104
FNUS73 KLOT 301244
FWSLOT
SPOT FORECAST FOR COWLES RX...NPS
NATIONAL WEATHER SERVICE CHICAGO IL
744 AM CDT MON MAR 30 2026
FORECAST IS BASED ON IGNITION TIME OF 0800 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
WARM, DRY AND BREEZY CONDITIONS ARE EXPECTED TODAY
WITH HIGH TEMPERATURES IN THE MID 70S AND MINIMUM RELATIVE HUMIDITY
LEVELS IN THE MID 40 PERCENT RANGE. SOUTHWEST WINDS WILL GUST INTO
THE MID 20 MPH RANGE. A LAKE BREEZE IS NOT EXPECTED TODAY.
THERE WILL BE INCREASING CHANCES FOR SHOWERS AND A FEW THUNDERSTORMS
LATE TONIGHT THROUGH TUESDAY EVENING, WHEN A COLD FRONT WILL MOVE
ACROSS THE AREA. PERIODS OF SHOWERS AND POSSIBLE THUNDERSTORMS ARE
EXPECTED THURSDAY THROUGH SATURDAY.
REST OF TODAY
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
TEMPERATURE.........52 AT IGNITION...MAX 74.
RH..................59 PERCENT AT IGNITION...MIN 43 PERCENT.
WIND (20 FT)........WINDS SOUTH AT 12 MPH AT IGNITION...OTHERWISE
SOUTHWEST WINDS 10 TO 13 MPH INCREASING TO 13
TO 14 MPH LATE IN THE AFTERNOON.
CHANCE OF PCPN......0 PERCENT.
MIXING HEIGHT.......700 FT AGL AT IGNITION...OTHERWISE 4300 FT AGL.
SMOKE DISPERSAL.....POOR /11600 KNOT-FT/ AT IGNITION.
MAX...EXCELLENT /93200 KNOT-FT/.
TIME (CDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........83 77 72 63 54 45 41 42 39 47
WEATHER COV.....
WEATHER TYPE....
TEMP............52 54 55 59 62 65 68 72 74 72
RH..............59 63 67 63 60 55 49 45 43 45
20 FT WIND DIR..200 200 200 210 210 210 210 210 210 210
20 FT WIND SPD..12 12 13 13 14 14 14 15 15 15
20 FT WIND GUST.17 18 20 22 22 22 23 24 25 24
MIX HGT (KFT)...0.7 0.9 0.9 1.6 2.4 3.2 3.8 4.1 4.3 3.6
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0
VRATE KT-FT/1K..12 14 15 29 47 65 74 85 93 75
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
OVERNIGHT. CHANCE OF SHOWERS AND THUNDERSTORMS
AFTER 3 AM.
TEMPERATURE.........MIN 59.
RH..................MAX 76 PERCENT.
WIND (20 FT)........SOUTH WINDS 12 TO 15 MPH SHIFTING TO THE
SOUTHWEST 16 TO 17 MPH OVERNIGHT. GUSTY AND
ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS
OVERNIGHT.
CHANCE OF PCPN......30 PERCENT.
MIXING HEIGHT.......800 FT AGL.
SMOKE DISPERSAL.....FAIR (15600 KNOT-FT).
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........47 47 44 55 64 67 67 70 69 70 74 77
WEATHER COV..... SCH SCH SCH CHC CHC
WEATHER TYPE.... RW RW RW RW RW
TEMP............69 66 64 64 63 63 62 62 61 60 60 59
RH..............51 59 64 66 70 70 71 72 73 75 75 75
20 FT WIND DIR..200 190 190 200 200 200 200 210 210 210 210 210
20 FT WIND SPD..13 13 13 14 15 16 18 20 20 18 18 18
20 FT WIND GUST.22 20 18 18 21 23 26 28 28 26 26 26
MIX HGT (KFT)...1.3 0.8 0.8 0.9 0.9 0.9 0.9 0.8 1.0 1.1 1.1 1.2
CHC OF PCPN (%).0 0 0 0 10 10 10 20 20 20 30 30
VRATE KT-FT/1K..25 16 18 20 21 21 22 22 24 27 25 29
TUESDAY
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS IN THE
MORNING. CHANCE OF THUNDERSTORMS THROUGH THE
DAY. RAIN SHOWERS LIKELY IN THE AFTERNOON.
TEMPERATURE.........MAX 76.
RH..................MIN 46 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 17 TO 20 MPH INCREASING TO 21
TO 22 MPH IN THE AFTERNOON, THEN DECREASING TO
AROUND 18 MPH LATE IN THE AFTERNOON. GUSTS UP
TO 35 MPH. GUSTY AND ERRATIC WINDS EXPECTED
NEAR THUNDERSTORMS EARLY IN THE MORNING. GUSTY
AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS
EARLY IN THE MORNING, THEN GUSTY AND ERRATIC
WINDS EXPECTED NEAR THUNDERSTORMS LATE IN THE
AFTERNOON.
CHANCE OF PCPN......60 PERCENT.
MIXING HEIGHT.......3300 FT AGL.
SMOKE DISPERSAL.....FAIR (27600 KNOT-FT) EARLY IN THE MORNING
INCREASING TO EXCELLENT (94100 KNOT-FT) IN THE
AFTERNOON.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........75 80 79 75 72 70 72 76 77 76 76 79
WEATHER COV.....CHC CHC CHC CHC SCH SCH SCH LKY LKY
WEATHER TYPE....RW RW RW RW RW RW RW RW RW
TEMP............59 60 62 64 66 70 73 74 75 76 76 73
RH..............76 73 72 69 66 58 53 50 48 46 47 52
20 FT WIND DIR..210 210 210 210 210 210 220 220 230 230 230 240
20 FT WIND SPD..18 18 20 20 21 22 23 23 23 23 22 20
20 FT WIND GUST.26 29 30 31 32 33 35 35 35 35 33 31
MIX HGT (KFT)...1.2 1.2 1.3 1.7 2.0 2.5 2.9 3.0 3.3 3.3 3.2 2.4
CHC OF PCPN (%).30 30 30 30 10 10 10 20 20 20 60 60
VRATE KT-FT/1K..28 28 30 40 50 67 80 87 94 85 74 49
FORECASTER...CMS
REQUESTED BY...MIKE BASCHEN
TYPE OF REQUEST...PRESCRIBED
.TAG 2608509.0/LOT
.DELDT 03/30/26
.FORMATTERVERSION 2.0.0
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