34 PERCENT.
WIND (20 FT)........WINDS LIGHT AND VARIABLE AT IGNITION...BECOMING
SOUTHWEST AROUND 6 MPH LATE IN THE MORNING,
THEN NORTHWEST 7 TO 10 MPH IN THE AFTERNOON.
CHANCE OF PCPN......0 PERCENT.
TRANSPORT WINDS.....WEST 6 TO 7 MPH INCREASING TO NORTHWEST 13 TO
18 MPH.
MIXING HEIGHT.......300 FT AGL AT IGNITION...OTHERWISE 7000 FT AGL.
SMOKE DISPERSAL.....POOR /1700 KNOT-FT/ AT IGNITION.
MAX...EXCELLENT /95400 KNOT-FT/ INCREASING TO
EXCELLENT (103700 KNOT-FT) LATE IN THE
AFTERNOON.
TIME (CDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........67 64 60 57 55 53 51 51 51 52 49
WEATHER COV.....
WEATHER TYPE....
TEMP............30 33 38 43 46 49 51 53 55 56 56
RH..............81 78 73 65 58 52 46 41 38 35 34
20 FT WIND DIR..000 000 190 150 220 290 290 290 290 300 300
20 FT WIND SPD..0 0 2 5 7 8 9 10 10 12 10
20 FT WIND GUST. 1 3 6 9 12 13 14 16 16 14
MIX HGT (KFT)...0.3 0.4 0.7 1.2 2.3 3.9 5.2 6.1 6.8 7.0 6.9
TRANSP WIND DIR.240 270 300 300 300 300 300 300 300 300 300
TRANSP WIND SPD.7 6 6 6 8 10 13 14 16 18 17
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0
VRATE KT-FT/1K..2 2 3 6 16 36 58 73 95 112 104
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
SLIGHT CHANCE OF RAIN SHOWERS IN THE
PRE DAWN HOURS.
TEMPERATURE.........MIN 40.
RH..................MAX 82 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 5 TO 7 MPH EARLY IN THE EVENING
BECOMING LIGHT.
CHANCE OF PCPN......20 PERCENT.
TRANSPORT WINDS.....NORTHWEST AROUND 14 MPH BECOMING WEST AROUND 8
MPH EARLY IN THE EVENING, THEN SHIFTING TO THE
SOUTH 7 TO 9 MPH IN THE LATE EVENING AND
OVERNIGHT.
MIXING HEIGHT.......300 FT AGL.
SMOKE DISPERSAL.....GOOD (49600 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (1800 KNOT-FT) LATE IN THE
NIGHT.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........46 44 50 56 62 68 73 80 80 80 81 80
WEATHER COV..... SCH
WEATHER TYPE.... RW
TEMP............55 51 48 45 43 42 42 41 41 41 41 41
RH..............35 42 49 58 65 67 70 73 73 76 76 76
20 FT WIND DIR..300 300 270 200 170 180 180 190 190 200 200 190
20 FT WIND SPD..8 5 2 2 2 2 3 3 3 3 3 3
20 FT WIND GUST.10
MIX HGT (KFT)...4.1 0.7 0.4 0.4 0.4 0.4 0.4 0.3 0.3 0.3 0.3 0.4
TRANSP WIND DIR.300 300 270 210 180 180 190 190 190 200 200 190
TRANSP WIND SPD.14 8 8 9 8 9 9 8 7 7 7 8
CHC OF PCPN (%).0 0 0 0 0 10 10 10 10 10 10 20
VRATE KT-FT/1K..50 5 3 3 3 3 3 2 2 2 2 3
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS IN THE
MORNING AND EARLY AFTERNOON.
TEMPERATURE.........MAX 55.
RH..................MIN 57 PERCENT.
WIND (20 FT)........SOUTH WINDS 5 TO 8 MPH.
CHANCE OF PCPN......50 PERCENT.
TRANSPORT WINDS.....SOUTH 7 TO 10 MPH INCREASING TO 10 TO 14 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......1600 FT AGL.
SMOKE DISPERSAL.....POOR (2300 KNOT-FT) EARLY IN THE MORNING
INCREASING TO FAIR (19100 KNOT-FT) IN THE
AFTERNOON.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........80 81 82 83 85 85 85 87 84 82 81 80
WEATHER COV.....SCH CHC CHC CHC CHC CHC CHC CHC CHC CHC
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW
TEMP............41 40 42 44 47 50 51 52 54 55 55 54
RH..............79 82 79 76 71 63 63 61 59 57 59 64
20 FT WIND DIR..180 180 180 180 170 170 170 170 170 160 160 150
20 FT WIND SPD..5 5 6 6 7 8 8 9 9 9 9 9
20 FT WIND GUST. 7 8 10 13 14 14 14 14 14
MIX HGT (KFT)...0.4 0.4 0.4 0.6 0.7 1.0 1.5 1.6 1.2 1.3 1.3 1.1
TRANSP WIND DIR.180 180 180 180 170 170 170 170 170 160 160 150
TRANSP WIND SPD.8 8 7 8 8 10 14 14 12 10 12 12
CHC OF PCPN (%).20 50 50 50 40 40 40 30 30 30 10 10
VRATE KT-FT/1K..3 3 2 4 4 9 18 19 12 12 13 11
FORECASTER...CASTRO
REQUESTED BY...SHAUN TRABADO
TYPE OF REQUEST...PRESCRIBED
.TAG 2507441.4/LOT
.DELDT 03/26/25
.FORMATTERVERSION 2.0.0
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