653
FNUS73 KLOT 292106
FWSLOT
SPOT FORECAST FOR COWLES WEST RX FIRE...INDIANA DUNES NATIONAL PARK
NATIONAL WEATHER SERVICE CHICAGO IL
406 PM CDT SUN MAR 29 2026
FORECAST IS BASED ON IGNITION TIME OF 1600 CDT ON MARCH 30.
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
MONDAY WILL FEATURE MILD TEMPERATURES, MARGINALLY GUSTY SSW WINDS,
AND GENERALLY GOOD BURNING CONDITIONS. MORNING TEMPERATURES IN THE
50S WILL WARM INTO THE 60S BY LATE MORNING AND MAX OUT IN THE
MIDDLE 60S DURING THE AFTERNOON. AFTERNOON DEWPOINTS IN THE LOWER
50S WILL YIELD MINIMUM RH VALUES BETWEEN 50 AND 60%. EXPECT SSW
WINDS AT 5 TO 10 MPH DURING THE MORNING, INCREASING TO 10 TO 15
MPH GUSTING TO 20, OCCASIONALLY AS HIGH AS 25 MPH DURING THE
AFTERNOON. WINDS WILL SUBSIDE SOME FOR THE LATE AFTERNOON BEFORE
INCREASING AGAIN AFTER MID-EVENING AS A STORM SYSTEM WORKS INTO
THE REGION. TEMPERATURES WILL REMAIN IN THE LOW TO MIDDLE 60S
INTO THE NIGHT. A LOW CHANCE FOR A FEW ISOLATED THUNDERSTORMS
EXISTS LATE MONDAY NIGHT.
MONDAY
SKY/WEATHER.........PARTLY CLOUDY.
TEMPERATURE.........64 AT IGNITION...MAX 69.
RH..................63 PERCENT AT IGNITION...MIN 56 PERCENT.
WIND (20 FT)........WINDS SOUTH AT 13 MPH AT IGNITION...OTHERWISE
SOUTH WINDS 10 TO 12 MPH.
CHANCE OF PCPN......10 PERCENT.
TRANSPORT WINDS.....SOUTH AROUND 17 MPH.
MIXING HEIGHT.......2500 FT AGL AT IGNITION...OTHERWISE 2800 FT
AGL.
SMOKE DISPERSAL.....GOOD /37500 KNOT-FT/ AT IGNITION. MAX...GOOD
/41800 KNOT-FT/.
TIME (CDT) 4PM 5PM
SKY (%).........48 42
WEATHER COV.....
WEATHER TYPE....
TEMP............64 64
RH..............63 64
20 FT WIND DIR..200 200
20 FT WIND SPD..13 12
20 FT WIND GUST.20 20
MIX HGT (KFT)...2.5 2.8
TRANSP WIND DIR.200 200
TRANSP WIND SPD.17 17
CHC OF PCPN (%).10 10
VRATE KT-FT/1K..38 42
MONDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
SLIGHT CHANCE OF SHOWERS OVERNIGHT. SLIGHT
CHANCE OF THUNDERSTORMS OVERNIGHT. CHANCE OF
SHOWERS AFTER 3 AM.
TEMPERATURE.........MIN 62.
RH..................MAX 75 PERCENT.
WIND (20 FT)........SOUTH WINDS 9 TO 12 MPH SHIFTING TO THE
SOUTHWEST 13 TO 15 MPH LATE IN THE EVENING.
GUSTY AND ERRATIC WINDS EXPECTED NEAR
THUNDERSTORMS OVERNIGHT.
CHANCE OF PCPN......30 PERCENT.
TRANSPORT WINDS.....SOUTH 17 TO 22 MPH SHIFTING TO THE SOUTHWEST 23
TO 26 MPH LATE IN THE EVENING.
MIXING HEIGHT.......800 FT AGL.
SMOKE DISPERSAL.....GOOD (33200 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (11600 KNOT-FT) LATE IN THE
NIGHT.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........42 42 49 55 63 68 74 80 81 83 85 85
WEATHER COV..... SCH SCH SCH CHC CHC
WEATHER TYPE.... RW RW RW RW RW
TEMP............63 64 64 64 65 65 65 65 64 64 63 63
RH..............68 68 67 70 71 71 71 72 73 74 74 75
20 FT WIND DIR..200 190 190 190 190 200 200 200 200 210 210 210
20 FT WIND SPD..12 10 12 13 13 14 15 16 16 17 17 17
20 FT WIND GUST.17 15 17 20 21 22 23 24 25 25 25 25
MIX HGT (KFT)...1.3 0.8 0.9 0.9 0.9 1.0 1.1 1.0 0.9 1.2 1.4 1.4
TRANSP WIND DIR.200 190 190 190 190 200 200 200 200 210 210 210
TRANSP WIND SPD.18 17 20 21 22 23 24 24 26 26 26 26
CHC OF PCPN (%).10 10 10 10 10 10 10 20 20 20 30 30
VRATE KT-FT/1K..20 12 15 16 18 20 22 21 20 27 33 32
FORECASTER...DOOM
REQUESTED BY...MIKE BASCHEN
TYPE OF REQUEST...PRESCRIBED
.TAG 2608386.0/LOT
.DELDT 03/29/26
.FORMATTERVERSION 2.0.0
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