363
FNUS73 KLOT 301250
FWSLOT
SPOT FORECAST FOR PORTAGE LAKE FRONT RX...NPS
NATIONAL WEATHER SERVICE CHICAGO IL
750 AM CDT MON MAR 30 2026
FORECAST IS BASED ON IGNITION TIME OF 1200 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 LOWER 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.........60 AT IGNITION...MAX 74.
RH..................62 PERCENT AT IGNITION...MIN 41 PERCENT.
WIND (20 FT)........WINDS SOUTHWEST AT 14 MPH AT
IGNITION...OTHERWISE SOUTHWEST WINDS 13 TO 14
MPH.
CHANCE OF PCPN......0 PERCENT.
TRANSPORT WINDS.....SOUTHWEST 21 TO 24 MPH.
MIXING HEIGHT.......2100 FT AGL AT IGNITION...OTHERWISE 3500 FT
AGL.
SMOKE DISPERSAL.....GOOD /37800 KNOT-FT/ AT IGNITION.
MAX...EXCELLENT /72900 KNOT-FT/.
TIME (CDT) 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........52 43 40 41 38 47
WEATHER COV.....
WEATHER TYPE....
TEMP............60 63 67 71 74 72
RH..............62 57 50 44 41 45
20 FT WIND DIR..210 210 210 210 210 210
20 FT WIND SPD..14 14 14 15 15 14
20 FT WIND GUST.22 22 22 23 24 23
MIX HGT (KFT)...2.1 2.8 3.2 3.4 3.5 2.7
TRANSP WIND DIR.210 210 210 210 210 210
TRANSP WIND SPD.21 22 22 23 24 23
CHC OF PCPN (%).0 0 0 0 0 0
VRATE KT-FT/1K..38 53 60 67 73 54
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 58.
RH..................MAX 77 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.
TRANSPORT WINDS.....SOUTH 21 TO 26 MPH SHIFTING TO THE SOUTHWEST 26
TO 29 MPH OVERNIGHT.
MIXING HEIGHT.......800 FT AGL.
SMOKE DISPERSAL.....FAIR (14100 KNOT-FT).
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........48 47 43 55 65 67 68 70 68 70 73 77
WEATHER COV..... SCH SCH SCH CHC CHC
WEATHER TYPE.... RW RW RW RW RW
TEMP............68 65 63 63 62 62 61 61 60 59 59 59
RH..............52 60 64 67 70 70 71 72 75 76 77 76
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 17 18 20 20 18 18 18
20 FT WIND GUST.21 20 18 18 21 23 26 26 26 26 26 26
MIX HGT (KFT)...1.2 0.8 0.8 0.8 0.9 0.9 0.9 0.9 1.0 1.1 1.1 1.2
TRANSP WIND DIR.200 190 190 200 200 200 200 210 210 210 210 210
TRANSP WIND SPD.22 21 24 26 26 25 29 29 28 26 26 26
CHC OF PCPN (%).0 0 0 0 10 10 10 20 20 20 30 30
VRATE KT-FT/1K..23 14 17 19 20 20 23 22 23 26 26 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 18
TO 21 MPH IN THE AFTERNOON. GUSTY AND ERRATIC
WINDS EXPECTED NEAR THUNDERSTORMS EARLY IN THE
MORNING. GUSTY AND ERRATIC WINDS EXPECTED NEAR
THUNDERSTORMS LATE IN THE AFTERNOON.
CHANCE OF PCPN......60 PERCENT.
TRANSPORT WINDS.....SOUTHWEST 25 TO 30 MPH DECREASING TO AROUND 23
MPH LATE IN THE AFTERNOON.
MIXING HEIGHT.......2800 FT AGL.
SMOKE DISPERSAL.....FAIR (28000 KNOT-FT) EARLY IN THE MORNING
INCREASING TO EXCELLENT (73000 KNOT-FT) IN THE
AFTERNOON.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........76 80 79 75 72 69 71 76 77 76 76 79
WEATHER COV.....CHC SCH SCH SCH SCH SCH SCH LKY LKY
WEATHER TYPE....RW RW RW RW RW RW RW RW RW
TEMP............58 59 61 64 66 70 72 73 75 76 75 73
RH..............76 73 72 70 66 57 53 51 48 46 47 51
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 22 22 20
20 FT WIND GUST.26 29 30 31 32 32 33 33 33 33 32 30
MIX HGT (KFT)...1.2 1.2 1.3 1.5 1.7 2.1 2.4 2.5 2.8 2.8 2.8 2.1
TRANSP WIND DIR.210 210 210 210 210 210 220 220 230 230 230 240
TRANSP WIND SPD.26 26 26 26 28 30 29 30 30 28 25 23
CHC OF PCPN (%).30 20 20 20 10 10 10 20 20 20 60 60
VRATE KT-FT/1K..28 28 29 35 41 54 62 67 73 68 60 42
FORECASTER...CMS
REQUESTED BY...ERIC ANDERSON
TYPE OF REQUEST...PRESCRIBED
.TAG 2608513.0/LOT
.DELDT 03/30/26
.FORMATTERVERSION 2.0.0
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