594
FNUS73 KLOT 281318
FWSLOT
SPOT FORECAST FOR DITCH RX...USFS
NATIONAL WEATHER SERVICE CHICAGO IL
718 AM CST SAT FEB 28 2026
FORECAST IS BASED ON IGNITION TIME OF 0735 CST ON FEBRUARY 28.
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
CLOUDS WILL CONTINUE TO THICKEN THIS MORNING. HIGH TEMPERATURES
NEAR 40 DEGREES WILL HOLD MAXIMUM MIXING HEIGHTS TO AROUND 2000
FEET THIS AFTERNOON AND LEAD TO MINIMUM RELATIVE HUMIDITY VALUES
BETWEEN 40 AND 45 PERCENT. RELATIVELY LIGHT WINDS AROUND 5 MPH THIS
MORNING WILL BECOME DECIDEDLY NORTH TO NORTHEASTERLY, WITH
SUSTAINED SPEEDS INCREASING TO 10 TO 15 MPH AND GUSTS OCCASIONALLY
AS HIGH AS 20 MPH BY LATE AFTERNOON. A SNOWFLAKE OR TWO CANNOT BE
RULED OUT TODAY (ONLY A 5 TO 10% CHANCE).
TOMORROW WILL BE SIMILAR TODAY WITH RELATIVELY COOL CONDITIONS,
MOSTLY CLOUDY SKIES, AND NORTH TO NORTHEASTERLY WINDS OF 10 TO 15
MPH. WHILE HIGH TEMPERATURES WILL STRUGGLE TO CLIMB PAST THE
FREEZING MARK, A RENEWED PUSH OF DRY AIR WILL MAINTAIN MINIMUM
AFTERNOON RELATIVE HUMIDITY VALUES AROUND 45 PERCENT. NO
PRECIPITATION IS EXPECTED TOMORROW.
TODAY
SKY/WEATHER.........INCREASING CLOUDINESS.
TEMPERATURE.........AROUND 32 AT IGNITION WARMING TO A HIGH OF 40.
RH..................62 PERCENT AT IGNITION...MIN BETWEEN 40 AND 45
PERCENT.
WIND (20 FT)........NORTH AT 5 MPH BECOMING NORTHEAST 10 TO 15 MPH
WITH OCCASIONAL GUSTS TO 20 MPH LATE THIS
AFTERNOON.
CHANCE OF PCPN......10 PERCENT MAINLY THIS AFTERNOON.
TRANSPORT WINDS.....NORTHEAST 5 TO 10 MPH INCREASING TO 15 TO 20
MPH LATE IN THE AFTERNOON.
MIXING HEIGHT.......1500 FT AGL AT IGNITION...OTHERWISE 2200 FT AGL.
SMOKE DISPERSAL.....FAIR /14700 KNOT-FT/ AT IGNITION.
MAX...FAIR /28100 KNOT-FT/.
TIME (CST) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........52 61 71 76 82 87 89 90 91 86 81
WEATHER COV.....
WEATHER TYPE....
TEMP............31 32 35 38 40 40 39 39 38 37 35
RH..............75 67 55 46 44 43 46 49 52 54 58
20 FT WIND DIR..000 020 030 040 050 050 060 060 060 060 060
20 FT WIND SPD..7 9 9 9 9 9 12 13 14 14 13
20 FT WIND GUST.13 14 14 14 14 14 17 21 21 21 21
MIX HGT (KFT)...0.9 1.5 1.7 1.9 2.1 2.2 2.1 2.1 2.0 2.0 2.0
TRANSP WIND DIR.000 020 030 040 050 060 060 060 060 060 050
TRANSP WIND SPD.9 12 10 10 8 12 13 15 16 15 16
CHC OF PCPN (%).0 0 0 0 10 10 10 10 10 10 10
VRATE KT-FT/1K..7 15 15 16 15 22 23 27 28 27 28
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY.
TEMPERATURE.........MIN 25.
RH..................MAX 84 PERCENT.
WIND (20 FT)........NORTHEAST WINDS 10 TO 15 MPH SHIFTING TO THE
NORTH AROUND 10 MPH OVERNIGHT.
CHANCE OF PCPN......10 PERCENT.
TRANSPORT WINDS.....NORTH 15 TO 20 MPH.
MIXING HEIGHT.......1800 FT AGL.
SMOKE DISPERSAL.....GOOD (38000 KNOT-FT) EARLY IN THE EVENING
DECREASING TO FAIR (29100 KNOT-FT) LATE IN THE
NIGHT.
TIME (CST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........76 72 69 65 65 65 64 65 66 67 61 54
WEATHER COV.....
WEATHER TYPE....
TEMP............33 31 30 30 29 28 28 27 27 26 25 25
RH..............63 68 74 79 81 84 84 83 82 82 81 81
20 FT WIND DIR..050 050 040 040 030 030 020 020 010 000 010 000
20 FT WIND SPD..13 13 14 13 13 12 12 10 10 10 10 10
20 FT WIND GUST.20 21 22 22 22 21 17 17 17 17 17 17
MIX HGT (KFT)...1.8 1.8 1.8 1.8 1.9 2.0 2.1 2.3 2.4 2.5 2.5 2.6
TRANSP WIND DIR.050 050 040 040 030 010 000 000 000 000 000 000
TRANSP WIND SPD.18 20 20 20 20 18 17 16 17 17 17 16
CHC OF PCPN (%).10 10 0 0 0 0 0 0 0 0 0 0
VRATE KT-FT/1K..29 30 30 30 32 32 31 32 35 38 38 35
SUNDAY
SKY/WEATHER.........MOSTLY CLOUDY.
TEMPERATURE.........MAX 34.
RH..................MIN 46 PERCENT.
WIND (20 FT)........NORTHEAST WINDS 10 TO 15 MPH DECREASING TO 5 TO
10 MPH LATE IN THE AFTERNOON.
CHANCE OF PCPN......0 PERCENT.
TRANSPORT WINDS.....NORTH 15 TO 20 MPH BECOMING NORTHEAST 10 TO 15
MPH IN THE AFTERNOON.
MIXING HEIGHT.......3300 FT AGL.
SMOKE DISPERSAL.....FAIR (20200 KNOT-FT) EARLY IN THE MORNING
INCREASING TO GOOD (51100 KNOT-FT) IN THE
AFTERNOON.
TIME (CST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........48 51 58 64 60 56 53 58 64 69 72 75
WEATHER COV.....
WEATHER TYPE....
TEMP............25 25 26 28 30 32 33 34 34 34 33 31
RH..............78 77 72 68 61 55 50 48 46 46 48 51
20 FT WIND DIR..010 010 020 030 030 030 030 030 040 040 040 050
20 FT WIND SPD..10 12 12 13 12 12 10 10 10 9 8 7
20 FT WIND GUST.17 17 17 17 18 17 15 15 14 14 14 14
MIX HGT (KFT)...2.6 2.7 3.0 3.2 3.2 3.3 3.3 3.3 3.2 3.2 2.7 2.3
TRANSP WIND DIR.000 000 020 030 030 040 040 040 040 040 050 060
TRANSP WIND SPD.16 20 20 18 18 16 14 12 10 10 10 10
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0
VRATE KT-FT/1K..36 45 50 50 51 46 38 33 30 29 24 20
FORECASTER...BORCHARDT
REQUESTED BY...HANNAH WISSMILLER
TYPE OF REQUEST...PRESCRIBED
.TAG 2604099.2/LOT
.DELDT 02/28/26
.FORMATTERVERSION 2.0.0
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